WO2015161440A1 - Procédé de détermination d'un paramètre de configuration et de transmission d'une demande d'ordonnancement et dispositif associé - Google Patents

Procédé de détermination d'un paramètre de configuration et de transmission d'une demande d'ordonnancement et dispositif associé Download PDF

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Publication number
WO2015161440A1
WO2015161440A1 PCT/CN2014/075934 CN2014075934W WO2015161440A1 WO 2015161440 A1 WO2015161440 A1 WO 2015161440A1 CN 2014075934 W CN2014075934 W CN 2014075934W WO 2015161440 A1 WO2015161440 A1 WO 2015161440A1
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WO
WIPO (PCT)
Prior art keywords
resource set
uplink resource
drx
state
base station
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PCT/CN2014/075934
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English (en)
Chinese (zh)
Inventor
权威
张戬
李秉肇
杨晓东
胡振兴
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201480000949.XA priority Critical patent/CN105210427B/zh
Priority to PCT/CN2014/075934 priority patent/WO2015161440A1/fr
Publication of WO2015161440A1 publication Critical patent/WO2015161440A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of communications, and in particular, to a method for determining configuration parameters, transmitting a scheduling request, and related devices. Background technique
  • the Scheduling Request is used by the user equipment (UE) when the uplink data needs to be sent but the uplink data is not sent. , request uplink resources to the network side.
  • the base station first configures an SR parameter for the UE, including a physical uplink control channel (PUCCH) for transmitting the SR, including a period of the SR, a code sequence used by the SR, and the like, and after receiving the configuration parameter, the UE
  • the UE sends an SR using the configured code sequence at the configured resource location, and requests the uplink resource from the base station.
  • the UE may also send the SR resource again in the next SR period until the uplink grant indicating the uplink resource is received or the maximum number of times is received, and the base station is based on the PUCCH resource.
  • Energy detection is performed on different SR code sequences to determine whether a UE transmits an SR, and further allocates an uplink resource to the UE that has transmitted the SR.
  • the uplink signal may be interfered with, and the base station may detect a false alarm (False Alarm), that is, the UE in the cell.
  • the SR is not sent, but the base station considers that the UE sends the SR, so that the uplink resource is allocated to the UE, so that the allocated uplink resource is wasted.
  • the embodiments of the present invention provide a method for determining configuration parameters, sending a scheduling request, and related devices, which are used to reduce signal interference of neighboring cells and save uplink resources.
  • a first aspect of the embodiments of the present invention provides an apparatus for determining configuration parameters, including:
  • a receiving module configured to receive a configuration parameter of a second uplink resource set sent by the second base station, where the second uplink resource set is a set of resources used by the second cell to transmit an uplink signal; a determining module, configured to determine a configuration parameter of a first uplink resource set different from a configuration parameter of the second uplink resource set, where the first uplink resource set is a set of resources used by the uplink cell to transmit an uplink signal.
  • the device further includes:
  • a sending module configured to send a configuration parameter of the first uplink resource set to the third base station, so that the third base station determines a configuration parameter of a third uplink resource set that is different from a configuration parameter of the first uplink resource set,
  • the third uplink resource set is a set of resources used for transmitting the uplink signal in the third cell.
  • the determining module is specifically configured to: select, according to configuration parameters of the second uplink resource set
  • the configuration parameter of the first uplink resource set is such that the second uplink resource set and the first uplink resource set are different in at least one of a time position, a frequency location, a code, or a spatial location.
  • a second aspect of the embodiments of the present invention provides a base station, including:
  • Input device output device, processor, memory and bus
  • the processor performs the following steps:
  • the first uplink resource set is a set of resources used for transmitting the uplink signal in the first cell.
  • the processor further performs the following steps:
  • the processor specifically performs the following steps: Selecting a configuration parameter of the first uplink resource set according to the configuration parameter of the second uplink resource set, so that the second uplink resource set and the first uplink resource set are in a time position, a frequency location, a code or a spatial location. There is at least one difference.
  • a third aspect of the embodiments of the present invention provides a device for sending a scheduling request, including:
  • a state judging module configured to determine whether it is in a preset sending state when the scheduling request SR is triggered; and a processing module, configured to send the SR when the state judging module determines that the preset sending state is in the preset sending state; When the state determination module determines that the preset transmission state is not in progress, the SR is not transmitted.
  • the device further includes:
  • a receiving module configured to receive configuration parameters sent by the base station
  • the trigger determining module is configured to determine, according to the configuration parameter, whether the state determining module is triggered.
  • the status determination module specifically includes:
  • a first determining unit configured to: when the scheduling request SR is triggered, determine whether the DRX ON timer, the DRX inactivity timer, the DRX retransmission timer, or the MAC layer contention resolution timer is running; the first state determining unit, When at least one of the DRX ON timer, the DRX inactivity timer, the DRX retransmission timer, or the MAC layer contention resolution timer is running, it is determined to be in the DRX activation state.
  • the status determination module when the preset sending state is a DRX ON state, specifically includes:
  • a second determining unit configured to determine whether the DRX ON timer is running when the scheduling request SR is triggered
  • the second state determining unit is configured to determine that the DRX ON state is in a state when the DRX ON timer is running.
  • a fourth aspect of the embodiments of the present invention provides a user equipment, including:
  • Input device Input device, output device, processor, memory and bus;
  • the processor performs the following steps:
  • the UE When the UE triggers the scheduling request SR, it is determined whether it is in the preset sending state;
  • the SR is not transmitted.
  • the processor further performs the following steps:
  • the processor when the preset sending state is a DRX active state, the processor performs the following steps:
  • the scheduling request SR When the scheduling request SR is triggered, it is determined whether the DRX ON timer, the DRX inactivity timer, the DRX retransmission timer, or the MAC layer contention resolution timer is running;
  • the DRX ON timer When at least one of the DRX ON timer, the DRX inactivity timer, the DRX retransmission timer, or the MAC layer contention resolution timer is running, it is determined to be in the DRX active state.
  • the processor when the preset sending state is a DRX ON state, the processor performs the following steps:
  • a fifth aspect of the embodiments of the present invention provides a device for sending a scheduling request, including: a sending module, configured to send a configuration parameter to a UE, where the configuration parameter is used to enable the UE to perform a preset operation, where the preset operation is performed.
  • a sending module configured to send a configuration parameter to a UE, where the configuration parameter is used to enable the UE to perform a preset operation, where the preset operation is performed.
  • a sixth aspect of the embodiments of the present invention provides a base station, including:
  • Input device output device, processor, memory and bus
  • the processor performs the following steps:
  • a seventh aspect of the embodiments of the present invention provides a method for determining configuration parameters, including:
  • the first base station receives the configuration parameter of the second uplink resource set sent by the second base station, where the second uplink resource set is a set of resources used by the second cell to transmit the uplink signal;
  • the first base station determines a configuration parameter of a first uplink resource set different from a configuration parameter of the second uplink resource set, where the first uplink resource set is a set of resources used for transmitting an uplink signal in the first cell.
  • the method further includes:
  • the first base station sends the configuration parameter of the first uplink resource set to the third base station, so that the third base station determines a configuration parameter of the third uplink resource set that is different from the configuration parameter of the first uplink resource set,
  • the third uplink resource set is a set of resources used for transmitting the uplink signal in the third cell.
  • the determining, by the second uplink resource, the first uplink resource that is different from the configuration parameter of the second uplink resource set specifically include:
  • the first base station selects a configuration parameter of the first uplink resource set according to the configuration parameter of the second uplink resource set, so that the second uplink resource set and the first uplink resource set are at a time position and a frequency position. There is at least one difference in the code or space location.
  • the uplink signal is a sounding reference SRS signal.
  • a physical uplink control channel PUCCH signal where the PUCCH signal includes a scheduling request SR, or a channel quality indicator CQI, or channel state information CSI, or uplink feedback of downlink data.
  • the configuration parameter includes: an uplink physical resource Set information, and/or, code sequence set information, and/or transmit power information, and/or transmit power threshold information, and/or load parameters of an uplink physical resource set, and/or, uplink physical resource set
  • the load resource value where the uplink physical resource set information includes: Time domain location information of the resource set, and/or frequency domain location information of the uplink physical resource set.
  • An eighth aspect of the embodiments of the present invention provides a method for sending a scheduling request, including: when a user equipment UE triggers a scheduling request SR, the UE determines whether it is in a preset sending state;
  • the UE sends the SR
  • the UE does not send the SR.
  • the UE determines whether it is in the preset sending state step. Also includes:
  • Determining whether it is in the preset sending state specifically includes:
  • the DRX ON timer When at least one of the DRX ON timer, the DRX inactivity timer, the DRX retransmission timer, or the MAC layer contention resolution timer is running, it is determined to be in the DRX active state.
  • Determining whether it is in the preset sending state specifically includes:
  • a ninth aspect of the embodiments of the present invention provides a method for sending a scheduling request, where: the base station sends a configuration parameter to the UE, where the configuration parameter is used to enable the UE to perform a preset operation, where the preset operation is triggered by the UE.
  • the UE determines whether it is in a preset transmission state.
  • the first base station receives the first a configuration parameter of the second uplink resource set sent by the second base station, where the second uplink resource set is a set of resources used by the second cell to transmit the uplink signal, and then determining a first uplink that is different from the configuration parameter of the second uplink resource set a configuration parameter of the resource set, where the first uplink resource set is a set of resources used for transmitting the uplink signal in the first cell, such that the configuration parameter of the first uplink resource set is different from the configuration parameter of the second uplink resource set, because the neighboring The configuration of the uplink resources in the area is different.
  • the uplink cells use the uplink resources, the signal interference caused by the same configuration does not occur, resulting in waste of uplink resources, effectively reducing signal interference of neighboring cells and saving uplink resources.
  • the UE When the UE triggers the SR, the UE first determines whether it is in the preset transmission state. When not in the preset transmission state, the UE does not send the SR, so that the timing of the UE transmitting the SR is limited, and the base station is prevented from being non-preset in the UE. The false alarm in the transmission state reduces the waste of PDCCH resources and PUSCH resources.
  • FIG. 1 is a schematic structural diagram of an apparatus for determining configuration parameters in an embodiment of the present invention
  • FIG. 2 is another schematic structural diagram of an apparatus for determining configuration parameters in an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a base station according to an embodiment of the present invention
  • FIG. 4 is a schematic flowchart of a method for determining configuration parameters in an embodiment of the present invention.
  • FIG. 5 is another schematic flowchart of a method for determining a configuration parameter in an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of a device for sending a scheduling request according to an embodiment of the present invention
  • FIG. 7 is another schematic structural diagram of an apparatus for sending a scheduling request according to an embodiment of the present invention
  • FIG. 8 is another schematic structural diagram of an apparatus for sending a scheduling request according to an embodiment of the present invention
  • FIG. 10 is a schematic structural diagram of another apparatus for transmitting a scheduling request according to an embodiment of the present invention
  • FIG. 11 is a schematic flowchart of a method for sending a scheduling request according to an embodiment of the present invention
  • FIG. 12 is another schematic flowchart of a method for sending a scheduling request according to an embodiment of the present invention. detailed description
  • the device that determines the configuration parameter is used as the first base station, or the device that determines the configuration parameter is located in the first base station.
  • first, second, etc. may be used to describe each base station, cell or set of uplink resources in the embodiments of the present invention
  • the set of stations, cells or uplink resources should not be limited to these terms. These terms are only used to distinguish a set of stations, cells or uplink resources from each other.
  • the first base station may also be referred to as a second base station without departing from the scope of the embodiments of the present invention.
  • the second base station may also be referred to as a first base station; similarly, the second uplink resource set is also It can be referred to as a third uplink resource set and the like, which is not limited in this embodiment of the present invention.
  • an embodiment of an apparatus for determining a configuration parameter in an embodiment of the present invention includes: a receiving module 101, configured to receive a configuration parameter of a second uplink resource set sent by a second base station, where the second uplink resource set is a set of resources used by the uplink signal in the two cells;
  • the determining module 102 is configured to determine a configuration parameter of a first uplink resource set different from a configuration parameter of the second uplink resource set, where the first uplink resource set is a set of resources used for transmitting an uplink signal in the first cell.
  • the determining module 102 determines a configuration parameter of the first uplink resource set that is different from the configuration parameter of the second uplink resource set, such that Because the configuration of the uplink resources in the adjacent area is different, the neighboring cell does not have the signal interference caused by the same configuration when using the uplink resource, which causes the problem of wasted uplink resources, effectively reducing the signal interference of the neighboring cell, and saving. Upstream resources.
  • the device may also send the configuration parameter of the first uplink resource set to the third base station.
  • another embodiment of the device for determining configuration parameters in the embodiment of the present invention includes: a receiving module 201, Receiving, by the second base station, a configuration parameter of the second uplink resource set, where the second uplink resource set is a set of resources used by the second cell to transmit the uplink signal;
  • a determining module 202 configured to determine a configuration parameter of a first uplink resource set different from a configuration parameter of the second uplink resource set, where the first uplink resource set is a set of resources used by the uplink cell to transmit an uplink signal;
  • the device for determining the configuration parameter further includes:
  • the sending module 203 is configured to send the configuration parameter of the first uplink resource set to the third base station, so that the third base station determines a configuration parameter of the third uplink resource set that is different from the configuration parameter of the first uplink resource set, where
  • the three uplink resource sets are a set of resources used for transmitting uplink signals in the third cell.
  • the determining module 202 is configured to: select the configuration parameter of the first uplink resource set according to the configuration parameter of the second uplink resource set, so that the second uplink resource set and the first uplink resource set There is at least one difference in time position, frequency position, code, space (such as coverage, power, etc.).
  • the sending module 203 may send the configuration parameter of the first uplink resource set to the third base station, so that the third base station determines the configuration parameter of the third uplink resource set that is different from the configuration parameter of the first uplink resource set, such that The mutual interference between the first cell and the third cell can also be avoided.
  • the second base station may further send the configuration parameter of the second uplink resource set to the third base station, so that the third base station determines the configuration parameter of the first uplink resource set and the configuration of the second uplink resource set.
  • the configuration parameters of the third uplink resource set with different parameters may be such that mutual interference between the first cell, the second cell and the third cell is also avoided.
  • the device determining the configuration parameter is used as the first base station or located in the first base station;
  • the second base station sends a transmit power range (-10 dB to -12 dB) of the SR resources allocated to the UE (such as the edge area UE) in the second cell to the first base station of the neighboring cell, or the second base station sends the second cell.
  • a code code 0 and code 1
  • the determining module 202 determines that the transmit power range of the SR resource allocated to the first cell UE is -8 dB to -6 dB, so that the signal sent on the SR resource of the first cell UE is The signal transmitted on the SR resource of the second cell UE is not overwritten
  • the determining module 202 determines that the SR resource time position allocated to the first cell UE (such as the edge area UE) is subframe 1 and subframe 6 of each radio frame, The signal sent on the SR resource of the first cell UE and the signal sent by the SR resource of the second cell UE do not overlap in time, or after the receiving module 201 receives the frequency configuration parameter, the determining module 202 determines The SR resource frequency position allocated to the first cell UE (such as the edge area UE) is the physical resource block 1 and the subframe 48, so that the signal sent on the SR resource of the first cell UE and the SR of
  • the determining module 202 determines that the SR resource codes allocated to the first cell UE (such as the edge area UE) are code 2 and code 3. So that the signal sent on the SR resource of the first cell UE does not overlap with the code used by the signal sent on the SR resource of the second cell UE;
  • the sending module 203 sends the transmit power range of the first cell edge region to the third base station of the neighboring cell, so that the third base station determines the transmit power range of the SR resource allocated by the third cell to the UE according to the transmit power range of the first cell.
  • the sending module 203 sends the SR resource time position information allocated to the first cell UE (such as the edge area UE) to the third base station of the neighboring cell, so that the third base station according to the SR resource time
  • the location information determines that the SR resource time position allocated by the third cell to the UE (such as the edge area UE) is subframe 2 and subframe 7 of each radio frame, or the sending module 203 is allocated to the first cell UE (such as the edge area UE).
  • the SR resource frequency location information is sent to the third base station of the neighboring cell, so that the third base station determines, according to the SR resource frequency location information, the SR resource frequency location allocated by the third cell to the UE (such as the edge area UE) for each Physical resource block 2 and subframe 47.
  • the device for determining the configuration parameter in the embodiment of the present invention is described above from the perspective of the unitized functional entity.
  • the base station in the embodiment of the present invention is described from the perspective of hardware processing. Referring to FIG. 3, in the embodiment of the present invention, Another embodiment of the base station 300 includes:
  • the input device 301, the output device 302, the processor 303, and the memory 304 (wherein the number of processors 303 in the base station 300 may be one or more, and one processor 303 is taken as an example in Fig. 3).
  • the input device 301, the output device 302, the processor 303, and the memory 304 may be connected by a bus or other means, wherein FIG. 3 is exemplified by a bus connection.
  • the processor 303 is configured to execute the following by calling an operation instruction stored in the memory 304. Steps:
  • the first uplink resource set is a set of resources used for transmitting an uplink signal in the first cell
  • the processor 303 is further configured to perform the following steps:
  • the second base station may further send the configuration parameter of the second uplink resource set to the third base station, so that the third base station determines the third uplink resource set that is different from the configuration parameter of the first uplink resource set and the configuration parameter of the second uplink resource set.
  • the configuration parameters are such that mutual interference can be avoided between the first cell, the second cell, and the third cell.
  • the processor 303 specifically performs the following steps:
  • an embodiment of the method for determining configuration parameters in the embodiment of the present invention includes:
  • the first base station receives configuration parameters of the second uplink resource set sent by the second base station.
  • the first base station is a base station of the first cell
  • the second base station is a base station of the second cell
  • the first cell is adjacent to the second cell.
  • the second base station may send the configuration parameter of the second uplink resource set to the first base station, where the second uplink resource set is a set of resources used for transmitting the uplink signal in the second cell, and the first base station receives the second base station The configuration parameter of the second uplink resource set.
  • the first base station determines a configuration parameter of a first uplink resource set that is different from a configuration parameter of the second uplink resource set.
  • the first base station After the first base station receives the configuration parameter of the second uplink resource set, the first base station determines a configuration parameter of the first uplink resource set that is different from the configuration parameter of the second uplink resource set, and the first uplink The resource set is a set of resources used by the uplink signal in the first cell.
  • the first base station receives the configuration parameter of the second uplink resource set sent by the second base station, where the second uplink resource set is a set of resources used for transmitting the uplink signal in the second cell, and then determines the second a configuration parameter of the first uplink resource set with different configuration parameters of the uplink resource set, where the first uplink resource set is a set of resources used for transmitting the uplink signal in the first cell, and thus, configuration parameters of the first uplink resource set and the second The configuration parameters of the uplink resource set are different. Because the configuration of the uplink resources in the adjacent area is different, the neighboring cell does not have the signal interference caused by the same configuration when using the uplink resource, which causes the problem of wasted uplink resources, effectively reducing the phase. The signal interference of the neighboring cell saves uplink resources.
  • the first base station may further send configuration parameters of the first uplink resource to the third base station.
  • another embodiment of the method for determining configuration parameters in the embodiment of the present invention includes: 501. Receiving configuration parameters of the second uplink resource set sent by the second base station; the first base station is a base station of the first cell, the second base station is a base station of the second cell, the first cell and the second cell are neighboring cells, and the second base station is The configuration parameter of the second uplink resource set may be sent to the first base station, where the second uplink resource set is a set of resources used for transmitting the uplink signal in the second cell, and the first base station receives the second uplink resource set sent by the second base station. Configuration parameters.
  • the uplink signal may be a sounding reference SRS signal or a physical uplink control channel PUCCH signal, where the physical uplink control channel PUCCH signal may include: a scheduling request SR, or a channel quality indicator CQI, or channel state information CSI, or uplink feedback of downlink data, This is not a limitation.
  • the configuration parameters may include: uplink physical resource set information, and/or, code sequence set information, and/or transmit power information, and/or transmit power threshold information, and/or load parameters of the uplink physical resource set. And/or, a load threshold of the uplink physical resource set, where the uplink physical resource set information includes: time domain location information of the uplink physical resource set, and/or frequency domain location information of the uplink physical resource set.
  • the configuration parameter of one scheduling request SR of the foregoing line signal may include physical resource related parameters used by the SR, such as which physical resource blocks (PRBs) are used, and location information of the PRBs in time. ; Code sequence related parameters used by SR, such as which code sequences are used (each PRB may have 36 code sequences for SR); may also include SR transmit power threshold parameters, such as SR transmit power greater than or equal to 30 dBm, or SR Transmit power is less than or Equal to 30dBm; may also include load parameters of SR resources, such as high, medium, low, etc.; SR resource time position parameters, such as at which time points the SR is configured, such as SR in subframes 0 and 5 of each radio frame Information such as resources.
  • Physical resource related parameters used by the SR such as which physical resource blocks (PRBs) are used, and location information of the PRBs in time.
  • Code sequence related parameters used by SR such as which code sequences are used (each PRB may have 36
  • the first base station determines a configuration parameter of a first uplink resource set that is different from a configuration parameter of the second uplink resource set.
  • the first base station After the first base station receives the configuration parameter of the second uplink resource set, the first base station determines a configuration parameter of the first uplink resource set that is different from the configuration parameter of the second uplink resource set, where the first uplink resource set is the first cell.
  • the method for determining a configuration parameter of a first uplink resource set different from a configuration parameter of the second uplink resource set may include:
  • the second uplink resource set may be a set of all uplink resources in the second cell
  • the first base station may determine that the first camp is different from the configuration parameters of all uplink resource sets in the second cell. Configuration parameters for the collection of all upstream resources.
  • the second uplink resource set may also be a subset of all uplink resource sets in the second cell, and the second cell may first determine the protected uplink resource set, where the first base station may be according to the second. Determining, by the base station, a configuration parameter of the protected uplink resource set and a location of the protected uplink resource set to determine a corresponding configuration parameter and an application location, for example, the second base station determines that the second uplink resource set is allocated to the second cell.
  • An uplink resource set (for example, an SR resource) of the edge UE, where the second base station sends the second uplink resource set to the first base station, and the first base station may avoid using the same uplink resource allocation to the edge located at the first cell.
  • the transmit power threshold may also be used to distinguish different uplink resource configuration parameters, for example, if the second base station allocates resources to the second cell edge, the UE transmit power is greater than or equal to a certain threshold. a parameter, the first base station may allocate the UE transmit power to the edge of the first cell to be less than or equal to The resource parameters of a certain threshold, there are many other things that can make the first cell and the second cell edge
  • the uplink resource parameters are set in different manners. For example, a plurality of different uplink resource sets may be divided, and the transmission power interval may be divided into more intervals, etc., which is not limited herein.
  • the first base station sends the configuration parameter of the first uplink resource set to the third base station, so that the third base station determines a configuration parameter of the third uplink resource set that is different from the configuration parameter of the first uplink resource set.
  • the configuration parameter of the first uplink resource set may be sent to the third base station, so that the third base station determines a third configuration that is different from the configuration parameter of the first uplink resource set.
  • a configuration parameter of the uplink resource set where the third base station is a base station of the third cell, the third cell is a neighboring cell of the first cell, and the third uplink resource set is a set of resources used for transmitting the uplink signal in the third cell.
  • the set of uplink resources whose configuration parameters are different from each other may be determined to reduce signal interference between adjacent cells.
  • the first base station may send the configuration parameter of the first uplink resource set to the third base station, so that the third base station determines the configuration parameter of the third uplink resource set that is different from the configuration parameter of the first uplink resource set, such that The uplink signals of the first cell and the third cell can not interfere with each other, and the uplink signals of the first cell and the third cell can not interfere with each other.
  • the uplink cells can be extended to all the neighboring cells, and the phase is solved. The problem of uplink signal interference between neighboring cells.
  • the second base station sends a transmit power range (-10 dB to -12 dB) of the SR resources allocated to the UE (such as the edge area UE) in the second cell to the first base station of the neighboring cell, or the second base station sends the second cell.
  • a code code 0 and code 1
  • the first base station After receiving the transmit power range, the first base station determines that the transmit power range of the SR resource allocated to the first cell UE is -8 dB to -6 dB, so that the signal sent on the SR resource of the first cell UE is The signal coverage sent on the SR resources of the second cell UE does not overlap, or the first base After receiving the time configuration parameter, the station determines that the SR resource time position allocated to the first cell UE (such as the edge area UE) is subframe 1 and subframe 6 of each radio frame, so that the SR of the first cell UE The signal sent on the resource does not overlap with the signal sent on the SR resource of the second cell UE, or after receiving the frequency configuration parameter, the first base station determines to allocate to the first cell UE (such as the edge area UE).
  • the SR resource frequency location is the physical resource block 1 and the subframe 48, such that the signal transmitted on the SR resource of the first cell UE does not overlap with the signal transmitted on the SR resource of the second cell UE, or
  • the first base station determines that the SR resource code allocated to the first cell UE (such as the edge area UE) is code 2 and code 3, so that the SR resource of the first cell UE is sent.
  • the signal does not overlap with a code used by a signal transmitted on the SR resource of the second cell UE;
  • the first base station sends the transmit power range of the first cell edge region to the third base station of the neighboring cell, so that the third base station determines the transmit power range of the SR resource allocated by the third cell to the UE according to the transmit power range of the first cell.
  • the first base station sends the SR resource time position information allocated to the first cell UE (such as the edge area UE) to the third base station of the neighboring cell, so that the third base station is configured according to the SR resource time.
  • the location information determines that the SR resource time position allocated by the third cell to the UE (such as the edge area UE) is subframe 2 and subframe 7 of each radio frame, or the first base station is allocated to the first cell UE (such as the edge area UE).
  • the SR resource frequency location information is sent to the third base station of the neighboring cell, so that the third base station determines, according to the SR resource frequency location information, the SR resource frequency location allocated by the third cell to the UE (such as the edge area UE) for each Physical resource block 2 and subframe 47.
  • the device for sending a scheduling request in the embodiment of the present invention is described below.
  • an embodiment of the device for sending a scheduling request in the embodiment of the present invention includes: a state determining module 601, configured to determine, when the user equipment UE triggers the scheduling request SR, whether it is in a preset sending state;
  • the processing module 602 is configured to: when the state determining module 601 determines that the state is in the preset sending state, send the SR; when the state determining module 602 determines that the preset sending state is not in the preset sending state, does not send The SR.
  • the state determining module 601 first determines whether it is in the preset sending state, and when not in the preset sending state, the processing module 602 does not send The SR is sent, which limits the timing of the user equipment to send the SR, and avoids the false alarm when the UE is in the non-preset transmission state, which reduces the waste of PDCCH resources and PUSCH resources.
  • the device that sends the scheduling request may determine whether to trigger the state determining module 601 according to the configuration parameter sent by the base station.
  • another embodiment of the device for sending a scheduling request in the embodiment of the present invention includes:
  • the status determining module 701 is configured to determine, when the user equipment UE triggers the scheduling request SR, whether it is in a preset sending state;
  • the processing module 702 is configured to: when the state determining module 701 determines that the state is in the preset sending state, send the SR; when the state determining module 702 determines that the preset sending state is not in the preset sending state, does not send The SR;
  • the device that sends the scheduling request further includes:
  • the receiving module 703 is configured to receive configuration parameters sent by the base station.
  • the trigger determining module 704 is configured to determine, according to the configuration parameter, whether to trigger the state determining module 701.
  • the receiving module 703 first receives the configuration parameter sent by the base station, and the trigger determining module 704 determines whether to trigger the state determining module 704 according to the configuration parameter, so that in the actual application, the UE can be backward compatible, except that it can be used.
  • the manner in which the SR transmission timing is limited may be directly transmitted in the existing manner if the base station does not perform the upgrade or the actual situation requires it.
  • the state determining module 701 determines whether it is in the preset sending state. In the actual application, when the preset sending state is the DRX active state, the state determining module 701 can determine whether the timer is in advance by determining whether each timer is running.
  • the device for sending a scheduling request in the embodiment of the present invention includes:
  • the state determining module 801 is configured to determine, when the user equipment UE triggers the scheduling request SR, whether it is in a preset sending state;
  • the processing module 802 is configured to: when the state determining module 801 determines that the state is in the preset sending state, send the SR; when the state determining module 802 determines that the preset sending state is not in the preset sending state, does not send The SR;
  • the device for sending the scheduling request further includes:
  • the receiving module 803 is configured to receive configuration parameters sent by the base station;
  • the trigger determining module 804 is configured to determine, according to the configuration parameter, whether the state determining module 801 is triggered;
  • the state determining module 801 specifically includes:
  • the first determining unit 8011 is configured to: when the scheduling request SR is triggered, determine whether the DRX ON timer, the DRX inactive timer, the DRX retransmission timer, or the MAC layer contention resolution timer is running;
  • the first state determining unit 8012 determines that the DRX activation state is determined when at least one of the DRX ON timer, the DRX inactivity timer, the DRX retransmission timer, or the MAC layer contention resolution timer is running. .
  • the first determining unit 8011 determines whether the DRX ON timer, the DRX inactive timer, the DRX retransmission timer, or the MAC layer contention resolution timer is Running, when at least one of the DRX ON timer, the DRX inactivity timer, the DRX retransmission timer, or the MAC layer contention resolution timer is running, the first state determining unit 8012 determines to be in the DRX activation state, That is, it is in the preset transmission state, so that the judgment of the preset transmission state is more accurate.
  • the preset transmission state may also be a DRX ON state
  • the state determination module 801 may determine whether the DRX ON timer is in a preset transmission state by referring to whether the DRX ON timer is running. Referring to FIG. 9, the sending is performed in the embodiment of the present invention.
  • Another embodiment of a device for scheduling requests includes:
  • the state determining module 901 is configured to determine, when the user equipment UE triggers the scheduling request SR, whether it is in a preset sending state;
  • the processing module 902 is configured to: when the state determining module 901 determines that it is in the preset sending state, send the SR; when the state determining module 902 determines that the preset sending state is not in the preset sending state, does not send The SR;
  • the device for sending the scheduling request further includes:
  • the receiving module 903 is configured to receive configuration parameters sent by the base station.
  • the trigger determining module 904 is configured to determine, according to the configuration parameter, whether the state determining module 901 is triggered;
  • the state determination module 901 Specifically include:
  • the second determining unit 9011 is configured to determine, when the scheduling request SR is triggered, whether the DRX ON timer is running.
  • the second state determining unit 9012 is configured to determine that the DRX ON state is in the DRX ON state when the DRX ON timer is running.
  • the second determining unit 9011 determines whether the DRX ON timer is running, and when the DRX ON timer is running, the second state determining unit 9012 determines to be in the The DRX activation state, that is, in the preset transmission state, makes the judgment of the preset transmission state more accurate.
  • the receiving module 903 receives the configuration parameter sent by the base station (the configuration parameter indicates that the manner for limiting the SR transmission timing is used);
  • Trigger determination module 904 trigger state determination module 901;
  • the second determining unit 9011 determines that the DRX ON timer is running; the second state determining unit 9012 determines that it is in the DRX ON state;
  • Processing module 902 sends the SR.
  • Another embodiment of the user equipment 1000 includes:
  • the input device 1001, the output device 1002, the processor 1003, and the memory 1004 (wherein the number of processors 1003 in the user device 1000 may be one or more, and one processor 1003 in FIG. 10 is taken as an example).
  • the input device 1001, the output device 1002, the processor 1003, and the memory 1004 may be connected by a bus or other means, wherein FIG. 10 is exemplified by a bus connection.
  • the processor 1003 is configured to perform the following steps by calling an operation instruction stored in the memory 1004:
  • the UE When the UE triggers the scheduling request SR, it is determined whether it is in the preset sending state; Sending the SR when it is determined that the preset transmission state is in the preset transmission state;
  • the SR is not sent
  • the processor 1003 is further configured to perform the following steps:
  • the processor 1003 when the preset sending status is a DRX active state, the processor 1003 is specifically configured to perform the following steps:
  • the scheduling request SR When the scheduling request SR is triggered, it is determined whether the DRX ON timer, the DRX inactivity timer, the DRX retransmission timer, or the MAC layer contention resolution timer is running;
  • the DRX ON timer When at least one of the DRX ON timer, the DRX inactivity timer, the DRX retransmission timer, or the MAC layer contention resolution timer is running, it is determined to be in the DRX active state.
  • the processor 1003 when the preset transmission state is a DRX ON state, the processor 1003 is specifically configured to perform the following steps:
  • an embodiment of the method for sending a scheduling request in the embodiment of the present invention includes:
  • the UE determines whether it is in a preset sending state.
  • the UE When the UE triggers the scheduling request SR, the UE first determines whether it is in the preset transmission state; if it is in the preset transmission state, triggers step 1102;
  • step 1103 is triggered.
  • the preset transmission state may be a DRX activation state or a DRX ON state, and may also be a state in which the base station false alarm may be limited to the timing of sending the SR, which is not limited herein.
  • the determining whether the method is in the preset sending state may be:
  • the UE determines that it is in the preset transmission state; otherwise, the UE determines that it is not in the preset transmission state:
  • the DRX ON timer onDurationTimer
  • the DRX inactivity timer ( drx-InactivityTimer ) is running;
  • the DRX retransmission timer ( drx-RetransmissionTimer ) is running;
  • the MAC layer is running on the mac-ContentionResolutionTimer
  • the UE determines that it is in the preset transmission state when the following conditions are met; otherwise, the UE determines that it is not in the preset transmission state:
  • the DRX ON timer (onDurationTimer) is running.
  • the UE sends the SR.
  • the SR may be transmitted.
  • the UE does not send the SR.
  • the SR is not transmitted regardless of whether the SR is triggered or not.
  • the UE when the UE triggers the SR, the UE first determines whether it is in the preset transmission state, for example, whether it is in the DRX activation state. When not in the preset transmission state, the UE does not send the SR, so that the UE sends the SR timing.
  • the limitation is performed to avoid the false alarm of the base station when the UE is in the non-preset transmission state, and the waste of the PDCCH resource and the PUSCH resource is reduced.
  • the user equipment may determine whether to trigger the determination of the preset sending status according to the configuration parameter sent by the base station.
  • another method for sending a scheduling request in the embodiment of the present invention includes:
  • the UE receives configuration parameters sent by the base station.
  • the UE receives the configuration parameter sent by the base station, and the configuration parameter includes the information about the timing of the SR transmission.
  • the configuration parameter may also include a specified logical channel or radio bearer or service, that is, which logical channel or radio bearer or service may be specified in step 1203, which logical channels or radio bearers or services are not executed, where Not limited.
  • the UE determines, according to the configuration parameter, whether to trigger the determination of the preset sending status.
  • the UE determines whether to trigger step 1203 according to the configuration parameter.
  • step 1203 If the configuration parameter has limited information about the SR transmission timing, the UE triggers step 1203. If there is no limited information about the SR transmission timing in the configuration parameter, or the UE does not receive the configuration parameter sent by the base station, when the UE triggers the SR, step 1204 may be directly performed.
  • the UE determines whether it is in a preset sending state.
  • the UE When the UE triggers the scheduling request SR, the UE first determines whether it is in the preset sending state; if it is in the preset sending state, triggers step 1202;
  • step 1203 is triggered.
  • the preset transmission state may be a DRX activation state or a DRX ON state, and may also be a state in which the base station false alarm may be limited to the timing of sending the SR, which is not limited herein.
  • the preset transmission state is the DRX activation state
  • the DRX ON timer, the DRX inactivity timer, the DRX retransmission timer, or the MAC layer contention resolution timer is at least one of the timers, it is determined that the DRX is active.
  • the preset sending state is the DRX ON state
  • the UE sends the SR.
  • the SR may be transmitted.
  • the UE does not send the SR.
  • the SR is not transmitted regardless of whether the SR is triggered or not.
  • the UE first receives the configuration parameter sent by the base station, and then determines, according to the configuration parameter, whether to trigger the step of determining whether it is in the preset sending state, so that in the actual application, the UE performs the upgrade, or the actual situation needs,
  • the SR can be sent directly in the existing way.
  • the UE receives the configuration parameter sent by the base station (the configuration parameter indicates that the manner for limiting the SR transmission timing is used);
  • the UE determines to trigger a judgment on the preset transmission status
  • the UE determines that the DRX ON timer is running
  • the UE determines that it is in the DRX ON state
  • the UE sends the SR.
  • Another embodiment of the device for sending a scheduling request in the embodiment of the present invention includes:
  • a sending module configured to send, to the UE, a configuration parameter, where the configuration parameter is used to enable the UE to perform a preset operation, where the preset operation is that when the UE triggers the scheduling request SR, the UE determines whether it is in a preset sending state.
  • the sending module may send a configuration parameter to the UE, where the configuration parameter is used to enable the UE to perform a preset operation in the preset transmission state, so that the UE can be controlled to switch between the two types of sending SRs.
  • the device for transmitting a scheduling request in the embodiment of the present invention is described above from the perspective of a unitized functional entity.
  • the base station in the embodiment of the present invention is described from the perspective of hardware processing. Another embodiment of the base station in the embodiment of the present invention is described. Includes:
  • the input device, the output device, the processor, and the memory (wherein the number of processors in the base station may be one or more, taking one processor as an example).
  • the input device, the output device, the processor, and the memory may be connected by a bus or other means, wherein the bus connection is taken as an example.
  • the processor is configured to perform the following steps: sending a configuration parameter to the UE, where the configuration parameter is used to enable the UE to perform a preset operation, where the preset operation is when the UE triggers the scheduling.
  • the UE determines whether it is in a preset transmission state.
  • Another embodiment of the base station in the embodiment of the present invention includes:
  • the base station sends configuration parameters to the UE.
  • the base station may send a configuration parameter to the UE, where the configuration parameter is used to enable the UE to perform a preset operation, where the UE determines whether the UE is in the preset transmission state when the UE triggers the scheduling request SR.
  • the base station may send a configuration parameter to the UE, where the configuration parameter enables the UE to perform a preset operation of determining whether it is in a preset transmission state, so that the UE can be controlled to switch in the state of sending two types of SRs, and the information processing is enhanced. Flexibility.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
  • the mutual coupling or direct connection or communication connection shown or discussed may be an indirect engagement or communication connection through some interface, device or unit, and may be in electrical, mechanical or other form.
  • the components displayed by the unit may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the technical solution of the present invention may contribute to the prior art or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the storage medium includes: a USB flash drive, a removable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention porte, dans un mode de réalisation, sur un procédé pour déterminer un paramètre de configuration et transmettre une demande d'ordonnancement et un dispositif associé, qui sont utilisés pour réduire les interférences de signaux d'une cellule adjacente et économiser des ressources de liaison montante. Le procédé du mode de réalisation de la présente invention comprend les étapes suivantes : une première station de base reçoit un paramètre de configuration d'un second ensemble de ressources de liaison montante, le paramètre de configuration étant transmis par une seconde station de base et le second ensemble de ressources de liaison montante étant un ensemble de ressources utilisé pour transmettre des signaux de liaison montante dans une seconde cellule, puis détermine un paramètre de configuration d'un premier ensemble de ressources de liaison montante, le paramètre de configuration étant différent du paramètre de configuration du second ensemble de ressources de liaison montante et le premier ensemble de ressources de liaison montante étant un ensemble de ressources utilisé pour transmettre des signaux de liaison montante dans une première cellule.
PCT/CN2014/075934 2014-04-22 2014-04-22 Procédé de détermination d'un paramètre de configuration et de transmission d'une demande d'ordonnancement et dispositif associé WO2015161440A1 (fr)

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PCT/CN2014/075934 WO2015161440A1 (fr) 2014-04-22 2014-04-22 Procédé de détermination d'un paramètre de configuration et de transmission d'une demande d'ordonnancement et dispositif associé

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