CN103796214B - Avoid processing method, user equipment and the base station of D2D transmission interferences - Google Patents
Avoid processing method, user equipment and the base station of D2D transmission interferences Download PDFInfo
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- CN103796214B CN103796214B CN201210431991.XA CN201210431991A CN103796214B CN 103796214 B CN103796214 B CN 103796214B CN 201210431991 A CN201210431991 A CN 201210431991A CN 103796214 B CN103796214 B CN 103796214B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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Abstract
The embodiments of the invention provide a kind of processing method for avoiding D2D transmission interferences, base station and user equipment.This method includes：The information for the ascending pilot frequency resource for distributing to second user equipment is sent to the first user equipment；The configured information of first user equipment transmission is received, wherein, the configured information indicates that the second user equipment performs the interference information of the uplink transmission resource of D2D transmission to first user equipment and the 3rd user equipment；Interference coordination control is carried out according to the configured information.The method for avoiding D2D transmission interferences of the embodiment of the present invention, the configured information of signal intensity transmission of first user equipment according to the second user equipment of acquisition in ascending pilot frequency resource is received by base station, and interference coordination control is carried out according to the configured information, so as to solve the interference that the uplink signal transmissions of user equipment are transmitted to D2D.
Description
Technical field
The present embodiments relate to the communications field, and more particularly, to a kind of processing side for avoiding D2D transmission interferences
Method, user equipment and base station.
Background technology
Device-to-device（Device-to-Device, D2D）Communication is a kind of under the control of system, it is allowed between terminal
The new technique directly to be communicated by reuse pattern resource.The up-link of D2D general reuse patterns in transmission signal
Resource.In D2D transmission, if user equipment D1 and user equipment D2 has found that mutual distance is close, it is possible to base station is got around, than
Such as evolved base station（ENB or e-NodeB, evolutional Node B）, directly establish and connect and send corresponding data
To other side.D2D can take band resource used in normal cellular communication to save user equipment（UE, User
Equipment）Equipment cost, it is only necessary to increase the receive capabilities in upstream band.
Due to occupying the upstream band of cellular communication, D2D transmission and the uplink of normal cellular system can simultaneously
In the presence of this is possible to that mutual interference can be produced.Particularly the uplink of cellular system is transmitted dry for D2D
Disturb, because cellular system uplink power is adjusted according to path loss of the user equipment apart from base station, when up
User equipment is far apart from base station and distance D2D to it is close when, the huge interference to D2D transmission will be produced.
The content of the invention
The embodiment of the present invention provides a kind of method, base station and user equipment for being used to avoid D2D transmission interferences, can solve the problem that
The interference that the uplink signal transmissions of user equipment are transmitted to D2D.
First aspect, there is provided a kind of method for avoiding D2D transmission interferences, this method include：Sent out to the first user equipment
Send the information for the ascending pilot frequency resource for distributing to second user equipment；The configured information of first user equipment transmission is received, its
In, the configured information indicates that the second user equipment performs the upper of D2D transmission to first user equipment and the 3rd user equipment
The interference information of row transfer resource；Interference coordination control is carried out according to the configured information.
In the first possible implementation, with reference in a first aspect, carrying out interference coordination control according to the configured information
It is specific can be achieved be：Scheduling causes the uplink transmission resource of the second user equipment and uplink used in D2D transmission
Resource is different.
In second of possible implementation, with reference in a first aspect, carrying out interference coordination control according to the configured information
It is specific can be achieved be：The 3rd user equipment is notified to improve the power of D2D transmission.
In the third possible implementation, with reference in a first aspect, being implemented as：The configured information indicate this second
Signal intensity of the user equipment in the ascending pilot frequency resource；Or configured information request base station carries out interference coordination control.
In the 4th kind of possible implementation, with reference to the possible implementation of the first of first aspect or first aspect
Any possible implementation into the third possible implementation of first aspect, is implemented as：The ascending pilot frequency
Resource includes detection reference signal SRS resource or demodulated reference signal DMRS resources.
Second aspect, it is proposed that a kind of method of D2D user equipmenies interference processing, this method include：Base station is received to send
The base station distribute to second user equipment ascending pilot frequency resource information；Second use is monitored in the ascending pilot frequency resource
The uplink pilot signal that family equipment is sent；If the intensity of the uplink pilot signal is transmitted to be formed to the D2D of the D2D user equipmenies
Interference, then send configured information to the base station, and the configured information indicates the second user equipment in the ascending pilot frequency resource
Information of the signal to the D2D interference transmitted.
In the first possible implementation, with reference to second aspect, it is implemented as：The ascending pilot frequency resource includes visiting
Survey reference signal SRS resource or demodulated reference signal DMRS resources.
The third aspect, it is proposed that a kind of base station, the base station include：Transmitting element, divide for being sent to the first user equipment
The information of the ascending pilot frequency resource of dispensing second user equipment；Receiving unit, for receiving the finger of first user equipment transmission
Show information, wherein, the configured information indicates that the second user equipment performs D2D to first user equipment and the 3rd user equipment
The interference information of the uplink transmission resource of transmission；Control unit, for carrying out interference coordination control according to the configured information.
In the first possible implementation, with reference to the third aspect, it is implemented as：The control unit is specifically used for adjusting
Degree make it that the uplink transmission resource of the second user equipment is different from uplink transmission resource used in D2D transmission.
In second of possible implementation, with reference to the third aspect, it is implemented as：The control unit is specifically used for logical
Know that the 3rd user equipment improves the power of D2D transmission.
In the third possible implementation, with reference to the third aspect, it is implemented as：The configured information is used to indicate this
Signal intensity of the second user equipment in the ascending pilot frequency resource；Or the configured information is used to ask base station to carry out interference association
Regulation and control system.
In the 4th kind of possible implementation, with reference to the possible implementation of the first of the third aspect or the third aspect
Any possible implementation into the third possible implementation of the third aspect, is implemented as：The ascending pilot frequency
Resource includes detection reference signal SRS resource or demodulated reference signal DMRS resources.
Fourth aspect, it is proposed that a kind of user equipment, the user equipment include：Receiving unit, sent for receiving base station
The base station distribute to second user equipment ascending pilot frequency resource information；Monitoring unit, in the ascending pilot frequency resource
The upper uplink pilot signal monitored the second user equipment and sent；Transmitting element, if the intensity for the uplink pilot signal
The D2D of the user equipment is transmitted to form interference, then sends configured information to the base station, the configured information indicates the second user
Information of signal of the equipment in the ascending pilot frequency resource to the D2D interference transmitted.
In the first possible implementation, with reference to fourth aspect, it is implemented as：The ascending pilot frequency resource includes visiting
Survey reference signal SRS resource or demodulated reference signal DMRS resources.
Based on above technical scheme, the method for avoiding D2D transmission interferences of the embodiment of the present invention, pass through base station
The instruction that the first user equipment is sent according to signal intensity of the second user equipment of acquisition in ascending pilot frequency resource is received to believe
Breath, and interference coordination control is carried out according to the configured information, D2D is transmitted so as to solve the uplink signal transmissions of user equipment
Interference.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of the prior art
The required accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present invention
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the method flow diagram that the embodiment of the present invention avoids D2D transmission interferences.
Fig. 2 is the interaction diagrams that the embodiment of the present invention avoids D2D transmission interferences.
Fig. 3 is another interaction diagrams that the embodiment of the present invention avoids D2D transmission interferences.
Fig. 4 is another interaction diagrams that the embodiment of the present invention avoids D2D transmission interferences.
Fig. 5 is the method flow diagram of D2D of embodiment of the present invention user equipmenies interference processing.
Fig. 6 is the schematic block diagram of base station of the embodiment of the present invention.
Fig. 7 is the schematic block diagram of user equipment of the embodiment of the present invention.
Fig. 8 is another schematic block diagram of base station of the embodiment of the present invention.
Fig. 9 is another schematic block diagram of user equipment of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
It should be understood that the technical scheme of the embodiment of the present invention can apply to various communication systems, such as：Global system for mobile telecommunications
（GSM, Global System of Mobile communication）System, CDMA（CDMA, Code Division
Multiple Access）System, WCDMA（WCDMA, Wideband Code Division Multiple
Access）System, GPRS（GPRS, General Packet Radio Service）, Long Term Evolution（LTE,
Long Term Evolution）System, LTE FDDs（FDD, Frequency Division Duplex）When system, LTE
Divide duplex（TDD, Time Division Duplex）, UMTS（UMTS, Universal Mobile
Telecommunication System）Deng.
Terminal（Terminal）, user equipment can be referred to as（UE, User Equipment）, mobile station（MS, Mobile
Station）, user equipment etc., can be through wireless access network（RAN, Radio Access Network）With one or more cores
Heart net is communicated, and can be mobile terminal, such as mobile phone（Or it is " honeycomb " phone）With the calculating with mobile terminal
Machine, for example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device, they with it is wireless
Access network exchanges language and/or data.
Base station, can be the base station in GSM or CDMA（BTS, Base Transceiver Station）Or
Base station in WCDMA（NodeB）, can also be the evolved base station in LTE（ENB or e-NodeB, evolutional Node
B）.
Fig. 1 is the method flow diagram that the embodiment of the present invention avoids D2D transmission interferences.Fig. 1 method is performed by base station.
101, the information for the ascending pilot frequency resource for distributing to second user equipment is sent to the first user equipment.
102, receive the configured information of first user equipment transmission.Wherein, the configured information indicates that the second user is set
The interference information of the standby uplink transmission resource that D2D transmission is performed to the first user equipment and the 3rd user equipment；
103, interference coordination control is carried out according to the configured information.
In the embodiment of the present invention, base station can receive the first user equipment according to the second user equipment of acquisition in ascending pilot frequency
The configured information that signal intensity in resource is sent, and interference coordination control is carried out according to the configured information, solve user and set
The interference that standby uplink signal transmissions are transmitted to D2D.
Alternatively, interference coordination control is carried out according to configured information, specifically can be implemented as：Scheduling causes the second user
The uplink transmission resource of equipment is different from uplink transmission resource used in D2D transmission.I.e. by scheduling of resource, used second
The uplink transmission resource of family equipment staggers with uplink transmission resource used in D2D transmission on frequency domain.
Alternatively, interference coordination control is carried out according to configured information, be specifically also implemented as：The 3rd user is notified to set
The standby power for improving D2D transmission.When the 3rd user equipment improves the power of D2D transmission, D2D that second user equipment receives
Signal intensity can strengthen, although now the signal intensity of the uplink of second user equipment will not reduce, the up biography
Defeated signal will diminish to the influence that D2D is transmitted.
Alternatively, the configured information that the first user equipment is sent, can indicate the second user equipment described up
Signal intensity on pilot resources, or request base station carry out interference coordination control.
Alternatively, the ascending pilot frequency resource of second user equipment, can be detection reference signal SRS resource or demodulation reference
Signal DMRS resources.
Fig. 2 is the interaction diagrams that the embodiment of the present invention avoids D2D transmission interferences.
201, base station is that the first user equipment (UE1) and the 3rd user equipment (UE2) distribute D2D uplink transmission resources.
Base station can mark off a part of uplink transmission resource（Resource including frequency domain and time domain）Transmit and use to D2D,
The D2D of first user equipment and the 3rd user equipment transmission is carried out in the resource collection.
202, base station instruction second user equipment (UE2) sends uplink pilot signal in SRS resource.
Produced when base station judges that second user equipment may be transmitted to D2D compared with strong jamming, can be by RRC signaling to the
Two user device configuration SRS resources（Resource including frequency domain and time domain）, instruction second user equipment is in specific time-frequency domain position
Put and uplink pilot signal is sent using specific SRS pilot frequency sequences.
203, the SRS resource information for distributing to second user equipment is sent to the first user equipment by base station.
Base station is that second user equipment is distributed after SRS resource information, can be by the SRS resource information（Including frequency domain and when
The resource in domain）Notify to the first user equipment, so that the first user equipment monitors the upper of the first user equipment in the SRS resource
Row pilot signal.
204, the first user equipment monitors the uplink pilot signal of second user equipment in the SRS resource.
After first user equipment receives the SRS resource information of second user equipment, second is monitored in the SRS resource information
The uplink pilot signal of user equipment.
205, the uplink pilot signal strength information of the second user equipment listened to is sent to base by the first user equipment
Stand.
206, base station sends resource scheduling information to UE2.
Base station is after the information of the first user equipment to report is received, according to the information reported, if it find that this up is led
The intensity of frequency signal exceedes certain thresholding, illustrates that the uplink of second user equipment is transmitted to the D2D of the first user equipment
Generate stronger interference.Now, base station can send resource scheduling information to second user equipment, by the upper of second user equipment
Row transfer resource avoids the resource of the D2D uplink, to avoid the interference to D2D uplink.
Fig. 3 is another interaction diagrams that the embodiment of the present invention avoids D2D transmission interferences.
Step 301,302,303 and 304 are similar with Fig. 2 step 201,202,203 and 204, and the present invention is no longer superfluous herein
State.
305, the first user equipment sends configured information to base station.
First user equipment is strong according to the uplink pilot signal that second user equipment is monitored in the SRS resource information
Degree, judges annoyance level of the uplink pilot signal to the 3rd user equipment to the D2D signals of the first user device transmissions.If
First user equipment judges that the uplink pilot signal produces stronger interference to D2D transmission, influences whether D2D proper communication,
Configured information can be sent to base station, the configured information indicates signal of the second user equipment in the ascending pilot frequency resource to this
D2D transmits to form signal interference.
306, base station notifies the 3rd user equipment to improve D2D transimission power.
The method that base station carries out interference coordination control, except the uplink transmission resource for dispatching second user equipment avoids D2D
Outside transfer resource, the 3rd user equipment can also be notified to improve D2D transimission powers.3rd user equipment improves D2D transimission powers
Afterwards, the intensity for the D2D transmission signals that the first user equipment receives will strengthen, the uplink of corresponding second user equipment
Influence of the signal to the D2D interference transmitted will reduce.
Fig. 4 is another interaction diagrams that the embodiment of the present invention avoids D2D transmission interferences.
401, base station is that the first user equipment (UE1) and the 3rd user equipment (UE2) distribute D2D uplink transmission resources.
Base station can mark off a part of uplink transmission resource（Resource including frequency domain and time domain）Transmit and use to D2D,
The D2D of first user equipment and the 3rd user equipment transmission is carried out in the resource collection.
402, base station instruction second user equipment (UE2) sends uplink pilot signal in DMRS resources.
Produced when base station judges that second user equipment may be transmitted to D2D compared with strong jamming, can be by RRC signaling to the
Two user device configuration DMRS resources, instruction second user equipment use specific DMRS pilot tones sequence in specific time-frequency domain position
Row send uplink pilot signal.
403, the DMRS resource informations for distributing to second user equipment are sent to the first user equipment by base station.
Base station is that second user equipment is distributed after DMRS resource informations, can be by the DMRS resource informations（Including position and
The information of sequence）Notify to the first user equipment, so that the first user equipment monitors the first user equipment in the DMRS resources
Uplink pilot signal.
404, the first user equipment monitors the uplink pilot signal of second user equipment in the DMRS resources.
After first user equipment receives the DMRS resource informations of second user equipment, is monitored in the DMRS resource informations
The uplink pilot signal of two user equipmenies.
405, the uplink pilot signal strength information for monitoring the second user equipment obtained is sent to by the first user equipment
Base station.
After first user equipment monitors the uplink pilot signal intensity for obtaining second user equipment, it can be determined that second user
Whether the upstream signals of equipment can transmit to form interference to D2D.If it is determined that the upstream signals of second user equipment
The influence that signal transmits to D2D is little, can not report.If it is determined that the upstream signals of second user equipment can pass to D2D
It is defeated to form interference, the uplink pilot signal intensity of second user equipment can be sent to base station.
406, base station sends resource scheduling information to UE2.
Base station is after the information of the first user equipment to report is received, according to the information reported, if it find that this up is led
The intensity of frequency signal exceedes certain thresholding, illustrates that the uplink of second user equipment is transmitted to the D2D of the first user equipment
Generate stronger interference.Now, base station can send resource scheduling information to second user equipment, by the upper of second user equipment
Row transfer resource avoids the resource of the D2D uplink, to avoid the interference to D2D uplink.
Fig. 5 is the method flow diagram of D2D of embodiment of the present invention user equipmenies interference processing.Fig. 5 method is by the first user
Equipment performs.
501, receive the information that the ascending pilot frequency resource of second user equipment is distributed in the base station that base station is sent.
502, the uplink pilot signal of second user equipment transmission is monitored in the ascending pilot frequency resource；
503, if the intensity of the uplink pilot signal is transmitted to form interference to the D2D of the D2D user equipmenies, to the base
Stand and send configured information.The configured information indicates that signal of the second user equipment in the ascending pilot frequency resource passes to the D2D
The information of defeated interference.
In the embodiment of the present invention, by monitoring signal of the second user equipment in ascending pilot frequency resource and according to its signal
Intensity sends configured information so that base station carries out interference coordination control to base station, the uplink signal transmissions pair for solving user equipment
The interference of D2D transmission.
Alternatively, in the embodiment of the present invention, the ascending pilot frequency resource can be detection reference signal SRS resource or demodulation ginseng
Examine signal DMRS resources.
Fig. 6 is the schematic block diagram of base station of the embodiment of the present invention 600.Base station 600 may include transmitting element
601, receiving unit 602 and control unit 603.
Transmitting element 601, the letter for the ascending pilot frequency resource for distributing to second user equipment can be sent to the first user equipment
Breath.
Receiving unit 602, the configured information of first user equipment transmission can be received.Wherein, configured information instruction should
Second user equipment performs the interference information of the uplink transmission resource of D2D transmission to the first user equipment and the 3rd user equipment；
Control unit 603, interference coordination control can be carried out according to the configured information.
In the embodiment of the present invention, base station 600 can receive the first user equipment according to the second user equipment of acquisition up
The configured information that signal intensity on pilot resources is sent, and interference coordination control is carried out according to the configured information, solve use
The interference that the uplink signal transmissions of family equipment are transmitted to D2D.
Alternatively, as one embodiment, the schedulable of control unit 603 causes the uplink of the second user equipment to provide
Source is different from uplink transmission resource used in D2D transmission.
Alternatively, as another embodiment, control unit 603 can notify the 3rd user equipment to improve D2D transmission
Power.
Alternatively, alternatively, the configured information that the first user equipment is sent, can indicate the second user equipment in institute
The signal intensity in ascending pilot frequency resource is stated, or request base station carries out interference coordination control.
Alternatively, the ascending pilot frequency resource can be detection reference signal SRS resource or demodulated reference signal DMRS resources.
In the embodiment of the present invention, base station 600 can perform the method that Fig. 2 to Fig. 4 base station performs, and the present invention is no longer superfluous herein
State.
Fig. 7 is the schematic block diagram of user equipment of the embodiment of the present invention 700.User equipment 700 may include receiving unit 701,
Monitoring unit 702 and transmitting element 703.
The ascending pilot frequency resource of second user equipment is distributed in receiving unit 701, the base station that can receive base station transmission
Information.
Monitoring unit 702, the uplink pilot signal of second user equipment transmission can be monitored in the ascending pilot frequency resource.
Transmitting element 703, if the intensity of the uplink pilot signal is transmitted to form interference to the D2D of the user equipment,
Configured information can be sent to the base station.The configured information indicates signal pair of the second user equipment in the ascending pilot frequency resource
The information of the interference of D2D transmission.
In the embodiment of the present invention, user equipment 700 is by monitoring signal of the second user equipment in ascending pilot frequency resource
And configured information is sent so that base station carries out interference coordination control to base station according to its signal intensity, solve the upper of user equipment
Interference of the row signal transmission to D2D transmission.
Alternatively, in the embodiment of the present invention, the ascending pilot frequency resource can be detection reference signal SRS resource or demodulation ginseng
Examine signal DMRS resources.
In the embodiment of the present invention, user equipment 700 can perform Fig. 2 to Fig. 4 the first user equipment（UE1）The method of execution
The method performed with Fig. 5 the first user equipment, the present invention will not be repeated here.
Fig. 8 is the schematic block diagram of base station of the embodiment of the present invention 800.Base station 800 may include transmitting element
803, receiving unit 801, processor 802 and memory 804.
Transmitting element 803, the letter for the ascending pilot frequency resource for distributing to second user equipment can be sent to the first user equipment
Breath.
Receiving unit 801, the configured information of first user equipment transmission can be received.Wherein, configured information instruction should
Second user equipment performs the interference information of the uplink transmission resource of D2D transmission to the first user equipment and the 3rd user equipment.
Processor 802, interference coordination control can be carried out according to the configured information.
Memory 804, the instruction for causing processor 802 to carry out interference coordination control according to the configured information can be stored.
In the embodiment of the present invention, base station 800 can receive the first user equipment according to the second user equipment of acquisition up
The configured information that signal intensity on pilot resources is sent, and interference coordination control is carried out according to the configured information, solve use
The interference that the uplink signal transmissions of family equipment are transmitted to D2D.
The operation of the control base station 800 of processor 802, processor 802 can also be referred to as CPU（Central Processing
Unit, CPU）.Memory 804 can include read-only storage and random access memory, and to processor 802
Instruction and data is provided.The a part of of memory 804 can also include nonvolatile RAM（NVRAM）.Specifically
Application in, each component of base station 800 is coupled by bus system 805, and wherein bus system 805 is except including data
Outside bus, power bus, controlling bus and status signal bus in addition etc. can also be included.But for the sake of clear explanation,
Various buses are all designated as bus system 805 in figure.
The method that the embodiments of the present invention disclose can apply in processor 802, or be realized by processor 802.
Processor 802 is probably a kind of IC chip, has the disposal ability of signal.In implementation process, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 802 or the instruction of software form.Above-mentioned processing
Device 802 can be general processor, digital signal processor（DSP）, application specific integrated circuit（ASIC）, ready-made programmable gate array
（FPGA）Either other PLDs, discrete gate or transistor logic, discrete hardware components.Can realize or
Person performs disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be microprocessor or
Person's processor can also be any conventional processor etc..The step of method with reference to disclosed in the embodiment of the present invention, can be straight
Connect and be presented as that hardware decoding processor performs completion, or performed with the hardware in decoding processor and software module combination
Into.Software module can be located at random access memory, and flash memory, read-only storage, programmable read only memory or electrically-erasable can
In the ripe storage medium in this areas such as programmable memory, register.The storage medium is located at memory 804, and processor 802 is read
Information in access to memory 804, with reference to the step of its hardware completion above method.
Alternatively, the uplink transmission resource of the second user equipment is caused as one embodiment, the schedulable of processor 802
Uplink transmission resource used in being transmitted from the D2D is different.
Alternatively, as another embodiment, processor 802 can notify the 3rd user equipment to improve D2D transmission
Power.
Alternatively, alternatively, the configured information that the first user equipment is sent, can indicate the second user equipment in institute
The signal intensity in ascending pilot frequency resource is stated, or request base station carries out interference coordination control.
Alternatively, the ascending pilot frequency resource can be detection reference signal SRS resource or demodulated reference signal DMRS resources.
In the embodiment of the present invention, base station 800 can perform the method that Fig. 2 to Fig. 4 base station performs, and the present invention is no longer superfluous herein
State.
Fig. 9 is the schematic block diagram of user equipment of the embodiment of the present invention 900.User equipment 900 may include transmitting element 903,
Receiving unit 901, processor 902 and memory 904.
The ascending pilot frequency resource of second user equipment is distributed in receiving unit 901, the base station that can receive base station transmission
Information.
Processing unit 902, second user equipment transmission can be monitored in the ascending pilot frequency resource by receiving unit 901
Uplink pilot signal.
Memory cell 904, it can store so that processing unit 902 is supervised by receiving unit 901 in the ascending pilot frequency resource
Listen the instruction of the uplink pilot signal of second user equipment transmission.
Transmitting element 903, if the intensity of the uplink pilot signal is transmitted to form interference to the D2D of the user equipment,
Configured information can be sent to the base station.The configured information indicates signal pair of the second user equipment in the ascending pilot frequency resource
The information of the interference of D2D transmission.
In the embodiment of the present invention, user equipment 900 is by monitoring signal of the second user equipment in ascending pilot frequency resource
And configured information is sent so that base station carries out interference coordination control to base station according to its signal intensity, solve the upper of user equipment
Interference of the row signal transmission to D2D transmission.
Processor 902 controls the operation of user equipment 900, and processor 902 can also be referred to as CPU（Central
Processing Unit, CPU）.Memory 904 can include read-only storage and random access memory, and
Instruction and data is provided to processor 902.The a part of of memory 904 can also include nonvolatile RAM
（NVRAM）.In specific application, each component of user equipment 900 is coupled by bus system 905, wherein bus
System 905 can also include power bus, controlling bus and status signal bus in addition etc. in addition to including data/address bus.But it is
For the sake of clear explanation, in figure various buses are all designated as bus system 905.
The method that the embodiments of the present invention disclose can apply in processor 902, or be realized by processor 902.
Processor 902 is probably a kind of IC chip, has the disposal ability of signal.In implementation process, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 902 or the instruction of software form.Above-mentioned processing
Device 902 can be general processor, digital signal processor（DSP）, application specific integrated circuit（ASIC）, ready-made programmable gate array
（FPGA）Either other PLDs, discrete gate or transistor logic, discrete hardware components.Can realize or
Person performs disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be microprocessor or
Person's processor can also be any conventional processor etc..The step of method with reference to disclosed in the embodiment of the present invention, can be straight
Connect and be presented as that hardware decoding processor performs completion, or performed with the hardware in decoding processor and software module combination
Into.Software module can be located at random access memory, and flash memory, read-only storage, programmable read only memory or electrically-erasable can
In the ripe storage medium in this areas such as programmable memory, register.The storage medium is located at memory 904, and processor 902 is read
Information in access to memory 904, with reference to the step of its hardware completion above method.
Alternatively, in the embodiment of the present invention, the ascending pilot frequency resource can be detection reference signal SRS resource or demodulation ginseng
Examine signal DMRS resources.
In the embodiment of the present invention, user equipment 900 can perform Fig. 2 to Fig. 4 the first user equipment（UE1）The method of execution
The method performed with Fig. 5 the first user equipment, the present invention will not be repeated here.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, it can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, application-specific and design constraint depending on technical scheme.Professional and technical personnel
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Division, only a kind of division of logic function, can there is other dividing mode, such as multiple units or component when actually realizing
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The mutual coupling discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit
Close or communicate to connect, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part to be contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are causing a computer equipment（Can be
People's computer, server, or network equipment etc.）Perform all or part of step of each embodiment methods described of the present invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage（ROM, Read-Only Memory）, arbitrary access deposits
Reservoir（RAM, Random Access Memory）, magnetic disc or CD etc. are various can be with the medium of store program codes.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
- A kind of 1. processing method for avoiding D2D transmission interferences, it is characterised in that including：The information for the ascending pilot frequency resource for distributing to second user equipment is sent to the first user equipment；The configured information generated according to the information of the ascending pilot frequency resource that first user equipment is sent is received, wherein, The configured information indicates that the second user equipment performs D2D transmission to first user equipment and the 3rd user equipment The interference information of uplink transmission resource；Interference coordination control is carried out according to the configured information,It is described to be included according to configured information progress interference coordination control：Scheduling causes the up biography of the second user equipment Defeated resource is different from uplink transmission resource used in D2D transmission,OrIt is described to be included according to configured information progress interference coordination control：The 3rd user equipment is notified to improve the D2D The power of transmission.
- 2. the method as described in claim 1, it is characterised in thatThe configured information is used to indicate signal intensity of the second user equipment in the ascending pilot frequency resource；OrThe configured information is used to ask base station to carry out interference coordination control.
- 3. method as claimed in claim 1 or 2, it is characterised in that the ascending pilot frequency resource includes detection reference signal SRS Resource or demodulated reference signal DMRS resources.
- A kind of 4. method of D2D user equipmenies interference processing, it is characterised in that including：Receive the information that the ascending pilot frequency resource of second user equipment is distributed in the base station that base station is sent；The uplink pilot signal that the second user equipment is sent is monitored in the ascending pilot frequency resource；If the intensity of the uplink pilot signal is transmitted to form interference to the D2D of the D2D user equipmenies, to the base station Configured information is sent, the configured information indicates the interference information that the second user equipment is transmitted to the D2D,The configured information is additionally operable to trigger the base station and dispatched according to the configured information to cause the second user equipment Uplink transmission resource is different from uplink transmission resource used in D2D transmission,OrThe configured information is additionally operable to trigger the base station and notifies the 3rd user equipment to improve the D2D according to the configured information The power of transmission.
- 5. method as claimed in claim 4, it is characterised in that the ascending pilot frequency resource provides including detection reference signal SRS Source or demodulated reference signal DMRS resources.
- A kind of 6. base station, it is characterised in that including：Transmitting element, for sending the information for the ascending pilot frequency resource for distributing to second user equipment to the first user equipment；Receiving unit, the finger generated according to the information of the ascending pilot frequency resource sent for receiving first user equipment Show information, wherein, the configured information indicates the second user equipment to first user equipment and the 3rd user equipment Perform the interference information of the uplink transmission resource of D2D transmission；Control unit, for carrying out interference coordination control according to the configured information,Described control unit is specifically used for uplink transmission resource and the D2D transmission institute that scheduling causes the second user equipment The uplink transmission resource used is different,OrDescribed control unit is specifically used for the power for notifying the 3rd user equipment to improve the D2D transmission.
- 7. base station as claimed in claim 6, it is characterised in thatThe configured information is used to indicate signal intensity of the second user equipment in the ascending pilot frequency resource；OrThe configured information is used to ask base station to carry out interference coordination control.
- 8. base station as claimed in claims 6 or 7, it is characterised in that the ascending pilot frequency resource includes detection reference signal SRS Resource or demodulated reference signal DMRS resources.
- A kind of 9. user equipment, it is characterised in that including：The letter of the ascending pilot frequency resource of second user equipment is distributed in receiving unit, the base station for receiving base station transmission Breath；Monitoring unit, the uplink pilot signal sent for monitoring the second user equipment in the ascending pilot frequency resource；Transmitting element, if the intensity for the uplink pilot signal is transmitted to form interference to the D2D of the user equipment, Configured information is sent to the base station, the configured information indicates the interference letter that the second user equipment is transmitted to the D2D Breath,The configured information is additionally operable to trigger the base station and dispatched according to the configured information to cause the second user equipment Uplink transmission resource is different from uplink transmission resource used in D2D transmission,OrThe configured information is additionally operable to trigger the base station and notifies the 3rd user equipment to improve the D2D according to the configured information The power of transmission.
- 10. user equipment as claimed in claim 9, it is characterised in that the ascending pilot frequency resource includes detection reference signal SRS resource or demodulated reference signal DMRS resources.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210431991.XA CN103796214B (en) | 2012-11-02 | 2012-11-02 | Avoid processing method, user equipment and the base station of D2D transmission interferences |
| PCT/CN2013/086492 WO2014067487A1 (en) | 2012-11-02 | 2013-11-04 | Processing method for preventing d2d transmission interference, user equipment and base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210431991.XA CN103796214B (en) | 2012-11-02 | 2012-11-02 | Avoid processing method, user equipment and the base station of D2D transmission interferences |
Publications (2)
| Publication Number | Publication Date |
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| CN103796214A CN103796214A (en) | 2014-05-14 |
| CN103796214B true CN103796214B (en) | 2018-01-12 |
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| CN201210431991.XA Active CN103796214B (en) | 2012-11-02 | 2012-11-02 | Avoid processing method, user equipment and the base station of D2D transmission interferences |
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| WO (1) | WO2014067487A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104244392B (en) * | 2013-06-24 | 2017-12-29 | 华为技术有限公司 | D2D transmission is avoided to cause method, base station and the user equipment of uplink interference |
| CN105578493A (en) * | 2014-10-09 | 2016-05-11 | 中兴通讯股份有限公司 | Device-to-device (D2D) interference coordination method, device, base station, and user equipment |
| WO2017107200A1 (en) * | 2015-12-25 | 2017-06-29 | 华为技术有限公司 | Communication method, device and system |
| CN108781159B (en) * | 2016-04-01 | 2021-11-30 | 摩托罗拉移动有限责任公司 | Method and apparatus for scheduling uplink transmissions with reduced delay |
| CN110166213B (en) * | 2018-02-13 | 2021-04-16 | 展讯通信（上海）有限公司 | Reference signal transmitting and receiving method, base station, terminal, storage medium and system |
| CN109905915B (en) * | 2019-01-16 | 2023-01-17 | 深圳职业技术学院 | Internet of things data transmission method of multi-hop network architecture |
| CN111357306B (en) * | 2020-02-21 | 2023-10-10 | 北京小米移动软件有限公司 | Communication processing method, device and computer storage medium |
| EP4187826A4 (en) * | 2020-08-05 | 2023-10-04 | Huawei Technologies Co., Ltd. | Method for suppressing far-end interference, apparatus, and device |
| WO2022151397A1 (en) * | 2021-01-15 | 2022-07-21 | 华为技术有限公司 | Communication method and apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102088736A (en) * | 2011-01-14 | 2011-06-08 | 北京邮电大学 | User position list-based method for selectively multiplexing multiple honeycomb user resources for device to device (D2D) user pairs |
| CN102202311A (en) * | 2010-03-27 | 2011-09-28 | 华为技术有限公司 | Coordination method of interference, equipment and system thereof |
| CN102325327A (en) * | 2011-05-24 | 2012-01-18 | 北京交通大学 | Multi-cell interference suppression method between cell and end-to-end hybrid network |
| CN102365897A (en) * | 2009-03-23 | 2012-02-29 | 诺基亚公司 | Apparatus and method for interference avoidance in mixed device-to-device and cellular environment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130281143A1 (en) * | 2010-09-14 | 2013-10-24 | Nokia Corporation | Method and apparatus for interference-aware wireless communications |
-
2012
- 2012-11-02 CN CN201210431991.XA patent/CN103796214B/en active Active
-
2013
- 2013-11-04 WO PCT/CN2013/086492 patent/WO2014067487A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102365897A (en) * | 2009-03-23 | 2012-02-29 | 诺基亚公司 | Apparatus and method for interference avoidance in mixed device-to-device and cellular environment |
| CN102202311A (en) * | 2010-03-27 | 2011-09-28 | 华为技术有限公司 | Coordination method of interference, equipment and system thereof |
| CN102088736A (en) * | 2011-01-14 | 2011-06-08 | 北京邮电大学 | User position list-based method for selectively multiplexing multiple honeycomb user resources for device to device (D2D) user pairs |
| CN102325327A (en) * | 2011-05-24 | 2012-01-18 | 北京交通大学 | Multi-cell interference suppression method between cell and end-to-end hybrid network |
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| WO2014067487A1 (en) | 2014-05-08 |
| CN103796214A (en) | 2014-05-14 |
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