CN104254092A - Interference detection method and system, and apparatuses - Google Patents

Interference detection method and system, and apparatuses Download PDF

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Publication number
CN104254092A
CN104254092A CN201310259677.2A CN201310259677A CN104254092A CN 104254092 A CN104254092 A CN 104254092A CN 201310259677 A CN201310259677 A CN 201310259677A CN 104254092 A CN104254092 A CN 104254092A
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China
Prior art keywords
base station
information
random access
subscriber equipment
interference detection
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CN201310259677.2A
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CN104254092B (en
Inventor
常俊仁
曾清海
黄曲芳
张健
冯淑兰
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Haining huangwan town Asset Management Co., Ltd
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Huawei Technologies Co Ltd
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Abstract

The embodiment of the invention provides an interference detection method and system, and apparatuses. The interference detection method comprises: a marco eNB sends specified signaling to user equipment so as to trigger the user equipment to send a specified random access preamble, wherein the specified signaling contains an identifier of the specified random access preamble and physical random access channel (PRACH) resource indication information for sending the specified random access preamble; the marco eNB receives a feedback message sent by a small base station, wherein the feedback message contains interference detection information obtained by the small base station by detecting the specified random access preamble sent by the user equipment; and the marco eNB sends a random access response message or a random access stop message to the user equipment, so that the user equipment can receive the random access response message or the random access stop message in an expanded random access response window and/or after expanded access response monitoring delay time.

Description

Interference detection method, device and system
Technical field
The embodiment of the present invention relates to the communication technology, particularly relates to a kind of interference detection method, device and system.
Background technology
In mobile communication system, there are two kinds of network base stations, be respectively macro base station (Marco eNB) and the such as small base station such as micro-base station (Pico eNB), Home eNodeB (Home eNB), relay base station (Relay), wherein macro base station coverage is larger, small base station coverage is less, multiple small base station may be there is in the coverage of a macro base station, subscriber equipment can be in the coverage of macro base station and small base station simultaneously, and the maximum system capacity that such system can obtain is the capacity sum of macro base station and small base station.
When macro base station and small base station have an identical carrier wave at least, when the subscriber equipment in macro base station and the common coverage of small base station uses this carrier wave to macro base station transmission data, just interference may be caused to this small base station.Whether the carrier wave used to detect subscriber equipment at present can cause interference to small base station, Stochastic accessing (Random Access is carried out at subscriber equipment and macro base station, RA) when process, the random access guiding (Random Access Preamble) that small base station sends subscriber equipment detects, determine the subscriber equipment that may cause interference to this small base station by the signal quality of this random access guiding, and testing result is notified macro base station.
But in current RA process, the interference detection results that macro base station receives small base station transmission needs the regular hour, in the process, subscriber equipment may repeatedly repeat to send random access guiding, causes system resource waste, and increases the load of subscriber equipment.
Summary of the invention
The embodiment of the present invention provides a kind of interference detection method, device and system, for saving system resource, subtracts load and the power consumption of subscriber equipment.
First aspect provides a kind of interference detection method, comprising:
Macro base station sends dedicated signaling to subscriber equipment, send special random access preamble to trigger described subscriber equipment, described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Described macro base station receives the feedback message that small base station sends, and described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment;
Described macro base station stops message to described subscriber equipment transmission accidental access response message or Stochastic accessing, receives described accidental access response message or described Stochastic accessing stopping message with the accidental access response making described subscriber equipment in the accidental access response window of expansion and/or to expand after monitoring lag time.
In the first possible implementation of first aspect, described method also comprises:
Described macro base station sends Stochastic accessing to described small base station and triggers Indication message, to notify that described small base station detects the special random access preamble of described subscriber equipment transmission.
In conjunction with first aspect or the first possible implementation of first aspect, in the implementation that the second is possible, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble, does not apply the information in described accidental access response message to make described subscriber equipment after receiving described accidental access response message;
Information in described accidental access response message, comprising:
Timing advance order, at least one in the resource up and down of power control command, scheduling.
In conjunction with any one possible implementation in first aspect to the possible implementation of first aspect the second, in the implementation that the third is possible, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
In conjunction with any one possible implementation in first aspect to the third possible implementation of first aspect, in the 4th kind of possible implementation, described macro base station sends dedicated signaling to subscriber equipment, before triggering described subscriber equipment transmission special random access preamble, also comprises:
Described macro base station receives the special random access preamble of described small base station transmission and the assignment information of PRACH resource;
Described macro base station sends dedicated signaling to subscriber equipment, sends special random access preamble, comprising to trigger described subscriber equipment:
Described macro base station sends dedicated signaling to subscriber equipment, sends described special random access preamble to trigger described subscriber equipment, and described dedicated signaling comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource;
Or described macro base station sends radio resource control information to described subscriber equipment, described radio resource control information comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource; Described macro base station sends media interviews to described subscriber equipment and controls MAC Control Element information or Physical Downlink Control Channel information, and the described PRACH resource using described small base station to distribute to trigger described subscriber equipment sends the described special random access preamble that described small base station distributes.
Second aspect provides a kind of interference detection method, comprising:
Small base station detects the special random access preamble of subscriber equipment transmission to obtain Interference Detection information, described special random access preamble is that macro base station triggers the transmission of described subscriber equipment to described subscriber equipment transmission dedicated signaling, and described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Described small base station sends the feedback message comprising described Interference Detection information to described macro base station, send accidental access response message to make described macro base station to described subscriber equipment or Stochastic accessing stops message, and make described subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor lag time after receive described accidental access response message or described Stochastic accessing stops message.
In the first possible implementation of second aspect, described small base station detects special random access preamble that subscriber equipment sends with before obtaining Interference Detection information, also comprises:
Described small base station receives the Stochastic accessing triggering Indication message that described macro base station sends;
Described small base station sends Stochastic accessing triggered response message, to start to detect described special random access preamble to described macro base station.
In conjunction with second aspect or the first possible implementation of second aspect, in the implementation that the second is possible, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
In conjunction with any one possible implementation in second aspect to the possible implementation of second aspect the second, in the implementation that the third is possible, described small base station detects special random access preamble that subscriber equipment sends with before obtaining Interference Detection information; Also comprise:
Described small base station sends the assignment information of special random access preamble and PRACH resource to described macro base station.
The third aspect provides a kind of interference detection method, comprising:
Subscriber equipment receives the dedicated signaling that macro base station sends, and described dedicated signaling comprises the mark of special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Described subscriber equipment uses described PRACH resource to send described special random access preamble;
Described subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor and to receive accidental access response message that described macro base station sends after lag time or described Stochastic accessing stops message.
In the first possible implementation of the third aspect, described method also comprises:
If described subscriber equipment in the accidental access response window of described expansion and/or the accidental access response of described expansion monitor and not receive accidental access response message that described macro base station sends after lag time or described Stochastic accessing stops message, then described subscriber equipment resends described special random access preamble.
In conjunction with the third aspect or the first possible implementation of the third aspect, in the implementation that the second is possible, also comprise:
Described subscriber equipment uses the through-put power of the last Physical Uplink Shared Channel or physical uplink control information to send described special random access preamble; Or,
The power that described subscriber equipment uses described macro base station to specify sends described special random access preamble.
In conjunction with any one possible implementation in the third aspect to the possible implementation of third aspect the second, in the implementation that the third is possible, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble;
Information in described accidental access response message comprises:
Timing advance order, at least one in the resource up and down of power control command, scheduling;
Described method, also comprises:
The information in described accidental access response message do not applied by described subscriber equipment after receiving described accidental access response message.
In conjunction with any one possible implementation in the third aspect to the third possible implementation of the third aspect, in the 4th kind of possible implementation, described subscriber equipment receives the dedicated signaling that macro base station sends, and comprising:
Described subscriber equipment receives the dedicated signaling that described macro base station sends, described dedicated signaling sends described special random access preamble for triggering described subscriber equipment, and described dedicated signaling comprise that described small base station distributes described special random access preamble and the information of described PRACH resource;
Or described subscriber equipment receives the radio resource control information that described macro base station sends, described radio resource control information comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource; Described subscriber equipment receives MAC Control Element information or the Physical Downlink Control Channel information of the transmission of described macro base station, and described MAC Control Element information or Physical Downlink Control Channel information send described special random access preamble for triggering described subscriber equipment.
Fourth aspect provides a kind of interference detection method, comprising:
Macro base station sends dedicated signaling to subscriber equipment, send special random access preamble to trigger described subscriber equipment, described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Described macro base station sends pseudorandom access response message to described subscriber equipment, to make described subscriber equipment according to described pseudorandom access response message, described special random access preamble is retransmitted after Preset Time, described pseudorandom access response message comprises pseudo-special random access preamble, and the mark of described pseudo-special random access preamble is different from the mark of described special random access preamble;
Described macro base station receives the feedback message that small base station sends, and described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment;
Described macro base station sends accidental access response message to described subscriber equipment or Stochastic accessing stops message.
In the first possible implementation of fourth aspect, described macro base station sends pseudorandom access response message to described subscriber equipment, to make described subscriber equipment according to described pseudorandom access response message, after Preset Time, retransmit described special random access preamble, comprising:
Described macro base station sends the pseudorandom access response message comprising rollback value to described subscriber equipment, to make described subscriber equipment according to described pseudorandom access response message, described special random access preamble is retransmitted after the time that described rollback value is corresponding, or the described special random access preamble of re-transmission sometime before the time that described in Stochastic choice, rollback value is corresponding.
In conjunction with fourth aspect or the first possible implementation of fourth aspect, in the implementation that the second is possible, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble, does not apply the information in described accidental access response message to make described subscriber equipment after receiving described accidental access response message;
Information in described accidental access response message, comprising:
Timing advance order, at least one in the resource up and down of power control command, scheduling.
In conjunction with any one possible implementation in fourth aspect to the possible implementation of fourth aspect the second, in the implementation that the third is possible, described dedicated signaling comprises radio resource control information, MAC Control Element information or Physical Downlink Control Channel information;
Described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
5th aspect provides a kind of interference detection method, comprising:
Subscriber equipment receives the dedicated signaling that macro base station sends, and described dedicated signaling comprises the mark of special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Described subscriber equipment uses described PRACH resource to send described special random access preamble;
Described subscriber equipment receives the pseudorandom access response message that described macro base station sends, described pseudorandom access response message comprises pseudo-special random access preamble and described pseudorandom access response message comprises rollback value, and the mark of described pseudo-special random access preamble is different from the mark of described special random access preamble;
Described subscriber equipment, after the described rollback value time, retransmits described special random access preamble, or the described special random access preamble of re-transmission sometime before the time that described in Stochastic choice, rollback value is corresponding.
In the 5th in the first possible implementation, also comprise:
Described subscriber equipment uses the through-put power of the last Physical Uplink Shared Channel or physical uplink control information to send described special random access preamble;
Or the power that described subscriber equipment uses described macro base station to specify sends described special random access preamble.
In conjunction with the 5th aspect or the first possible implementation of the 5th aspect, in the implementation that the second is possible, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble;
Information in described accidental access response message comprises:
Timing advance order, at least one in the resource up and down of power control command, scheduling;
Described method, also comprises:
The information in described accidental access response message do not applied by described subscriber equipment after receiving described accidental access response message.
6th aspect provides a kind of interference detection method, comprising:
Macro base station sends dedicated signaling to subscriber equipment, send Interference Detection auxiliary signal to trigger described subscriber equipment, described dedicated signaling comprises the identification information of described Interference Detection auxiliary signal, sends the transmission times of running time-frequency resource configuration information that described Interference Detection auxiliary signal uses and described Interference Detection auxiliary signal;
Described macro base station receives the feedback message that small base station sends, and described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
In the 6th in the first possible implementation, described macro base station sends dedicated signaling to subscriber equipment, Interference Detection auxiliary signal is sent to trigger described subscriber equipment, described dedicated signaling comprise described Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal, comprise;
Described macro base station sends dedicated signaling to subscriber equipment, with trigger described subscriber equipment send special random access preamble, described dedicated signaling comprise described special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble;
Described macro base station receives the feedback message that small base station sends, and described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment, comprising:
Described macro base station receives the feedback message that described small base station sends, and described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment.
In conjunction with the first possible implementation of the 6th aspect, in the implementation that the second is possible, described method also comprises:
Described macro base station sends Stochastic accessing to described small base station and triggers Indication message, to notify that described small base station detects described special random access preamble.
In conjunction with the implementation that the 6th aspect the first or the second are possible, in the implementation that the third is possible, described dedicated signaling also comprises indication information, with the receiving course making described subscriber equipment not start accidental access response message;
Described indication information, comprising:
The triggering object of Stochastic accessing or the transmission times of described special random access preamble.
In conjunction with the 6th aspect the first to any one possible implementation in the third possible implementation, in the 4th kind of possible implementation, described dedicated signaling comprises radio resource control information, physical layer control unit information or Physical Downlink Control Channel information;
Described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
In the 6th in the 5th kind of possible implementation, described macro base station sends dedicated signaling to subscriber equipment, Interference Detection auxiliary signal is sent to trigger described subscriber equipment, described dedicated signaling comprise described Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal, comprise;
Described macro base station sends radio resource control information to subscriber equipment, send non-periodic channel detection reference signal SRS to trigger described subscriber equipment, described radio resource control information comprise described aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending SRS described aperiodic and described aperiodic SRS transmission times;
Described macro base station receives the feedback message that small base station sends, and described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment, comprising:
Described macro base station receives the feedback message that described small base station sends, and described feedback message comprises the Interference Detection information that aperiodic, SRS obtained that described small base station sends by detecting described subscriber equipment.
In conjunction with the possible implementation in the 5th kind, the 6th aspect, in the 6th kind of possible implementation, described macro base station sends radio resource control information to subscriber equipment, before triggering described subscriber equipment transmission SRS aperiodic, also comprises:
Described macro base station receives that described small base station sends described aperiodic SRS sequence or aperiodic SRS sequence numbering, described aperiodic SRS PRACH resource allocation information and described aperiodic SRS transmission times.
In conjunction with the 5th kind, the 6th aspect or the 6th kind of possible implementation, in the 7th kind of possible implementation, described Interference Detection information, comprising:
Described aperiodic SRS signal quality;
Or described aperiodic, whether SRS produced the information that there is interference;
Or described aperiodic, whether the running time-frequency resource of SRS produced the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
In conjunction with any one possible implementation in the possible implementation in the 5th kind to the 7th kind, the 6th aspect, in the 8th kind of possible implementation, described macro base station sends radio resource control information to subscriber equipment, sends SRS aperiodic, also comprise to trigger described subscriber equipment:
Described macro base station sends dedicated radio resources control message to described subscriber equipment, described dedicated radio resources control message comprises that described small base station distributes described aperiodic SRS sequence or aperiodic SRS sequence numbering and described aperiodic SRS running time-frequency resource configuration information; Described macro base station sends MAC Control Element information or Physical Downlink Control Channel information to described subscriber equipment, with trigger that described subscriber equipment uses described small base station to distribute described aperiodic SRS the running time-frequency resource SRS described aperiodic that sends that described small base station distributes, described MAC Control Element information or Physical Downlink Control Channel information comprise the transmission times of SRS described aperiodic.
7th aspect provides a kind of interference detection method, comprising:
Small base station detects the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information, to be described macro base station send dedicated signaling to described subscriber equipment to described Interference Detection auxiliary signal triggers that described subscriber equipment sends, described dedicated signaling comprise described Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal;
Described small base station sends the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
In the 7th in the first possible implementation, described small base station detects the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information, described Interference Detection auxiliary signal is that described macro base station triggers the transmission of described subscriber equipment to described subscriber equipment transmission dedicated signaling, described dedicated signaling comprise described Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal, comprise;
Described small base station detects the special random access preamble of described subscriber equipment transmission to obtain Interference Detection information, to be described macro base station send dedicated signaling to described subscriber equipment to described special random access preamble triggers that described subscriber equipment sends, described dedicated signaling comprise described special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble;
Described small base station sends the feedback message comprising described Interference Detection information to macro base station, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment, comprising:
Described small base station sends the feedback message comprising described Interference Detection information to macro base station, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment.
In conjunction with the first possible implementation of the 7th aspect, in the implementation that the second is possible, described method also comprises:
Described small base station receives the Stochastic accessing triggering Indication message that described macro base station sends, and described Stochastic accessing triggers Indication message and is used for notifying that described small base station detects described special random access preamble.
In conjunction with the implementation that the 7th aspect the first or the second are possible, in the implementation that the third is possible, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
In the 7th in the 4th kind of possible implementation, described small base station detects the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information, described Interference Detection auxiliary signal is that described macro base station triggers the transmission of described subscriber equipment to described subscriber equipment transmission dedicated signaling, described dedicated signaling comprise described Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal, comprise;
Described small base station detects the non-periodic channel detection reference signal SRS of described subscriber equipment transmission to obtain Interference Detection information, to be described macro base station send radio resource control information to described subscriber equipment to described non-periodic channel detection reference signal SRS triggers that described subscriber equipment sends, described radio resource control information comprise described aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending SRS described aperiodic and described aperiodic SRS transmission times;
Described small base station sends the feedback message comprising described Interference Detection information to macro base station, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment, comprising:
Described small base station sends the feedback message comprising described Interference Detection information to macro base station, described feedback message comprises the Interference Detection information that aperiodic, SRS obtained that described small base station sends by detecting described subscriber equipment.
In conjunction with the possible implementation in the 4th kind, the 7th aspect, in the 5th kind of possible implementation, described small base station detects the aperiodic that described subscriber equipment sends and believes that SRS is with before obtaining Interference Detection information, also comprises:
Described small base station to described macro base station send described aperiodic SRS sequence or aperiodic SRS sequence numbering, described aperiodic SRS PRACH resource allocation information and described aperiodic SRS transmission times.
In conjunction with the 4th kind, the 7th aspect or the 5th kind of possible implementation, in the 6th kind of possible implementation, described Interference Detection information, comprising:
Described aperiodic SRS signal quality;
Or described aperiodic, whether SRS produced the information that there is interference;
Or described aperiodic, whether the running time-frequency resource of SRS produced the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
Eighth aspect provides a kind of interference detection method, comprising:
Subscriber equipment receive macro base station send dedicated signaling, described dedicated signaling comprise Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal;
The running time-frequency resource that described subscriber equipment uses described transmission described Interference Detection auxiliary signal to use sends described Interference Detection auxiliary signal, to make the small base station receiving described Interference Detection auxiliary signal send feedback message to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal.
In the first possible implementation of eighth aspect, described subscriber equipment receives the dedicated signaling that described macro base station sends, described dedicated signaling comprise Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal, comprising:
Described subscriber equipment receive described macro base station send dedicated signaling, described dedicated signaling comprise special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble;
The running time-frequency resource that described subscriber equipment uses described transmission described Interference Detection auxiliary signal to use sends described Interference Detection auxiliary signal, feedback message is sent to described macro base station to make the described small base station receiving described Interference Detection auxiliary signal, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal, comprising:
Described subscriber equipment uses the PRACH resource of the described special random access preamble of described transmission to send described special random access preamble, to make the described small base station receiving described special random access preamble send feedback message to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described special random access preamble.
In conjunction with the first possible implementation of eighth aspect, in the implementation that the second is possible, described method also comprises:
Described subscriber equipment receives the described dedicated signaling that described macro base station resends;
Described subscriber equipment resends described special random access preamble.
In conjunction with the implementation that eighth aspect the first or the second are possible, in the implementation that the third is possible, described method also comprises:
Described subscriber equipment uses the through-put power of the last Physical Uplink Shared Channel or physical uplink control information to send described special random access preamble;
Or the power that described subscriber equipment uses described macro base station to specify sends described special random access preamble.
In conjunction with eighth aspect the first to any one possible implementation in the third possible implementation, in the 4th kind of possible implementation, described dedicated signaling also comprises indication information, with the receiving course making described subscriber equipment not start accidental access response message;
Described indication information, comprising:
The triggering object of Stochastic accessing or the transmission times of described special random access preamble.
In conjunction with eighth aspect the first to any one possible implementation in the 4th kind of possible implementation, in the 5th kind of possible implementation, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
In eighth aspect the 6th kind of possible implementation, described subscriber equipment receives the dedicated signaling that described macro base station sends, described dedicated signaling comprise Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal, comprising:
Described subscriber equipment receives the dedicated signaling that described macro base station sends, described dedicated signaling comprise aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending SRS described aperiodic and described aperiodic SRS transmission times;
The running time-frequency resource that described subscriber equipment uses described transmission described Interference Detection auxiliary signal to use sends described Interference Detection auxiliary signal, feedback message is sent to described macro base station to make the described small base station receiving described Interference Detection auxiliary signal, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal, comprising:
Described subscriber equipment uses the PRACH resource of described transmission SRS described aperiodic transmission SRS described aperiodic, send feedback message with the described small base station making to receive SRS described aperiodic to described macro base station, described feedback message comprises described small base station by the detection Interference Detection information that described aperiodic, SRS obtained.
In conjunction with eighth aspect the 6th kind of possible implementation, in the 7th kind of possible implementation, described method also comprises:
Described subscriber equipment receives the described radio resource control information that described macro base station resends;
Described subscriber equipment resends SRS described aperiodic.
In conjunction with eighth aspect the 6th kind or the 7th kind of possible implementation, in the 8th kind of possible implementation, described Interference Detection information, comprising:
Described aperiodic SRS signal quality;
Or described aperiodic, whether SRS produced the information that there is interference;
Or described aperiodic, whether the PRACH resource of SRS produced the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
9th aspect provides a kind of interference detection method, comprising:
Macro base station sends the identification information of Interference Detection auxiliary signal to small base station and sends the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses, and determines the required Interference Detection auxiliary signal of detection and the running time-frequency resource information of required detection to make described small base station;
Described macro base station receives the feedback message that small base station sends, and described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
In the 9th in the first possible implementation, described macro base station sends the identification information of Interference Detection auxiliary signal to small base station and sends the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses, to make described small base station determine the required Interference Detection auxiliary signal of detection and the running time-frequency resource information of required detection, comprising:
Described macro base station sends the root sequence information of special random access preamble to small base station and sends described random access guiding institute and use the configuration information of PRACH resource, determines the required special random access preamble of detection and the PRACH resource of required detection to make described small base station; Or described macro base station sends the sequence information of SRS to small base station and sends the configuration information of the running time-frequency resource that described SRS uses, and determines the required SRS of detection and the running time-frequency resource of required detection to make described small base station;
Described macro base station receives the feedback message that small base station sends, and described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment, comprising:
Described macro base station receives the feedback message that small base station sends, and described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment; Or described macro base station receives the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the SRS detecting the transmission of described subscriber equipment.
In conjunction with the first possible implementation of the 9th aspect, in the implementation that the second is possible, described Interference Detection information comprises:
The signal quality of described special random access preamble, or the signal quality of described SRS.
Tenth aspect provides a kind of interference detection method, comprising:
Small base station receives the identification information of the Interference Detection auxiliary signal that macro base station sends and sends the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses;
Described small base station determines the required Interference Detection auxiliary signal of detection and the running time-frequency resource of required detection;
Described small base station detects the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information;
Described small base station sends the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal.
In the tenth in the first possible implementation, described small base station receives the identification information of the Interference Detection auxiliary signal that macro base station sends and sends the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses, and comprising:
Described small base station receive the random access guiding that macro base station sends root sequence information and send described random access guiding use the configuration information of PRACH resource; Or described small base station receives the sequence information of the SRS that macro base station sends and sends the configuration information of the running time-frequency resource that described SRS uses;
Described small base station determines the required Interference Detection auxiliary signal of detection and the running time-frequency resource of required detection, comprising:
Described small base station determines the required random access guiding of detection and the PRACH resource of required detection; Or described small base station determines the required SRS of detection and the PRACH resource of required detection;
Described small base station detects the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information, comprising:
Described small base station detects the random access guiding of subscriber equipment transmission to obtain Interference Detection information; Or described small base station detects the SRS of subscriber equipment transmission to obtain Interference Detection information;
Described small base station sends the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal, comprising:
Described small base station sends the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described random access guiding; Or described small base station sends the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described SRS.
In conjunction with the first possible implementation of the tenth aspect, in the implementation that the second is possible, described Interference Detection information comprises:
The signal quality of described random access guiding, or the signal quality of described SRS.
In conjunction with the implementation that the tenth aspect the first or the second are possible, in the implementation that the third is possible, described small base station sends the feedback message comprising described Interference Detection information to described macro base station, comprising:
Described small base station periodically sends the signal quality of described random access guiding to described macro base station, or described small base station sends the random access guiding of signal quality higher than pre-determined threshold to described macro base station;
Or described small base station periodically sends the signal quality of described SRS to described macro base station, or described small base station sends the SRS of signal quality higher than pre-determined threshold to described macro base station.
11 aspect provides a kind of macro base station, comprising:
Signaling sending module, for sending dedicated signaling to subscriber equipment, send special random access preamble to trigger described subscriber equipment, described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Feedback message receiver module, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment;
Response message sending module, for stopping message to described subscriber equipment transmission accidental access response message or Stochastic accessing, after monitoring lag time with the accidental access response making described subscriber equipment in the accidental access response window of expansion and/or to expand, receive described accidental access response message or described Stochastic accessing stopping message.
In the 11 in the first possible implementation, described macro base station also comprises:
Triggering instruction sending module, triggering Indication message for sending Stochastic accessing to described small base station, to notify that described small base station detects the special random access preamble of described subscriber equipment transmission.
In conjunction with the 11 aspect or the first possible implementation of the 11 aspect, in the implementation that the second is possible, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble, does not apply the information in described accidental access response message to make described subscriber equipment after receiving described accidental access response message;
Information in described accidental access response message, comprising:
Timing advance order, at least one in the resource up and down of power control command, scheduling.
In conjunction with any one possible implementation in the 11 aspect to the possible implementation of the 11 aspect the second, in the implementation that the third is possible, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
In conjunction with any one possible implementation in the third possible implementation of the 11 aspect to the 11 aspect, in the 4th kind of possible implementation, described macro base station also comprises:
Asset information receipt module, for receiving the special random access preamble and the assignment information of PRACH resource that described small base station sends;
Described signaling sending module, specifically for sending dedicated signaling to subscriber equipment, send described special random access preamble to trigger described subscriber equipment, described dedicated signaling comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource; Or send radio resource control information to described subscriber equipment, described radio resource control information comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource; Send media interviews to described subscriber equipment and control MAC Control Element information or Physical Downlink Control Channel information, the described PRACH resource using described small base station to distribute to trigger described subscriber equipment sends the described special random access preamble that described small base station distributes.
12 aspect provides a kind of small base station, comprising:
Interference detection module, for detecting the special random access preamble of subscriber equipment transmission to obtain Interference Detection information, described special random access preamble is that macro base station triggers the transmission of described subscriber equipment to described subscriber equipment transmission dedicated signaling, and described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Feedback information sending module, for sending the feedback message comprising described Interference Detection information to described macro base station, send accidental access response message to make described macro base station to described subscriber equipment or Stochastic accessing stops message, and make described subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor lag time after receive described accidental access response message or described Stochastic accessing stops message.
In the 12 in the first possible implementation, described small base station also comprises:
Trigger instruction receiver module, the Stochastic accessing sent for receiving described macro base station triggers Indication message;
Trigger instruction respond module, for sending Stochastic accessing triggered response message, to start to detect described special random access preamble to described macro base station.
In conjunction with the 12 aspect or the first possible implementation of the 12 aspect, in the implementation that the second is possible, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
In conjunction with any one possible implementation in the 12 aspect to second aspect the 12 kind of possible implementation, in the implementation that the third is possible, described small base station also comprises:
Resource information sending module, for sending the assignment information of special random access preamble and PRACH resource to described macro base station.
13 aspect provides a kind of subscriber equipment, comprising:
Signaling receiver module, for receiving the dedicated signaling that macro base station sends, described dedicated signaling comprises the mark of special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Stochastic accessing sending module, sends described special random access preamble for using described PRACH resource;
Accidental access response receiver module, for described subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor and to receive accidental access response message that described macro base station sends after lag time or described Stochastic accessing stops message.
In the 13 in the first possible implementation, described Stochastic accessing sending module, if also for described subscriber equipment in the accidental access response window of described expansion and/or the accidental access response of described expansion monitor and not receive accidental access response message that described macro base station sends after lag time or described Stochastic accessing stops message, then resend described special random access preamble.
In conjunction with the 13 aspect or the first possible implementation of the 13 aspect, in the implementation that the second is possible, described Stochastic accessing sending module, sends described special random access preamble specifically for using the through-put power of the last Physical Uplink Shared Channel or physical uplink control information; Or the power using described macro base station to specify sends described special random access preamble.
In conjunction with any one possible implementation in the 13 aspect to the possible implementation of the 13 aspect the second, in the implementation that the third is possible, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble;
Information in described accidental access response message comprises:
Timing advance order, at least one in the resource up and down of power control command, scheduling;
Described accidental access response receiver module, also for not applying the information in described accidental access response message after receiving described accidental access response message.
In conjunction with any one possible implementation in the third possible implementation of the 13 aspect to the 13 aspect, in the 4th kind of possible implementation, described signaling receiver module, specifically for receiving the dedicated signaling that described macro base station sends, described dedicated signaling sends described special random access preamble for triggering described subscriber equipment, and described dedicated signaling comprise that described small base station distributes described special random access preamble and the information of described PRACH resource; Or receive the radio resource control information that described macro base station sends, described radio resource control information comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource; Receive MAC Control Element information or the Physical Downlink Control Channel information of the transmission of described macro base station, described MAC Control Element information or Physical Downlink Control Channel information send described special random access preamble for triggering described subscriber equipment.
Fourteenth aspect provides a kind of macro base station, comprising:
Signaling sending module, for sending dedicated signaling to subscriber equipment, send special random access preamble to trigger described subscriber equipment, described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Response message sending module, for sending pseudorandom access response message to described subscriber equipment, to make described subscriber equipment according to described pseudorandom access response message, described special random access preamble is retransmitted after Preset Time, described pseudorandom access response message comprises pseudo-special random access preamble, and the mark of described pseudo-special random access preamble is different from the mark of described special random access preamble;
Feedback message receiver module, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment;
Response message sending module, also for sending accidental access response message or Stochastic accessing stopping message to described subscriber equipment.
In the first possible implementation of fourteenth aspect, described response message sending module, specifically for sending the pseudorandom access response message comprising rollback value to described subscriber equipment, to make described subscriber equipment according to described pseudorandom access response message, described special random access preamble is retransmitted after the time that described rollback value is corresponding, or the described special random access preamble of re-transmission sometime before the time that described in Stochastic choice, rollback value is corresponding.
In conjunction with fourteenth aspect or the first possible implementation of fourteenth aspect, in the implementation that the second is possible, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble, does not apply the information in described accidental access response message to make described subscriber equipment after receiving described accidental access response message;
Information in described accidental access response message, comprising:
Timing advance order, at least one in the resource up and down of power control command, scheduling.
In conjunction with any one possible implementation in fourteenth aspect to the possible implementation of fourteenth aspect the second, in the implementation that the third is possible, described dedicated signaling comprises radio resource control information, MAC Control Element information or Physical Downlink Control Channel information;
Described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
15 aspect provides a kind of subscriber equipment, comprising:
Signaling receiver module, for receiving the dedicated signaling that macro base station sends, described dedicated signaling comprises the mark of special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Stochastic accessing sending module, sends described special random access preamble for using described PRACH resource;
Accidental access response receiver module, for receiving the pseudorandom access response message that described macro base station sends, described pseudorandom access response message comprises pseudo-special random access preamble and described pseudorandom access response message comprises rollback value, and the mark of described pseudo-special random access preamble is different from the mark of described special random access preamble;
Stochastic accessing sending module, also for after the described rollback value time, retransmits described special random access preamble, or the described special random access preamble of re-transmission sometime before the time that described in Stochastic choice, rollback value is corresponding.
In the 15 in the first possible implementation, described Stochastic accessing sending module, sends described special random access preamble specifically for using the through-put power of the last Physical Uplink Shared Channel or physical uplink control information; Or the power using described macro base station to specify sends described special random access preamble.
In conjunction with the 15 aspect or the first possible implementation of the 15 aspect, in the implementation that the second is possible, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble;
Information in described accidental access response message comprises:
Timing advance order, at least one in the resource up and down of power control command, scheduling;
Described accidental access response receiver module, also for not applying the information in described accidental access response message after receiving described accidental access response message.
16 aspect provides a kind of macro base station, comprising:
Signaling sending module, for sending dedicated signaling to subscriber equipment, send Interference Detection auxiliary signal to trigger described subscriber equipment, described dedicated signaling comprises the identification information of described Interference Detection auxiliary signal, sends the transmission times of running time-frequency resource configuration information that described Interference Detection auxiliary signal uses and described Interference Detection auxiliary signal;
Feedback message receiver module, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
In the 16 in the first possible implementation, described signaling sending module, specifically for sending dedicated signaling to subscriber equipment, with trigger described subscriber equipment send special random access preamble, described dedicated signaling comprise described special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble;
Described feedback message receiver module, specifically for receiving the feedback message that described small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment.
In conjunction with the first possible implementation of the 16 aspect, in the implementation that the second is possible, described macro base station also comprises:
Triggering instruction sending module, triggering Indication message, to notify that described small base station detects described special random access preamble for sending Stochastic accessing to described small base station.
In conjunction with the implementation that the 16 aspect the first or the second are possible, in the implementation that the third is possible, described dedicated signaling also comprises indication information, with the receiving course making described subscriber equipment not start accidental access response message;
Described indication information, comprising:
The triggering object of Stochastic accessing or the transmission times of described special random access preamble.
In conjunction with the 16 aspect the first to any one possible implementation in the third possible implementation, in the 4th kind of possible implementation, described dedicated signaling comprises radio resource control information, physical layer control unit information or Physical Downlink Control Channel information;
Described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
In the 16 in the 5th kind of possible implementation, described signaling sending module, specifically for sending radio resource control information to subscriber equipment, send non-periodic channel detection reference signal SRS to trigger described subscriber equipment, described radio resource control information comprise described aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending SRS described aperiodic and described aperiodic SRS transmission times;
Described feedback message receiver module, specifically for receiving the feedback message that described small base station sends, described feedback message comprises the Interference Detection information that aperiodic, SRS obtained that described small base station sends by detecting described subscriber equipment.
In conjunction with the possible implementation in the 5th kind, the 16 aspect, in the 6th kind of possible implementation, described macro base station also comprises:
Asset information receipt module, for receive that described small base station sends described aperiodic SRS sequence or aperiodic SRS sequence numbering, described aperiodic SRS PRACH resource allocation information and described aperiodic SRS transmission times.
In conjunction with the 5th kind, the 16 aspect or the 6th kind of possible implementation, in the 7th kind of possible implementation, described Interference Detection information, comprising:
Described aperiodic SRS signal quality;
Or described aperiodic, whether SRS produced the information that there is interference;
Or described aperiodic, whether the running time-frequency resource of SRS produced the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
In conjunction with any one possible implementation in the possible implementation in the 5th kind to the 7th kind, the 16 aspect, in the 8th kind of possible implementation, described macro base station also comprises:
Resource information sending module, for sending dedicated radio resources control message to described subscriber equipment, described dedicated radio resources control message comprises that described small base station distributes described aperiodic SRS sequence or aperiodic SRS sequence numbering and described aperiodic SRS running time-frequency resource configuration information; Described macro base station sends MAC Control Element information or Physical Downlink Control Channel information to described subscriber equipment, with trigger that described subscriber equipment uses described small base station to distribute described aperiodic SRS the running time-frequency resource SRS described aperiodic that sends that described small base station distributes, described MAC Control Element information or Physical Downlink Control Channel information comprise the transmission times of SRS described aperiodic.
17 aspect provides a kind of small base station, comprising:
Interference detection module, for detecting the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information, to be described macro base station send dedicated signaling to described subscriber equipment to described Interference Detection auxiliary signal triggers that described subscriber equipment sends, described dedicated signaling comprise described Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal;
Feedback information sending module, for sending the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
In the 17 in the first possible implementation, described interference detection module, specifically for detecting the special random access preamble of described subscriber equipment transmission to obtain Interference Detection information, to be described macro base station send dedicated signaling to described subscriber equipment to described special random access preamble triggers that described subscriber equipment sends, described dedicated signaling comprise described special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble;
Described feedback information sending module, specifically for sending the feedback message comprising described Interference Detection information to macro base station, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment.
In conjunction with the first possible implementation of the 17 aspect, in the implementation that the second is possible, described small base station also comprises:
Trigger instruction receiver module, the Stochastic accessing sent for receiving described macro base station triggers Indication message, and described Stochastic accessing triggers Indication message and is used for notifying that described small base station detects described special random access preamble.
In conjunction with the implementation that the 17 aspect the first or the second are possible, in the implementation that the third is possible, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
In the 17 in the 4th kind of possible implementation, described interference detection module, specifically for detecting the non-periodic channel detection reference signal SRS of described subscriber equipment transmission to obtain Interference Detection information, described non-periodic channel detection reference signal SRS is that described macro base station triggers the transmission of described subscriber equipment to described subscriber equipment transmission radio resource control information, described radio resource control information comprise described aperiodic SRS sequence or aperiodic SRS sequence numbering, send SRS described aperiodic running time-frequency resource configuration information and described aperiodic SRS transmission times,
Described feedback information sending module, specifically for sending the feedback message comprising described Interference Detection information to macro base station, described feedback message comprises the Interference Detection information that aperiodic, SRS obtained that described small base station sends by detecting described subscriber equipment.
In conjunction with the possible implementation in the 4th kind, the 17 aspect, in the 5th kind of possible implementation, described small base station also comprises:
Resource information sending module, for send to described macro base station described aperiodic SRS sequence or aperiodic SRS sequence numbering, described aperiodic SRS PRACH resource allocation information and described aperiodic SRS transmission times.
In conjunction with the 4th kind, the 17 aspect or the 5th kind of possible implementation, in the 6th kind of possible implementation, described Interference Detection information, comprising:
Described aperiodic SRS signal quality;
Or described aperiodic, whether SRS produced the information that there is interference;
Or described aperiodic, whether the running time-frequency resource of SRS produced the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
18 aspect provides a kind of subscriber equipment, comprising:
Signaling receiver module, for receive macro base station send dedicated signaling, described dedicated signaling comprise Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal;
Auxiliary signal sending module, running time-frequency resource for using described transmission described Interference Detection auxiliary signal to use sends described Interference Detection auxiliary signal, to make the small base station receiving described Interference Detection auxiliary signal send feedback message to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal.
In the 18 in the first possible implementation, described signaling receiver module, specifically for receive described macro base station send dedicated signaling, described dedicated signaling comprise special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble;
Described auxiliary signal sending module, described special random access preamble is sent specifically for using the PRACH resource of the described special random access preamble of described transmission, to make the described small base station receiving described special random access preamble send feedback message to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described special random access preamble.
In conjunction with the first possible implementation of the 18 aspect, in the implementation that the second is possible, described signaling receiver module, also for receiving the described dedicated signaling that described macro base station resends;
Described auxiliary signal sending module, also for resending described special random access preamble.
In conjunction with the implementation that the 18 aspect the first or the second are possible, in the implementation that the third is possible, described auxiliary signal sending module, sends described special random access preamble specifically for using the through-put power of the last Physical Uplink Shared Channel or physical uplink control information; Or the power using described macro base station to specify sends described special random access preamble.
In conjunction with the 18 aspect the first to any one possible implementation in the third possible implementation, in the 4th kind of possible implementation, described dedicated signaling also comprises indication information, with the receiving course making described subscriber equipment not start accidental access response message;
Described indication information, comprising:
The triggering object of Stochastic accessing or the transmission times of described special random access preamble.
In conjunction with the 18 aspect the first to any one possible implementation in the 4th kind of possible implementation, in the 5th kind of possible implementation, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
In the 18 in the 6th kind of possible implementation, described signaling receiver module, specifically for receiving the dedicated signaling that described macro base station sends, described dedicated signaling comprise aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending SRS described aperiodic and described aperiodic SRS transmission times;
Described auxiliary signal sending module, specifically for using the PRACH resource of described transmission SRS described aperiodic transmission SRS described aperiodic, send feedback message with the described small base station making to receive SRS described aperiodic to described macro base station, described feedback message comprises described small base station by the detection Interference Detection information that described aperiodic, SRS obtained.
In conjunction with the possible implementation in the 6th kind, the 18 aspect, in the 7th kind of possible implementation, described signaling receiver module, also for receiving the described radio resource control information that described macro base station resends;
Described auxiliary signal sending module, also for resending SRS described aperiodic.
In conjunction with the 6th kind, the 18 aspect or the 7th kind of possible implementation, in the 8th kind of possible implementation, described Interference Detection information, comprising:
Described aperiodic SRS signal quality;
Or described aperiodic, whether SRS produced the information that there is interference;
Or described aperiodic, whether the PRACH resource of SRS produced the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
19 aspect provides a kind of macro base station, comprising:
Resource information sending module, for sending the identification information of Interference Detection auxiliary signal to small base station and sending the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses, determine the required Interference Detection auxiliary signal of detection and the running time-frequency resource information of required detection to make described small base station;
Feedback message receiver module, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
In the 19 in the first possible implementation, described resource information sending module, specifically for sending the root sequence information of special random access preamble to small base station and sending described random access guiding institute and use the configuration information of PRACH resource, determine the required special random access preamble of detection and the PRACH resource of required detection to make described small base station; Or send the sequence information of SRS to small base station and send the configuration information of the running time-frequency resource that described SRS uses, determining the required SRS of detection and the running time-frequency resource of required detection to make described small base station;
Described feedback message receiver module, specifically for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment; Or receive the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the SRS detecting the transmission of described subscriber equipment.
In conjunction with the first possible implementation of the 19 aspect, in the implementation that the second is possible, described Interference Detection information comprises:
The signal quality of described special random access preamble, or the signal quality of described SRS.
20 aspect provides a kind of small base station, comprising:
Asset information receipt module, for receiving the identification information of the Interference Detection auxiliary signal that macro base station sends and sending the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses;
Interference Detection determination module, for determining the required Interference Detection auxiliary signal of detection and the running time-frequency resource of required detection;
Interference detection module, for detecting the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information;
Feedback information sending module, for sending the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal.
In the 20 in the first possible implementation, described asset information receipt module, specifically for receive the random access guiding that macro base station sends root sequence information and send described random access guiding use the configuration information of PRACH resource; Or receive the sequence information of the SRS that macro base station sends and send the configuration information of the running time-frequency resource that described SRS uses;
Interference Detection determination module, specifically for determining the required random access guiding of detection and the PRACH resource of required detection; Or determine the required SRS of detection and the PRACH resource of required detection;
Described interference detection module, specifically for detecting the random access guiding of subscriber equipment transmission to obtain Interference Detection information; Or detect the SRS of subscriber equipment transmission to obtain Interference Detection information;
Described feedback information sending module, specifically for sending the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described random access guiding; Or send the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described SRS.
In conjunction with the first possible implementation of the 20 aspect, in the implementation that the second is possible, described Interference Detection information comprises:
The signal quality of described random access guiding, or the signal quality of described SRS.
In conjunction with the implementation that the 20 aspect the first or the second are possible, in the implementation that the third is possible, described feedback information sending module, specifically for periodically sending the signal quality of described random access guiding to described macro base station, or send the random access guiding of signal quality higher than pre-determined threshold to described macro base station; Or periodically send the signal quality of described SRS to described macro base station, or send the SRS of signal quality higher than pre-determined threshold to described macro base station.
21 aspect provides a kind of Interference Detection system, comprising:
Macro base station as described in any one possibility mode of the 11 aspect and the small base station as described in any one possible implementation of the 12 aspect;
Macro base station as described in any one possibility mode of the 16 aspect and the small base station as described in any one possible implementation of the 17 aspect;
Macro base station as described in any one possibility mode of the 19 aspect and the small base station as described in any one possible implementation of the 20 aspect.
22 aspect provides a kind of macro base station, comprising:
Transmitter, for sending dedicated signaling to subscriber equipment, send special random access preamble to trigger described subscriber equipment, described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Receiver, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment;
Described transmitter, also for stopping message to described subscriber equipment transmission accidental access response message or Stochastic accessing, after monitoring lag time with the accidental access response making described subscriber equipment in the accidental access response window of expansion and/or to expand, receive described accidental access response message or described Stochastic accessing stopping message.
In the 22 in the first possible implementation, described transmitter, also triggers Indication message for sending Stochastic accessing to described small base station, to notify that described small base station detects the special random access preamble of described subscriber equipment transmission.
In conjunction with the 22 aspect or the first possible implementation of the 22 aspect, in the implementation that the second is possible, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble, does not apply the information in described accidental access response message to make described subscriber equipment after receiving described accidental access response message;
Information in described accidental access response message, comprising:
Timing advance order, at least one in the resource up and down of power control command, scheduling.
In conjunction with any one possible implementation in the 22 aspect to the possible implementation of the 22 aspect the second, in the implementation that the third is possible, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
In conjunction with any one possible implementation in the third possible implementation of the 22 aspect to the 22 aspect, in the 4th kind of possible implementation, described receiver, also for receiving the special random access preamble and the assignment information of PRACH resource that described small base station sends;
Described transmitter, specifically for sending dedicated signaling to subscriber equipment, send described special random access preamble to trigger described subscriber equipment, described dedicated signaling comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource; Or send radio resource control information to described subscriber equipment, described radio resource control information comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource; Send media interviews to described subscriber equipment and control MAC Control Element information or Physical Downlink Control Channel information, the described PRACH resource using described small base station to distribute to trigger described subscriber equipment sends the described special random access preamble that described small base station distributes.
23 aspect provides a kind of small base station, comprising:
Processor, for detecting the special random access preamble of subscriber equipment transmission to obtain Interference Detection information, described special random access preamble is that macro base station triggers the transmission of described subscriber equipment to described subscriber equipment transmission dedicated signaling, and described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Transmitter, for sending the feedback message comprising the described Interference Detection information that processor obtains to described macro base station, send accidental access response message to make described macro base station to described subscriber equipment or Stochastic accessing stops message, and make described subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor lag time after receive described accidental access response message or described Stochastic accessing stops message.
In the 23 in the first possible implementation, described small base station also comprises:
Receiver, the Stochastic accessing sent for receiving described macro base station triggers Indication message;
Described transmitter, also for sending Stochastic accessing triggered response message, to start to detect described special random access preamble to described macro base station.
In conjunction with the 23 aspect or the first possible implementation of the 12 aspect, in the implementation that the second is possible, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
In conjunction with any one possible implementation in the 23 aspect to second aspect the 12 kind of possible implementation, in the implementation that the third is possible, described transmitter, also for sending the assignment information of special random access preamble and PRACH resource to described macro base station.
Twenty-fourth aspect provides a kind of subscriber equipment, comprising:
Receiver, for receiving the dedicated signaling that macro base station sends, described dedicated signaling comprises the mark of special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Transmitter, sends described special random access preamble for using described PRACH resource;
Described receiver, also in the accidental access response window of expansion and/or the accidental access response of expansion monitor and to receive accidental access response message that described macro base station sends after lag time or described Stochastic accessing stops message.
In the first possible implementation of twenty-fourth aspect, described transmitter, if also for described subscriber equipment in the accidental access response window of described expansion and/or the accidental access response of described expansion monitor and not receive accidental access response message that described macro base station sends after lag time or described Stochastic accessing stops message, then resend described special random access preamble.
In conjunction with twenty-fourth aspect or the first possible implementation of twenty-fourth aspect, in the implementation that the second is possible, described transmitter, sends described special random access preamble specifically for using the through-put power of the last Physical Uplink Shared Channel or physical uplink control information; Or the power using described macro base station to specify sends described special random access preamble.
In conjunction with any one possible implementation in twenty-fourth aspect to the possible implementation of twenty-fourth aspect the second, in the implementation that the third is possible, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble;
Information in described accidental access response message comprises:
Timing advance order, at least one in the resource up and down of power control command, scheduling;
Described receiver, also for not applying the information in described accidental access response message after receiving described accidental access response message.
In conjunction with any one possible implementation in twenty-fourth aspect to the third possible implementation of twenty-fourth aspect, in the 4th kind of possible implementation, described receiver, specifically for receiving the dedicated signaling that described macro base station sends, described dedicated signaling sends described special random access preamble for triggering described subscriber equipment, and described dedicated signaling comprise that described small base station distributes described special random access preamble and the information of described PRACH resource; Or receive the radio resource control information that described macro base station sends, described radio resource control information comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource; Receive MAC Control Element information or the Physical Downlink Control Channel information of the transmission of described macro base station, described MAC Control Element information or Physical Downlink Control Channel information send described special random access preamble for triggering described subscriber equipment.
25 aspect provides a kind of macro base station, comprising:
Transmitter, for sending dedicated signaling to subscriber equipment, send special random access preamble to trigger described subscriber equipment, described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble; Pseudorandom access response message is sent to described subscriber equipment, to make described subscriber equipment according to described pseudorandom access response message, described special random access preamble is retransmitted after Preset Time, described pseudorandom access response message comprises pseudo-special random access preamble, and the mark of described pseudo-special random access preamble is different from the mark of described special random access preamble;
Receiver, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment;
Described transmitter, also for sending accidental access response message or Stochastic accessing stopping message to described subscriber equipment.
In the 25 in the first possible implementation, described transmitter, specifically for sending the pseudorandom access response message comprising rollback value to described subscriber equipment, to make described subscriber equipment according to described pseudorandom access response message, described special random access preamble is retransmitted after the time that described rollback value is corresponding, or the described special random access preamble of re-transmission sometime before the time that described in Stochastic choice, rollback value is corresponding.
In conjunction with the 25 aspect or the first possible implementation of the 25 aspect, in the implementation that the second is possible, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble, does not apply the information in described accidental access response message to make described subscriber equipment after receiving described accidental access response message;
Information in described accidental access response message, comprising:
Timing advance order, at least one in the resource up and down of power control command, scheduling.
In conjunction with any one possible implementation in the 25 aspect to the possible implementation of the 25 aspect the second, in the implementation that the third is possible, described dedicated signaling comprises radio resource control information, MAC Control Element information or Physical Downlink Control Channel information;
Described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
26 aspect provides a kind of subscriber equipment, comprising:
Receiver, for receiving the dedicated signaling that macro base station sends, described dedicated signaling comprises the mark of special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Transmitter, sends described special random access preamble for using described PRACH resource;
Described receiver, also for receiving the pseudorandom access response message that described macro base station sends, described pseudorandom access response message comprises pseudo-special random access preamble and described pseudorandom access response message comprises rollback value, and the mark of described pseudo-special random access preamble is different from the mark of described special random access preamble;
Described transmitter, also for after the described rollback value time, retransmits described special random access preamble, or the described special random access preamble of re-transmission sometime before the time that described in Stochastic choice, rollback value is corresponding.
In the 26 in the first possible implementation, described transmitter, sends described special random access preamble specifically for using the through-put power of the last Physical Uplink Shared Channel or physical uplink control information; Or the power using described macro base station to specify sends described special random access preamble.
In conjunction with the 26 aspect or the first possible implementation of the 26 aspect, in the implementation that the second is possible, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble;
Information in described accidental access response message comprises:
Timing advance order, at least one in the resource up and down of power control command, scheduling;
Described receiver, also for not applying the information in described accidental access response message after receiving described accidental access response message.
27 aspect provides a kind of macro base station, comprising:
Transmitter, for sending dedicated signaling to subscriber equipment, send Interference Detection auxiliary signal to trigger described subscriber equipment, described dedicated signaling comprises the identification information of described Interference Detection auxiliary signal, sends the transmission times of running time-frequency resource configuration information that described Interference Detection auxiliary signal uses and described Interference Detection auxiliary signal;
Receiver, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
In the 27 in the first possible implementation, described transmitter, specifically for sending dedicated signaling to subscriber equipment, with trigger described subscriber equipment send special random access preamble, described dedicated signaling comprise described special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble;
Described receiver, specifically for receiving the feedback message that described small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment.
In conjunction with the first possible implementation of the 27 aspect, in the implementation that the second is possible, described transmitter, also triggers Indication message, to notify that described small base station detects described special random access preamble for sending Stochastic accessing to described small base station.
In conjunction with the implementation that the 27 aspect the first or the second are possible, in the implementation that the third is possible, described dedicated signaling also comprises indication information, with the receiving course making described subscriber equipment not start accidental access response message;
Described indication information, comprising:
The triggering object of Stochastic accessing or the transmission times of described special random access preamble.
In conjunction with the 27 aspect the first to any one possible implementation in the third possible implementation, in the 4th kind of possible implementation, described dedicated signaling comprises radio resource control information, physical layer control unit information or Physical Downlink Control Channel information;
Described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
In the 27 in the 5th kind of possible implementation, described transmitter, specifically for sending radio resource control information to subscriber equipment, send non-periodic channel detection reference signal SRS to trigger described subscriber equipment, described radio resource control information comprise described aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending SRS described aperiodic and described aperiodic SRS transmission times;
Described receiver, specifically for receiving the feedback message that described small base station sends, described feedback message comprises the Interference Detection information that aperiodic, SRS obtained that described small base station sends by detecting described subscriber equipment.
In conjunction with the possible implementation in the 5th kind, the 27 aspect, in the 6th kind of possible implementation, described receiver, also for receive that described small base station sends described aperiodic SRS sequence or aperiodic SRS sequence numbering, described aperiodic SRS PRACH resource allocation information and described aperiodic SRS transmission times.
In conjunction with the 5th kind, the 27 aspect or the 6th kind of possible implementation, in the 7th kind of possible implementation, described Interference Detection information, comprising:
Described aperiodic SRS signal quality;
Or described aperiodic, whether SRS produced the information that there is interference;
Or described aperiodic, whether the running time-frequency resource of SRS produced the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
In conjunction with any one possible implementation in the possible implementation in the 5th kind to the 7th kind, the 27 aspect, in the 8th kind of possible implementation, described transmitter, also for sending dedicated radio resources control message to described subscriber equipment, described dedicated radio resources control message comprises that described small base station distributes described aperiodic SRS sequence or aperiodic SRS sequence numbering and described aperiodic SRS running time-frequency resource configuration information; Described macro base station sends MAC Control Element information or Physical Downlink Control Channel information to described subscriber equipment, with trigger that described subscriber equipment uses described small base station to distribute described aperiodic SRS the running time-frequency resource SRS described aperiodic that sends that described small base station distributes, described MAC Control Element information or Physical Downlink Control Channel information comprise the transmission times of SRS described aperiodic.
Twenty-eighth aspect provides a kind of small base station, comprising:
Processor, for detecting the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information, to be described macro base station send dedicated signaling to described subscriber equipment to described Interference Detection auxiliary signal triggers that described subscriber equipment sends, described dedicated signaling comprise described Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal;
Transmitter, for sending the feedback message comprising the Interference Detection information that described processor obtains to described macro base station, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
In the first possible implementation of twenty-eighth aspect, described processor, specifically for detecting the special random access preamble of described subscriber equipment transmission to obtain Interference Detection information, to be described macro base station send dedicated signaling to described subscriber equipment to described special random access preamble triggers that described subscriber equipment sends, described dedicated signaling comprise described special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble;
Described transmitter, specifically for sending the feedback message comprising the Interference Detection information that described processor obtains to macro base station, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment.
In conjunction with the first possible implementation of twenty-eighth aspect, in the implementation that the second is possible, also comprise:
Receiver, the Stochastic accessing sent for receiving described macro base station triggers Indication message, and described Stochastic accessing triggers Indication message and is used for notifying that described small base station detects described special random access preamble.
In conjunction with the implementation that twenty-eighth aspect the first or the second are possible, in the implementation that the third is possible, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
In twenty-eighth aspect the 4th kind of possible implementation, described processor, specifically for detecting the non-periodic channel detection reference signal SRS of described subscriber equipment transmission to obtain Interference Detection information, described non-periodic channel detection reference signal SRS is that described macro base station triggers the transmission of described subscriber equipment to described subscriber equipment transmission radio resource control information, described radio resource control information comprise described aperiodic SRS sequence or aperiodic SRS sequence numbering, send SRS described aperiodic running time-frequency resource configuration information and described aperiodic SRS transmission times,
Described transmitter, specifically for sending the feedback message comprising described Interference Detection information to macro base station, described feedback message comprises the Interference Detection information that aperiodic, SRS obtained that described small base station sends by detecting described subscriber equipment.
In conjunction with twenty-eighth aspect the 4th kind of possible implementation, in the 5th kind of possible implementation, described transmitter, also for send to described macro base station described aperiodic SRS sequence or aperiodic SRS sequence numbering, described aperiodic SRS PRACH resource allocation information and described aperiodic SRS transmission times.
In conjunction with twenty-eighth aspect the 4th kind or the 5th kind of possible implementation, in the 6th kind of possible implementation, described Interference Detection information, comprising:
Described aperiodic SRS signal quality;
Or described aperiodic, whether SRS produced the information that there is interference;
Or described aperiodic, whether the running time-frequency resource of SRS produced the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
29 aspect provides a kind of subscriber equipment, comprising:
Receiver, for receive macro base station send dedicated signaling, described dedicated signaling comprise Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal;
Transmitter, running time-frequency resource for using described transmission described Interference Detection auxiliary signal to use sends described Interference Detection auxiliary signal, to make the small base station receiving described Interference Detection auxiliary signal send feedback message to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal.
In the 29 in the first possible implementation, described receiver, specifically for receive described macro base station send dedicated signaling, described dedicated signaling comprise special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble;
Described transmitter, described special random access preamble is sent specifically for using the PRACH resource of the described special random access preamble of described transmission, to make the described small base station receiving described special random access preamble send feedback message to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described special random access preamble.
In conjunction with the first possible implementation of the 29 aspect, in the implementation that the second is possible, described receiver, also for receiving the described dedicated signaling that described macro base station resends;
Described transmitter, also for resending described special random access preamble.
In conjunction with the implementation that the 29 aspect the first or the second are possible, in the implementation that the third is possible, described transmitter, sends described special random access preamble specifically for using the through-put power of the last Physical Uplink Shared Channel or physical uplink control information; Or the power using described macro base station to specify sends described special random access preamble.
In conjunction with the 29 aspect the first to any one possible implementation in the third possible implementation, in the 4th kind of possible implementation, described dedicated signaling also comprises indication information, with the receiving course making described subscriber equipment not start accidental access response message;
Described indication information, comprising:
The triggering object of Stochastic accessing or the transmission times of described special random access preamble.
In conjunction with the 29 aspect the first to any one possible implementation in the 4th kind of possible implementation, in the 5th kind of possible implementation, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
In the 29 in the 6th kind of possible implementation, described receiver, specifically for receiving the dedicated signaling that described macro base station sends, described dedicated signaling comprise aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending SRS described aperiodic and described aperiodic SRS transmission times;
Described transmitter, specifically for using the PRACH resource of described transmission SRS described aperiodic transmission SRS described aperiodic, send feedback message with the described small base station making to receive SRS described aperiodic to described macro base station, described feedback message comprises described small base station by the detection Interference Detection information that described aperiodic, SRS obtained.
In conjunction with the possible implementation in the 6th kind, the 29 aspect, in the 7th kind of possible implementation, described receiver, also for receiving the described radio resource control information that described macro base station resends;
Described transmitter, also for resending SRS described aperiodic.
In conjunction with the 6th kind, the 29 aspect or the 7th kind of possible implementation, in the 8th kind of possible implementation, described Interference Detection information, comprising:
Described aperiodic SRS signal quality;
Or described aperiodic, whether SRS produced the information that there is interference;
Or described aperiodic, whether the PRACH resource of SRS produced the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
30 aspect provides a kind of macro base station, it is characterized in that, comprising:
Transmitter, for sending the identification information of Interference Detection auxiliary signal to small base station and sending the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses, determine the required Interference Detection auxiliary signal of detection and the running time-frequency resource information of required detection to make described small base station;
Receiver, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
In the 30 in the first possible implementation, described transmitter, specifically for sending the root sequence information of special random access preamble to small base station and sending described random access guiding institute and use the configuration information of PRACH resource, determine the required special random access preamble of detection and the PRACH resource of required detection to make described small base station; Or send the sequence information of SRS to small base station and send the configuration information of the running time-frequency resource that described SRS uses, determining the required SRS of detection and the running time-frequency resource of required detection to make described small base station;
Described receiver, specifically for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment; Or receive the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the SRS detecting the transmission of described subscriber equipment.
In conjunction with the first possible implementation of the 30 aspect, in the implementation that the second is possible, described Interference Detection information comprises:
The signal quality of described special random access preamble, or the signal quality of described SRS.
31 aspect provides a kind of small base station, it is characterized in that, comprising:
Receiver, for receiving the identification information of the Interference Detection auxiliary signal that macro base station sends and sending the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses;
Processor, for determining the required Interference Detection auxiliary signal of detection and the running time-frequency resource of required detection; Detect the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information;
Transmitter, for sending the feedback message comprising the Interference Detection information that described processor obtains to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal.
In the 31 in the first possible implementation, described receiver, specifically for receive the random access guiding that macro base station sends root sequence information and send described random access guiding use the configuration information of PRACH resource; Or receive the sequence information of the SRS that macro base station sends and send the configuration information of the running time-frequency resource that described SRS uses;
Described processor, specifically for determining the required random access guiding of detection and the PRACH resource of required detection; Or determine the required SRS of detection and the PRACH resource of required detection; Detect the random access guiding of subscriber equipment transmission to obtain Interference Detection information; Or detect the SRS of subscriber equipment transmission to obtain Interference Detection information;
Described transmitter, specifically for sending the feedback message comprising the Interference Detection information that described processor obtains to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described random access guiding; Or send the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described SRS.
In conjunction with the first possible implementation of the 31 aspect, in the implementation that the second is possible, described Interference Detection information comprises:
The signal quality of described random access guiding, or the signal quality of described SRS.
In conjunction with the implementation that the 31 aspect the first or the second are possible, in the implementation that the third is possible, described transmitter, specifically for periodically sending the signal quality of described random access guiding to described macro base station, or send the random access guiding of signal quality higher than pre-determined threshold to described macro base station; Or periodically send the signal quality of described SRS to described macro base station, or send the SRS of signal quality higher than pre-determined threshold to described macro base station.
The interference detection method that the embodiment of the present invention provides, Apparatus and system, on the basis based on non-competing random access procedure, macro base station sends dedicated signaling to subscriber equipment, subscriber equipment is made to send special random access preamble, after macro base station receives the Interference Detection information of small base station feedback, accidental access response message or Stochastic accessing stopping message being sent to subscriber equipment, after monitoring lag time with the accidental access response making subscriber equipment in the accidental access response window of expansion and/or to expand, receiving random access response message or Stochastic accessing stop message, the re-transmission of random access guiding of subscriber equipment owing to not receiving Stochastic accessing corresponding message and carry out can be avoided, reduce the waste to system resource, reduce load and the power consumption of subscriber equipment.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the signaling process figure of prior art based on the random access procedure of competition;
Fig. 2 A and Fig. 2 B is the schematic diagram of accidental access response message;
Fig. 3 is the signaling process figure of prior art based on non-competing random access procedure;
The flow chart of the interference detection method embodiment one that Fig. 4 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment two that Fig. 5 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment three that Fig. 6 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment four that Fig. 7 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment five that Fig. 8 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment six that Fig. 9 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment seven that Figure 10 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment eight that Figure 11 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment nine that Figure 12 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment ten that Figure 13 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment 11 that Figure 14 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment 12 that Figure 15 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment 13 that Figure 16 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment 14 that Figure 17 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment 15 that Figure 18 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment 16 that Figure 19 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment 17 that Figure 20 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment 18 that Figure 21 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment 19 that Figure 22 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment 20 that Figure 23 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment 21 that Figure 24 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment 22 that Figure 25 provides for the embodiment of the present invention;
The flow chart of the interference detection method embodiment 23 that Figure 26 provides for the embodiment of the present invention;
The signaling process figure of the interference detection method embodiment 24 that Figure 27 provides for the embodiment of the present invention;
The signaling process figure of the interference detection method embodiment 25 that Figure 28 provides for the embodiment of the present invention;
The signaling process figure of the interference detection method embodiment 26 that Figure 29 provides for the embodiment of the present invention;
The signaling process figure of the interference detection method embodiment 27 that Figure 30 provides for the embodiment of the present invention;
The signaling process figure of the interference detection method embodiment 28 that Figure 31 provides for the embodiment of the present invention;
The signaling process figure of the interference detection method embodiment 29 that Figure 32 provides for the embodiment of the present invention;
The signaling process figure of the interference detection method embodiment 30 that Figure 33 provides for the embodiment of the present invention;
The structural representation of the macro base station embodiment one that Figure 34 provides for the embodiment of the present invention;
The structural representation of the macro base station embodiment two that Figure 35 provides for the embodiment of the present invention;
The structural representation of the macro base station embodiment three that Figure 36 provides for the embodiment of the present invention;
The structural representation of the small base station embodiment one that Figure 37 provides for the embodiment of the present invention;
The structural representation of the small base station embodiment two that Figure 38 provides for the embodiment of the present invention;
The structural representation of the small base station embodiment three that Figure 39 provides for the embodiment of the present invention;
The structural representation of the subscriber equipment embodiment one that Figure 40 provides for the embodiment of the present invention;
The structural representation of the macro base station embodiment four that Figure 41 provides for the embodiment of the present invention;
The structural representation of the subscriber equipment embodiment two that Figure 42 provides for the embodiment of the present invention;
The structural representation of the macro base station embodiment five that Figure 43 provides for the embodiment of the present invention;
The structural representation of the macro base station embodiment six that Figure 44 provides for the embodiment of the present invention;
The structural representation of the macro base station embodiment seven that Figure 45 provides for the embodiment of the present invention;
The structural representation of the macro base station embodiment eight that Figure 46 provides for the embodiment of the present invention;
The structural representation of the small base station embodiment four that Figure 47 provides for the embodiment of the present invention;
The structural representation of the small base station embodiment five that Figure 48 provides for the embodiment of the present invention;
The structural representation of the small base station embodiment six that Figure 49 provides for the embodiment of the present invention;
The structural representation of the subscriber equipment embodiment three that Figure 50 provides for the embodiment of the present invention;
The structural representation of the macro base station embodiment nine that Figure 51 provides for the embodiment of the present invention;
The structural representation of the small base station embodiment seven that Figure 52 provides for the embodiment of the present invention;
The structural representation of the Interference Detection system embodiment one that Figure 53 provides for the embodiment of the present invention;
The hardware configuration schematic diagram of the macro base station embodiment ten that Figure 54 provides for the embodiment of the present invention;
The hardware configuration schematic diagram of the small base station embodiment eight that Figure 55 provides for the embodiment of the present invention;
The hardware configuration schematic diagram of the subscriber equipment embodiment four that Figure 56 provides for the embodiment of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Existing third generation partner program (The3rd Generation Partnership Project, 3GPP) Long Term Evolution (Long Term Evolution, LTE) in system, there are two kinds of accidental access methods, be respectively based on the accidental access method of competition with based on non-competing accidental access method.
Fig. 1 is the signaling process figure of prior art based on the random access procedure of competition, as shown in Figure 1, comprising:
Step S101, subscriber equipment (User Equipment, UE) sends random access guiding to evolved base station (evolved NodeB, eNB) in Random Access Channel (Random Access Channel, RACH).There is provided altogether 64 selectable random access guidings in system, the random access guiding that UE selects also has implied that UE needs the size of the uplink information sent.
Step S102, UE is from the subframe of 3 after have sent random access guiding, at an accidental access response receiver window (Random Access Response Window) in the time, monitor Physical Downlink Control Channel (the Physical Downlink Control Channel of eNB, PDCCH) to obtain accidental access response (the Random Access Response that eNB issues, RAR) message, this message is by medium access control (Media Access Control, MAC) layer produce and at Physical Downlink Shared Channel (Physical Downlink Shared Channel, PDSCH) above send, concrete RAR content as shown in Figure 2 A and 2 B.
Fig. 2 A and Fig. 2 B is the schematic diagram of accidental access response message, wherein, what comprise in Timing Advance Commend field is timing advance (Timing Advance, the TA) value that the UE needs that calculate of eNB adjust when performing uplink information subsequently and sending.UL Grant field is expressed as the information that UE sends the bandwidth resources that uplink information distributes, also power control command is comprised in UL Grant field, power adjustment is carried out when performing the transmission of Physical Uplink Shared Channel (Physical Uplink Shared Channel, PUSCH) subsequently for UE.Temporary C-RNTI field is expressed as the interim indications that UE distributes.RAPID(Random Access Preamble ID in MAC Header) represent the identifier of the random access guiding that UE sends.
If the mark that UE does not receive the random access guiding that RAPID and the UE in the RAR message that RAR message or UE receive selects within the accidental access response window time is different, then UE can perform the re-transmission of random access guiding, namely re-executes step S101.Reach the maximum retransmission of systemic presupposition in the transmission times of random access guiding after, if the mark that UE does not still receive the random access guiding that RAPID and the UE in RAR message or the RAR message that receives selects is different, then random access procedure failure.
Step S103, if UE receives RAR message, then UE sends upstream message at Uplink Shared Channel (Uplink Shared Channel, UL-SCH).
Wherein, in step S102, if UE receives one and identifies different RAR message from the random access guiding that oneself is selected, the mark of the random access guiding that RAPID and the UE in the RAR message namely received sends is inconsistent, then UE is based on the backoff field in RAR message, performs the process resend of random access guiding after the time indicated in rollback backoff field again.
Fig. 3 is the signaling process figure of prior art based on non-competing random access procedure, as shown in Figure 3, comprising:
Step S301, eNB distributes a special random access guiding to UE, the special random access preamble that UE can use eNB to distribute carries out random access procedure, due to the random access guiding limited amount in system, compared with the random access procedure of competition, there is not competition between multiple UE and use the problem of random access guiding in therefore non-competing random access procedure.
Step S302, UE send the special random access preamble of eNB distribution on RACH to eNB.
After step S303, eNB receive the special random access preamble of UE transmission, send RAR message to UE, wherein the structure of RAR equally as shown in Figure 2.If UE receives the RAR message of eNB transmission within the accidental access response receiver window time and the mark of the random access guiding of RAPID and the UE transmission in this RAR message is identical, then random access procedure is successfully completed.If the mark that UE does not receive the random access guiding that RAPID and the UE in the RAR message of eNB or the RAR message of UE reception sends in accidental access response receiver window is different, then UE can perform the re-transmission of special random access preamble, namely step S202 is re-executed, after special random access preamble reaches maximum retransmission, if UE does not still receive RAR message, then random access procedure failure.
Step S304, if UE receives RAR message, then UE sends upstream message at Uplink Shared Channel.
In prior art, when there is macro base station and small base station in system simultaneously, in order to carry out Interference Detection to the UE of the carrier wave using macro base station and small base station to have, generally adopt based on non-competing accidental access method.Macro base station can trigger some UE of interference that may cause simultaneously in macro base station and small base station coverage and perform non-competing random access procedure on the serving cell, after the UE be triggered like this sends random access guiding on the serving cell, small base station detects the random access guiding that UE sends, and determines the potential UE causing interference according to the signal quality of the random access guiding detected.
But, in interference detection method based on non-competing random access procedure, the interference detection results that macro base station receives small base station transmission needs the regular hour, in the process, subscriber equipment may the re-transmission of multiple exercise random access guiding, cause system resource waste, and increase the load of subscriber equipment.
In order to solve the problem, embodiments provide a kind of interference detection method, it should be noted that, the interference detection method that the embodiment of the present invention provides is not limited to use in LTE system, the interference detection method that those skilled in the art can provide based on the embodiment of the present invention, uses same or similar ground method to carry out Interference Detection in other wireless communication systems.
The flow chart of the interference detection method embodiment one that Fig. 4 provides for the embodiment of the present invention, the executive agent of the present embodiment is macro base station side, and as shown in Figure 4, the method for the present embodiment comprises:
Step S401, macro base station sends dedicated signaling to subscriber equipment, special random access preamble is sent with activated user equipment, this dedicated signaling comprises the mark of this special random access preamble and sends Physical Random Access Channel (Physical Random Access Channel, the PRACH) resource indication information of this special random access preamble.
Particularly, the random access procedure based on non-competing in the method for this step and prior art is similar, is all special random access preambles that macro base station equipment for indicating user sends macro base station and distributes.First macro base station needs to determine the potential subscriber equipment that may cause interference to small base station, then send dedicated signaling to these subscriber equipmenies, this dedicated signaling comprises the mark of the special random access preamble that macro base station distributes for Interference Detection and sends the indication information of PRACH resource of this special random access preamble.After subscriber equipment receives the dedicated signaling of macro base station transmission, the PRACH resource that macro base station just can be used to indicate sends this special random access preamble.Macro base station can determine the potential subscriber equipment that may cause interference to small base station based on history schedule information or the resource location be disturbed.
Can also comprising in the dedicated signaling that macro base station sends that to send this special random access preamble for notifying user equipment be indication information for carrying out Interference Detection, after receiving to make subscriber equipment the accidental access response message that macro base station sends, not applying the information in this accidental access response message.Although the interference detection method that the present embodiment provides employs the method for random access procedure, subscriber equipment is made to have sent special random access preamble, but the method for the present embodiment is to carry out Interference Detection and non-access, therefore all right indication information in the dedicated signaling that macro base station sends, this Stochastic accessing of notifying user equipment carries out to carry out Interference Detection, make subscriber equipment after the Stochastic accessing corresponding message receiving macro base station transmission, do not apply information wherein, namely do not carry out Stochastic accessing.But interference detection method provided by the invention is not limited thereto, the object of Interference Detection can not also be comprised in the dedicated signaling that macro base station sends, make subscriber equipment can carry out random access procedure while carrying out Interference Detection.
Step S402, macro base station receives the feedback message that small base station sends, and this feedback message comprises the Interference Detection information that small base station is obtained by the special random access preamble detecting subscriber equipment transmission.
Particularly, after subscriber equipment sends special random access preamble, the small base station that may be subject to the interference of this subscriber equipment can receive this special random access preamble, this small base station can detect this special random access preamble, determines whether the subscriber equipment sending this special random access preamble can produce interference to this small base station.Macro base station can receive the feedback message that small base station sends, and this feedback message comprises the Interference Detection information that small base station is obtained by the special random access preamble detecting subscriber equipment transmission.
Step S403, macro base station stops message to subscriber equipment transmission accidental access response message or Stochastic accessing, receives this accidental access response message or this Stochastic accessing stopping message with the accidental access response making subscriber equipment in the accidental access response window of expansion and/or to expand after monitoring lag time.
Particularly, after macro base station receives the feedback message of small base station transmission, send accidental access response message or Stochastic accessing stopping message to subscriber equipment.Because subscriber equipment possibly cannot receive the accidental access response message of macro base station transmission within the existing accidental access response window time, and subscriber equipment is caused to carry out the re-transmission of random access guiding.Therefore, in the present embodiment, subscriber equipment receives accidental access response message or the Stochastic accessing stopping message of macro base station transmission in the random response window of expansion, or subscriber equipment receives accidental access response message or the Stochastic accessing stopping message of macro base station transmission after the accidental access response of expansion monitors lag time, or subscriber equipment receives accidental access response message or the Stochastic accessing stopping message of macro base station transmission after the accidental access response expanded monitors lag time and in the accidental access response window expanded.The accidental access response window of expansion is longer than the time interval of existing accidental access response window, and such subscriber equipment more may receive accidental access response message or the Stochastic accessing stopping message of macro base station transmission within the accidental access response window time of expansion; The accidental access response of expansion monitors lag time also than in existing random access procedure, subscriber equipment is to send after random access guiding 3 subframe time that 3 subframes start receiving random access response message long, and such subscriber equipment more may receive the accidental access response message or Stochastic accessing stopping message that macro base station sends after the accidental access response of expansion monitors lag time.Subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor and not receive accidental access response message that macro base station sends after lag time yet or Stochastic accessing stops message, then subscriber equipment carries out the re-transmission of random access guiding again.The accidental access response window of expansion accidental access response that is interior and/or expansion monitors lag time by macro base station notifying user equipment.
Macro base station can send accidental access response message to subscriber equipment or Stochastic accessing stops message, if macro base station needs subscriber equipment to proceed random access procedure, send accidental access response message, if macro base station determines that this random access procedure is only for Interference Detection, then send Stochastic accessing and stop message.After subscriber equipment receives accidental access response message, the information that can follow-up random access procedure carried out or not apply in accidental access response message; Subscriber equipment stops random access procedure after receiving Stochastic accessing stopping message.
The present embodiment, on the basis based on non-competing random access procedure, macro base station sends dedicated signaling to subscriber equipment, subscriber equipment is made to send special random access preamble, after macro base station receives the Interference Detection information of small base station feedback, accidental access response message or Stochastic accessing stopping message being sent to subscriber equipment, after monitoring lag time with the accidental access response making subscriber equipment in the accidental access response window of expansion and/or to expand, receiving random access response message or Stochastic accessing stop message, the re-transmission of random access guiding of subscriber equipment owing to not receiving Stochastic accessing corresponding message and carry out can be avoided, reduce the waste to system resource, reduce load and the power consumption of subscriber equipment.
Further, in embodiment illustrated in fig. 4, macro base station can send Stochastic accessing to small base station and trigger Indication message, this Stochastic accessing triggers in Indication message the PRACH resource that can comprise macro base station and be sent to the mark of the special random access preamble of subscriber equipment by dedicated signaling and send this special random access preamble, and small base station is detected the random access guiding that subscriber equipment sends in certain PRACH resource.
Further, in embodiment illustrated in fig. 4, also comprise in the dedicated signaling that macro base station sends to subscriber equipment: the accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of expansion, expansion monitors at least one in the transmitted power of lag time, special random access preamble, does not apply the information in this accidental access response message to make subscriber equipment after receiving accidental access response message.After subscriber equipment receives the dedicated signaling of macro base station transmission, know at least one that this dedicated signaling comprises in above-mentioned information, then subscriber equipment determines that this random access procedure is for Interference Detection, after subscriber equipment receives the accidental access response message of macro base station transmission, do not apply information wherein.Information in this accidental access response message, comprising: timing advance order, at least one in the resource up and down of power control command, scheduling.
Further, in embodiment illustrated in fig. 4, the Interference Detection information that the feedback information that the small base station that macro base station receives sends comprises, comprising: the signal quality of this special random access preamble; Or whether this special random access preamble produces the information that there is interference; Or whether this PRACH resource produces the information that there is interference; Or whether subscriber equipment produces the information of interference.Namely small base station can to macro base station feed back in above-mentioned information any one, determine to make macro base station whether the subscriber equipment sending special random access preamble produces interference to small base station.
Further, in embodiment illustrated in fig. 4, macro base station comprises wireless heterogeneous networks (Radio Resource Control to the dedicated signaling that subscriber equipment sends, RRC) message or medium education control unit (Media Access Control Control Element, MAC CE) information or Physical Downlink Control Channel information.
The flow chart of the interference detection method embodiment two that Fig. 5 provides for the embodiment of the present invention, the executive agent of the present embodiment is macro base station side, and as shown in Figure 5, the method for the present embodiment comprises:
Step S501, macro base station receives the special random access preamble of small base station transmission and the assignment information of PRACH resource.
Particularly, in embodiment illustrated in fig. 4, macro base station is the special random access preamble that user equipment allocation needs to send and the PRACH resource sending special random access preamble.In the present embodiment, be special random access preamble and the PRACH resource that small base station determines carrying out Interference Detection.Macro base station receives the special random access preamble of small base station transmission and the assignment information of PRACH resource, and small base station prepares in PRACH resource of its distribution, receive its random access guiding distributed.
Step S502, macro base station sends dedicated signaling to subscriber equipment, sends this special random access preamble with activated user equipment, and this dedicated signaling comprises the special random access preamble of small base station distribution and the information of PRACH resource.
Particularly, the Methods and steps S402 of this step is similar, its difference be only the special random access preamble that macro base station comprises to the dedicated signaling that subscriber equipment sends and PRACH resource be small base station distribution and mail to macro base station.
Step S503, macro base station receives the feedback message that small base station sends, and this feedback message comprises the Interference Detection information that small base station is obtained by the special random access preamble detecting subscriber equipment transmission.
Step S504, macro base station stops message to subscriber equipment transmission accidental access response message or Stochastic accessing, receives this accidental access response message or this Stochastic accessing stopping message with the accidental access response making subscriber equipment in the accidental access response window of expansion and/or to expand after monitoring lag time.
In the present embodiment, the special random access preamble that the dedicated signaling that macro base station sends to subscriber equipment comprises and the PRACH resource information that transmission special random access preamble uses are small base station distribution, like this, small base station can detect the random access guiding determined in the PRACH resource determined, and without the need to macro base station, small base station is indicated, the special leading random access guiding used with small base station at random that can to avoid due to macro base station be like this user equipment allocation clashes the insecure Interference Detection caused.
The flow chart of the interference detection method embodiment three that Fig. 6 provides for the embodiment of the present invention, the executive agent of the present embodiment is macro base station side, and as shown in Figure 6, the method for the present embodiment comprises:
Step S601, macro base station receives the special random access preamble of small base station transmission and the assignment information of PRACH resource.
Step S602, macro base station sends radio resource control information to subscriber equipment, and this radio resource control information comprises the special random access preamble of small base station distribution and the information of PRACH resource.
Particularly, after macro base station receives the special random access preamble of small base station transmission and the assignment information of PRACH resource, radio resource control messages is sent to subscriber equipment, this radio resource control information comprises the special random access preamble of small base station distribution and the information of PRACH resource, knows the special random access preamble that small base station distributes and PRACH resource to make subscriber equipment.
Step S603, macro base station sends MAC CE or PDCCH information to subscriber equipment, and the PRACH resource of distributing with activated user equipment use small base station sends the special random access preamble that small base station distributes.
Particularly, macro base station is by sending MAC CE or PDCCH information activated user equipment transmission special random access preamble to subscriber equipment, because subscriber equipment has obtained special random access preamble and the PRACH resource of required transmission, therefore, the PRACH resource that subscriber equipment can use small base station to distribute sends the special random access preamble that small base station distributes.
Step S604, macro base station receives the feedback message that small base station sends, and this feedback message comprises the Interference Detection information that small base station is obtained by the special random access preamble detecting subscriber equipment transmission.
Step S605, macro base station stops message to subscriber equipment transmission accidental access response message or Stochastic accessing, receives this accidental access response message or this Stochastic accessing stopping message with the accidental access response making subscriber equipment in the accidental access response window of expansion and/or to expand after monitoring lag time.
The present embodiment and difference embodiment illustrated in fig. 5 are, macro base station receives special random access preamble that small base station sends and after sending the PRACH resource information that uses of special random access preamble, first send it to the subscriber equipment needing to carry out Interference Detection, activated user equipment sends special random access preamble and carries out Interference Detection again, and the special leading random access guiding used with small base station at random that can to avoid due to macro base station be like this user equipment allocation clashes the insecure Interference Detection caused.
The flow chart of the interference detection method embodiment four that Fig. 7 provides for the embodiment of the present invention, the executive agent of the present embodiment is small base station side, and as shown in Figure 7, the method for the present embodiment comprises:
Step S701, small base station detects the special random access preamble of subscriber equipment transmission to obtain Interference Detection information, this special random access preamble is that macro base station sends the transmission of dedicated signaling activated user equipment to subscriber equipment, and this dedicated signaling comprises the mark of this special random access preamble and sends the PRACH resource indication information of this special random access preamble.
Particularly, small base station can receive the random access guiding that the subscriber equipment in its coverage sends, and small base station can determine according to the random access guiding received whether the subscriber equipment sending this random access guiding can produce interference to this small base station, and obtains Interference Detection information.The special random access preamble that small base station receives is that macro base station sends the transmission of dedicated signaling activated user equipment to subscriber equipment, and this dedicated signaling comprises the mark of this special random access preamble and sends the PRACH resource indication information of this special random access preamble.
Step S702, small base station sends the feedback message comprising Interference Detection information to macro base station, send accidental access response message or Stochastic accessing to make macro base station to subscriber equipment and stop message, and make subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor lag time after receiving random access response message or Stochastic accessing stop message.
Particularly, after small base station obtains Interference Detection information, send the feedback message comprising Interference Detection information to macro base station, make macro base station send accidental access response message or Stochastic accessing stopping message to subscriber equipment.Subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor receiving random access response message or Stochastic accessing after lag time and stop message.Thus complete Interference Detection process.
The present embodiment, on the basis based on non-competing random access procedure, small base station detects the special random access preamble of subscriber equipment transmission to obtain Interference Detection information, and the feedback message comprising Interference Detection information is sent to macro base station, accidental access response message or Stochastic accessing stopping message being sent to subscriber equipment to make macro base station, after the accidental access response making subscriber equipment in the accidental access response window of expansion and/or to expand monitors lag time, receiving random access response message or Stochastic accessing stop message, the re-transmission of random access guiding of subscriber equipment owing to not receiving Stochastic accessing corresponding message and carry out can be avoided, reduce the waste to system resource, reduce load and the power consumption of subscriber equipment.
The flow chart of the interference detection method embodiment five that Fig. 8 provides for the embodiment of the present invention, the executive agent of the present embodiment is small base station side, and as shown in Figure 8, the method for the present embodiment comprises:
Step S801, small base station receives the Stochastic accessing triggering Indication message that macro base station sends.
Particularly, small base station is before the Stochastic accessing detecting subscriber equipment transmission triggers Indication message, the Stochastic accessing triggering Indication message that macro base station sends can also be received, that is, small base station after macro base station indicates it to carry out Interference Detection, then can start the random access guiding detecting subscriber equipment transmission.
Step S802, small base station sends Stochastic accessing triggered response message, to start to detect special random access preamble to macro base station.
Particularly, small base station sends Stochastic accessing triggered response message to macro base station, notice macro base station can start to carry out Interference Detection, after then macro base station receives Stochastic accessing triggered response message, notifying user equipment sends random access guiding, can start to detect random access guiding to make small base station.
Step S803, small base station detects the special random access preamble of subscriber equipment transmission to obtain Interference Detection information, this special random access preamble is that macro base station sends the transmission of dedicated signaling activated user equipment to subscriber equipment, and this dedicated signaling comprises the mark of this special random access preamble and sends the PRACH resource indication information of this special random access preamble.
Step S804, small base station sends the feedback message comprising Interference Detection information to macro base station, send accidental access response message or Stochastic accessing to make macro base station to subscriber equipment and stop message, and make subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor lag time after receiving random access response message or Stochastic accessing stop message.
Further, Fig. 7 and embodiment illustrated in fig. 8 in, the Interference Detection information that small base station sends to macro base station, comprising: the signal quality of special random access preamble; Or whether special random access preamble produces the information that there is interference; Or whether PRACH resource produces the information that there is interference; Or whether subscriber equipment produces the information of interference.
Further, Fig. 7 and embodiment illustrated in fig. 8 in, also comprise in the dedicated signaling that macro base station sends to subscriber equipment: the accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of expansion, expansion monitors at least one in the transmitted power of lag time, special random access preamble, does not apply the information in this accidental access response message to make subscriber equipment after receiving accidental access response message.After subscriber equipment receives the dedicated signaling of macro base station transmission, know at least one that this dedicated signaling comprises in above-mentioned information, then subscriber equipment determines that this random access procedure is for Interference Detection, after subscriber equipment receives the accidental access response message of macro base station transmission, do not apply information wherein.Information in this accidental access response message, comprising: timing advance order, at least one in the resource up and down of power control command, scheduling.
Further, Fig. 7 and embodiment illustrated in fig. 8 in, macro base station comprises radio resource control information, medium education control unit information or Physical Downlink Control Channel information to the dedicated signaling that subscriber equipment sends.
Further, before step S701 embodiment illustrated in fig. 7 or step S803 embodiment illustrated in fig. 8, can also comprise, small base station sends the assignment information of special random access preamble and PRACH resource to macro base station.Fig. 7 and embodiment illustrated in fig. 8 in, user equipment allocation that to be macro base station be needs the special random access preamble sent and the PRACH resources sending special random access preamble.But the present invention can also be small base station determines special random access preamble and the PRACH resource of carrying out Interference Detection, and sent the assignment information of special random access preamble and PRACH resource to macro base station by small base station, macro base station is redistributed to subscriber equipment, and small base station prepares in the PRACH resource of its distribution, receive its random access guiding distributed.
The flow chart of the interference detection method embodiment six that Fig. 9 provides for the embodiment of the present invention, the executive agent of the present embodiment is user equipment side, and as shown in Figure 9, the method for the present embodiment comprises:
Step S901, subscriber equipment receives the dedicated signaling that macro base station sends, and this dedicated signaling comprises the mark of special random access preamble and sends the PRACH resource indication information of this special random access preamble.
Particularly, when macro base station needs to carry out Interference Detection to the subscriber equipment in its coverage, subscriber equipment can receive the dedicated signaling that macro base station sends, and this dedicated signaling comprises the mark of special random access preamble and sends the PRACH resource indication information of this special random access preamble.
Step S902, subscriber equipment uses this PRACH resource to send this special random access preamble.
Particularly, subscriber equipment uses the PRACH resource of macro base station instruction to send this special random access preamble, to make the small base station receiving this special random access preamble send feedback message to macro base station, this feedback message comprises the Interference Detection information that small base station obtains by detecting this special random access preamble.
Step S903, subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor and to receive accidental access response message that macro base station sends after lag time or Stochastic accessing stops message.
Particularly, after macro base station receives the feedback message of small base station transmission, send accidental access response message or Stochastic accessing stopping message to subscriber equipment.Subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor and to receive accidental access response message that macro base station sends after lag time or Stochastic accessing stops message.Because subscriber equipment possibly cannot receive the accidental access response message of macro base station transmission within the existing accidental access response window time, and subscriber equipment is caused to carry out the re-transmission of random access guiding.Therefore, in the present embodiment, subscriber equipment receives accidental access response message or the Stochastic accessing stopping message of macro base station transmission in the random response window of expansion, or subscriber equipment receives accidental access response message or the Stochastic accessing stopping message of macro base station transmission after the accidental access response of expansion monitors lag time, or subscriber equipment receives accidental access response message or the Stochastic accessing stopping message of macro base station transmission after the accidental access response expanded monitors lag time and in the accidental access response window expanded.The accidental access response window of expansion is longer than the time interval of existing accidental access response window, and such subscriber equipment more may receive accidental access response message or the Stochastic accessing stopping message of macro base station transmission within the accidental access response window time of expansion; The accidental access response of expansion monitors lag time also than in existing random access procedure, subscriber equipment is to send after random access guiding 3 subframe time that 3 subframes start receiving random access response message long, and such subscriber equipment more may receive the accidental access response message or Stochastic accessing stopping message that macro base station sends after the accidental access response of expansion monitors lag time.Subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor and not receive accidental access response message that macro base station sends after lag time yet or Stochastic accessing stops message, then subscriber equipment carries out the re-transmission of random access guiding again.The accidental access response window of expansion accidental access response that is interior and/or expansion monitors lag time by macro base station notifying user equipment.
Subscriber equipment can receive accidental access response message or the Stochastic accessing stopping message of macro base station transmission, if macro base station needs subscriber equipment to proceed random access procedure, send accidental access response message, if macro base station determines that this random access procedure is only for Interference Detection, then send Stochastic accessing and stop message.After subscriber equipment receives accidental access response message, the information that can follow-up random access procedure carried out or not apply in accidental access response message; Subscriber equipment stops random access procedure after receiving Stochastic accessing stopping message.
The present embodiment, subscriber equipment is after the dedicated signaling receiving macro base station transmission, send the special random access preamble of macro base station instruction, after macro base station receives the Interference Detection information of small base station feedback, subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor and to receive accidental access response message that macro base station sends after lag time or Stochastic accessing stops message, the re-transmission of random access guiding of subscriber equipment owing to not receiving Stochastic accessing corresponding message and carry out can be avoided, reduce the waste to system resource, reduce load and the power consumption of subscriber equipment.
Further, in embodiment illustrated in fig. 9, if subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor and not receive accidental access response message that macro base station sends after lag time or Stochastic accessing stops message, then subscriber equipment resends this special random access preamble.Because transmission information may exist delay or other reasons, subscriber equipment may in the accidental access response window of expansion and/or the accidental access response of expansion monitor and still not receive accidental access response message that subscriber equipment sends after lag time or Stochastic accessing stops message, now, subscriber equipment can carry out the re-transmission of special random access preamble, and the number of times carrying out retransmitting can be preset in advance in system.
Further, in embodiment illustrated in fig. 9, subscriber equipment can use the through-put power of the last Physical Uplink Shared Channel or physical uplink control information to send special random access preamble; Or the power that subscriber equipment can use macro base station to specify sends special random access preamble.
Further, in embodiment illustrated in fig. 9, also comprise in the dedicated signaling that subscriber equipment receives: the accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble; When the dedicated signaling that subscriber equipment receives comprise above-mentioned every at least one time, subscriber equipment knows that this random access procedure is for carrying out Interference Detection, does not apply the information in this accidental access response message after subscriber equipment receives the accidental access response message of macro base station transmission.Information in this accidental access response message comprises: timing advance order, at least one in the resource up and down of power control command, scheduling.The dedicated signaling that subscriber equipment receives comprises radio resource control information or physical layer control unit information or Physical Downlink Control Channel information.
Further, in embodiment illustrated in fig. 9, subscriber equipment receive macro base station send dedicated signaling comprise special random access preamble mark and PRACH resource information be macro base station distribution.Can also be that small base station distributes these information in the present invention.The information of distribution is sent to macro base station by small base station, and macro base station sends dedicated signaling to subscriber equipment again.Such as, subscriber equipment receives the dedicated signaling that macro base station sends, and this dedicated signaling is used for activated user equipment and sends special random access preamble, and this dedicated signaling comprise that small base station distributes special random access preamble and the information of PRACH resource.Or subscriber equipment receives the radio resource control information that macro base station sends, this radio resource control information comprises the special random access preamble of small base station distribution and the information of PRACH resource; Subscriber equipment receives MAC Control Element information or the Physical Downlink Control Channel information of macro base station transmission, and this MAC Control Element information or Physical Downlink Control Channel information are used for the special random access preamble that activated user equipment sends small base station distribution.
The flow chart of the interference detection method embodiment seven that Figure 10 provides for the embodiment of the present invention, the executive agent of the present embodiment is macro base station side, and as shown in Figure 10, the method for the present embodiment comprises:
Step S1001, macro base station sends dedicated signaling to subscriber equipment, and send special random access preamble with activated user equipment, this dedicated signaling comprises the mark of this special random access preamble and sends the PRACH resource indication information of this special random access preamble.
Particularly, this step is identical with middle step S401 embodiment illustrated in fig. 4.
Step S1002, macro base station sends pseudorandom access response message to subscriber equipment, to make subscriber equipment according to this pseudorandom access response message, this special random access preamble is retransmitted after Preset Time, this pseudorandom access response message comprises pseudo-special random access preamble, and the mark of this pseudo-special random access preamble is different from the mark of this special random access preamble.
Particularly, in prior art, after macro base station equipment for indicating user transmission random access guiding, whether this subscriber equipment may not receiving small base station feedback at short notice can produce the information of interference to small base station, and cause subscriber equipment to carry out the re-transmission of random access guiding.Therefore, in the present embodiment, after macro base station equipment for indicating user sends special random access preamble, macro base station continues to send pseudorandom access response message to subscriber equipment, make subscriber equipment within the accidental access response window time, receive pseudorandom access response message, this pseudorandom access response message comprises pseudo-special random access preamble, the mark of the special access lead of pseudorandom is different from the mark of the special random access preamble that subscriber equipment sends, subscriber equipment can carry out the re-transmission of special random access preamble after receiving pseudorandom access response message.In addition, in order to ensure that macro base station has time enough to receive the feedback message of small base station transmission, subscriber equipment, after receiving pseudorandom access response message, carries out the re-transmission of special random access preamble after a preset amount of time again.
Step S1003, macro base station receives the feedback message that small base station sends, and this feedback message comprises the Interference Detection information that small base station is obtained by the special random access preamble detecting subscriber equipment transmission.
Particularly, this step is identical with middle step S402 embodiment illustrated in fig. 4.
Step S1004, macro base station sends accidental access response message to described subscriber equipment or Stochastic accessing stops message.
Particularly, after macro base station receives the feedback message of small base station transmission, macro base station just obtains the Interference Detection information whether small base station receives interference, at this moment, macro base station can send accidental access response message to subscriber equipment or Stochastic accessing stops message, this accidental access response message or Stochastic accessing stop message comprising the random access guiding identical with the special random lead flag that subscriber equipment sends, subscriber equipment can stop the instruction of message continue random access procedure or stop random access procedure according to this accidental access response message or Stochastic accessing.If macro base station needs subscriber equipment to proceed random access procedure, send accidental access response message, if macro base station determines that this random access procedure is only for Interference Detection, then send Stochastic accessing and stop message.After subscriber equipment receives accidental access response message, the information that can follow-up random access procedure carried out or not apply in accidental access response message; Subscriber equipment stops random access procedure after receiving Stochastic accessing stopping message.
The present embodiment, on the basis based on non-competing random access procedure, when macro base station to be sent by dedicated signaling equipment for indicating user special leading at random after, macro base station sends pseudorandom access response message to subscriber equipment, special random access preamble is retransmitted after a preset amount of time to make subscriber equipment, after macro base station receives the Interference Detection information of the feedback that small base station sends, accidental access response message or Stochastic accessing stopping message being sent again to subscriber equipment, the re-transmission of random access guiding of subscriber equipment owing to not receiving Stochastic accessing corresponding message and carry out can be avoided like this, reduce the waste to system resource, reduce load and the power consumption of subscriber equipment.
Further, in embodiment illustrated in fig. 10, macro base station comprises rollback value to the pseudorandom access response message of subscriber equipment, response message is accessed according to pseudorandom to make subscriber equipment, special random access preamble is retransmitted after the time that this rollback value is corresponding, or this special random access preamble of re-transmission sometime before time corresponding to this rollback value of Stochastic choice.The rollback value that pseudorandom access response message comprises is a larger time range, makes macro base station can receive the feedback information of small base station transmission within the scope of this rollback value.
Further, in embodiment illustrated in fig. 10, macro base station can send Stochastic accessing to small base station and trigger Indication message, this Stochastic accessing triggers in Indication message the PRACH resource that can comprise macro base station and be sent to the mark of the special random access preamble of subscriber equipment by dedicated signaling and send this special random access preamble, and small base station is detected the random access guiding that subscriber equipment sends in certain PRACH resource.
Further, in embodiment illustrated in fig. 10, also comprise in the dedicated signaling that macro base station sends to subscriber equipment: the accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of expansion, expansion monitors at least one in the transmitted power of lag time, special random access preamble, does not apply the information in this accidental access response message to make subscriber equipment after receiving accidental access response message.After subscriber equipment receives the dedicated signaling of macro base station transmission, know at least one that this dedicated signaling comprises in above-mentioned information, then subscriber equipment determines that this random access procedure is for Interference Detection, after subscriber equipment receives the accidental access response message of macro base station transmission, do not apply information wherein.Information in this accidental access response message, comprising: timing advance order, at least one in the resource up and down of power control command, scheduling.
Further, in embodiment illustrated in fig. 10, the Interference Detection information that the feedback information that the small base station that macro base station receives sends comprises, comprising: the signal quality of this special random access preamble; Or whether this special random access preamble produces the information that there is interference; Or whether this PRACH resource produces the information that there is interference; Or whether subscriber equipment produces the information of interference.Namely small base station can to macro base station feed back in above-mentioned information any one, determine to make macro base station whether the subscriber equipment sending special random access preamble produces interference to small base station.
Further, in embodiment illustrated in fig. 10, macro base station comprises radio resource control information or medium education control unit information or Physical Downlink Control Channel information to the dedicated signaling that subscriber equipment sends.
The flow chart of the interference detection method embodiment eight that Figure 11 provides for the embodiment of the present invention, the executive agent of the present embodiment is user equipment side, and as shown in figure 11, the method for the present embodiment comprises:
Step S1101, subscriber equipment receives the dedicated signaling that macro base station sends, and this dedicated signaling comprises the mark of special random access preamble and sends the PRACH resource indication information of this special random access preamble.
Particularly, this step is identical with middle step S901 embodiment illustrated in fig. 9.
Step S1102, subscriber equipment uses this PRACH resource to send this special random access preamble.
Particularly, this step is identical with middle step S902 embodiment illustrated in fig. 9.
Step S1103, subscriber equipment receives the pseudorandom access response message that macro base station sends, this pseudorandom access response message comprises pseudo-special random access preamble and this pseudorandom access response message comprises rollback value, and the mark of this pseudo-special random access preamble is different from the mark of this special random access preamble.
Particularly, subscriber equipment can receive the pseudorandom access response message that macro base station sends within the accidental access response window time, this pseudorandom access response message comprises pseudo-special random access preamble, the mark of this pseudo-special random access preamble is different from the mark of the special random access preamble that subscriber equipment sends, and can carry out the re-transmission of special random access preamble after subscriber equipment receives pseudorandom access lead.In addition, also comprise rollback value in pseudorandom access response message, this rollback value is a larger time interval, makes subscriber equipment after this rollback value time, carry out the re-transmission of special random access preamble.
Step S1104, subscriber equipment, after the rollback value time, retransmits special random access preamble, or the special random access preamble of re-transmission sometime before time corresponding to Stochastic choice rollback value.
Particularly, subscriber equipment retransmits special random access preamble after Backoff time, such macro base station can after the feedback message receiving small base station transmission, send accidental access response message or Stochastic accessing stopping message to subscriber equipment again, thus avoid the re-transmission of the unnecessary special random access preamble of subscriber equipment.Or, the special random access preamble of re-transmission sometime before the time that subscriber equipment Stochastic choice rollback value is corresponding.
Further, in embodiment illustrated in fig. 11, subscriber equipment can use the through-put power of the last Physical Uplink Shared Channel or physical uplink control information to send special random access preamble; Or the power that subscriber equipment can use macro base station to specify sends special random access preamble.
Further, in embodiment illustrated in fig. 11, also comprise in the dedicated signaling that subscriber equipment receives: the accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble; When the dedicated signaling that subscriber equipment receives comprise above-mentioned every at least one time, subscriber equipment knows that this random access procedure is for carrying out Interference Detection, does not apply the information in this accidental access response message after subscriber equipment receives the accidental access response message of macro base station transmission.Information in this accidental access response message comprises: timing advance order, at least one in the resource up and down of power control command, scheduling.The dedicated signaling that subscriber equipment receives comprises radio resource control information or physical layer control unit information or Physical Downlink Control Channel information.
The flow chart of the interference detection method embodiment nine that Figure 12 provides for the embodiment of the present invention, the executive agent of the present embodiment is macro base station side, and as shown in figure 12, the method for the present embodiment comprises:
Step S1201, macro base station sends dedicated signaling to subscriber equipment, send Interference Detection auxiliary signal with activated user equipment, this dedicated signaling comprises the identification information of Interference Detection auxiliary signal, sends the transmission times of running time-frequency resource configuration information that Interference Detection auxiliary signal uses and Interference Detection auxiliary signal.
Particularly, when macro base station needs to carry out Interference Detection to the subscriber equipment in its coverage, send dedicated signaling to subscriber equipment, activated user equipment sends Interference Detection auxiliary signal.Macro base station can determine the potential subscriber equipment that may cause interference to small base station based on history schedule information or the resource location be disturbed.The dedicated signaling that macro base station sends comprises the identification information of Interference Detection auxiliary signal, sends the transmission times of running time-frequency resource configuration information that Interference Detection auxiliary signal uses and Interference Detection auxiliary signal, being used to indicate subscriber equipment uses the running time-frequency resource of specifying to send the Interference Detection auxiliary signal of specifying, and sends the Interference Detection auxiliary signal of macro base station predetermined number of times.In the present embodiment, the special random access preamble that Interference Detection auxiliary signal can be distributed for macro base station or aperiodic Sounding Reference Signal (Sounding Reference Signal, SRS).When Interference Detection auxiliary signal is special random access preamble, after subscriber equipment sends the Interference Detection auxiliary signal of predetermined number of times, namely think and complete random access procedure, do not start the receiving course of accidental access response information, decrease the transmission times of unwanted special random access preamble; When Interference Detection auxiliary signal is aperiodic Sounding Reference Signal, the transmission times of aperiodic Sounding Reference Signal also can be reduced.
Step S1202, macro base station receives the feedback message that small base station sends, and this feedback message comprises the Interference Detection information that small base station is obtained by the Interference Detection auxiliary signal detecting subscriber equipment transmission.
Particularly, after subscriber equipment sends Interference Detection auxiliary signal, the small base station that may be subject to the interference of this subscriber equipment can receive this Interference Detection auxiliary signal, this small base station can detect this Interference Detection auxiliary signal, determines whether the subscriber equipment sending this Interference Detection auxiliary signal can produce interference to this small base station.Macro base station can receive the feedback message that small base station sends, and this feedback message comprises the Interference Detection information that small base station is obtained by the Interference Detection auxiliary signal detecting subscriber equipment transmission.
The present embodiment, macro base station sends dedicated signaling to subscriber equipment, subscriber equipment is made to send the Interference Detection auxiliary signal of predetermined number of times, macro base station receives the Interference Detection information of small base station feedback, when Interference Detection auxiliary signal is special random access preamble, subscriber equipment can be avoided due to the re-transmission of random access guiding not receiving Stochastic accessing corresponding message and carry out, reduce the waste to system resource, reduce load and the power consumption of subscriber equipment; When Interference Detection auxiliary signal is aperiodic Sounding Reference Signal, the transmission times of aperiodic Sounding Reference Signal can be reduced equally, reduce the waste to system resource, reduce load and the power consumption of subscriber equipment.
The flow chart of the interference detection method embodiment ten that Figure 13 provides for the embodiment of the present invention, the executive agent of the present embodiment is macro base station side, and as shown in figure 13, the method for the present embodiment comprises:
Step S1301, macro base station sends dedicated signaling to subscriber equipment, state subscriber equipment send special random access preamble to touch, this dedicated signaling comprise special random access preamble mark, send the PRACH resource allocation information of special random access preamble and the transmission times of special random access preamble.
Particularly, when macro base station needs to carry out Interference Detection to the subscriber equipment in its coverage, send dedicated signaling to subscriber equipment, activated user equipment sends special random access preamble.Macro base station can determine the potential subscriber equipment that may cause interference to small base station based on history schedule information or the resource location be disturbed.The dedicated signaling that macro base station sends comprise special random access preamble mark, send the PRACH resource allocation information of special random access preamble and the transmission times of special random access preamble, being used to indicate subscriber equipment uses the PRACH resource of specifying to send the special random access preamble of specifying, and sends the special random access preamble of macro base station predetermined number of times.After subscriber equipment sends the special random access preamble of predetermined number of times, namely think and complete random access procedure, do not start the receiving course of accidental access response information.
Step S1302, macro base station receives the feedback message that small base station sends, and this feedback message comprises the Interference Detection information that small base station is obtained by the special random access preamble detecting subscriber equipment transmission.
Particularly, after subscriber equipment sends special random access preamble, the small base station that may be subject to the interference of this subscriber equipment can receive this special random access preamble, this small base station can detect this special random access preamble, determines whether the subscriber equipment sending this special random access preamble can produce interference to this small base station.Macro base station can receive the feedback message that small base station sends, and this feedback message comprises the Interference Detection information that small base station is obtained by the special random access preamble detecting subscriber equipment transmission.The transmission times sending random access guiding by designated user equipment due to macro base station has made user's device end random access procedure, and therefore, macro base station does not need to send accidental access response message to subscriber equipment, and this Interference Detection process completes.If macro base station receives in the feedback information of small base station transmission the random access guiding not comprising subscriber equipment and send, then macro base station can also send dedicated signaling to subscriber equipment again, equipment for indicating user resends random access guiding, namely re-starts Interference Detection.
Further, in embodiment illustrated in fig. 13, macro base station can send Stochastic accessing to small base station and trigger Indication message, this Stochastic accessing triggers in Indication message the PRACH resource that can comprise macro base station and be sent to the mark of the special random access preamble of subscriber equipment by dedicated signaling and send this special random access preamble, and small base station is detected the random access guiding that subscriber equipment sends in certain PRACH resource.
Further, in embodiment illustrated in fig. 13, the dedicated signaling that macro base station sends to subscriber equipment comprises: the triggering object of Stochastic accessing or the transmission times of described special random access preamble, do not start the receiving course of accidental access response message to make subscriber equipment after receiving accidental access response message.After subscriber equipment receives the dedicated signaling of macro base station transmission, know that this dedicated signaling comprises the triggering object of Stochastic accessing or the transmission times of described special random access preamble, then subscriber equipment determines that this random access procedure is for Interference Detection, after subscriber equipment receives the accidental access response message of macro base station transmission, do not start the receiving course of accidental access response message.
Further, in embodiment illustrated in fig. 13, the Interference Detection information that the feedback information that the small base station that macro base station receives sends comprises, comprising: the signal quality of this special random access preamble; Or whether this special random access preamble produces the information that there is interference; Or whether this PRACH resource produces the information that there is interference; Or whether subscriber equipment produces the information of interference.Namely small base station can to macro base station feed back in above-mentioned information any one, determine to make macro base station whether the subscriber equipment sending special random access preamble produces interference to small base station.
Further, in embodiment illustrated in fig. 13, macro base station comprises radio resource control information or medium education control unit information or Physical Downlink Control Channel information to the dedicated signaling that subscriber equipment sends.
The flow chart of the interference detection method embodiment 11 that Figure 14 provides for the embodiment of the present invention, the executive agent of the present embodiment is macro base station side, and as shown in figure 14, the method for the present embodiment comprises:
Step S1401, macro base station receive small base station send aperiodic SRS sequence or aperiodic SRS sequence numbering, aperiodic SRS running time-frequency resource configuration information and aperiodic SRS transmission times.
Particularly, the present embodiment use SRS aperiodic carries out Interference Detection, SRS aperiodic used in order to avoid carrying out Interference Detection produces interference to other SRS that small base station uses, macro base station first receive small base station send aperiodic SRS sequence or aperiodic SRS numbering, and aperiodic SRS video resource configuration information.Thus macro base station can notifying user equipment send small base station distribute SRS aperiodic, make small base station carry out Interference Detection to this aperiodic of SRS.Avoid because macro base station is the problem that the user equipment allocation SRS that SRS causes aperiodic uses with small base station occurs to disturb.In addition, macro base station can also receive small base station send aperiodic SRS transmission times.
Step S1402, macro base station sends radio resource control information to subscriber equipment, send non-periodic channel detection reference signal with activated user equipment, this radio resource control information comprise aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending SRS aperiodic and aperiodic SRS transmission times.
Particularly, when macro base station needs to carry out Interference Detection to the subscriber equipment in its coverage, send radio resource control information to subscriber equipment, activated user equipment sends SRS aperiodic.Macro base station can determine the potential subscriber equipment that may cause interference to small base station based on history schedule information or the resource location be disturbed.Macro base station send radio resource control information comprise small base station distribute aperiodic SRS sequence or aperiodic SRS sequence numbering, send aperiodic SRS running time-frequency resource configuration information and aperiodic SRS transmission times, being used to indicate subscriber equipment uses the running time-frequency resource of specifying to send SRS aperiodic specified, and sends SRS aperiodic of macro base station predetermined number of times.
Step S1403, macro base station receives the feedback message that small base station sends, and this feedback message comprises the Interference Detection information that aperiodic, SRS obtained that small base station sends by detecting subscriber equipment.
Particularly, after subscriber equipment sends SRS aperiodic, the small base station that may be subject to the interference of this subscriber equipment can receive this aperiodic of SRS, and this small base station can detect this aperiodic of SRS, determines whether the subscriber equipment sending this aperiodic of SRS can produce interference to this small base station.Macro base station can receive the feedback message that small base station sends, and this feedback message comprises the Interference Detection information that aperiodic, SRS obtained that small base station sends by detecting subscriber equipment.
Further, in embodiment illustrated in fig. 14, the Interference Detection information that the feedback information that small base station that macro base station receives sends comprises, comprising: this aperiodic SRS signal quality; Or this aperiodic, whether SRS produced the information that there is interference; Or this aperiodic, whether the running time-frequency resource of SRS produced the information that there is interference; Or whether this subscriber equipment produces the information of interference.Namely small base station can to macro base station feed back in above-mentioned information any one, determine to make macro base station whether the subscriber equipment sending SRS aperiodic produces interference to small base station.
Further, in embodiment illustrated in fig. 14, step S1402 can also comprise: macro base station sends dedicated radio resources control message to subscriber equipment, this dedicated radio resources control message comprises that small base station distributes aperiodic SRS sequence or aperiodic SRS sequence numbering and aperiodic SRS running time-frequency resource configuration information; Macro base station sends MAC Control Element information or Physical Downlink Control Channel information to subscriber equipment, with activated user equipment use small base station distribute aperiodic SRS running time-frequency resource send small base station distribute SRS aperiodic, this MAC Control Element information or Physical Downlink Control Channel information comprise the transmission times of this aperiodic of SRS.Namely macro base station first small base station is distributed aperiodic SRS selection information and send this aperiodic of SRS running time-frequency resource message notice to subscriber equipment, then activated user equipment sends and formulates SRS aperiodic of number of times.
The flow chart of the interference detection method embodiment 12 that Figure 15 provides for the embodiment of the present invention, the executive agent of the present embodiment is small base station side, and as shown in figure 15, the method for the present embodiment comprises:
Step S1501, small base station detects the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information, to be macro base station send dedicated signaling to subscriber equipment to this Interference Detection auxiliary signal triggers that described subscriber equipment sends, this dedicated signaling comprise this Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that this Interference Detection auxiliary signal uses and the transmission times of this Interference Detection auxiliary signal.
Particularly, small base station can receive the Interference Detection auxiliary signal that the subscriber equipment in its coverage sends, and small base station can determine according to the Interference Detection auxiliary signal received whether the subscriber equipment sending this Interference Detection auxiliary signal can produce interference to this small base station, and obtains Interference Detection information.To be macro base station to subscriber equipment send the Interference Detection auxiliary signal that small base station receives that dedicated signaling activated user equipment sends, this dedicated signaling comprise this Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that this Interference Detection auxiliary signal uses and the transmission times of this Interference Detection auxiliary signal.
Step S1502, small base station sends the feedback message comprising Interference Detection information to macro base station, this feedback message comprises the Interference Detection information that small base station is obtained by the Interference Detection auxiliary signal detecting subscriber equipment transmission.
Particularly, after small base station obtains Interference Detection information, send the feedback message comprising Interference Detection information to macro base station, thus complete Interference Detection process.
The flow chart of the interference detection method embodiment 13 that Figure 16 provides for the embodiment of the present invention, the executive agent of the present embodiment is small base station side, and as shown in figure 16, the method for the present embodiment comprises:
Step S1601, small base station detects the special random access preamble of subscriber equipment transmission to obtain Interference Detection information, to be macro base station to subscriber equipment send this special random access preamble that dedicated signaling activated user equipment sends, this dedicated signaling comprise this special random access preamble mark, send the PRACH resource allocation information of this special random access preamble and the transmission times of this special random access preamble.
Particularly, this step is similar with middle step S701 embodiment illustrated in fig. 7, and its difference is only, in the present embodiment, macro base station comprises the transmission times of special random access preamble to the dedicated signaling that subscriber equipment sends.
Step S1602, small base station sends the feedback message comprising Interference Detection information to macro base station, this feedback message comprises the Interference Detection information that small base station is obtained by the special random access preamble detecting subscriber equipment transmission.
Particularly, this step is identical with middle step S702 embodiment illustrated in fig. 7.
Further, in embodiment illustrated in fig. 16, small base station is before the special random access preamble detecting subscriber equipment transmission, also comprise: small base station receives the Stochastic accessing triggering Indication message that macro base station sends, and this Stochastic accessing triggers Indication message for notifying that small base station detects this special random access preamble.
Further, in embodiment illustrated in fig. 16, the Interference Detection information that small base station sends to macro base station, comprising: the signal quality of special random access preamble; Or whether special random access preamble produces the information that there is interference; Or whether PRACH resource produces the information that there is interference; Or whether subscriber equipment produces the information of interference.
The flow chart of the interference detection method embodiment 14 that Figure 17 provides for the embodiment of the present invention, the executive agent of the present embodiment is small base station side, and as shown in figure 17, the method for the present embodiment comprises:
Step S1701, small base station to macro base station send aperiodic SRS sequence or aperiodic SRS sequence numbering, aperiodic SRS PRACH resource allocation information and aperiodic SRS transmission times.
Particularly, the SRS SRS that may use with macro base station used due to small base station produces and conflicts, therefore, Interference Detection is carried out in order to use aperiodic SRS, small base station first to macro base station send aperiodic SRS sequence or aperiodic SRS sequence numbering, aperiodic SRS running time-frequency resource configuration information and aperiodic SRS transmission times, send small base station to make macro base station equipment for indicating user and distribute running time-frequency resource transmission SRS aperiodic that small base station distributes, and send SRS aperiodic performing number of times.
Step S1702, small base station detect subscriber equipment send aperiodic SRS to obtain Interference Detection information, this aperiodic SRS to be macro base station to subscriber equipment send that radio resource control information activated user equipment sends, this radio resource control information comprise this aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending this aperiodic of SRS and this aperiodic SRS transmission times.
Particularly, small base station can receive SRS aperiodic that the subscriber equipment in its coverage sends, and small base station can determine according to SRS aperiodic received whether the subscriber equipment sending this aperiodic of SRS can produce interference to this small base station, and obtains Interference Detection information.To be macro base station to subscriber equipment send SRS aperiodic that small base station receives that radio resource control information activated user equipment sends, this radio resource control information comprise this aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending this aperiodic of SRS and this aperiodic SRS transmission times.
Step S1703, small base station sends the feedback message comprising Interference Detection information to macro base station, this feedback message comprises the Interference Detection information that aperiodic, SRS obtained that small base station sends by detecting subscriber equipment.
Particularly, after small base station obtains Interference Detection information, send the feedback message comprising Interference Detection information to macro base station, thus complete Interference Detection process.
Further, Fig. 7 and embodiment illustrated in fig. 8 in, the Interference Detection information that small base station sends to macro base station, comprising: aperiodic SRS signal quality; Or aperiodic, whether SRS produced the information that there is interference; Or aperiodic, whether the running time-frequency resource of SRS produced the information that there is interference; Or whether subscriber equipment produces the information of interference.
The flow chart of the interference detection method embodiment 15 that Figure 18 provides for the embodiment of the present invention, the executive agent of the present embodiment is user equipment side, and as shown in figure 18, the method for the present embodiment comprises:
Step S1801, subscriber equipment receive macro base station send dedicated signaling, this dedicated signaling comprise Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that this Interference Detection auxiliary signal uses and the transmission times of this Interference Detection auxiliary signal.
Particularly, when macro base station needs to carry out Interference Detection to the subscriber equipment in its coverage, subscriber equipment can receive macro base station send dedicated signaling, this dedicated signaling comprise Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that this Interference Detection auxiliary signal uses and the transmission times of this Interference Detection auxiliary signal.
Step S1802, subscriber equipment uses this Interference Detection auxiliary signal sending the running time-frequency resource transmission predetermined number of times that this Interference Detection auxiliary signal uses, to make the small base station receiving this Interference Detection auxiliary signal send feedback message to macro base station, this feedback message comprises the Interference Detection information that small base station obtains by detecting this Interference Detection auxiliary signal.
Particularly, subscriber equipment uses the running time-frequency resource of macro base station instruction to send this Interference Detection auxiliary signal, to make the small base station receiving this Interference Detection auxiliary signal send feedback message to macro base station, this feedback message comprises the Interference Detection information that small base station obtains by detecting this Interference Detection auxiliary signal.In the present embodiment, the special random access preamble that Interference Detection auxiliary signal can be distributed for macro base station or aperiodic Sounding Reference Signal.When Interference Detection auxiliary signal is special random access preamble, after subscriber equipment sends the Interference Detection auxiliary signal of predetermined number of times, namely think and complete random access procedure, do not start the receiving course of accidental access response information, decrease the transmission times of unwanted special random access preamble; When Interference Detection auxiliary signal is aperiodic Sounding Reference Signal, the transmission times of aperiodic Sounding Reference Signal also can be reduced.
The present embodiment, macro base station sends dedicated signaling to subscriber equipment, subscriber equipment is made to send the Interference Detection auxiliary signal of predetermined number of times, macro base station receives the Interference Detection information of small base station feedback, when Interference Detection auxiliary signal is special random access preamble, subscriber equipment can be avoided due to the re-transmission of random access guiding not receiving Stochastic accessing corresponding message and carry out, reduce the waste to system resource, reduce load and the power consumption of subscriber equipment; When Interference Detection auxiliary signal is aperiodic Sounding Reference Signal, the transmission times of aperiodic Sounding Reference Signal can be reduced equally, reduce the waste to system resource, reduce load and the power consumption of subscriber equipment.
The flow chart of the interference detection method embodiment 16 that Figure 19 provides for the embodiment of the present invention, the executive agent of the present embodiment is user equipment side, and as shown in figure 19, the method for the present embodiment comprises:
Step S1901, subscriber equipment receive macro base station send dedicated signaling, this dedicated signaling comprise special random access preamble mark, send the PRACH resource allocation information of this special random access preamble and the transmission times of this special random access preamble.
Particularly, when macro base station needs to carry out Interference Detection to the subscriber equipment in its coverage, subscriber equipment can receive the dedicated signaling that macro base station sends, this dedicated signaling comprise special random access preamble identification information, send the configuration information of PRACH resource and the transmission times of this special random access preamble that this special random access preamble uses.
Step S1902, subscriber equipment uses the PRACH resource sending this special random access preamble to send this special random access preamble, to make the small base station receiving this special random access preamble send feedback message to macro base station, this feedback message comprises the Interference Detection information that small base station obtains by detecting this special random access preamble.
Particularly, subscriber equipment uses the PRACH resource of macro base station instruction to send this special random access preamble, to make the small base station receiving this special random access preamble send feedback message to macro base station, this feedback message comprises the Interference Detection information that small base station obtains by detecting this special random access preamble.After subscriber equipment sends the special random access preamble of predetermined number of times, namely think and complete random access procedure, do not start the receiving course of accidental access response information, decrease the transmission times of unwanted special random access preamble.
Further, in embodiment illustrated in fig. 19, if macro base station does not receive the Interference Detection information that small base station sends, then subscriber equipment can receive the described dedicated signaling that macro base station resends, by the instruction of this signaling, subscriber equipment resends this special random access preamble.
Further, in embodiment illustrated in fig. 19, subscriber equipment can use the through-put power of the last Physical Uplink Shared Channel or physical uplink control information to send special random access preamble; Or the power that subscriber equipment can use macro base station to specify sends special random access preamble.
Further, in embodiment illustrated in fig. 19, the dedicated signaling that subscriber equipment receives comprises: the triggering object of Stochastic accessing or the transmission times of described special random access preamble; When the dedicated signaling that subscriber equipment receives comprises the transmission times of the triggering object of Stochastic accessing or described special random access preamble, subscriber equipment knows that this random access procedure is that then subscriber equipment does not start the receiving course of accidental access response message for carrying out Interference Detection.
Further, in embodiment illustrated in fig. 19, this Interference Detection information, comprising: the signal quality of this special random access preamble; Or whether this special random access preamble produces the information that there is interference; Or whether this PRACH resource produces the information that there is interference; Or whether this subscriber equipment produces the information of interference.
The flow chart of the interference detection method embodiment 17 that Figure 20 provides for the embodiment of the present invention, the executive agent of the present embodiment is user equipment side, and as shown in figure 20, the method for the present embodiment comprises:
Step S2001, subscriber equipment receive macro base station send radio resource control information, this dedicated signaling comprise aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending this aperiodic of SRS and this aperiodic SRS transmission times.
Particularly, when macro base station needs to carry out Interference Detection to the subscriber equipment in its coverage, subscriber equipment can receive macro base station send radio resource control information, this radio resource control information comprise aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending this aperiodic of SRS and this aperiodic SRS transmission times.The relevant information of carrying in the radio resource control information that subscriber equipment receives is that small base station sends to macro base station, macro base station the dedicated signaling that small base station sends is comprised aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information that sends this aperiodic of SRS send to subscriber equipment, like this, the running time-frequency resource that subscriber equipment uses small base station to distribute sends SRS aperiodic, the SRS of the SRS because macro base station distributes and small base station can be avoided to produce and disturb the insecure problem of the testing result caused.In addition, subscriber equipment send aperiodic SRS transmission times can be macro base station equipment for indicating user, also can be that small base station is by macro base station equipment for indicating user.
Step S2002, subscriber equipment uses the PRACH resource sending this aperiodic of SRS to send this aperiodic of SRS, to make the small base station receiving this aperiodic of SRS send feedback message to macro base station, this feedback message comprises small base station by detecting the Interference Detection information that this aperiodic, SRS obtained.
Particularly, subscriber equipment uses the running time-frequency resource of macro base station instruction to send this aperiodic of SRS, to make the small base station receiving this aperiodic of SRS send feedback message to macro base station, this feedback message comprises small base station by detecting the Interference Detection information that this aperiodic, SRS obtained.
Further, in embodiment illustrated in fig. 20, if macro base station does not receive the Interference Detection information that small base station sends, then subscriber equipment can receive the radio resource control information that macro base station resends, by the instruction of this radio resource control information, subscriber equipment resends this aperiodic of SRS.
Further, in embodiment illustrated in fig. 20, this Interference Detection information, comprising: this aperiodic SRS signal quality; Or this aperiodic, whether SRS produced the information that there is interference; Or this aperiodic, whether the PRACH resource of SRS produced the information that there is interference; Or whether this subscriber equipment produces the information of interference.
The flow chart of the interference detection method embodiment 18 that Figure 21 provides for the embodiment of the present invention, the executive agent of the present embodiment is macro base station side, and as shown in figure 21, the method for the present embodiment comprises:
Step S2101, macro base station sends the identification information of Interference Detection auxiliary signal to small base station and sends the configuration information of the running time-frequency resource that Interference Detection auxiliary signal uses, and determines the required Interference Detection auxiliary signal of detection and the running time-frequency resource information of required detection to make small base station.
Particularly, in order to carry out Interference Detection, macro base station needs activated user equipment or is triggered by subscriber equipment self to send Interference Detection auxiliary signal, pass through to detect this Interference Detection auxiliary signal to make small base station and determine whether this subscriber equipment produces interference to this small base station, macro base station needs first to send the identification information of Interference Detection auxiliary signal to small base station and send the configuration information of the running time-frequency resource that Interference Detection auxiliary signal uses, the required Interference Detection auxiliary signal of detection and the running time-frequency resource information of required detection is determined to make small base station, and on this running time-frequency resource, detect this Interference Detection auxiliary signal that subscriber equipment sends.In the present embodiment, the special random access preamble that Interference Detection auxiliary signal can be distributed for macro base station or Sounding Reference Signal.
Step S2102, macro base station receives the feedback message that small base station sends, and this feedback message comprises the Interference Detection information that small base station is obtained by the Interference Detection auxiliary signal detecting subscriber equipment transmission.
Particularly, after subscriber equipment sends Interference Detection auxiliary signal, the small base station that may be subject to the interference of this subscriber equipment can receive this Interference Detection auxiliary signal, this small base station can detect this Interference Detection auxiliary signal, determines whether the subscriber equipment sending this Interference Detection auxiliary signal can produce interference to this small base station.Macro base station can receive the feedback message that small base station sends, and this feedback message comprises the Interference Detection information that small base station is obtained by the Interference Detection auxiliary signal detecting subscriber equipment transmission.
The present embodiment, first macro base station sends the identification information of Interference Detection auxiliary signal to small base station and sends the configuration information of the running time-frequency resource that Interference Detection auxiliary signal uses, the running time-frequency resource that small base station is distributed at macro base station detects the Interference Detection auxiliary signal that macro base station distributes, thus complete Interference Detection process, insecure Interference Detection that the signal avoided due to small base station and macro base station produces interference and causes.
The flow chart of the interference detection method embodiment 19 that Figure 22 provides for the embodiment of the present invention, the executive agent of the present embodiment is macro base station side, and as shown in figure 22, the method for the present embodiment comprises:
Step S2201, macro base station sends the root sequence information of special random access preamble to small base station and sends this random access guiding institute and use the configuration information of PRACH resource, determines the required special random access preamble of detection and the PRACH resource of required detection to make small base station.
Particularly, in order to carry out Interference Detection, macro base station needs activated user equipment or is triggered by subscriber equipment self to send special random access preamble, pass through to detect this special random access preamble to make small base station and determine whether this subscriber equipment produces interference to this small base station, macro base station need first to small base station send special random access preamble root sequence information and send this random access guiding use the configuration information of PRACH resource, the required special random access preamble of detection and the PRACH resource information of required detection is determined to make small base station, and in this PRACH resource, detect this special random access preamble that subscriber equipment sends.
Step S2202, macro base station receives the feedback message that small base station sends, and this feedback message comprises the Interference Detection information that small base station is obtained by the special random access preamble detecting subscriber equipment transmission.
Particularly, after subscriber equipment sends special random access preamble, the small base station that may be subject to the interference of this subscriber equipment can receive this special random access preamble, this small base station can detect this special random access preamble, determines whether the subscriber equipment sending this special random access preamble can produce interference to this small base station.Macro base station can receive the feedback message that small base station sends, and this feedback message comprises the Interference Detection information that small base station is obtained by the special random access preamble detecting subscriber equipment transmission.This Interference Detection information comprises the signal quality of this special random access preamble.
The flow chart of the interference detection method embodiment 20 that Figure 23 provides for the embodiment of the present invention, the executive agent of the present embodiment is macro base station side, and as shown in figure 23, the method for the present embodiment comprises:
Step S2301, macro base station sends the sequence information of SRS to small base station and sends the configuration information of the running time-frequency resource that this SRS uses, and determines the required SRS of detection and the running time-frequency resource of required detection to make small base station.
Particularly, in order to carry out Interference Detection, macro base station needs activated user equipment or is triggered by subscriber equipment self to send SRS, pass through to detect this SRS to make small base station and determine whether this subscriber equipment produces interference to this small base station, macro base station needs first to send the sequence information of SRS to small base station and send the configuration information of the running time-frequency resource that this SRS uses, to make small base station determine the required SRS of detection and the running time-frequency resource of required detection, and on this running time-frequency resource, detect this SRS of subscriber equipment transmission.In the present embodiment, this SRS can be the SRS in cycle or aperiodic SRS.
Step S2302, macro base station receives the feedback message that small base station sends, and this feedback message comprises the Interference Detection information that small base station is obtained by the SRS detecting subscriber equipment transmission.
Particularly, after subscriber equipment sends SRS, the small base station that may be subject to the interference of this subscriber equipment can receive this SRS, and this small base station can detect this SRS, determines whether the subscriber equipment sending this SRS can produce interference to this small base station.Macro base station can receive the feedback message that small base station sends, and this feedback message comprises the Interference Detection information that small base station is obtained by the SRS detecting subscriber equipment transmission.This Interference Detection information comprises the signal quality of this SRS.
The flow chart of the interference detection method embodiment 21 that Figure 24 provides for the embodiment of the present invention, the executive agent of the present embodiment is small base station side, and as shown in figure 24, the method for the present embodiment comprises:
Step S2401, small base station receives the identification information of the Interference Detection auxiliary signal that macro base station sends and sends the configuration information of the running time-frequency resource that this Interference Detection auxiliary signal uses.
Particularly, in order to carry out Interference Detection, macro base station needs activated user equipment or is triggered by subscriber equipment self to send Interference Detection auxiliary signal, pass through to detect this Interference Detection auxiliary signal to make small base station and determine whether this subscriber equipment produces interference to this small base station, first small base station needs receive the identification information of the Interference Detection auxiliary signal that macro base station sends and send the configuration information of the running time-frequency resource that Interference Detection auxiliary signal uses.In the present embodiment, the special random access preamble that Interference Detection auxiliary signal can be distributed for macro base station or Sounding Reference Signal.
Step S2402, small base station determines the required Interference Detection auxiliary signal of detection and the running time-frequency resource of required detection.
Particularly, small base station determines the required Interference Detection auxiliary signal of detection and the running time-frequency resource of required detection according to the identification information of the Interference Detection auxiliary signal of the macro base station transmission received with the configuration information sending the running time-frequency resource that this Interference Detection auxiliary signal uses.Small base station only need detect the Interference Detection auxiliary signal of macro base station instruction on the running time-frequency resource of macro base station instruction.
Step S2403, small base station detects the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information.
Particularly, small base station detects the Interference Detection auxiliary signal received, and can learn whether the subscriber equipment sending this Interference Detection auxiliary signal produces interference to this small base station, and obtain Interference Detection information by detecting.
Step S2404, small base station sends the feedback message comprising Interference Detection information to macro base station, this feedback message comprises the Interference Detection information that small base station obtains by detecting this Interference Detection auxiliary signal.
Particularly, small base station sends feedback message to macro base station, and this feedback message comprises the Interference Detection information that small base station is obtained by the Interference Detection auxiliary signal detecting subscriber equipment transmission.
The present embodiment, first small base station receives the identification information of the Interference Detection auxiliary signal that macro base station sends and sends the configuration information of the running time-frequency resource that Interference Detection auxiliary signal uses, then the running time-frequency resource that small base station distributes at macro base station detects the Interference Detection auxiliary signal that macro base station distributes, thus complete Interference Detection process, insecure Interference Detection that the signal avoided due to small base station and macro base station produces interference and causes.
The flow chart of the interference detection method embodiment 22 that Figure 25 provides for the embodiment of the present invention, the executive agent of the present embodiment is small base station side, and as shown in figure 25, the method for the present embodiment comprises:
Step S2501, small base station receive the random access guiding that macro base station sends root sequence information and send this random access guiding use the configuration information of PRACH resource.
Step S2502, small base station determines the required random access guiding of detection and the PRACH resource of required detection.
Step S2503, small base station detects the random access guiding of subscriber equipment transmission to obtain Interference Detection information.
Step S2504, small base station sends the feedback message comprising Interference Detection information to macro base station, this feedback message comprises the Interference Detection information that small base station obtains by detecting this random access guiding.
This Interference Detection information comprises: the signal quality of this random access guiding.Small base station periodically can send the signal quality of random access guiding to macro base station, or small base station sends the random access guiding of signal quality higher than pre-determined threshold to macro base station.
The flow chart of the interference detection method embodiment 23 that Figure 26 provides for the embodiment of the present invention, the executive agent of the present embodiment is macro base station side, and as shown in figure 26, the method for the present embodiment comprises:
Step S2601, small base station receives the sequence information of the SRS that macro base station sends and sends the configuration information of the running time-frequency resource that this SRS uses.
Step S2602, small base station determines the required SRS of detection and the PRACH resource of required detection.
Step S2603, small base station detects the SRS of subscriber equipment transmission to obtain Interference Detection information.
Step S2604, small base station sends the feedback message comprising Interference Detection information to macro base station, this feedback message comprises the Interference Detection information that small base station obtains by detecting this SRS.
This Interference Detection information comprises: the signal quality of this SRS.Small base station periodically can send the signal quality of this SRS to macro base station, or small base station sends the SRS of signal quality higher than pre-determined threshold to macro base station.
The signaling process figure of the interference detection method embodiment 24 that Figure 27 provides for the embodiment of the present invention, as shown in figure 27, the method for the present embodiment comprises:
Step S2701, macro base station sends RA to small base station and triggers Indication message.
Particularly, macro base station knows that small base station is when some resource is interfered, and determines the potential subscriber equipment that may cause interference to small base station, performs RA process to assist to carry out Interference Detection to trigger it.Such as macro base station can determine the potential subscriber equipment that may cause interference to small base station based on history schedule information or the resource location be disturbed, and triggers its execution RA.Then, macro base station will need to send RA to small base station and trigger Indication message, to notify that small base station detects one or more preamble in the execution of certain PRACH resource.
Step S2702, small base station sends RA to macro base station and triggers acknowledge message.
Particularly, small base station prepares to perform in certain PRACH resource to detect one or more preamble after receiving the RA triggering acknowledge message of macro base station transmission, and sends RA triggering acknowledge message to macro base station.
Step S2703, macro base station sends dedicated signaling activated user equipment to subscriber equipment and performs RA.
Particularly, macro base station, after the RA receiving small base station transmission triggers acknowledge message, sends dedicated signaling activated user equipment to subscriber equipment and sends dedicated preamble to perform RA process.Comprise the mark distributing to the dedicated preamble that subscriber equipment sends in this dedicated signaling, send the indication information of the PRACH resource of preamble, and trigger the object of RA, learn that to make subscriber equipment this RA is for Interference Detection.Such as, in the present embodiment, RA triggers object is other information such as uplink interference detection.Above-mentioned dedicated signaling can be a RRC information, MAC CE or physical layer signaling.Such as, can be RRC reconfiguration message, or can be physical layer PDCCH order order.
Step S2704, subscriber equipment sends dedicated preamble.
Particularly, subscriber equipment, after receiving the dedicated signaling triggering RA, is determined that RA object is that uplink interference detects, and is ready for sending special preamble.The transmitted power that subscriber equipment sends preamble can be: the through-put power of the last PUSCH or Physical Uplink Control Channel (Physical Uplink Control Channel, PUCCH), or the transmitting power can specified for macro base station.Here, the power of specifying can be prenoticed to subscriber equipment by special or broadcast by macro base station.
Step S2705, small base station sends Interference Detection information to macro base station.
Particularly, after small base station receives the dedicated preamble of subscriber equipment transmission, Interference Detection is carried out to this dedicated preamble, macro base station receives the feedback message that small base station sends, this feedback message comprises the signal quality of the preamble that small base station sends to the subscriber equipment detected by macro base station feedback, or the feedback information whether causing disturbing that small base station is determined to macro base station feedback based on the preamble detected, or small base station feeds back the feedback information whether the PRACH resource based on this preamble of transmission detected existing interference to macro base station.In addition, in some cases, such as, when multiple different preamble that has been multiple user equipment allocation in a PRACH resource is used for Interference Detection, small base station also needs the information of the PRACH resource feeding back the transmission preamble detected to macro base station, specifically identifies to help macro base station the subscriber equipment causing interference.Feedback based on small base station determines whether subscriber equipment disturbs small base station.Or this feedback message also can comprise the information whether small base station feedback user equipment disturbs.
Step S2706, macro base station sends RAR message to subscriber equipment.
Particularly, after macro base station receives the Interference Detection information of small base station transmission, determine the subscriber equipment causing interference, after determining, then macro base station can send RAR message or clear and definite RA stopping message to subscriber equipment, proceeds RA process to make this subscriber equipment or stops RA process.
Step S2707, subscriber equipment receives RAR message in the RAR window of expansion and/or after RAR lag time of expansion or RA stops message.
Particularly, subscriber equipment, after transmission dedicated preamble, performs the detection of RAR in " the RAR window of expansion ".Or, start to start RAR window and the detection performing RAR after one " lag time of expansion ".The RAR window of so-called expansion here refers to a receive window larger relative to the RAR window of existing LTE system, and the concrete time span of the RAR window of this expansion is by macro base station notifying user equipment.Here, " lag time of expansion " refer to 3 subframes than existing LTE system after start to monitor larger time of carrying out delayed monitoring RAR window time of RAR window, the lag time of this expansion is by macro base station notifying user equipment.If subscriber equipment in the RAR window of expansion (or in lag time of expansion in+RAR window) does not detect that the preamble that preamble mark in the RAR of RAR or detection and UE send identifies inconsistent, then continue to repeat to send this dedicated preamble.Here, the transmitted power repeating to send dedicated preamble can with for the first time to send preamble identical, also can difference.
Step S2708, subscriber equipment continues RA process or stops RA process.
Particularly, after subscriber equipment receives the RAR message of macro base station transmission, RA process can be proceeded, or subscriber equipment determines that RA process can terminate, and ignores the RAR message received, namely do not apply timing advance order (Timing Advance Command wherein, TAC), transmitting power control (Transmission Power Control, TPC) is ordered, the resource up and down etc. of scheduling.Or subscriber equipment terminates RA process after receiving the RA stopping message of macro base station transmission.
In addition, in step S2703, the information substitution " RA object " of " the RAR window of expansion " is increased in the dedicated signaling of the triggering RA that can send to subscriber equipment at macro base station, or increase " RAR monitors lag time " to substitute " RA object ", or increase " preamble transmitted power " substitutes " RA object ".Subscriber equipment can be allowed equally to imply and to know that performing RA is in order to uplink interference detects.
The present embodiment, on the basis based on non-competing random access procedure, macro base station sends dedicated signaling to subscriber equipment, subscriber equipment is made to send special random access preamble, after macro base station receives the Interference Detection information of small base station feedback, accidental access response message or Stochastic accessing stopping message being sent to subscriber equipment, after monitoring lag time with the accidental access response making subscriber equipment in the accidental access response window of expansion and/or to expand, receiving random access response message or Stochastic accessing stop message, the re-transmission of random access guiding of subscriber equipment owing to not receiving Stochastic accessing corresponding message and carry out can be avoided, reduce the waste to system resource, reduce load and the power consumption of subscriber equipment.
The signaling process figure of the interference detection method embodiment 25 that Figure 28 provides for the embodiment of the present invention, as shown in figure 28, the method for the present embodiment comprises:
Step S2801, small base station sends RA information distribution message to macro base station.
Particularly, the assignment information of certain dedicated preamble and PRACH resource is informed to macro base station by small base station.Send this preamble for the subscriber equipment under macro base station to assist to carry out Interference Detection.
Step S2802, macro base station sends RA information distribution message to macro base station.
Particularly, macro base station sends RA information distribution message to small base station after receiving the RA information distribution message that small base station sends, and small base station prepares position probing preamble in these PRACH resources to determine possible interference simultaneously.
Step S2803, macro base station sends dedicated signaling activated user equipment to subscriber equipment and performs RA.
Particularly, macro base station is according to certain prior information, the resource location be such as disturbed and history schedule information etc. determine possible subscriber equipment small base station being caused to interference, and the dedicated preamble and the operable PRACH resource of this subscriber equipment that then send the distribution of RRC information activated user equipment use small base station perform random access procedure.For this reason, macro base station also needs to send small base station in the configuration information of the whole PRACH resource of this carrier wave and the information generating preamble root sequence to subscriber equipment.
Step S2804, subscriber equipment sends dedicated preamble.
Particularly, UE is after receiving the RRC information triggering RA, and the Preamble root sequence information according to small base station generates preamble, and determines special preamble according to the preamble mark of RRC signaling instruction.Simultaneously, subscriber equipment also needs the PRACH resource determining to send dedicated preamble according to the PRACH resource allocation information of the small base station indicated in RRC information and the operable PRACH resource of subscriber equipment of specifying, and sends special preamble in above-mentioned PRACH resource.The transmitted power of dedicated preamble can be identical with the transmitted power of the last PUSCH or PUCCH or specified by macro base station.
Step S2805, small base station sends Interference Detection information to macro base station.
Particularly, after small base station receives the dedicated preamble of subscriber equipment transmission, Interference Detection is carried out to this dedicated preamble, macro base station receives the feedback message that small base station sends, this feedback message comprises the signal quality of the preamble that small base station sends to the subscriber equipment detected by macro base station feedback, or the feedback information whether causing disturbing that small base station is determined to macro base station feedback based on the preamble detected, or small base station feeds back the feedback information whether the PRACH resource based on this preamble of transmission detected existing interference to macro base station.In addition, in some cases, such as, when multiple different preamble that has been multiple user equipment allocation in a PRACH resource is used for Interference Detection, small base station also needs the information of the PRACH resource feeding back the transmission preamble detected to macro base station, specifically identifies to help macro base station the subscriber equipment causing interference.Feedback based on small base station determines whether subscriber equipment disturbs small base station.Or this feedback message also can comprise the information whether small base station feedback user equipment disturbs.
Step S2806, macro base station sends RAR message to subscriber equipment.
Particularly, macro base station determines the subscriber equipment causing interference, after determining after receiving the Interference Detection information of small base station transmission, then macro base station can send RAR message or clear and definite RA stopping message to subscriber equipment, stops RA process to make this subscriber equipment.
Step S2807, subscriber equipment receives RAR message in the RAR window of expansion and/or after RAR lag time of expansion or RA stops message.
Particularly, subscriber equipment, after transmission dedicated preamble, performs the detection of RAR in " the RAR window of expansion ".Or, start to start RAR window and the detection performing RAR after one " lag time of expansion ".The RAR window of so-called expansion here refers to a receive window larger relative to the RAR window of existing LTE system, and the concrete time span of the RAR window of this expansion is by macro base station notifying user equipment.Here, " lag time of expansion " refer to 3 subframes than existing LTE system after start to monitor larger time of carrying out delayed monitoring RAR window time of RAR window, the lag time of this expansion is by macro base station notifying user equipment.If subscriber equipment in the RAR window of expansion (or in lag time of expansion in+RAR window) does not detect that the preamble that preamble mark in the RAR of RAR or detection and UE send identifies inconsistent, then continue to repeat to send this dedicated preamble.Here, the transmitted power repeating to send dedicated preamble can with for the first time to send preamble identical, also can difference.
Step S2808, subscriber equipment stops RA process.
Particularly, after subscriber equipment receives the RAR message of macro base station transmission, determine that RA process can terminate, and ignore the RAR message received, namely timing advance order (Timing Advance Command, TAC) wherein is not applied, transmitting power control (Transmission Power Control, TPC) order, the resource up and down etc. of scheduling.Or subscriber equipment terminates RA process after receiving the RA stopping message of macro base station transmission.
In addition, in step S2803, the information substitution " RA object " of " the RAR window of expansion " is increased in the dedicated signaling of the triggering RA that can send to subscriber equipment at macro base station, or increase " RAR monitors lag time " to substitute " RA object ", or increase " preamble transmitted power " substitutes " RA object ".Subscriber equipment can be allowed equally to imply and to know that performing RA is in order to uplink interference detects.
In the present embodiment, the special random access preamble that the dedicated signaling that macro base station sends to subscriber equipment comprises and the PRACH resource information that transmission special random access preamble uses are small base station distribution, like this, small base station can detect the random access guiding determined in the PRACH resource determined, and without the need to macro base station, small base station is indicated, the special leading random access guiding used with small base station at random that can to avoid due to macro base station be like this user equipment allocation clashes the insecure Interference Detection caused.
Further, in embodiment illustrated in fig. 28, step S2803 can also comprise: macro base station sends special RRC message (or broadcast) to notification of user equipment small base station in the configuration information of the whole PRACH resource of this carrier wave and the information generating preamble root sequence to subscriber equipment.Here, the 2nd RA resource information can be referred to as.Macro base station is according to certain prior information, the resource location be such as disturbed and history schedule information etc. determine possible subscriber equipment small base station being caused to interference, then, macro base station sends RA trigger command (PDCCH or MAC CE) activated user equipment and perform RA in the PRACH resource of small base station, the dedicated preamble mark under the small base station distributing to subscriber equipment is comprised in this RA trigger command, the information of PRACH resource, and this preamble identifies and PRACH resource is the indication information belonging to the 2nd RA resource, such as the 2nd RA resource indicates, or this preamble ID and PRACH resource are the indication informations belonging to small base station, can determine according to preamble mark and PRACH resource information the resource that uses which base station corresponding to make subscriber equipment.Or, also can indicating RA object in trigger command, to make subscriber equipment after receiving RA trigger command, when determining RA object, determining special preamble and PRACH resource according to the root sequence information of small base station and PRACH information.
The signaling process figure of the interference detection method embodiment 26 that Figure 29 provides for the embodiment of the present invention, as shown in figure 29, the method for the present embodiment comprises:
Step S2901, macro base station sends RA to small base station and triggers Indication message.
Particularly, macro base station knows that small base station is when some resource is interfered, and determines the potential subscriber equipment that may cause interference to small base station, performs RA process to assist to carry out Interference Detection to trigger it.Such as macro base station can determine the potential subscriber equipment that may cause interference to small base station based on history schedule information or the resource location be disturbed, and triggers its execution RA.Then, macro base station will need to send RA to small base station and trigger Indication message, to notify that small base station detects one or more preamble in the execution of certain PRACH resource.
Step S2902, small base station sends RA to macro base station and triggers acknowledge message.
Particularly, small base station prepares to perform in certain PRACH resource to detect one or more preamble after receiving the RA triggering acknowledge message of macro base station transmission, and sends RA triggering acknowledge message to macro base station.
Step S2903, macro base station sends dedicated signaling activated user equipment to subscriber equipment and performs RA.
Particularly, macro base station, after the RA receiving small base station transmission triggers acknowledge message, sends dedicated signaling activated user equipment to subscriber equipment and sends dedicated preamble to perform RA process.Comprise the mark distributing to the dedicated preamble that subscriber equipment sends in this dedicated signaling, send the indication information of the PRACH resource of preamble, and trigger the object of RA, learn that to make subscriber equipment this RA is for Interference Detection.Such as, in the present embodiment, RA triggers object is other information such as uplink interference detection.Above-mentioned dedicated signaling can be a RRC information, MAC CE or physical layer signaling.Such as, can be RRC reconfiguration message, or can be physical layer PDCCH order order.
Step S2904, subscriber equipment sends dedicated preamble.
Particularly, subscriber equipment, after receiving the dedicated signaling triggering RA, is determined that RA object is that uplink interference detects, and is ready for sending special preamble.The transmitted power that subscriber equipment sends preamble can be: the through-put power of the last PUSCH or Physical Uplink Control Channel (Physical Uplink Control Channel, PUCCH), or the transmitting power can specified for macro base station.Here, the power of specifying can be prenoticed to subscriber equipment by special or broadcast by macro base station.
Step S2905, macro base station sends pseudo-RAR message to subscriber equipment.
Particularly, in first RAR window, due to macro base station and small base station straight between the delay of information transmission, macro base station probably can not obtain the Interference Detection information of small base station feedback in time, therefore, macro base station sends pseudo-RAR message to subscriber equipment in RAR window, and the preamble that uses in pseudo-RAR message mark identifies different from the preamble that subscriber equipment sends, and comprises a larger rollback value in backoff field in this pseudo-RAR message.
Step S2906, subscriber equipment retransmits dedicated preamble.
Particularly, subscriber equipment detects the RAR message that macro base station sends in RAR window, if the preamble that the preamble mark and the subscriber equipment that comprise in RAR message send identifies inconsistent, backoff value then in this RAR message of user equipment applications, and after the backoff time, the PRACH resource that macro base station is specified retransmits dedicated preamble.
Step S2907, small base station sends Interference Detection information to macro base station.
Particularly, after small base station receives the dedicated preamble of subscriber equipment transmission, Interference Detection is carried out to this dedicated preamble, macro base station receives the feedback message that small base station sends, this feedback message comprises the signal quality of the preamble that small base station sends to the subscriber equipment detected by macro base station feedback, or the feedback information whether causing disturbing that small base station is determined to macro base station feedback based on the preamble detected, or small base station feeds back the feedback information whether the PRACH resource based on this preamble of transmission detected existing interference to macro base station.In addition, in some cases, such as, when multiple different preamble that has been multiple user equipment allocation in a PRACH resource is used for Interference Detection, small base station also needs the information of the PRACH resource feeding back the transmission preamble detected to macro base station, specifically identifies to help macro base station the subscriber equipment causing interference.Feedback based on small base station determines whether subscriber equipment disturbs small base station.Or this feedback message also can comprise the information whether small base station feedback user equipment disturbs.
Step S2908, macro base station sends RAR message to subscriber equipment.
Particularly, after macro base station receives the Interference Detection information of small base station transmission, determine the subscriber equipment causing interference, after determining, then macro base station can send RAR message or clear and definite RA stopping message to subscriber equipment, proceeds RA process to make this subscriber equipment or stops RA process.
Step S2909, subscriber equipment stops RA process.
Particularly, because subscriber equipment has retransmitted dedicated preamble after the backoff time that macro base station indicates, therefore, the RAR message that macro base station sends can be received in the RAR window of subscriber equipment after re-transmission dedicated preamble.After subscriber equipment receives the RAR message of macro base station transmission, determine that RA process can terminate, and ignore the RAR message received, namely timing advance order (Timing Advance Command wherein is not applied, TAC), transmitting power control (Transmission Power Control, TPC) is ordered, the resource up and down etc. of scheduling.Or subscriber equipment terminates RA process after receiving the RA stopping message of macro base station transmission.
The present embodiment, on the basis based on non-competing random access procedure, when macro base station to be sent by dedicated signaling equipment for indicating user special leading at random after, macro base station sends pseudorandom access response message to subscriber equipment, special random access preamble is retransmitted after a preset amount of time to make subscriber equipment, after macro base station receives the Interference Detection information of the feedback that small base station sends, accidental access response message or Stochastic accessing stopping message being sent again to subscriber equipment, the re-transmission of random access guiding of subscriber equipment owing to not receiving Stochastic accessing corresponding message and carry out can be avoided like this, reduce the waste to system resource, reduce load and the power consumption of subscriber equipment.
The signaling process figure of the interference detection method embodiment 27 that Figure 30 provides for the embodiment of the present invention, as shown in figure 30, the method for the present embodiment comprises:
Step S3001, macro base station sends RA to small base station and triggers Indication message.
Particularly, macro base station knows that small base station is when some resource is interfered, and determines the potential subscriber equipment that may cause interference to small base station, performs RA process to assist to carry out Interference Detection to trigger it.Such as macro base station can determine the potential subscriber equipment that may cause interference to small base station based on history schedule information or the resource location be disturbed, and triggers its execution RA.Then, macro base station will need to send RA to small base station and trigger Indication message, to notify that small base station detects one or more preamble in the execution of certain PRACH resource.
Step S3002, small base station sends RA to macro base station and triggers acknowledge message.
Particularly, small base station prepares to perform in certain PRACH resource to detect one or more preamble after receiving the RA triggering acknowledge message of macro base station transmission, and sends RA triggering acknowledge message to macro base station.
Step S3003, macro base station sends dedicated signaling activated user equipment to subscriber equipment and performs RA.
Particularly, macro base station, after the RA receiving small base station transmission triggers acknowledge message, sends dedicated signaling activated user equipment to subscriber equipment and sends dedicated preamble to perform RA process.Comprise the mark distributing to the dedicated preamble that subscriber equipment sends in this dedicated signaling, send the indication information of the PRACH resource of preamble, and the transmission times of dedicated preamble, preferably the frequency of dedicated preamble can be once.Above-mentioned dedicated signaling can be a RRC information, MACCE or physical layer signaling.Such as, can be RRC reconfiguration message, or can be physical layer PDCCH order order.
Step S3004, subscriber equipment sends dedicated preamble.
Particularly, subscriber equipment is after receiving the dedicated signaling triggering RA, if comprise preamble transmission times indication information in this dedicated signaling, then subscriber equipment is based on the transmission of the transmission times execution dedicated preamble of instruction.If the frequency of instruction is disposable transmission, then the information of PRACH resource that indicate based on macro base station of subscriber equipment, an only transmission dedicated preamble.If the transmission times of instruction is repeatedly that then subscriber equipment can send dedicated preamble in the PRACH resource that multiple subframe is corresponding.The transmitted power that subscriber equipment sends preamble can be: the through-put power of the last PUSCH or Physical Uplink Control Channel (Physical Uplink Control Channel, PUCCH), or the transmitting power can specified for macro base station.Here, the power of specifying can be prenoticed to subscriber equipment by special or broadcast by macro base station.Subscriber equipment, after transmission times as indicated completes the transmission of dedicated preamble, is namely thought and be for successfully completing RA process.Namely, in the process of transmitting of dedicated preamble, and after dedicated preamble transmission, subscriber equipment does not start the receiving course of RAR yet.
Step S3005, small base station sends Interference Detection information to macro base station.
Particularly, after small base station receives the dedicated preamble of subscriber equipment transmission, Interference Detection is carried out to this dedicated preamble, macro base station receives the feedback message that small base station sends, this feedback message comprises the signal quality of the preamble that small base station sends to the subscriber equipment detected by macro base station feedback, or the feedback information whether causing disturbing that small base station is determined to macro base station feedback based on the preamble detected, or small base station feeds back the feedback information whether the PRACH resource based on this preamble of transmission detected existing interference to macro base station.In addition, in some cases, such as, when multiple different preamble that has been multiple user equipment allocation in a PRACH resource is used for Interference Detection, small base station also needs the information of the PRACH resource feeding back the transmission preamble detected to macro base station, specifically identifies to help macro base station the subscriber equipment causing interference.Feedback based on small base station determines whether subscriber equipment disturbs small base station.Or this feedback message also can comprise the information whether small base station feedback user equipment disturbs.
In addition, if macro base station receives " not detecting preamble's " feedback information of small base station feedback, then macro base station can reuse above-mentioned dedicated signaling activated user equipment and perform RA process, namely re-executes step S3003.
The present embodiment, macro base station sends dedicated signaling to subscriber equipment, subscriber equipment is made to send the dedicated preamble of predetermined number of times, macro base station receives the Interference Detection information of small base station feedback, the re-transmission of random access guiding of subscriber equipment owing to not receiving Stochastic accessing corresponding message and carry out can be avoided, reduce the waste to system resource, reduce load and the power consumption of subscriber equipment.
The signaling process figure of the interference detection method embodiment 28 that Figure 31 provides for the embodiment of the present invention, as shown in figure 31, the method for the present embodiment comprises:
Step S3101, small base station sends SRS information distribution message to macro base station.
Particularly, small base station, by the message notice macro base station of SRS resource certain aperiodic, sends this aperiodic SRS for the subscriber equipment under macro base station and assists to carry out Interference Detection.Here SRS resource comprises the numbering of SRS burst or SRS burst, and sends the configuration information of running time-frequency resource of this SRS.
Step S3102, macro base station sends SRS information distribution acknowledge message to small base station.
Particularly, after macro base station receives the SRS information distribution message of small base station transmission, send SRS information distribution message to small base station, then, small base station prepares to monitor possible SRS in these SRS resource aperiodic positions.
Step S3103, macro base station sends SRS to subscriber equipment and sends Trigger message.
Particularly, macro base station is according to certain prior information, the resource location be such as disturbed and history schedule information etc. determine possible subscriber equipment small base station being caused to interference, then send SRS resource aperiodic that RRC information is this small base station of user equipment allocation, and activated user equipment sends SRS resource aperiodic that this small base station distributes.This RRC comprises the transmission times of SRS aperiodic.
Step S3104, subscriber equipment sends SRS aperiodic.
Particularly, subscriber equipment is after receiving above-mentioned RRC information, and the information (or being referred to as the second SRS resource) according to the SRS resource of the small base station of notice is launched with certain power.Particularly, transmitted power can be identical with the transmitted power of the last PUSCH or PUCCH or specified by macro base station; After sending an aperiodic SRS, namely subscriber equipment stops the transmission of SRS.Or macro base station clearly indicates transmission times in RRC information, then subscriber equipment is based on the instruction of macro base station within the regular hour, repeats to send SRS.
Step S3105, small base station sends Interference Detection information to macro base station.
Particularly, SRS aperiodic that sends of the subscriber equipment of small base station under possible aperiodic SRS position probing macro base station.Macro base station receives the feedback message that small base station sends, and the feedback based on small base station determines whether subscriber equipment disturbs small base station.Or the information whether subscriber equipment directly receiving small base station feedback disturbs.This feedback message comprises the signal quality of the SRS that small base station sends to the subscriber equipment detected by macro base station feedback, or to the feedback information whether causing disturbing that macro base station feedback is determined based on the SRS detected, or to macro base station feedback based on the feedback information whether PRACH resource SRS aperiodic being detected existing interference.In addition, in some cases, such as, when multiple different SRS that has been multiple user equipment allocation in a PRACH resource is used for Interference Detection, small base station also needs the information running time-frequency resource of described SRS being detected to macro base station feedback, specifically identifies to help macro base station the subscriber equipment causing interference.Feedback based on small base station determines whether subscriber equipment disturbs small base station.Or this feedback message also can comprise the information whether small base station feedback user equipment disturbs.
In addition, if macro base station does not receive feedback information SRS not detected of small base station feedback within the regular hour, then macro base station can send SRS aperiodic by activated user equipment again, namely re-executes step S3103.
The present embodiment, macro base station sends dedicated signaling to subscriber equipment, subscriber equipment is made to send SRS aperiodic of predetermined number of times, macro base station receives the Interference Detection information of small base station feedback, the transmission times of aperiodic Sounding Reference Signal can be reduced, reduce the waste to system resource, reduce load and the power consumption of subscriber equipment.
Further, in Figure 31 illustrated embodiment, step S3103 can also comprise: macro base station first by RRC information send small base station distribute aperiodic SRS resource information to subscriber equipment, (or being referred to as the second SRS resource), and then use MAC CE or PDCCH signaling activated user equipment to send SRS aperiodic of small base station distribution.
The signaling process figure of the interference detection method embodiment 29 that Figure 32 provides for the embodiment of the present invention, as shown in figure 32, the method for the present embodiment comprises:
Step S3201, small base station sends RA information distribution message to macro base station.
Particularly, macro base station sends to small base station and distributes RA information distribution message, and the configuration information of the part or all of PRACH on its Serving cell and the root sequence information of part or all of Preamble are sent to small base station.Such small base station just can determine the preamble needing to detect and the information needing to carry out the PRACH running time-frequency resource detected according to root sequence.
Step S3202, small base station sends RA information distribution acknowledge message to macro base station.
Particularly, small base station, after receiving the RA resource allocation information of macro base station, replys RA information distribution acknowledge message to macro base station.
Step S3203, macro base station sends RA Trigger message to subscriber equipment.
Particularly, macro base station is according to certain prior information, and the resource location be such as disturbed and history schedule information etc. determine possible subscriber equipment small base station being caused to interference, then sends RA Trigger message to subscriber equipment.
Step S3204, subscriber equipment sends dedicated preamble.
Particularly, after the message that the RA triggering that subscriber equipment receives macro base station transmission is correlated with, send special preamble, or subscriber equipment self triggers random access procedure, send the preamble of Stochastic choice.
Step S3205, small base station sends Interference Detection information to macro base station.
Particularly, small base station detects the preamble that subscriber equipment sends in all possible PRACH resource, and by information feed back such as the signal quality of preamble and preamble that detects and the positions of PRACH to macro base station.Small base station periodically can feed back a list to macro base station, and in the list, the signal quality information of all preamble detected in all possible PRACH resource notified before macro base station is notified macro base station by small base station.Or small base station can based on certain thresholding, by Preamble(or Preamble of the signal quality in detected preamble higher than thresholding and the signal quality of preamble) and PRACH resource information feed back to macro base station.Such as, or small base station also event can trigger ground to macro base station feedback, when the interference level that small base station receives is higher than certain thresholding, just feeds back the signal quality of the Peamble detected to macro base station.Macro base station, based on the report of small base station, according to the subscriber equipment sending Preamble, determines the possible subscriber equipment causing interference, this subscriber equipment is switched to other carrier waves, or the method taking other interference to evade is dispatched this subscriber equipment.
The present embodiment, first small base station receives the RA information distribution message that macro base station sends, then the PRACH resource that small base station distributes at macro base station detects the preamble that macro base station distributes, thus complete Interference Detection process, insecure Interference Detection that the signal avoided due to small base station and macro base station produces interference and causes.
The signaling process figure of the interference detection method embodiment 30 that Figure 33 provides for the embodiment of the present invention, as shown in figure 33, the method for the present embodiment comprises:
Step S3301, small base station sends SRS information distribution message to macro base station.
Particularly, macro base station sends to small base station and distributes SRS formation indication message, and the configuration information of the part or all of SRS on its Serving cell and the sequence information of part or all of SRS are sent to small base station.
Step S3302, small base station sends SRS information distribution acknowledge message to macro base station.
Particularly, small base station, after receiving the SRS resource assignment information of macro base station, replys SRS information distribution acknowledge message to macro base station.
Step S3303, macro base station sends SRS to subscriber equipment and sends Trigger message.
Particularly, macro base station is according to certain prior information, and the resource location be such as disturbed and history schedule information etc. determine possible subscriber equipment small base station being caused to interference, then sends SRS to subscriber equipment and sends Trigger message.
Step S3304, subscriber equipment sends SRS.
Particularly, subscriber equipment sends aperiodic SRS signal, or after the SRS transmission of subscriber equipment self activation period, sends periodic SRS after receiving SRS transmission order aperiodic of macro base station transmission.
Step S3305, small base station sends Interference Detection information to macro base station.
Particularly, small base station detects cycle and/or the aperiodic SRS that UE sends on all possible running time-frequency resource, and by information feed back such as the signal quality of SRS and SRS that detects and SRS time-frequency location to macro base station.Small base station periodically can feed back a list to macro base station, and in the list, the signal quality information of the signal of SRS detected in all possible SRS resource notified before macro base station is notified macro base station by small base station.Or small base station can based on certain thresholding, by SRS(or SRS of the signal quality in detected SRS higher than thresholding and the signal quality of SRS) and SRS resource information feed back to macro base station.Such as, or small base station also event can trigger ground to macro base station feedback, when the interference level that small base station receives is higher than certain thresholding, just feeds back the signal quality of the SRS detected to macro base station.Macro base station, based on the report of small base station, according to the subscriber equipment sending SRS, determines the possible subscriber equipment causing interference, this subscriber equipment is switched to other carrier waves, or the method taking other interference to evade is dispatched this subscriber equipment.
The present embodiment, first small base station receives the SRS information distribution message that macro base station sends, then the running time-frequency resource that small base station distributes at macro base station detects the SRS that macro base station distributes, thus complete Interference Detection process, insecure Interference Detection that the signal avoided due to small base station and macro base station produces interference and causes.
The structural representation of the macro base station embodiment one that Figure 34 provides for the embodiment of the present invention, as shown in figure 34, the macro base station of the present embodiment comprises:
Signaling sending module 341, for sending dedicated signaling to subscriber equipment, send special random access preamble to trigger described subscriber equipment, described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble.
Feedback message receiver module 342, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment.
Response message sending module 343, for stopping message to described subscriber equipment transmission accidental access response message or Stochastic accessing, after monitoring lag time with the accidental access response making described subscriber equipment in the accidental access response window of expansion and/or to expand, receive described accidental access response message or described Stochastic accessing stopping message.
The macro base station of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Fig. 4, and it realizes principle and technique effect is similar, repeats no more herein.
The structural representation of the macro base station embodiment two that Figure 35 provides for the embodiment of the present invention, as shown in figure 35, the macro base station of the present embodiment, on the basis of Figure 34, also comprises:
Triggering instruction sending module 344, triggering Indication message for sending Stochastic accessing to described small base station, to notify that described small base station detects the special random access preamble of described subscriber equipment transmission.
Further, Figure 34 and embodiment illustrated in fig. 3 in, also comprise in described dedicated signaling: the accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble, does not apply the information in described accidental access response message to make described subscriber equipment after receiving described accidental access response message.Information in described accidental access response message, comprising: timing advance order, at least one in the resource up and down of power control command, scheduling.
Further, Figure 34 and embodiment illustrated in fig. 3 in, described Interference Detection information, comprising: the signal quality of described special random access preamble; Or whether described special random access preamble produces the information that there is interference; Or whether described PRACH resource produces the information that there is interference; Or whether described subscriber equipment produces the information of interference.
The structural representation of the macro base station embodiment three that Figure 36 provides for the embodiment of the present invention, as shown in figure 36, the macro base station of the present embodiment, on the basis of Figure 35, also comprises:
Asset information receipt module 345, for receiving the special random access preamble and the assignment information of PRACH resource that described small base station sends.
Signaling sending module 341, specifically for sending dedicated signaling to subscriber equipment, send described special random access preamble to trigger described subscriber equipment, described dedicated signaling comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource; Or send radio resource control information to described subscriber equipment, described radio resource control information comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource; Send media interviews to described subscriber equipment and control MAC Control Element information or Physical Downlink Control Channel information, the described PRACH resource using described small base station to distribute to trigger described subscriber equipment sends the described special random access preamble that described small base station distributes.
The macro base station of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Fig. 5, and it realizes principle and technique effect is similar, repeats no more herein.
The structural representation of the small base station embodiment one that Figure 37 provides for the embodiment of the present invention, as shown in figure 37, the small base station of the present embodiment comprises:
Interference detection module 371, for detecting the special random access preamble of subscriber equipment transmission to obtain Interference Detection information, described special random access preamble is that macro base station triggers the transmission of described subscriber equipment to described subscriber equipment transmission dedicated signaling, and described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble.
Feedback information sending module 372, for sending the feedback message comprising described Interference Detection information to described macro base station, send accidental access response message to make described macro base station to described subscriber equipment or Stochastic accessing stops message, and make described subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor lag time after receive described accidental access response message or described Stochastic accessing stops message.
The small base station of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Fig. 7, and it realizes principle and technique effect is similar, repeats no more herein.
The structural representation of the small base station embodiment two that Figure 38 provides for the embodiment of the present invention, as shown in figure 38, the small base station of the present embodiment, on the basis of Figure 37, also comprises:
Trigger instruction receiver module 373, the Stochastic accessing sent for receiving described macro base station triggers Indication message.
Trigger instruction respond module 374, for sending Stochastic accessing triggered response message, to start to detect described special random access preamble to described macro base station.
The small base station of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Fig. 8, and it realizes principle and technique effect is similar, repeats no more herein.
Further, in Figure 37 and Figure 38 illustrated embodiment, described Interference Detection information, comprising: the signal quality of described special random access preamble; Or whether described special random access preamble produces the information that there is interference; Or whether described PRACH resource produces the information that there is interference; Or whether described subscriber equipment produces the information of interference.
The structural representation of the small base station embodiment three that Figure 39 provides for the embodiment of the present invention, as shown in figure 39, the small base station of the present embodiment, on the basis of Figure 38, also comprises:
Resource information sending module 375, for sending the assignment information of special random access preamble and PRACH resource to described macro base station.
The structural representation of the subscriber equipment embodiment one that Figure 40 provides for the embodiment of the present invention, as shown in figure 40, the subscriber equipment of the present embodiment comprises:
Signaling receiver module 401, for receiving the dedicated signaling that macro base station sends, described dedicated signaling comprises the mark of special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble.
Stochastic accessing sending module 402, sends described special random access preamble for using described PRACH resource.
Accidental access response receiver module 403, for described subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor and to receive accidental access response message that described macro base station sends after lag time or described Stochastic accessing stops message.
The subscriber equipment of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Fig. 9, and it realizes principle and technique effect is similar, repeats no more herein.
Further, Stochastic accessing sending module 402, if also for described subscriber equipment in the accidental access response window of described expansion and/or the accidental access response of described expansion monitor and not receive accidental access response message that described macro base station sends after lag time or described Stochastic accessing stops message, then resend described special random access preamble.
Further, Stochastic accessing sending module 402, sends described special random access preamble specifically for using the through-put power of the last Physical Uplink Shared Channel or physical uplink control information; Or the power using described macro base station to specify sends described special random access preamble.
Further, in Figure 40 illustrated embodiment, also comprise in described dedicated signaling: the accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble; Information in described accidental access response message comprises: timing advance order, at least one in the resource up and down of power control command, scheduling; Accidental access response receiver module 403, also for not applying the information in described accidental access response message after receiving described accidental access response message.
Further, signaling receiver module 401, specifically for receiving the dedicated signaling that described macro base station sends, described dedicated signaling sends described special random access preamble for triggering described subscriber equipment, and described dedicated signaling comprise that described small base station distributes described special random access preamble and the information of described PRACH resource; Or receive the radio resource control information that described macro base station sends, described radio resource control information comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource; Receive MAC Control Element information or the Physical Downlink Control Channel information of the transmission of described macro base station, described MAC Control Element information or Physical Downlink Control Channel information send described special random access preamble for triggering described subscriber equipment.
The structural representation of the macro base station embodiment four that Figure 41 provides for the embodiment of the present invention, as shown in figure 41, the macro base station of the present embodiment comprises:
Signaling sending module 411, for sending dedicated signaling to subscriber equipment, send special random access preamble to trigger described subscriber equipment, described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble.
Response message sending module 412, for sending pseudorandom access response message to described subscriber equipment, to make described subscriber equipment according to described pseudorandom access response message, described special random access preamble is retransmitted after Preset Time, described pseudorandom access response message comprises pseudo-special random access preamble, and the mark of described pseudo-special random access preamble is different from the mark of described special random access preamble.
Feedback message receiver module 413, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment.
Response message sending module 412, also for sending accidental access response message or Stochastic accessing stopping message to described subscriber equipment.
The macro base station of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Figure 10, and it realizes principle and technique effect is similar, repeats no more herein.
Further, response message sending module 412, specifically for sending the pseudorandom access response message comprising rollback value to described subscriber equipment, to make described subscriber equipment according to described pseudorandom access response message, described special random access preamble is retransmitted after the time that described rollback value is corresponding, or the described special random access preamble of re-transmission sometime before the time that described in Stochastic choice, rollback value is corresponding.
Further, in Figure 41 illustrated embodiment, also comprise in described dedicated signaling: the accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble, does not apply the information in described accidental access response message to make described subscriber equipment after receiving described accidental access response message.Information in described accidental access response message, comprising: timing advance order, at least one in the resource up and down of power control command, scheduling.
Further, in Figure 41 illustrated embodiment, described dedicated signaling comprises radio resource control information, MAC Control Element information or Physical Downlink Control Channel information.Described Interference Detection information, comprising: the signal quality of described special random access preamble; Or whether described special random access preamble produces the information that there is interference; Or whether described PRACH resource produces the information that there is interference; Or whether described subscriber equipment produces the information of interference.
The structural representation of the subscriber equipment embodiment two that Figure 42 provides for the embodiment of the present invention, as shown in figure 42, the subscriber equipment of the present embodiment comprises:
Signaling receiver module 421, for receiving the dedicated signaling that macro base station sends, described dedicated signaling comprises the mark of special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble.
Stochastic accessing sending module 422, sends described special random access preamble for using described PRACH resource.
Accidental access response receiver module 423, for receiving the pseudorandom access response message that described macro base station sends, described pseudorandom access response message comprises pseudo-special random access preamble and described pseudorandom access response message comprises rollback value, and the mark of described pseudo-special random access preamble is different from the mark of described special random access preamble.
Stochastic accessing sending module 422, also for after the described rollback value time, retransmits described special random access preamble, or the described special random access preamble of re-transmission sometime before the time that described in Stochastic choice, rollback value is corresponding.
The subscriber equipment of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Figure 11, and it realizes principle and technique effect is similar, repeats no more herein.
Further, Stochastic accessing sending module 422, sends described special random access preamble specifically for using the through-put power of the last Physical Uplink Shared Channel or physical uplink control information; Or the power using described macro base station to specify sends described special random access preamble.
Further, in Figure 42 illustrated embodiment, also comprise in described dedicated signaling: the accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble.Information in described accidental access response message comprises: timing advance order, at least one in the resource up and down of power control command, scheduling.Accidental access response receiver module 423, also for not applying the information in described accidental access response message after receiving described accidental access response message.
The structural representation of the macro base station embodiment five that Figure 43 provides for the embodiment of the present invention, as shown in figure 43, the macro base station of the present embodiment comprises:
Signaling sending module 431, for sending dedicated signaling to subscriber equipment, send Interference Detection auxiliary signal to trigger described subscriber equipment, described dedicated signaling comprises the identification information of described Interference Detection auxiliary signal, sends the transmission times of running time-frequency resource configuration information that described Interference Detection auxiliary signal uses and described Interference Detection auxiliary signal.
Feedback message receiver module 432, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
The macro base station of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Figure 12, and it realizes principle and technique effect is similar, repeats no more herein.
The structural representation of the macro base station embodiment six that Figure 44 provides for the embodiment of the present invention, as shown in figure 44, the macro base station of the present embodiment, on the basis of Figure 43, also comprises:
Triggering instruction sending module 433, triggering Indication message, to notify that described small base station detects described special random access preamble for sending Stochastic accessing to described small base station.
Signaling sending module 431, specifically for sending dedicated signaling to subscriber equipment, with trigger described subscriber equipment send special random access preamble, described dedicated signaling comprise described special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble.
Feedback message receiver module 432, specifically for receiving the feedback message that described small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment.
The macro base station of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Figure 13, and it realizes principle and technique effect is similar, repeats no more herein.
Further, in Figure 44 illustrated embodiment, described dedicated signaling also comprises indication information, with the receiving course making described subscriber equipment not start accidental access response message.Described indication information, comprising: the triggering object of Stochastic accessing or the transmission times of described special random access preamble.
Further, in Figure 44 illustrated embodiment, described dedicated signaling comprises radio resource control information, physical layer control unit information or Physical Downlink Control Channel information.Described Interference Detection information, comprising: the signal quality of described special random access preamble; Or whether described special random access preamble produces the information that there is interference; Or whether described PRACH resource produces the information that there is interference; Or whether described subscriber equipment produces the information of interference.
The structural representation of the macro base station embodiment seven that Figure 45 provides for the embodiment of the present invention, as shown in figure 45, the macro base station of the present embodiment, on the basis of Figure 43, also comprises:
Asset information receipt module 434, for receive that described small base station sends described aperiodic SRS sequence or aperiodic SRS sequence numbering, described aperiodic SRS PRACH resource allocation information and described aperiodic SRS transmission times.
Signaling sending module 431, specifically for sending radio resource control information to subscriber equipment, send non-periodic channel detection reference signal SRS to trigger described subscriber equipment, described radio resource control information comprise described aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending SRS described aperiodic and described aperiodic SRS transmission times.
Described feedback message receiver module 432, specifically for receiving the feedback message that described small base station sends, described feedback message comprises the Interference Detection information that aperiodic, SRS obtained that described small base station sends by detecting described subscriber equipment.
The macro base station of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Figure 14, and it realizes principle and technique effect is similar, repeats no more herein.
Further, in Figure 45 illustrated embodiment, described Interference Detection information, comprising: described aperiodic SRS signal quality; Or described aperiodic, whether SRS produced the information that there is interference; Or described aperiodic, whether the running time-frequency resource of SRS produced the information that there is interference; Or whether described subscriber equipment produces the information of interference.
The structural representation of the macro base station embodiment eight that Figure 46 provides for the embodiment of the present invention, as shown in figure 46, the macro base station of the present embodiment, on the basis of Figure 43, also comprises:
Resource information sending module 435, for sending dedicated radio resources control message to described subscriber equipment, described dedicated radio resources control message comprises that described small base station distributes described aperiodic SRS sequence or aperiodic SRS sequence numbering and described aperiodic SRS running time-frequency resource configuration information; Described macro base station sends MAC Control Element information or Physical Downlink Control Channel information to described subscriber equipment, with trigger that described subscriber equipment uses described small base station to distribute described aperiodic SRS the running time-frequency resource SRS described aperiodic that sends that described small base station distributes, described MAC Control Element information or Physical Downlink Control Channel information comprise the transmission times of SRS described aperiodic.
The structural representation of the small base station embodiment four that Figure 47 provides for the embodiment of the present invention, as shown in figure 47, the small base station of the present embodiment comprises:
Interference detection module 471, for detecting the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information, to be described macro base station send dedicated signaling to described subscriber equipment to described Interference Detection auxiliary signal triggers that described subscriber equipment sends, described dedicated signaling comprise described Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal.
Feedback information sending module 472, for sending the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
The small base station of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Figure 15, and it realizes principle and technique effect is similar, repeats no more herein.
The structural representation of the small base station embodiment five that Figure 48 provides for the embodiment of the present invention, as shown in figure 48, the small base station of the present embodiment, on the basis of Figure 47, also comprises:
Trigger instruction receiver module 473, the Stochastic accessing sent for receiving described macro base station triggers Indication message, and described Stochastic accessing triggers Indication message and is used for notifying that described small base station detects described special random access preamble.
Interference detection module 471, specifically for detecting the special random access preamble of described subscriber equipment transmission to obtain Interference Detection information, to be described macro base station send dedicated signaling to described subscriber equipment to described special random access preamble triggers that described subscriber equipment sends, described dedicated signaling comprise described special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble.
Feedback information sending module 472, specifically for sending the feedback message comprising described Interference Detection information to macro base station, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment.
The small base station of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Figure 16, and it realizes principle and technique effect is similar, repeats no more herein.
Further, in Figure 48 illustrated embodiment, described Interference Detection information, comprising: the signal quality of described special random access preamble; Or whether described special random access preamble produces the information that there is interference; Or whether described PRACH resource produces the information that there is interference; Or whether described subscriber equipment produces the information of interference.
The structural representation of the small base station embodiment six that Figure 49 provides for the embodiment of the present invention, as shown in figure 49, the small base station of the present embodiment, on the basis of Figure 47, also comprises:
Resource information sending module 474, for send to described macro base station described aperiodic SRS sequence or aperiodic SRS sequence numbering, described aperiodic SRS PRACH resource allocation information and described aperiodic SRS transmission times.
Interference detection module 471, specifically for detecting the non-periodic channel detection reference signal SRS of described subscriber equipment transmission to obtain Interference Detection information, to be described macro base station send radio resource control information to described subscriber equipment to described non-periodic channel detection reference signal SRS triggers that described subscriber equipment sends, described radio resource control information comprise described aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending SRS described aperiodic and described aperiodic SRS transmission times.
Feedback information sending module 472, specifically for sending the feedback message comprising described Interference Detection information to macro base station, described feedback message comprises the Interference Detection information that aperiodic, SRS obtained that described small base station sends by detecting described subscriber equipment.
The small base station of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Figure 17, and it realizes principle and technique effect is similar, repeats no more herein.
Further, in Figure 49 illustrated embodiment, described Interference Detection information, comprising: described aperiodic SRS signal quality; Or described aperiodic, whether SRS produced the information that there is interference; Or described aperiodic, whether the running time-frequency resource of SRS produced the information that there is interference; Or whether described subscriber equipment produces the information of interference.
The structural representation of the subscriber equipment embodiment three that Figure 50 provides for the embodiment of the present invention, as shown in figure 50, the subscriber equipment of the present embodiment comprises:
Signaling receiver module 501, for receive macro base station send dedicated signaling, described dedicated signaling comprise Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal.
Auxiliary signal sending module 502, running time-frequency resource for using described transmission described Interference Detection auxiliary signal to use sends described Interference Detection auxiliary signal, to make the small base station receiving described Interference Detection auxiliary signal send feedback message to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal.
The subscriber equipment of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Figure 18, and it realizes principle and technique effect is similar, repeats no more herein.
In a kind of implementation of Figure 50 illustrated embodiment, signaling receiver module 501, specifically for receive described macro base station send dedicated signaling, described dedicated signaling comprise special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble.Auxiliary signal sending module 502, described special random access preamble is sent specifically for using the PRACH resource of the described special random access preamble of described transmission, to make the described small base station receiving described special random access preamble send feedback message to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described special random access preamble.The subscriber equipment of this implementation is for realizing the technical scheme of embodiment of the method shown in Figure 19, and it realizes principle and technique effect is similar, repeats no more herein.
Further, in above-mentioned implementation, signaling receiver module 501, also for receiving the described dedicated signaling that described macro base station resends.Auxiliary signal sending module 502, also for resending described special random access preamble.Further, auxiliary signal sending module 502, sends described special random access preamble specifically for using the through-put power of the last Physical Uplink Shared Channel or physical uplink control information; Or the power using described macro base station to specify sends described special random access preamble.Described dedicated signaling also comprises indication information, with the receiving course making described subscriber equipment not start accidental access response message.Described indication information, comprising: the triggering object of Stochastic accessing or the transmission times of described special random access preamble.Described Interference Detection information, comprising: the signal quality of described special random access preamble; Or whether described special random access preamble produces the information that there is interference; Or whether described PRACH resource produces the information that there is interference; Or whether described subscriber equipment produces the information of interference.
In the another kind of implementation of Figure 50 illustrated embodiment, signaling receiver module 501, specifically for receiving the dedicated signaling that described macro base station sends, described dedicated signaling comprise aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending SRS described aperiodic and described aperiodic SRS transmission times.Auxiliary signal sending module 502, specifically for using the PRACH resource of described transmission SRS described aperiodic transmission SRS described aperiodic, send feedback message with the described small base station making to receive SRS described aperiodic to described macro base station, described feedback message comprises described small base station by the detection Interference Detection information that described aperiodic, SRS obtained.The subscriber equipment of this implementation is for realizing the technical scheme of embodiment of the method shown in Figure 20, and it realizes principle and technique effect is similar, repeats no more herein.
Further, in above-mentioned implementation, signaling receiver module 501, also for receiving the described radio resource control information that described macro base station resends.Auxiliary signal sending module 502, also for resending SRS described aperiodic.Described Interference Detection information, comprising: described aperiodic SRS signal quality; Or described aperiodic, whether SRS produced the information that there is interference; Or described aperiodic, whether the PRACH resource of SRS produced the information that there is interference; Or whether described subscriber equipment produces the information of interference.
The structural representation of the macro base station embodiment nine that Figure 51 provides for the embodiment of the present invention, as shown in figure 51, the macro base station of the present embodiment comprises:
Resource information sending module 511, for sending the identification information of Interference Detection auxiliary signal to small base station and sending the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses, determine the required Interference Detection auxiliary signal of detection and the running time-frequency resource information of required detection to make described small base station.
Feedback message receiver module 512, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
The macro base station of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Figure 21, and it realizes principle and technique effect is similar, repeats no more herein.
Further, resource information sending module 511, specifically for sending the root sequence information of special random access preamble to small base station and sending described random access guiding institute and use the configuration information of PRACH resource, determine the required special random access preamble of detection and the PRACH resource of required detection to make described small base station; Or send the sequence information of SRS to small base station and send the configuration information of the running time-frequency resource that described SRS uses, determining the required SRS of detection and the running time-frequency resource of required detection to make described small base station.Feedback message receiver module 512, specifically for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment; Or receive the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the SRS detecting the transmission of described subscriber equipment.
Further, in Figure 51 illustrated embodiment, described Interference Detection information comprises: the signal quality of described special random access preamble, or the signal quality of described SRS.
The structural representation of the small base station embodiment seven that Figure 52 provides for the embodiment of the present invention, as in figure 52, the small base station of the present embodiment comprises:
Asset information receipt module 521, for receiving the identification information of the Interference Detection auxiliary signal that macro base station sends and sending the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses.
Interference Detection determination module 522, for determining the required Interference Detection auxiliary signal of detection and the running time-frequency resource of required detection.
Interference detection module 521, for detecting the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information.
Feedback information sending module 524, for sending the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal.
The small base station of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Figure 24, and it realizes principle and technique effect is similar, repeats no more herein.
Further, asset information receipt module 521, specifically for receive the random access guiding that macro base station sends root sequence information and send described random access guiding use the configuration information of PRACH resource; Or receive the sequence information of the SRS that macro base station sends and send the configuration information of the running time-frequency resource that described SRS uses.Interference Detection determination module 522, specifically for determining the required random access guiding of detection and the PRACH resource of required detection; Or determine the required SRS of detection and the PRACH resource of required detection.Interference detection module 523, specifically for detecting the random access guiding of subscriber equipment transmission to obtain Interference Detection information; Or detect the SRS of subscriber equipment transmission to obtain Interference Detection information.Feedback information sending module 524, specifically for sending the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described random access guiding; Or send the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described SRS.
Further, in Figure 52 illustrated embodiment, described Interference Detection information comprises: the signal quality of described random access guiding, or the signal quality of described SRS.
Further, feedback information sending module 524, specifically for periodically sending the signal quality of described random access guiding to described macro base station, or sends the random access guiding of signal quality higher than pre-determined threshold to described macro base station; Or periodically send the signal quality of described SRS to described macro base station, or send the SRS of signal quality higher than pre-determined threshold to described macro base station.
The structural representation of the Interference Detection system embodiment one that Figure 53 provides for the embodiment of the present invention, as shown in Figure 53, the Interference Detection system of the present embodiment comprises:
Macro base station 531 and small base station 532.
Any one macro base station that macro base station 531 can provide for the embodiment of the present invention, any one small base station that small base station 532 can provide for the embodiment of the present invention.
The hardware configuration schematic diagram of the macro base station embodiment ten that Figure 54 provides for the embodiment of the present invention, as shown in Figure 54, the macro base station of the present embodiment comprises: transmitter 541, receiver 542, processor 543.Optionally, this macro base station can also comprise memory 544.Wherein, transmitter 541, receiver 542, processor 543 can be connected by system bus or other modes with memory 544, are connected to example in Figure 54 with system bus; System bus can be isa bus, pci bus or eisa bus etc.Described system bus can be divided into address bus, data/address bus, control bus etc.For ease of representing, only representing with a line in Figure 54, but not representing the bus only having a bus or a type.
Transmitter 541, for sending dedicated signaling to subscriber equipment, send special random access preamble to trigger described subscriber equipment, described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble.
Receiver 542, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment.
Transmitter 541, also for stopping message to described subscriber equipment transmission accidental access response message or Stochastic accessing, after monitoring lag time with the accidental access response making described subscriber equipment in the accidental access response window of expansion and/or to expand, receive described accidental access response message or described Stochastic accessing stopping message.
Data after process for the treatment of the data that receiver 542 receives, and are sent by transmitter 541 by processor 543.
Memory 544, for storing the information that receiver 542 receives, and the data that storage of processor 543 processes.
The subscriber equipment of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Fig. 4, and it realizes principle and technique effect is similar, repeats no more herein.
Further, in Figure 54 illustrated embodiment, transmitter 541, also triggers Indication message for sending Stochastic accessing to described small base station, to notify that described small base station detects the special random access preamble of described subscriber equipment transmission.
Further, in Figure 54 illustrated embodiment, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble, does not apply the information in described accidental access response message to make described subscriber equipment after receiving described accidental access response message;
Information in described accidental access response message, comprising:
Timing advance order, at least one in the resource up and down of power control command, scheduling.
Further, in Figure 54 illustrated embodiment, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
Further, in Figure 54 illustrated embodiment, receiver 541, also for receiving the special random access preamble and the assignment information of PRACH resource that described small base station sends; Transmitter 542, specifically for sending dedicated signaling to subscriber equipment, send described special random access preamble to trigger described subscriber equipment, described dedicated signaling comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource; Or send radio resource control information to described subscriber equipment, described radio resource control information comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource; Send media interviews to described subscriber equipment and control MAC Control Element information or Physical Downlink Control Channel information, the described PRACH resource using described small base station to distribute to trigger described subscriber equipment sends the described special random access preamble that described small base station distributes.
The hardware configuration schematic diagram of the small base station embodiment four that Figure 55 provides for the embodiment of the present invention, as shown in fig. 55, the small base station of the present embodiment comprises: processor 551, transmitter 552, receiver 553.Optionally, this small base station can also comprise memory 554.Wherein, processor 551, transmitter 552, receiver 553 can be connected by system bus or other modes with memory 554, are connected to example in Figure 55 with system bus; System bus can be isa bus, pci bus or eisa bus etc.Described system bus can be divided into address bus, data/address bus, control bus etc.For ease of representing, only representing with a line in Figure 55, but not representing the bus only having a bus or a type.
Processor 551, for detecting the special random access preamble of subscriber equipment transmission to obtain Interference Detection information, described special random access preamble is that macro base station triggers the transmission of described subscriber equipment to described subscriber equipment transmission dedicated signaling, and described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble.
Transmitter 552, for sending the feedback message comprising the described Interference Detection information that processor obtains to described macro base station, send accidental access response message to make described macro base station to described subscriber equipment or Stochastic accessing stops message, and make described subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor lag time after receive described accidental access response message or described Stochastic accessing stops message.
Receiver 553, for receiving the data that other equipment sends.
Memory 554, for storing the information that receiver 553 receives, and the data that storage of processor 551 processes.
The subscriber equipment of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Fig. 7, and it realizes principle and technique effect is similar, repeats no more herein.
Further, in Figure 55 illustrated embodiment, receiver 553, the Stochastic accessing sent for receiving described macro base station triggers Indication message;
Transmitter 552, also for sending Stochastic accessing triggered response message, to start to detect described special random access preamble to described macro base station.
Further, in Figure 55 illustrated embodiment, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
Further, in Figure 55 illustrated embodiment, transmitter 552, also for sending the assignment information of special random access preamble and PRACH resource to described macro base station.
The hardware configuration schematic diagram of the subscriber equipment embodiment four that Figure 56 provides for the embodiment of the present invention, as shown by the circuit diagram of figure 56, the subscriber equipment of the present embodiment comprises: receiver 561, transmitter 562, processor 563.Optionally, this subscriber equipment can also comprise memory 564.Wherein, receiver 561, transmitter 562, processor 563 can be connected by system bus or other modes with memory 564, are connected to example in Figure 56 with system bus; System bus can be isa bus, pci bus or eisa bus etc.Described system bus can be divided into address bus, data/address bus, control bus etc.For ease of representing, only representing with a line in Figure 56, but not representing the bus only having a bus or a type.
Receiver 561, for receiving the dedicated signaling that macro base station sends, described dedicated signaling comprises the mark of special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Transmitter 562, sends described special random access preamble for using described PRACH resource;
Receiver 561, also in the accidental access response window of expansion and/or the accidental access response of expansion monitor and to receive accidental access response message that described macro base station sends after lag time or described Stochastic accessing stops message.
Data after process for the treatment of the data that receiver 561 receives, and are sent by transmitter 562 by processor 563.
Memory 564, for storing the information that receiver 561 receives, and the data that storage of processor 563 processes.
The subscriber equipment of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Fig. 9, and it realizes principle and technique effect is similar, repeats no more herein.
Further, in Figure 56 illustrated embodiment, transmitter 562, if also for described subscriber equipment in the accidental access response window of described expansion and/or the accidental access response of described expansion monitor and not receive accidental access response message that described macro base station sends after lag time or described Stochastic accessing stops message, then resend described special random access preamble.
Further, in Figure 56 illustrated embodiment, transmitter 562, sends described special random access preamble specifically for using the through-put power of the last Physical Uplink Shared Channel or physical uplink control information; Or the power using described macro base station to specify sends described special random access preamble.
Further, in Figure 56 illustrated embodiment, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble;
Information in described accidental access response message comprises:
Timing advance order, at least one in the resource up and down of power control command, scheduling;
Described receiver, also for not applying the information in described accidental access response message after receiving described accidental access response message.
Further, in Figure 56 illustrated embodiment, receiver 561, specifically for receiving the dedicated signaling that described macro base station sends, described dedicated signaling sends described special random access preamble for triggering described subscriber equipment, and described dedicated signaling comprise that described small base station distributes described special random access preamble and the information of described PRACH resource; Or receive the radio resource control information that described macro base station sends, described radio resource control information comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource; Receive MAC Control Element information or the Physical Downlink Control Channel information of the transmission of described macro base station, described MAC Control Element information or Physical Downlink Control Channel information send described special random access preamble for triggering described subscriber equipment.
The hardware configuration schematic diagram of the macro base station embodiment 11 that the embodiment of the present invention provides as shown in Figure 54, wherein:
Transmitter 541, for sending dedicated signaling to subscriber equipment, send special random access preamble to trigger described subscriber equipment, described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble; Pseudorandom access response message is sent to described subscriber equipment, to make described subscriber equipment according to described pseudorandom access response message, described special random access preamble is retransmitted after Preset Time, described pseudorandom access response message comprises pseudo-special random access preamble, and the mark of described pseudo-special random access preamble is different from the mark of described special random access preamble;
Receiver 542, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment;
Transmitter 541, also for sending accidental access response message or Stochastic accessing stopping message to described subscriber equipment.
The subscriber equipment of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Figure 10, and it realizes principle and technique effect is similar, repeats no more herein.
Further, in macro base station illustrated embodiment 11, transmitter 541, specifically for sending the pseudorandom access response message comprising rollback value to described subscriber equipment, to make described subscriber equipment according to described pseudorandom access response message, described special random access preamble is retransmitted after the time that described rollback value is corresponding, or the described special random access preamble of re-transmission sometime before the time that described in Stochastic choice, rollback value is corresponding.
Further, in macro base station illustrated embodiment 11, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble, does not apply the information in described accidental access response message to make described subscriber equipment after receiving described accidental access response message;
Information in described accidental access response message, comprising:
Timing advance order, at least one in the resource up and down of power control command, scheduling.
Further, in macro base station illustrated embodiment 11, described dedicated signaling comprises radio resource control information, MAC Control Element information or Physical Downlink Control Channel information;
Described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
The hardware configuration schematic diagram of the subscriber equipment embodiment five that the embodiment of the present invention provides as shown by the circuit diagram of figure 56, wherein:
Receiver 561, for receiving the dedicated signaling that macro base station sends, described dedicated signaling comprises the mark of special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Transmitter 562, sends described special random access preamble for using described PRACH resource;
Receiver 561, also for receiving the pseudorandom access response message that described macro base station sends, described pseudorandom access response message comprises pseudo-special random access preamble and described pseudorandom access response message comprises rollback value, and the mark of described pseudo-special random access preamble is different from the mark of described special random access preamble;
Transmitter 562, also for after the described rollback value time, retransmits described special random access preamble, or the described special random access preamble of re-transmission sometime before the time that described in Stochastic choice, rollback value is corresponding.
The subscriber equipment of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Figure 11, and it realizes principle and technique effect is similar, repeats no more herein.
Further, in subscriber equipment illustrated embodiment five, transmitter 562, sends described special random access preamble specifically for using the through-put power of the last Physical Uplink Shared Channel or physical uplink control information; Or the power using described macro base station to specify sends described special random access preamble.
Further, in subscriber equipment illustrated embodiment five, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble;
Information in described accidental access response message comprises:
Timing advance order, at least one in the resource up and down of power control command, scheduling;
Described receiver, also for not applying the information in described accidental access response message after receiving described accidental access response message.
The hardware configuration schematic diagram of the macro base station embodiment 12 that the embodiment of the present invention provides as shown in Figure 54, wherein:
Transmitter 541, for sending dedicated signaling to subscriber equipment, send Interference Detection auxiliary signal to trigger described subscriber equipment, described dedicated signaling comprises the identification information of described Interference Detection auxiliary signal, sends the transmission times of running time-frequency resource configuration information that described Interference Detection auxiliary signal uses and described Interference Detection auxiliary signal;
Receiver 542, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
The subscriber equipment of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Figure 12, and it realizes principle and technique effect is similar, repeats no more herein.
Further, in macro base station illustrated embodiment 12, transmitter 541, specifically for sending dedicated signaling to subscriber equipment, with trigger described subscriber equipment send special random access preamble, described dedicated signaling comprise described special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble;
Receiver 542, specifically for receiving the feedback message that described small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment.
Further, in macro base station illustrated embodiment 12, transmitter 541, also triggers Indication message, to notify that described small base station detects described special random access preamble for sending Stochastic accessing to described small base station.
Further, in macro base station illustrated embodiment 12, described dedicated signaling also comprises indication information, with the receiving course making described subscriber equipment not start accidental access response message;
Described indication information, comprising:
The triggering object of Stochastic accessing or the transmission times of described special random access preamble.
Further, in macro base station illustrated embodiment 12, described dedicated signaling comprises radio resource control information, physical layer control unit information or Physical Downlink Control Channel information;
Described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
Further, in macro base station illustrated embodiment 12, transmitter 541, specifically for sending radio resource control information to subscriber equipment, send non-periodic channel detection reference signal SRS to trigger described subscriber equipment, described radio resource control information comprise described aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending SRS described aperiodic and described aperiodic SRS transmission times;
Receiver 542, specifically for receiving the feedback message that described small base station sends, described feedback message comprises the Interference Detection information that aperiodic, SRS obtained that described small base station sends by detecting described subscriber equipment.
Further, in macro base station illustrated embodiment 12, receiver 542, also for receive that described small base station sends described aperiodic SRS sequence or aperiodic SRS sequence numbering, described aperiodic SRS PRACH resource allocation information and described aperiodic SRS transmission times.
Further, in macro base station illustrated embodiment 12, described Interference Detection information, comprising:
Described aperiodic SRS signal quality;
Or described aperiodic, whether SRS produced the information that there is interference;
Or described aperiodic, whether the running time-frequency resource of SRS produced the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
Further, in macro base station illustrated embodiment 12, transmitter 541, also for sending dedicated radio resources control message to described subscriber equipment, described dedicated radio resources control message comprises that described small base station distributes described aperiodic SRS sequence or aperiodic SRS sequence numbering and described aperiodic SRS running time-frequency resource configuration information; Described macro base station sends MAC Control Element information or Physical Downlink Control Channel information to described subscriber equipment, with trigger that described subscriber equipment uses described small base station to distribute described aperiodic SRS the running time-frequency resource SRS described aperiodic that sends that described small base station distributes, described MAC Control Element information or Physical Downlink Control Channel information comprise the transmission times of SRS described aperiodic.
The hardware configuration schematic diagram of the small base station embodiment nine that the embodiment of the present invention provides as shown in fig. 55, wherein:
Processor 551, for detecting the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information, to be described macro base station send dedicated signaling to described subscriber equipment to described Interference Detection auxiliary signal triggers that described subscriber equipment sends, described dedicated signaling comprise described Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal;
Transmitter 552, for sending the feedback message comprising the Interference Detection information that processor 551 obtains to described macro base station, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
Receiver 553, for receiving the data that other equipment sends.
Memory 554, for storing the information that receiver 553 receives, and the data that storage of processor 551 processes.
The subscriber equipment of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Figure 15, and it realizes principle and technique effect is similar, repeats no more herein.
Further, in small base station illustrated embodiment nine, processor 551, specifically for detecting the special random access preamble of described subscriber equipment transmission to obtain Interference Detection information, to be described macro base station send dedicated signaling to described subscriber equipment to described special random access preamble triggers that described subscriber equipment sends, described dedicated signaling comprise described special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble;
Transmitter 552, specifically for sending the feedback message comprising the Interference Detection information that processor 551 obtains to macro base station, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment.
Further, in small base station illustrated embodiment nine, receiver 553, the Stochastic accessing sent for receiving described macro base station triggers Indication message, and described Stochastic accessing triggers Indication message and is used for notifying that described small base station detects described special random access preamble.
Further, in small base station illustrated embodiment nine, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
Further, in small base station illustrated embodiment nine, processor 551, specifically for detecting the non-periodic channel detection reference signal SRS of described subscriber equipment transmission to obtain Interference Detection information, to be described macro base station send radio resource control information to described subscriber equipment to described non-periodic channel detection reference signal SRS triggers that described subscriber equipment sends, described radio resource control information comprise described aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending SRS described aperiodic and described aperiodic SRS transmission times;
Transmitter 552, specifically for sending the feedback message comprising described Interference Detection information to macro base station, described feedback message comprises the Interference Detection information that aperiodic, SRS obtained that described small base station sends by detecting described subscriber equipment.
Further, in small base station illustrated embodiment nine, transmitter 552, also for send to described macro base station described aperiodic SRS sequence or aperiodic SRS sequence numbering, described aperiodic SRS PRACH resource allocation information and described aperiodic SRS transmission times.
Further, in small base station illustrated embodiment nine, described Interference Detection information, comprising:
Described aperiodic SRS signal quality;
Or described aperiodic, whether SRS produced the information that there is interference;
Or described aperiodic, whether the running time-frequency resource of SRS produced the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
The hardware configuration schematic diagram of the subscriber equipment embodiment six that the embodiment of the present invention provides as shown by the circuit diagram of figure 56, wherein:
Receiver 561, for receive macro base station send dedicated signaling, described dedicated signaling comprise Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal;
Transmitter 562, running time-frequency resource for using described transmission described Interference Detection auxiliary signal to use sends described Interference Detection auxiliary signal, to make the small base station receiving described Interference Detection auxiliary signal send feedback message to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal.
The subscriber equipment of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Figure 18, and it realizes principle and technique effect is similar, repeats no more herein.
Further, in subscriber equipment illustrated embodiment six, receiver 561, specifically for receive described macro base station send dedicated signaling, described dedicated signaling comprise special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble;
Transmitter 562, described special random access preamble is sent specifically for using the PRACH resource of the described special random access preamble of described transmission, to make the described small base station receiving described special random access preamble send feedback message to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described special random access preamble.
Further, in subscriber equipment illustrated embodiment six, receiver 561, also for receiving the described dedicated signaling that described macro base station resends;
Transmitter 562, also for resending described special random access preamble.
Further, in subscriber equipment illustrated embodiment six, transmitter 561, sends described special random access preamble specifically for using the through-put power of the last Physical Uplink Shared Channel or physical uplink control information; Or the power using described macro base station to specify sends described special random access preamble.
Further, in subscriber equipment illustrated embodiment six, described dedicated signaling also comprises indication information, with the receiving course making described subscriber equipment not start accidental access response message;
Described indication information, comprising:
The triggering object of Stochastic accessing or the transmission times of described special random access preamble.
Further, in subscriber equipment illustrated embodiment six, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
Further, in subscriber equipment illustrated embodiment six, receiver 561, specifically for receiving the dedicated signaling that described macro base station sends, described dedicated signaling comprise aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending SRS described aperiodic and described aperiodic SRS transmission times;
Transmitter 562, specifically for using the PRACH resource of described transmission SRS described aperiodic transmission SRS described aperiodic, send feedback message with the described small base station making to receive SRS described aperiodic to described macro base station, described feedback message comprises described small base station by the detection Interference Detection information that described aperiodic, SRS obtained.
Further, in subscriber equipment illustrated embodiment six, receiver 561, also for receiving the described radio resource control information that described macro base station resends;
Transmitter 562, also for resending SRS described aperiodic.
Further, in subscriber equipment illustrated embodiment six, described Interference Detection information, comprising:
Described aperiodic SRS signal quality;
Or described aperiodic, whether SRS produced the information that there is interference;
Or described aperiodic, whether the PRACH resource of SRS produced the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
The hardware configuration schematic diagram of the macro base station embodiment 13 that the embodiment of the present invention provides as shown in Figure 54, wherein:
Transmitter 541, for sending the identification information of Interference Detection auxiliary signal to small base station and sending the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses, determine the required Interference Detection auxiliary signal of detection and the running time-frequency resource information of required detection to make described small base station;
Receiver 542, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
The subscriber equipment of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Figure 21, and it realizes principle and technique effect is similar, repeats no more herein.
Further, in macro base station illustrated embodiment 13, transmitter 541, specifically for sending the root sequence information of special random access preamble to small base station and sending described random access guiding institute and use the configuration information of PRACH resource, determine the required special random access preamble of detection and the PRACH resource of required detection to make described small base station; Or send the sequence information of SRS to small base station and send the configuration information of the running time-frequency resource that described SRS uses, determining the required SRS of detection and the running time-frequency resource of required detection to make described small base station;
Receiver 542, specifically for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment; Or receive the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the SRS detecting the transmission of described subscriber equipment.
Further, in macro base station illustrated embodiment 13, described Interference Detection information comprises:
The signal quality of described special random access preamble, or the signal quality of described SRS.
The hardware configuration schematic diagram of the small base station embodiment ten that the embodiment of the present invention provides as shown in fig. 55, wherein:
Receiver 553, for receiving the identification information of the Interference Detection auxiliary signal that macro base station sends and sending the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses;
Processor 551, for determining the required Interference Detection auxiliary signal of detection and the running time-frequency resource of required detection; Detect the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information;
Transmitter 552, for sending the feedback message comprising the Interference Detection information that processor 551 obtains to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal.
The subscriber equipment of the present embodiment is for realizing the technical scheme of embodiment of the method shown in Figure 24, and it realizes principle and technique effect is similar, repeats no more herein.
Further, in small base station illustrated embodiment ten, receiver 553, specifically for receive the random access guiding that macro base station sends root sequence information and send described random access guiding use the configuration information of PRACH resource; Or receive the sequence information of the SRS that macro base station sends and send the configuration information of the running time-frequency resource that described SRS uses;
Processor 551, specifically for determining the required random access guiding of detection and the PRACH resource of required detection; Or determine the required SRS of detection and the PRACH resource of required detection; Detect the random access guiding of subscriber equipment transmission to obtain Interference Detection information; Or detect the SRS of subscriber equipment transmission to obtain Interference Detection information;
Transmitter 552, specifically for sending the feedback message comprising the Interference Detection information that described processor obtains to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described random access guiding; Or send the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described SRS.
Further, in small base station illustrated embodiment ten, described Interference Detection information comprises:
The signal quality of described random access guiding, or the signal quality of described SRS.
Further, in small base station illustrated embodiment ten, transmitter 552, specifically for periodically sending the signal quality of described random access guiding to described macro base station, or sends the random access guiding of signal quality higher than pre-determined threshold to described macro base station; Or periodically send the signal quality of described SRS to described macro base station, or send the SRS of signal quality higher than pre-determined threshold to described macro base station.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can have been come by the hardware that program command is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program, when performing, performs the step comprising above-mentioned each embodiment of the method; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (107)

1. an interference detection method, is characterized in that, comprising:
Macro base station sends dedicated signaling to subscriber equipment, send special random access preamble to trigger described subscriber equipment, described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Described macro base station receives the feedback message that small base station sends, and described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment;
Described macro base station stops message to described subscriber equipment transmission accidental access response message or Stochastic accessing, receives described accidental access response message or described Stochastic accessing stopping message with the accidental access response making described subscriber equipment in the accidental access response window of expansion and/or to expand after monitoring lag time.
2. method according to claim 1, is characterized in that, also comprises:
Described macro base station sends Stochastic accessing to described small base station and triggers Indication message, to notify that described small base station detects the special random access preamble of described subscriber equipment transmission.
3. method according to claim 1 and 2, is characterized in that, also comprises in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble, does not apply the information in described accidental access response message to make described subscriber equipment after receiving described accidental access response message;
Information in described accidental access response message, comprising:
Timing advance order, at least one in the resource up and down of power control command, scheduling.
4. the method according to any one of claims 1 to 3, is characterized in that, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
5. the method according to any one of Claims 1 to 4, is characterized in that, described macro base station sends dedicated signaling to subscriber equipment, before triggering described subscriber equipment transmission special random access preamble, also comprises:
Described macro base station receives the special random access preamble of described small base station transmission and the assignment information of PRACH resource;
Described macro base station sends dedicated signaling to subscriber equipment, sends special random access preamble, comprising to trigger described subscriber equipment:
Described macro base station sends dedicated signaling to subscriber equipment, sends described special random access preamble to trigger described subscriber equipment, and described dedicated signaling comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource;
Or described macro base station sends radio resource control information to described subscriber equipment, described radio resource control information comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource; Described macro base station sends media interviews to described subscriber equipment and controls MAC Control Element information or Physical Downlink Control Channel information, and the described PRACH resource using described small base station to distribute to trigger described subscriber equipment sends the described special random access preamble that described small base station distributes.
6. an interference detection method, is characterized in that, comprising:
Small base station detects the special random access preamble of subscriber equipment transmission to obtain Interference Detection information, described special random access preamble is that macro base station triggers the transmission of described subscriber equipment to described subscriber equipment transmission dedicated signaling, and described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Described small base station sends the feedback message comprising described Interference Detection information to described macro base station, send accidental access response message to make described macro base station to described subscriber equipment or Stochastic accessing stops message, and make described subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor lag time after receive described accidental access response message or described Stochastic accessing stops message.
7. method according to claim 6, is characterized in that, described small base station detects special random access preamble that subscriber equipment sends with before obtaining Interference Detection information, also comprises:
Described small base station receives the Stochastic accessing triggering Indication message that described macro base station sends;
Described small base station sends Stochastic accessing triggered response message, to start to detect described special random access preamble to described macro base station.
8. the method according to claim 6 or 7, is characterized in that, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
9. the method according to any one of claim 6 ~ 8, is characterized in that, described small base station detects special random access preamble that subscriber equipment sends with before obtaining Interference Detection information; Also comprise:
Described small base station sends the assignment information of special random access preamble and PRACH resource to described macro base station.
10. an interference detection method, is characterized in that, comprising:
Subscriber equipment receives the dedicated signaling that macro base station sends, and described dedicated signaling comprises the mark of special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Described subscriber equipment uses described PRACH resource to send described special random access preamble;
Described subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor and to receive accidental access response message that described macro base station sends after lag time or described Stochastic accessing stops message.
11. methods according to claim 10, is characterized in that, also comprise:
If described subscriber equipment in the accidental access response window of described expansion and/or the accidental access response of described expansion monitor and not receive accidental access response message that described macro base station sends after lag time or described Stochastic accessing stops message, then described subscriber equipment resends described special random access preamble.
12. methods according to claim 10 or 11, is characterized in that, also comprise:
Described subscriber equipment uses the through-put power of the last Physical Uplink Shared Channel or physical uplink control information to send described special random access preamble; Or,
The power that described subscriber equipment uses described macro base station to specify sends described special random access preamble.
13. methods according to any one of claim 10 ~ 12, is characterized in that, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble;
Information in described accidental access response message comprises:
Timing advance order, at least one in the resource up and down of power control command, scheduling;
Described method, also comprises:
The information in described accidental access response message do not applied by described subscriber equipment after receiving described accidental access response message.
14. methods according to any one of claim 10 ~ 13, is characterized in that, described subscriber equipment receives the dedicated signaling that macro base station sends, and comprising:
Described subscriber equipment receives the dedicated signaling that described macro base station sends, described dedicated signaling sends described special random access preamble for triggering described subscriber equipment, and described dedicated signaling comprise that described small base station distributes described special random access preamble and the information of described PRACH resource;
Or described subscriber equipment receives the radio resource control information that described macro base station sends, described radio resource control information comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource; Described subscriber equipment receives MAC Control Element information or the Physical Downlink Control Channel information of the transmission of described macro base station, and described MAC Control Element information or Physical Downlink Control Channel information send described special random access preamble for triggering described subscriber equipment.
15. 1 kinds of interference detection methods, is characterized in that, comprising:
Macro base station sends dedicated signaling to subscriber equipment, send special random access preamble to trigger described subscriber equipment, described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Described macro base station sends pseudorandom access response message to described subscriber equipment, to make described subscriber equipment according to described pseudorandom access response message, described special random access preamble is retransmitted after Preset Time, described pseudorandom access response message comprises pseudo-special random access preamble, and the mark of described pseudo-special random access preamble is different from the mark of described special random access preamble;
Described macro base station receives the feedback message that small base station sends, and described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment;
Described macro base station sends accidental access response message to described subscriber equipment or Stochastic accessing stops message.
16. methods according to claim 15, it is characterized in that, described macro base station sends pseudorandom access response message to described subscriber equipment, to make described subscriber equipment according to described pseudorandom access response message, after Preset Time, retransmit described special random access preamble, comprising:
Described macro base station sends the pseudorandom access response message comprising rollback value to described subscriber equipment, to make described subscriber equipment according to described pseudorandom access response message, described special random access preamble is retransmitted after the time that described rollback value is corresponding, or the described special random access preamble of re-transmission sometime before the time that described in Stochastic choice, rollback value is corresponding.
17. methods according to claim 15 or 16, is characterized in that, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble, does not apply the information in described accidental access response message to make described subscriber equipment after receiving described accidental access response message;
Information in described accidental access response message, comprising:
Timing advance order, at least one in the resource up and down of power control command, scheduling.
18. methods according to any one of claim 15 ~ 17, it is characterized in that, described dedicated signaling comprises radio resource control information, MAC Control Element information or Physical Downlink Control Channel information;
Described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
19. 1 kinds of interference detection methods, is characterized in that, comprising:
Subscriber equipment receives the dedicated signaling that macro base station sends, and described dedicated signaling comprises the mark of special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Described subscriber equipment uses described PRACH resource to send described special random access preamble;
Described subscriber equipment receives the pseudorandom access response message that described macro base station sends, described pseudorandom access response message comprises pseudo-special random access preamble and described pseudorandom access response message comprises rollback value, and the mark of described pseudo-special random access preamble is different from the mark of described special random access preamble;
Described subscriber equipment, after the described rollback value time, retransmits described special random access preamble, or the described special random access preamble of re-transmission sometime before the time that described in Stochastic choice, rollback value is corresponding.
20. methods according to claim 19, is characterized in that, also comprise:
Described subscriber equipment uses the through-put power of the last Physical Uplink Shared Channel or physical uplink control information to send described special random access preamble;
Or the power that described subscriber equipment uses described macro base station to specify sends described special random access preamble.
21. methods according to claim 19 or 20, is characterized in that, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble;
Information in described accidental access response message comprises:
Timing advance order, at least one in the resource up and down of power control command, scheduling;
Described method, also comprises:
The information in described accidental access response message do not applied by described subscriber equipment after receiving described accidental access response message.
22. 1 kinds of interference detection methods, is characterized in that, comprising:
Macro base station sends dedicated signaling to subscriber equipment, send Interference Detection auxiliary signal to trigger described subscriber equipment, described dedicated signaling comprises the identification information of described Interference Detection auxiliary signal, sends the transmission times of running time-frequency resource configuration information that described Interference Detection auxiliary signal uses and described Interference Detection auxiliary signal;
Described macro base station receives the feedback message that small base station sends, and described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
23. methods according to claim 22, it is characterized in that, described macro base station sends dedicated signaling to subscriber equipment, Interference Detection auxiliary signal is sent to trigger described subscriber equipment, described dedicated signaling comprise described Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal, comprise;
Described macro base station sends dedicated signaling to subscriber equipment, with trigger described subscriber equipment send special random access preamble, described dedicated signaling comprise described special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble;
Described macro base station receives the feedback message that small base station sends, and described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment, comprising:
Described macro base station receives the feedback message that described small base station sends, and described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment.
24. methods according to claim 23, is characterized in that, also comprise:
Described macro base station sends Stochastic accessing to described small base station and triggers Indication message, to notify that described small base station detects described special random access preamble.
25. methods according to claim 23 or 24, it is characterized in that, described dedicated signaling also comprises indication information, with the receiving course making described subscriber equipment not start accidental access response message;
Described indication information, comprising:
The triggering object of Stochastic accessing or the transmission times of described special random access preamble.
26. methods according to any one of claim 23 ~ 25, it is characterized in that, described dedicated signaling comprises radio resource control information, physical layer control unit information or Physical Downlink Control Channel information;
Described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
27. methods according to claim 22, it is characterized in that, described macro base station sends dedicated signaling to subscriber equipment, Interference Detection auxiliary signal is sent to trigger described subscriber equipment, described dedicated signaling comprise described Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal, comprise;
Described macro base station sends radio resource control information to subscriber equipment, send non-periodic channel detection reference signal SRS to trigger described subscriber equipment, described radio resource control information comprise described aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending SRS described aperiodic and described aperiodic SRS transmission times;
Described macro base station receives the feedback message that small base station sends, and described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment, comprising:
Described macro base station receives the feedback message that described small base station sends, and described feedback message comprises the Interference Detection information that aperiodic, SRS obtained that described small base station sends by detecting described subscriber equipment.
28. methods according to claim 27, is characterized in that, described macro base station sends radio resource control information to subscriber equipment, before triggering described subscriber equipment transmission SRS aperiodic, also comprise:
Described macro base station receives that described small base station sends described aperiodic SRS sequence or aperiodic SRS sequence numbering, described aperiodic SRS PRACH resource allocation information and described aperiodic SRS transmission times.
29. methods according to claim 27 or 28, it is characterized in that, described Interference Detection information, comprising:
Described aperiodic SRS signal quality;
Or described aperiodic, whether SRS produced the information that there is interference;
Or described aperiodic, whether the running time-frequency resource of SRS produced the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
30. methods according to any one of claim 27 ~ 29, it is characterized in that, described macro base station sends radio resource control information to subscriber equipment, sends SRS aperiodic, also comprise to trigger described subscriber equipment:
Described macro base station sends dedicated radio resources control message to described subscriber equipment, described dedicated radio resources control message comprises that described small base station distributes described aperiodic SRS sequence or aperiodic SRS sequence numbering and described aperiodic SRS running time-frequency resource configuration information; Described macro base station sends MAC Control Element information or Physical Downlink Control Channel information to described subscriber equipment, with trigger that described subscriber equipment uses described small base station to distribute described aperiodic SRS the running time-frequency resource SRS described aperiodic that sends that described small base station distributes, described MAC Control Element information or Physical Downlink Control Channel information comprise the transmission times of SRS described aperiodic.
31. 1 kinds of interference detection methods, is characterized in that, comprising:
Small base station detects the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information, to be described macro base station send dedicated signaling to described subscriber equipment to described Interference Detection auxiliary signal triggers that described subscriber equipment sends, described dedicated signaling comprise described Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal;
Described small base station sends the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
32. methods according to claim 31, it is characterized in that, described small base station detects the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information, described Interference Detection auxiliary signal is that described macro base station triggers the transmission of described subscriber equipment to described subscriber equipment transmission dedicated signaling, described dedicated signaling comprise described Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal, comprise;
Described small base station detects the special random access preamble of described subscriber equipment transmission to obtain Interference Detection information, to be described macro base station send dedicated signaling to described subscriber equipment to described special random access preamble triggers that described subscriber equipment sends, described dedicated signaling comprise described special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble;
Described small base station sends the feedback message comprising described Interference Detection information to macro base station, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment, comprising:
Described small base station sends the feedback message comprising described Interference Detection information to macro base station, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment.
33. methods according to claim 32, is characterized in that, also comprise:
Described small base station receives the Stochastic accessing triggering Indication message that described macro base station sends, and described Stochastic accessing triggers Indication message and is used for notifying that described small base station detects described special random access preamble.
34. methods according to claim 32 or 33, it is characterized in that, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
35. methods according to claim 31, it is characterized in that, described small base station detects the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information, described Interference Detection auxiliary signal is that described macro base station triggers the transmission of described subscriber equipment to described subscriber equipment transmission dedicated signaling, described dedicated signaling comprise described Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal, comprise;
Described small base station detects the non-periodic channel detection reference signal SRS of described subscriber equipment transmission to obtain Interference Detection information, to be described macro base station send radio resource control information to described subscriber equipment to described non-periodic channel detection reference signal SRS triggers that described subscriber equipment sends, described radio resource control information comprise described aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending SRS described aperiodic and described aperiodic SRS transmission times;
Described small base station sends the feedback message comprising described Interference Detection information to macro base station, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment, comprising:
Described small base station sends the feedback message comprising described Interference Detection information to macro base station, described feedback message comprises the Interference Detection information that aperiodic, SRS obtained that described small base station sends by detecting described subscriber equipment.
36. methods according to claim 35, is characterized in that, described small base station detects the aperiodic that described subscriber equipment sends and believes that SRS is with before obtaining Interference Detection information, also comprises:
Described small base station to described macro base station send described aperiodic SRS sequence or aperiodic SRS sequence numbering, described aperiodic SRS PRACH resource allocation information and described aperiodic SRS transmission times.
37. methods according to claim 35 or 36, it is characterized in that, described Interference Detection information, comprising:
Described aperiodic SRS signal quality;
Or described aperiodic, whether SRS produced the information that there is interference;
Or described aperiodic, whether the running time-frequency resource of SRS produced the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
38. 1 kinds of interference detection methods, is characterized in that, comprising:
Subscriber equipment receive macro base station send dedicated signaling, described dedicated signaling comprise Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal;
The running time-frequency resource that described subscriber equipment uses described transmission described Interference Detection auxiliary signal to use sends described Interference Detection auxiliary signal, to make the small base station receiving described Interference Detection auxiliary signal send feedback message to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal.
39. according to method according to claim 38, it is characterized in that, described subscriber equipment receives the dedicated signaling that described macro base station sends, described dedicated signaling comprise Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal, comprising:
Described subscriber equipment receive described macro base station send dedicated signaling, described dedicated signaling comprise special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble;
The running time-frequency resource that described subscriber equipment uses described transmission described Interference Detection auxiliary signal to use sends described Interference Detection auxiliary signal, feedback message is sent to described macro base station to make the described small base station receiving described Interference Detection auxiliary signal, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal, comprising:
Described subscriber equipment uses the PRACH resource of the described special random access preamble of described transmission to send described special random access preamble, to make the described small base station receiving described special random access preamble send feedback message to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described special random access preamble.
40., according to method according to claim 39, is characterized in that, also comprise:
Described subscriber equipment receives the described dedicated signaling that described macro base station resends;
Described subscriber equipment resends described special random access preamble.
41. methods according to claim 39 or 40, is characterized in that, also comprise:
Described subscriber equipment uses the through-put power of the last Physical Uplink Shared Channel or physical uplink control information to send described special random access preamble;
Or the power that described subscriber equipment uses described macro base station to specify sends described special random access preamble.
42. methods according to any one of claim 39 ~ 41, it is characterized in that, described dedicated signaling also comprises indication information, with the receiving course making described subscriber equipment not start accidental access response message;
Described indication information, comprising:
The triggering object of Stochastic accessing or the transmission times of described special random access preamble.
43. methods according to any one of claim 39 ~ 42, it is characterized in that, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
44. according to method according to claim 38, it is characterized in that, described subscriber equipment receives the dedicated signaling that described macro base station sends, described dedicated signaling comprise Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal, comprising:
Described subscriber equipment receives the dedicated signaling that described macro base station sends, described dedicated signaling comprise aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending SRS described aperiodic and described aperiodic SRS transmission times;
The running time-frequency resource that described subscriber equipment uses described transmission described Interference Detection auxiliary signal to use sends described Interference Detection auxiliary signal, feedback message is sent to described macro base station to make the described small base station receiving described Interference Detection auxiliary signal, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal, comprising:
Described subscriber equipment uses the PRACH resource of described transmission SRS described aperiodic transmission SRS described aperiodic, send feedback message with the described small base station making to receive SRS described aperiodic to described macro base station, described feedback message comprises described small base station by the detection Interference Detection information that described aperiodic, SRS obtained.
45. methods according to claim 44, is characterized in that, also comprise:
Described subscriber equipment receives the described radio resource control information that described macro base station resends;
Described subscriber equipment resends SRS described aperiodic.
46. methods according to claim 44 or 45, it is characterized in that, described Interference Detection information, comprising:
Described aperiodic SRS signal quality;
Or described aperiodic, whether SRS produced the information that there is interference;
Or described aperiodic, whether the PRACH resource of SRS produced the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
47. 1 kinds of interference detection methods, is characterized in that, comprising:
Macro base station sends the identification information of Interference Detection auxiliary signal to small base station and sends the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses, and determines the required Interference Detection auxiliary signal of detection and the running time-frequency resource information of required detection to make described small base station;
Described macro base station receives the feedback message that small base station sends, and described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
48. methods according to claim 47, it is characterized in that, described macro base station sends the identification information of Interference Detection auxiliary signal to small base station and sends the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses, to make described small base station determine the required Interference Detection auxiliary signal of detection and the running time-frequency resource information of required detection, comprising:
Described macro base station sends the root sequence information of special random access preamble to small base station and sends described random access guiding institute and use the configuration information of PRACH resource, determines the required special random access preamble of detection and the PRACH resource of required detection to make described small base station; Or described macro base station sends the sequence information of SRS to small base station and sends the configuration information of the running time-frequency resource that described SRS uses, and determines the required SRS of detection and the running time-frequency resource of required detection to make described small base station;
Described macro base station receives the feedback message that small base station sends, and described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment, comprising:
Described macro base station receives the feedback message that small base station sends, and described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment; Or described macro base station receives the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the SRS detecting the transmission of described subscriber equipment.
49. methods according to claim 48, is characterized in that, described Interference Detection information comprises:
The signal quality of described special random access preamble, or the signal quality of described SRS.
50. 1 kinds of interference detection methods, is characterized in that, comprising:
Small base station receives the identification information of the Interference Detection auxiliary signal that macro base station sends and sends the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses;
Described small base station determines the required Interference Detection auxiliary signal of detection and the running time-frequency resource of required detection;
Described small base station detects the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information;
Described small base station sends the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal.
51. methods according to claim 50, is characterized in that, described small base station receives the identification information of the Interference Detection auxiliary signal that macro base station sends and sends the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses, and comprising:
Described small base station receive the random access guiding that macro base station sends root sequence information and send described random access guiding use the configuration information of PRACH resource; Or described small base station receives the sequence information of the SRS that macro base station sends and sends the configuration information of the running time-frequency resource that described SRS uses;
Described small base station determines the required Interference Detection auxiliary signal of detection and the running time-frequency resource of required detection, comprising:
Described small base station determines the required random access guiding of detection and the PRACH resource of required detection; Or described small base station determines the required SRS of detection and the PRACH resource of required detection;
Described small base station detects the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information, comprising:
Described small base station detects the random access guiding of subscriber equipment transmission to obtain Interference Detection information; Or described small base station detects the SRS of subscriber equipment transmission to obtain Interference Detection information;
Described small base station sends the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal, comprising:
Described small base station sends the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described random access guiding; Or described small base station sends the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described SRS.
52. methods according to claim 51, is characterized in that, described Interference Detection information comprises:
The signal quality of described random access guiding, or the signal quality of described SRS.
53. methods according to claim 51 or 52, is characterized in that, described small base station sends the feedback message comprising described Interference Detection information to described macro base station, comprising:
Described small base station periodically sends the signal quality of described random access guiding to described macro base station, or described small base station sends the random access guiding of signal quality higher than pre-determined threshold to described macro base station;
Or described small base station periodically sends the signal quality of described SRS to described macro base station, or described small base station sends the SRS of signal quality higher than pre-determined threshold to described macro base station.
54. 1 kinds of macro base stations, is characterized in that, comprising:
Signaling sending module, for sending dedicated signaling to subscriber equipment, send special random access preamble to trigger described subscriber equipment, described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Feedback message receiver module, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment;
Response message sending module, for stopping message to described subscriber equipment transmission accidental access response message or Stochastic accessing, after monitoring lag time with the accidental access response making described subscriber equipment in the accidental access response window of expansion and/or to expand, receive described accidental access response message or described Stochastic accessing stopping message.
55. macro base stations according to claim 54, is characterized in that, also comprise:
Triggering instruction sending module, triggering Indication message for sending Stochastic accessing to described small base station, to notify that described small base station detects the special random access preamble of described subscriber equipment transmission.
56. macro base stations according to claim 54 or 55, is characterized in that, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble, does not apply the information in described accidental access response message to make described subscriber equipment after receiving described accidental access response message;
Information in described accidental access response message, comprising:
Timing advance order, at least one in the resource up and down of power control command, scheduling.
57. macro base stations according to any one of claim 54 ~ 56, it is characterized in that, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
58. macro base stations according to any one of claim 54 ~ 57, is characterized in that, also comprise:
Asset information receipt module, for receiving the special random access preamble and the assignment information of PRACH resource that described small base station sends;
Described signaling sending module, specifically for sending dedicated signaling to subscriber equipment, send described special random access preamble to trigger described subscriber equipment, described dedicated signaling comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource; Or send radio resource control information to described subscriber equipment, described radio resource control information comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource; Send media interviews to described subscriber equipment and control MAC Control Element information or Physical Downlink Control Channel information, the described PRACH resource using described small base station to distribute to trigger described subscriber equipment sends the described special random access preamble that described small base station distributes.
59. 1 kinds of small base stations, is characterized in that, comprising:
Interference detection module, for detecting the special random access preamble of subscriber equipment transmission to obtain Interference Detection information, described special random access preamble is that macro base station triggers the transmission of described subscriber equipment to described subscriber equipment transmission dedicated signaling, and described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Feedback information sending module, for sending the feedback message comprising described Interference Detection information to described macro base station, send accidental access response message to make described macro base station to described subscriber equipment or Stochastic accessing stops message, and make described subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor lag time after receive described accidental access response message or described Stochastic accessing stops message.
60. small base stations according to claim 59, is characterized in that, also comprise:
Trigger instruction receiver module, the Stochastic accessing sent for receiving described macro base station triggers Indication message;
Trigger instruction respond module, for sending Stochastic accessing triggered response message, to start to detect described special random access preamble to described macro base station.
61. small base stations according to claim 59 or 60, it is characterized in that, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
62. small base stations according to any one of claim 59 ~ 61, is characterized in that, also comprise:
Resource information sending module, for sending the assignment information of special random access preamble and PRACH resource to described macro base station.
63. 1 kinds of subscriber equipmenies, is characterized in that, comprising:
Signaling receiver module, for receiving the dedicated signaling that macro base station sends, described dedicated signaling comprises the mark of special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Stochastic accessing sending module, sends described special random access preamble for using described PRACH resource;
Accidental access response receiver module, for described subscriber equipment in the accidental access response window of expansion and/or the accidental access response of expansion monitor and to receive accidental access response message that described macro base station sends after lag time or described Stochastic accessing stops message.
64. subscriber equipmenies according to claim 63, it is characterized in that, described Stochastic accessing sending module, if also for described subscriber equipment in the accidental access response window of described expansion and/or the accidental access response of described expansion monitor and not receive accidental access response message that described macro base station sends after lag time or described Stochastic accessing stops message, then resend described special random access preamble.
65. subscriber equipmenies according to claim 63 or 64, is characterized in that described Stochastic accessing sending module sends described special random access preamble specifically for using the through-put power of the last Physical Uplink Shared Channel or physical uplink control information; Or the power using described macro base station to specify sends described special random access preamble.
66. subscriber equipmenies according to any one of claim 63 ~ 65, is characterized in that, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble;
Information in described accidental access response message comprises:
Timing advance order, at least one in the resource up and down of power control command, scheduling;
Described accidental access response receiver module, also for not applying the information in described accidental access response message after receiving described accidental access response message.
67. subscriber equipmenies according to any one of claim 63 ~ 66, it is characterized in that, described signaling receiver module, specifically for receiving the dedicated signaling that described macro base station sends, described dedicated signaling sends described special random access preamble for triggering described subscriber equipment, and described dedicated signaling comprise that described small base station distributes described special random access preamble and the information of described PRACH resource; Or receive the radio resource control information that described macro base station sends, described radio resource control information comprises the described special random access preamble of described small base station distribution and the information of described PRACH resource; Receive MAC Control Element information or the Physical Downlink Control Channel information of the transmission of described macro base station, described MAC Control Element information or Physical Downlink Control Channel information send described special random access preamble for triggering described subscriber equipment.
68. 1 kinds of macro base stations, is characterized in that, comprising:
Signaling sending module, for sending dedicated signaling to subscriber equipment, send special random access preamble to trigger described subscriber equipment, described dedicated signaling comprises the mark of described special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Response message sending module, for sending pseudorandom access response message to described subscriber equipment, to make described subscriber equipment according to described pseudorandom access response message, described special random access preamble is retransmitted after Preset Time, described pseudorandom access response message comprises pseudo-special random access preamble, and the mark of described pseudo-special random access preamble is different from the mark of described special random access preamble;
Feedback message receiver module, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment;
Response message sending module, also for sending accidental access response message or Stochastic accessing stopping message to described subscriber equipment.
69. macro base stations according to claim 68, it is characterized in that, described response message sending module, specifically for sending the pseudorandom access response message comprising rollback value to described subscriber equipment, to make described subscriber equipment according to described pseudorandom access response message, described special random access preamble is retransmitted after the time that described rollback value is corresponding, or the described special random access preamble of re-transmission sometime before the time that described in Stochastic choice, rollback value is corresponding.
70. macro base stations according to claim 68 or 69, is characterized in that, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble, does not apply the information in described accidental access response message to make described subscriber equipment after receiving described accidental access response message;
Information in described accidental access response message, comprising:
Timing advance order, at least one in the resource up and down of power control command, scheduling.
71. macro base stations according to any one of claim 68 ~ 70, it is characterized in that, described dedicated signaling comprises radio resource control information, MAC Control Element information or Physical Downlink Control Channel information;
Described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
72. 1 kinds of subscriber equipmenies, is characterized in that, comprising:
Signaling receiver module, for receiving the dedicated signaling that macro base station sends, described dedicated signaling comprises the mark of special random access preamble and sends the Physical Random Access Channel PRACH resource indication information of described special random access preamble;
Stochastic accessing sending module, sends described special random access preamble for using described PRACH resource;
Accidental access response receiver module, for receiving the pseudorandom access response message that described macro base station sends, described pseudorandom access response message comprises pseudo-special random access preamble and described pseudorandom access response message comprises rollback value, and the mark of described pseudo-special random access preamble is different from the mark of described special random access preamble;
Stochastic accessing sending module, also for after the described rollback value time, retransmits described special random access preamble, or the described special random access preamble of re-transmission sometime before the time that described in Stochastic choice, rollback value is corresponding.
73., according to the subscriber equipment described in claim 72, is characterized in that, described Stochastic accessing sending module, send described special random access preamble specifically for using the through-put power of the last Physical Uplink Shared Channel or physical uplink control information; Or the power using described macro base station to specify sends described special random access preamble.
74. subscriber equipmenies according to claim 72 or 73, is characterized in that, also comprise in described dedicated signaling:
The accidental access response of the triggering object of Stochastic accessing, the accidental access response window time of described expansion, described expansion monitors at least one in the transmitted power of lag time, described special random access preamble;
Information in described accidental access response message comprises:
Timing advance order, at least one in the resource up and down of power control command, scheduling;
Described accidental access response receiver module, also for not applying the information in described accidental access response message after receiving described accidental access response message.
75. 1 kinds of macro base stations, is characterized in that, comprising:
Signaling sending module, for sending dedicated signaling to subscriber equipment, send Interference Detection auxiliary signal to trigger described subscriber equipment, described dedicated signaling comprises the identification information of described Interference Detection auxiliary signal, sends the transmission times of running time-frequency resource configuration information that described Interference Detection auxiliary signal uses and described Interference Detection auxiliary signal;
Feedback message receiver module, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
76. according to the macro base station described in claim 75, it is characterized in that, described signaling sending module, specifically for sending dedicated signaling to subscriber equipment, with trigger described subscriber equipment send special random access preamble, described dedicated signaling comprise described special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble;
Described feedback message receiver module, specifically for receiving the feedback message that described small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment.
77., according to the macro base station described in claim 76, is characterized in that, also comprise:
Triggering instruction sending module, triggering Indication message, to notify that described small base station detects described special random access preamble for sending Stochastic accessing to described small base station.
78. macro base stations according to claim 76 or 77, it is characterized in that, described dedicated signaling also comprises indication information, with the receiving course making described subscriber equipment not start accidental access response message;
Described indication information, comprising:
The triggering object of Stochastic accessing or the transmission times of described special random access preamble.
79. macro base stations according to any one of claim 76 ~ 78, it is characterized in that, described dedicated signaling comprises radio resource control information, physical layer control unit information or Physical Downlink Control Channel information;
Described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
80. according to the macro base station described in claim 75, it is characterized in that, described signaling sending module, specifically for sending radio resource control information to subscriber equipment, send non-periodic channel detection reference signal SRS to trigger described subscriber equipment, described radio resource control information comprise described aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending SRS described aperiodic and described aperiodic SRS transmission times;
Described feedback message receiver module, specifically for receiving the feedback message that described small base station sends, described feedback message comprises the Interference Detection information that aperiodic, SRS obtained that described small base station sends by detecting described subscriber equipment.
81. macro base stations according to Claim 8 described in 0, is characterized in that, also comprise:
Asset information receipt module, for receive that described small base station sends described aperiodic SRS sequence or aperiodic SRS sequence numbering, described aperiodic SRS PRACH resource allocation information and described aperiodic SRS transmission times.
82. macro base stations according to Claim 8 described in 0 or 81, it is characterized in that, described Interference Detection information, comprising:
Described aperiodic SRS signal quality;
Or described aperiodic, whether SRS produced the information that there is interference;
Or described aperiodic, whether the running time-frequency resource of SRS produced the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
83. macro base stations according to Claim 8 described in 0 ~ 82 any one, is characterized in that, also comprise:
Resource information sending module, for sending dedicated radio resources control message to described subscriber equipment, described dedicated radio resources control message comprises that described small base station distributes described aperiodic SRS sequence or aperiodic SRS sequence numbering and described aperiodic SRS running time-frequency resource configuration information; Described macro base station sends MAC Control Element information or Physical Downlink Control Channel information to described subscriber equipment, with trigger that described subscriber equipment uses described small base station to distribute described aperiodic SRS the running time-frequency resource SRS described aperiodic that sends that described small base station distributes, described MAC Control Element information or Physical Downlink Control Channel information comprise the transmission times of SRS described aperiodic.
84. 1 kinds of small base stations, is characterized in that, comprising:
Interference detection module, for detecting the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information, to be described macro base station send dedicated signaling to described subscriber equipment to described Interference Detection auxiliary signal triggers that described subscriber equipment sends, described dedicated signaling comprise described Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal;
Feedback information sending module, for sending the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
85. small base stations according to Claim 8 described in 4, it is characterized in that, described interference detection module, specifically for detecting the special random access preamble of described subscriber equipment transmission to obtain Interference Detection information, to be described macro base station send dedicated signaling to described subscriber equipment to described special random access preamble triggers that described subscriber equipment sends, described dedicated signaling comprise described special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble;
Described feedback information sending module, specifically for sending the feedback message comprising described Interference Detection information to macro base station, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment.
86. small base stations according to Claim 8 described in 5, is characterized in that, also comprise:
Trigger instruction receiver module, the Stochastic accessing sent for receiving described macro base station triggers Indication message, and described Stochastic accessing triggers Indication message and is used for notifying that described small base station detects described special random access preamble.
87. small base stations according to Claim 8 described in 5 or 86, it is characterized in that, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
88. small base stations according to Claim 8 described in 4, it is characterized in that, described interference detection module, specifically for detecting the non-periodic channel detection reference signal SRS of described subscriber equipment transmission to obtain Interference Detection information, described non-periodic channel detection reference signal SRS is that described macro base station triggers the transmission of described subscriber equipment to described subscriber equipment transmission radio resource control information, described radio resource control information comprise described aperiodic SRS sequence or aperiodic SRS sequence numbering, send SRS described aperiodic running time-frequency resource configuration information and described aperiodic SRS transmission times,
Described feedback information sending module, specifically for sending the feedback message comprising described Interference Detection information to macro base station, described feedback message comprises the Interference Detection information that aperiodic, SRS obtained that described small base station sends by detecting described subscriber equipment.
89. small base stations according to Claim 8 described in 8, is characterized in that, also comprise:
Resource information sending module, for send to described macro base station described aperiodic SRS sequence or aperiodic SRS sequence numbering, described aperiodic SRS PRACH resource allocation information and described aperiodic SRS transmission times.
90. small base stations according to Claim 8 described in 8 or 89, it is characterized in that, described Interference Detection information, comprising:
Described aperiodic SRS signal quality;
Or described aperiodic, whether SRS produced the information that there is interference;
Or described aperiodic, whether the running time-frequency resource of SRS produced the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
91. 1 kinds of subscriber equipmenies, is characterized in that, comprising:
Signaling receiver module, for receive macro base station send dedicated signaling, described dedicated signaling comprise Interference Detection auxiliary signal identification information, send the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses and the transmission times of described Interference Detection auxiliary signal;
Auxiliary signal sending module, running time-frequency resource for using described transmission described Interference Detection auxiliary signal to use sends described Interference Detection auxiliary signal, to make the small base station receiving described Interference Detection auxiliary signal send feedback message to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal.
92. according to the subscriber equipment described in claim 91, it is characterized in that, described signaling receiver module, specifically for receive described macro base station send dedicated signaling, described dedicated signaling comprise special random access preamble mark, send the Physical Random Access Channel PRACH resource allocation information of described special random access preamble and the transmission times of described special random access preamble;
Described auxiliary signal sending module, described special random access preamble is sent specifically for using the PRACH resource of the described special random access preamble of described transmission, to make the described small base station receiving described special random access preamble send feedback message to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described special random access preamble.
93., according to the subscriber equipment described in claim 92, is characterized in that, described signaling receiver module, also for receiving the described dedicated signaling that described macro base station resends;
Described auxiliary signal sending module, also for resending described special random access preamble.
94. subscriber equipmenies according to claim 92 or 93, is characterized in that described auxiliary signal sending module sends described special random access preamble specifically for using the through-put power of the last Physical Uplink Shared Channel or physical uplink control information; Or the power using described macro base station to specify sends described special random access preamble.
95. subscriber equipmenies according to any one of claim 92 ~ 94, it is characterized in that, described dedicated signaling also comprises indication information, with the receiving course making described subscriber equipment not start accidental access response message;
Described indication information, comprising:
The triggering object of Stochastic accessing or the transmission times of described special random access preamble.
96. subscriber equipmenies according to any one of claim 92 ~ 95, it is characterized in that, described Interference Detection information, comprising:
The signal quality of described special random access preamble;
Or whether described special random access preamble produces the information that there is interference;
Or whether described PRACH resource produces the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
97. according to the subscriber equipment described in claim 91, it is characterized in that, described signaling receiver module, specifically for receiving the dedicated signaling that described macro base station sends, described dedicated signaling comprise aperiodic SRS sequence or aperiodic SRS sequence numbering, the running time-frequency resource configuration information sending SRS described aperiodic and described aperiodic SRS transmission times;
Described auxiliary signal sending module, specifically for using the PRACH resource of described transmission SRS described aperiodic transmission SRS described aperiodic, send feedback message with the described small base station making to receive SRS described aperiodic to described macro base station, described feedback message comprises described small base station by the detection Interference Detection information that described aperiodic, SRS obtained.
98., according to the subscriber equipment described in claim 97, is characterized in that, described signaling receiver module, also for receiving the described radio resource control information that described macro base station resends;
Described auxiliary signal sending module, also for resending SRS described aperiodic.
99. subscriber equipmenies according to claim 97 or 98, it is characterized in that, described Interference Detection information, comprising:
Described aperiodic SRS signal quality;
Or described aperiodic, whether SRS produced the information that there is interference;
Or described aperiodic, whether the PRACH resource of SRS produced the information that there is interference;
Or whether described subscriber equipment produces the information of interference.
100. one kinds of macro base stations, is characterized in that, comprising:
Resource information sending module, for sending the identification information of Interference Detection auxiliary signal to small base station and sending the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses, determine the required Interference Detection auxiliary signal of detection and the running time-frequency resource information of required detection to make described small base station;
Feedback message receiver module, for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the Interference Detection auxiliary signal detecting the transmission of described subscriber equipment.
101. according to the macro base station described in claim 100, it is characterized in that, described resource information sending module, specifically for sending the root sequence information of special random access preamble to small base station and sending described random access guiding institute and use the configuration information of PRACH resource, determine the required special random access preamble of detection and the PRACH resource of required detection to make described small base station; Or send the sequence information of SRS to small base station and send the configuration information of the running time-frequency resource that described SRS uses, determining the required SRS of detection and the running time-frequency resource of required detection to make described small base station;
Described feedback message receiver module, specifically for receiving the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the special random access preamble detecting the transmission of described subscriber equipment; Or receive the feedback message that small base station sends, described feedback message comprises the Interference Detection information that described small base station is obtained by the SRS detecting the transmission of described subscriber equipment.
102., according to the macro base station described in claim 101, is characterized in that, described Interference Detection information comprises:
The signal quality of described special random access preamble, or the signal quality of described SRS.
103. one kinds of small base stations, is characterized in that, comprising:
Asset information receipt module, for receiving the identification information of the Interference Detection auxiliary signal that macro base station sends and sending the configuration information of the running time-frequency resource that described Interference Detection auxiliary signal uses;
Interference Detection determination module, for determining the required Interference Detection auxiliary signal of detection and the running time-frequency resource of required detection;
Interference detection module, for detecting the Interference Detection auxiliary signal of subscriber equipment transmission to obtain Interference Detection information;
Feedback information sending module, for sending the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described Interference Detection auxiliary signal.
104. according to the small base station described in claim 103, it is characterized in that, described asset information receipt module, specifically for receive the random access guiding that macro base station sends root sequence information and send described random access guiding use the configuration information of PRACH resource; Or receive the sequence information of the SRS that macro base station sends and send the configuration information of the running time-frequency resource that described SRS uses;
Interference Detection determination module, specifically for determining the required random access guiding of detection and the PRACH resource of required detection; Or determine the required SRS of detection and the PRACH resource of required detection;
Described interference detection module, specifically for detecting the random access guiding of subscriber equipment transmission to obtain Interference Detection information; Or detect the SRS of subscriber equipment transmission to obtain Interference Detection information;
Described feedback information sending module, specifically for sending the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described random access guiding; Or send the feedback message comprising described Interference Detection information to described macro base station, described feedback message comprises the Interference Detection information that described small base station obtains by detecting described SRS.
105., according to the small base station described in claim 104, is characterized in that, described Interference Detection information comprises:
The signal quality of described random access guiding, or the signal quality of described SRS.
106. small base stations according to claim 104 or 105, it is characterized in that, described feedback information sending module, specifically for periodically sending the signal quality of described random access guiding to described macro base station, or send the random access guiding of signal quality higher than pre-determined threshold to described macro base station; Or periodically send the signal quality of described SRS to described macro base station, or send the SRS of signal quality higher than pre-determined threshold to described macro base station.
107. one kinds of Interference Detection systems, is characterized in that, comprising:
Macro base station as described in claim 54 ~ 58 any one and the small base station as described in claim 59 ~ 62 any one;
Or the macro base station as described in claim 75 ~ 83 any one and the small base station as described in claim 84 ~ 90 any one;
Or the macro base station as described in claim 100 ~ 102 any one and the small base station as described in claim 103 ~ 106 any one.
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