CN103796214A - Processing method for preventing d2d transmission interference, user equipment and base station - Google Patents
Processing method for preventing d2d transmission interference, user equipment and base station Download PDFInfo
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- CN103796214A CN103796214A CN201210431991.XA CN201210431991A CN103796214A CN 103796214 A CN103796214 A CN 103796214A CN 201210431991 A CN201210431991 A CN 201210431991A CN 103796214 A CN103796214 A CN 103796214A
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- subscriber equipment
- transmission
- resource
- base station
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 126
- 238000003672 processing method Methods 0.000 title claims abstract description 5
- 230000001174 ascending Effects 0.000 claims description 56
- 201000001845 syndromic X-linked intellectual disability Snyder type Diseases 0.000 claims description 25
- 230000015654 memory Effects 0.000 description 27
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- 230000003993 interaction Effects 0.000 description 6
- 230000001413 cellular Effects 0.000 description 5
- 238000000034 methods Methods 0.000 description 5
- 230000000875 corresponding Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reactions Methods 0.000 description 3
- 239000000203 mixtures Substances 0.000 description 3
- 230000001808 coupling Effects 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 280000255884 Dispatching companies 0.000 description 1
- 280000086786 Radio Service companies 0.000 description 1
- 210000003660 Reticulum Anatomy 0.000 description 1
- 238000005516 engineering processes Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- LCTONWCANYUPML-UHFFFAOYSA-N pyruvic acid Chemical compound 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CC(=O)C(O)=O LCTONWCANYUPML-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
- H04W72/04—Wireless resource allocation
- H04W72/08—Wireless resource allocation where an allocation plan is defined based on quality criteria
- H04W72/082—Wireless resource allocation where an allocation plan is defined 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
Abstract
Description
Technical field
The embodiment of the present invention relates to the communications field, and more specifically, relates to processing method, subscriber equipment and base station that a kind of D2D of avoiding transmission is disturbed.
Background technology
Device-to-device (Device-to-Device, D2D) communication is a kind of under the control of system, allows the new technique directly communicating by multiplexing local resource between terminal.The uplink resource of D2D general multiplexing community in the time of signal transmission.In D2D transmission, if subscriber equipment D1 and subscriber equipment D2 find that mutual distance is very near, just can get around base station, such as evolved base station (eNB or e-NodeB, evolutional Node B), directly connect and corresponding data are sent to the other side.D2D can take band resource that normal cellular communication uses to save the equipment cost of subscriber equipment (UE, User Equipment), only need to increase a receiving function in upstream band.
Owing to having taken the upstream band of cellular communication, the uplink meeting of D2D transmission and normal cellular system exists simultaneously, and this just likely can produce interference each other.Particularly the uplink of cellular system is for the interference of D2D transmission, because cellular system uplink transmit power is to adjust apart from the path loss of base station according to subscriber equipment, when uplink user equipment, apart from base station, far and distance B 2D when very near, will produce the huge interference to D2D transmission.
Summary of the invention
The embodiment of the present invention provides a kind of method, base station and subscriber equipment for avoiding D2D transmission to disturb, the interference of the uplink signal transmissions that can solve subscriber equipment to D2D transmission.
First aspect, a kind of method that provides the D2D of avoiding transmission to disturb, the method comprises: the information that sends the ascending pilot frequency resource of distributing to the second subscriber equipment to first user equipment; Receive the indication information that this first user equipment sends, wherein, this indication information indicates this second subscriber equipment this first user equipment and the 3rd subscriber equipment to be carried out to the interfere information of the uplink transmission resource of D2D transmission; Carry out interference coordination control according to this indication information.
In the possible implementation of the first, in conjunction with first aspect, carry out interference coordination control according to this indication information and specifically can be embodied as: it is different that the uplink transmission resource that scheduling makes this second subscriber equipment and this D2D transmit the uplink transmission resource using.
In the possible implementation of the second, in conjunction with first aspect, carry out interference coordination control according to this indication information and specifically can be embodied as: notify the 3rd subscriber equipment to improve the power of this D2D transmission.
In the third possible implementation, in conjunction with first aspect, specific implementation is: this indication information is indicated the signal strength signal intensity of this second subscriber equipment in this ascending pilot frequency resource; Or interference coordination control is carried out in this indication information request base station.
In the 4th kind of possible implementation, in conjunction with the possible implementation of the first of first aspect or first aspect, to any possible implementation in the third possible implementation of first aspect, specific implementation is: this ascending pilot frequency resource comprises detection reference signal SRS resource or demodulated reference signal DMRS resource.
Second aspect, has proposed a kind of D2D subscriber equipment and has disturbed the method for processing, and the method comprises: receive this base station assigns of base station transmission to the information of the ascending pilot frequency resource of the second subscriber equipment; In this ascending pilot frequency resource, monitor the uplink pilot signal that this second subscriber equipment sends; If the intensity of this uplink pilot signal forms and disturbs the D2D transmission of this D2D subscriber equipment, send indication information to this base station, this indication information is indicated the information of the interference of the signal of this second subscriber equipment in this ascending pilot frequency resource to this D2D transmission.
In the possible implementation of the first, in conjunction with second aspect, specific implementation is: this ascending pilot frequency resource comprises detection reference signal SRS resource or demodulated reference signal DMRS resource.
The third aspect, has proposed a kind of base station, and this base station comprises: transmitting element, for send the information of the ascending pilot frequency resource of distributing to the second subscriber equipment to first user equipment; Receiving element, the indication information sending for receiving this first user equipment, wherein, this indication information indicates this second subscriber equipment this first user equipment and the 3rd subscriber equipment to be carried out to the interfere information of the uplink transmission resource of D2D transmission; Control unit, for carrying out interference coordination control according to this indication information.
In the possible implementation of the first, in conjunction with the third aspect, it is different that specific implementation makes this second subscriber equipment for: this control unit uplink transmission resource specifically for scheduling and this D2D transmit the uplink transmission resource using.
In the possible implementation of the second, in conjunction with the third aspect, specific implementation is: this control unit is specifically for notifying the 3rd subscriber equipment to improve the power of this D2D transmission.
In the third possible implementation, in conjunction with the third aspect, specific implementation is: this indication information is used to indicate the signal strength signal intensity of this second subscriber equipment in this ascending pilot frequency resource; Or this indication information is used for asking base station to carry out interference coordination control.
In the 4th kind of possible implementation, in conjunction with the possible implementation of the first of the third aspect or the third aspect, to any possible implementation in the third possible implementation of the third aspect, specific implementation is: this ascending pilot frequency resource comprises detection reference signal SRS resource or demodulated reference signal DMRS resource.
Fourth aspect, has proposed a kind of subscriber equipment, and this subscriber equipment comprises: receiving element, for receiving this base station assigns of base station transmission to the information of the ascending pilot frequency resource of the second subscriber equipment; Monitoring unit, the uplink pilot signal sending for monitor this second subscriber equipment in this ascending pilot frequency resource; Transmitting element, if the intensity for this uplink pilot signal forms and disturbs the D2D transmission of this subscriber equipment, send indication information to this base station, this indication information is indicated the information of the interference of the signal of this second subscriber equipment in this ascending pilot frequency resource to this D2D transmission.
In the possible implementation of the first, in conjunction with fourth aspect, specific implementation is: this ascending pilot frequency resource comprises detection reference signal SRS resource or demodulated reference signal DMRS resource.
Based on above technical scheme, the method for avoiding D2D transmission to disturb of the embodiment of the present invention, by making base station receive the first user equipment indication information that the signal strength signal intensity in ascending pilot frequency resource sends according to the second subscriber equipment obtaining, and carry out interference coordination control according to this indication information, thereby the interference of the uplink signal transmissions that has solved subscriber equipment to D2D transmission.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the method flow diagram that the embodiment of the present invention avoids D2D transmission to disturb.
Fig. 2 is the interaction diagrams that the embodiment of the present invention avoids D2D transmission to disturb.
Fig. 3 is another interaction diagrams that the embodiment of the present invention avoids D2D transmission to disturb.
Fig. 4 is another interaction diagrams that the embodiment of the present invention avoids D2D transmission to disturb.
Fig. 5 is that embodiment of the present invention D2D subscriber equipment disturbs the method flow diagram of processing.
Fig. 6 is the schematic block diagram of embodiment of the present invention base station.
Fig. 7 is the schematic block diagram of embodiment of the present invention subscriber equipment.
Fig. 8 is another schematic block diagram of embodiment of the present invention base station.
Fig. 9 is another schematic block diagram of embodiment of the present invention subscriber equipment.
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 clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Should understand, the technical scheme of the embodiment of the present invention can be applied to various communication systems, for example: global system for mobile telecommunications (GSM, Global System of Mobile communication) system, code division multiple access (CDMA, Code Division Multiple Access) system, Wideband Code Division Multiple Access (WCDMA) (WCDMA, Wideband Code Division Multiple Access) system, GPRS (GPRS, General Packet Radio Service), Long Term Evolution (LTE, Long Term Evolution) system, LTE Frequency Division Duplexing (FDD) (FDD, Frequency Division Duplex) system, LTE time division duplex (TDD, Time Division Duplex), universal mobile telecommunications system (UMTS, Universal Mobile Telecommunication System) etc.
Terminal (Terminal), can be referred to as subscriber equipment (UE, User Equipment), travelling carriage (MS, Mobile Station), subscriber equipment etc., can be through wireless access network (RAN, Radio Access Network) communicate with one or more core net, it can be mobile terminal, as mobile phone (or being called " honeycomb " phone) with there is the computer of mobile terminal, for example, can be portable, pocket, hand-hold type, built-in computer or vehicle-mounted mobile device, they and wireless access network exchange language and/or data.
Base station, can be the base station (BTS, Base Transceiver Station) in GSM or CDMA, can be also the base station (NodeB) in WCDMA, can also be the evolved base station (eNB or e-NodeB, evolutional Node B) in LTE.
Fig. 1 is the method flow diagram that the embodiment of the present invention avoids D2D transmission to disturb.The method of Fig. 1 is carried out by base station.
101, send the information of ascending pilot frequency resource of distributing to the second subscriber equipment to first user equipment.
102, receive the indication information that this first user equipment sends.Wherein, this indication information indicates this second subscriber equipment first user equipment and the 3rd subscriber equipment to be carried out to the interfere information of the uplink transmission resource of D2D transmission;
103, carry out interference coordination control according to this indication information.
In the embodiment of the present invention, base station can receive the first user equipment indication information that the signal strength signal intensity in ascending pilot frequency resource sends according to the second subscriber equipment obtaining, and carry out interference coordination control according to this indication information, the interference of the uplink signal transmissions that has solved subscriber equipment to D2D transmission.
Alternatively, carry out interference coordination control according to indication information, specifically can be implemented as: it is different that the uplink transmission resource that scheduling makes this second subscriber equipment and this D2D transmit the uplink transmission resource using.By scheduling of resource, the uplink transmission resource of the second subscriber equipment and D2D are transmitted to the uplink transmission resource using and on frequency domain, stagger.
Alternatively, carry out interference coordination control according to indication information, specifically can also be embodied as: notify the 3rd subscriber equipment to improve the power of this D2D transmission.In the time that the 3rd subscriber equipment improves the power of D2D transmission, the signal strength signal intensity of the D2D that the second subscriber equipment is received can strengthen, although now the signal strength signal intensity of the uplink of the second subscriber equipment can not reduce, the signal of this uplink will diminish on the impact of D2D transmission.
Alternatively, the indication information that first user equipment sends, can indicate the signal strength signal intensity of described the second subscriber equipment in described ascending pilot frequency resource, or interference coordination control is carried out in request base station.
Alternatively, the ascending pilot frequency resource of the second subscriber equipment, can be detection reference signal SRS resource or demodulated reference signal DMRS resource.
Fig. 2 is the interaction diagrams that the embodiment of the present invention avoids D2D transmission to disturb.
201, base station is that first user equipment (UE1) and the 3rd subscriber equipment (UE2) distribute D2D uplink transmission resource.
Base station can mark off a part of uplink transmission resource (comprising the resource of frequency-domain and time-domain), and to D2D, transmission is used, and the D2D transmission of first user equipment and the 3rd subscriber equipment is carried out in this resource collection.
202, base station indicates the second subscriber equipment (UE2) to send uplink pilot signal in SRS resource.
When judging the second subscriber equipment, base station may produce compared with strong jamming D2D transmission, can give the second user device configuration SRS resource (comprising the resource of frequency-domain and time-domain) by RRC signaling, indication the second subscriber equipment adopts specific SRS pilot frequency sequence to send uplink pilot signal in specific time-frequency domain position.
203, the SRS resource information of distributing to the second subscriber equipment is sent to first user equipment by base station.
Base station is after the second user equipment allocation SRS resource information, this SRS resource information (comprising the resource of frequency-domain and time-domain) can be notified to first user equipment, so that first user equipment is monitored the uplink pilot signal of first user equipment in this SRS resource.
204, first user equipment is monitored the uplink pilot signal of the second subscriber equipment in this SRS resource.
First user equipment is received after the SRS resource information of the second subscriber equipment, is monitored the uplink pilot signal of the second subscriber equipment in this SRS resource information.
205, the uplink pilot signal strength information of the second subscriber equipment listening to is sent to base station by first user equipment.
206, base station sends resource scheduling information to UE2.
Base station is after receiving the information that first user equipment reports, according to the information reporting, if find that the intensity of this uplink pilot signal exceedes certain thresholding, illustrate that the uplink of the second subscriber equipment has produced stronger interference to the D2D transmission of first user equipment.Now, base station can send resource scheduling information to the second subscriber equipment, the uplink transmission resource of the second subscriber equipment is avoided to the resource of this 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 to disturb.
Step 301,302,303 and 304 and the step 201,202 of Fig. 2,203 and 204 similar, the present invention does not repeat them here.
305, first user equipment sends indication information to base station.
First user equipment is according to monitoring the intensity of the uplink pilot signal of the second subscriber equipment in this SRS resource information, judge this uplink pilot signal to the 3rd subscriber equipment the annoyance level to the D2D signal of first user device transmission.If first user equipment judges that transmission produces stronger interference to this uplink pilot signal to D2D, can have influence on the proper communication of D2D, can send indication information to base station, this indication information is indicated the signal of the second subscriber equipment in this ascending pilot frequency resource to form signal to this D2D transmission and is disturbed.
306, base station notifies the 3rd subscriber equipment to improve the through-put power of D2D.
The method of interference coordination control is carried out in base station, avoids D2D transfer resource except dispatching the uplink transmission resource of the second subscriber equipment, can also notify the 3rd subscriber equipment to improve D2D through-put power.The 3rd subscriber equipment improves after D2D through-put power, and the intensity of the D2D signal transmission that first user equipment receives will strengthen, and the impact of the interference of the uplink signal of corresponding the second subscriber equipment on D2D transmission will reduce.
Fig. 4 is another interaction diagrams that the embodiment of the present invention avoids D2D transmission to disturb.
401, base station is that first user equipment (UE1) and the 3rd subscriber equipment (UE2) distribute D2D uplink transmission resource.
Base station can mark off a part of uplink transmission resource (comprising the resource of frequency-domain and time-domain), and to D2D, transmission is used, and the D2D transmission of first user equipment and the 3rd subscriber equipment is carried out in this resource collection.
402, base station indicates the second subscriber equipment (UE2) to send uplink pilot signal in DMRS resource.
When judging the second subscriber equipment, base station may produce compared with strong jamming D2D transmission, can give the second user device configuration DMRS resource by RRC signaling, indication the second subscriber equipment adopts specific DMRS pilot frequency sequence to send uplink pilot signal in specific time-frequency domain position.
403, the DMRS resource information of distributing to the second subscriber equipment is sent to first user equipment by base station.
Base station is after the second user equipment allocation DMRS resource information, this DMRS resource information (comprising the information of position and sequence) can be notified to first user equipment, so that first user equipment is monitored the uplink pilot signal of first user equipment in this DMRS resource.
404, first user equipment is monitored the uplink pilot signal of the second subscriber equipment in this DMRS resource.
First user equipment is received after the DMRS resource information of the second subscriber equipment, is monitored the uplink pilot signal of the second subscriber equipment in this DMRS resource information.
405, the uplink pilot signal strength information of monitoring the second subscriber equipment obtaining is sent to base station by first user equipment.
First user equipment is monitored after the uplink pilot signal intensity that obtains the second subscriber equipment, can judge whether the uplink signal of the second subscriber equipment can form and disturb D2D transmission.If judge that the uplink signal of the second subscriber equipment is little on the impact of D2D transmission, can not report.If judge that the uplink signal of the second subscriber equipment can form and disturb D2D transmission, can send to base station the uplink pilot signal intensity of the second subscriber equipment.
406, base station sends resource scheduling information to UE2.
Base station is after receiving the information that first user equipment reports, according to the information reporting, if find that the intensity of this uplink pilot signal exceedes certain thresholding, illustrate that the uplink of the second subscriber equipment has produced stronger interference to the D2D transmission of first user equipment.Now, base station can send resource scheduling information to the second subscriber equipment, the uplink transmission resource of the second subscriber equipment is avoided to the resource of this D2D uplink, to avoid the interference to D2D uplink.
Fig. 5 is that embodiment of the present invention D2D subscriber equipment disturbs the method flow diagram of processing.The method of Fig. 5 is carried out by first user equipment.
501, receive this base station assigns of base station transmission to the information of the ascending pilot frequency resource of the second subscriber equipment.
502, in this ascending pilot frequency resource, monitor the uplink pilot signal that this second subscriber equipment sends;
503, if the intensity of this uplink pilot signal forms and disturbs the D2D transmission of this D2D subscriber equipment, send indication information to this base station.This indication information is indicated the information of the interference of the signal of this second subscriber equipment in this ascending pilot frequency resource to this D2D transmission.
In the embodiment of the present invention, by monitoring the signal of the second subscriber equipment in ascending pilot frequency resource and sending indication information to base station according to its signal strength signal intensity so that interference coordination control is carried out in base station, the interference of the uplink signal transmissions that has solved subscriber equipment to D2D transmission.
Alternatively, in the embodiment of the present invention, this ascending pilot frequency resource can be detection reference signal SRS resource or demodulated reference signal DMRS resource.
Fig. 6 is the schematic block diagram of embodiment of the present invention base station 600.Base station 600 can comprise transmitting element
601, receiving element 602 and control unit 603.
Transmitting element 601, can send the information of ascending pilot frequency resource that distribute to the second subscriber equipment to first user equipment.
Receiving element 602, can receive the indication information that this first user equipment sends.Wherein, this indication information indicates this second subscriber equipment first user equipment and the 3rd subscriber equipment to be carried out to the interfere information of the uplink transmission resource of D2D transmission;
Control unit 603, can carry out interference coordination control according to this indication information.
In the embodiment of the present invention, base station 600 can receive the first user equipment indication information that the signal strength signal intensity in ascending pilot frequency resource sends according to the second subscriber equipment obtaining, and carry out interference coordination control according to this indication information, the interference of the uplink signal transmissions that has solved subscriber equipment to D2D transmission.
Alternatively, as an embodiment, control unit 603 can be dispatched the uplink transmission resource that makes this second subscriber equipment and this D2D, and to transmit the uplink transmission resource using different.
Alternatively, as another embodiment, control unit 603 can notify the 3rd subscriber equipment to improve the power of this D2D transmission.
Alternatively, alternatively, the indication information that first user equipment sends, can indicate the signal strength signal intensity of described the second subscriber equipment in described ascending pilot frequency resource, or interference coordination control is carried out in request base station.
Alternatively, this ascending pilot frequency resource can be detection reference signal SRS resource or demodulated reference signal DMRS resource.
In the embodiment of the present invention, the method that carry out the base station that base station 600 can execution graph 2 to Fig. 4, the present invention does not repeat them here.
Fig. 7 is the schematic block diagram of embodiment of the present invention subscriber equipment 700.Subscriber equipment 700 can comprise receiving element 701, monitoring unit 702 and transmitting element 703.
Receiving element 701, can receive this base station assigns of base station transmission to the information of the ascending pilot frequency resource of the second subscriber equipment.
Monitoring unit 702 can be monitored the uplink pilot signal that this second subscriber equipment sends in this ascending pilot frequency resource.
Transmitting element 703, if the intensity of this uplink pilot signal forms and disturbs the D2D transmission of this subscriber equipment, can send indication information to this base station.This indication information is indicated the information of the interference of the signal of this second subscriber equipment in this ascending pilot frequency resource to this D2D transmission.
In the embodiment of the present invention, subscriber equipment 700 is by monitoring the signal of the second subscriber equipment in ascending pilot frequency resource and sending indication information to base station according to its signal strength signal intensity so that interference coordination control is carried out in base station, the interference of the uplink signal transmissions that has solved subscriber equipment to D2D transmission.
Alternatively, in the embodiment of the present invention, this ascending pilot frequency resource can be detection reference signal SRS resource or demodulated reference signal DMRS resource.
In the embodiment of the present invention, the method that the method that the first user equipment (UE1) that subscriber equipment 700 can execution graph 2 to Fig. 4 is carried out and the first user equipment of Fig. 5 are carried out, the present invention does not repeat them here.
Fig. 8 is the schematic block diagram of embodiment of the present invention base station 800.Base station 800 can comprise transmitting element
803, receiving element 801, processor 802 and memory 804.
Transmitting element 803, can send the information of ascending pilot frequency resource that distribute to the second subscriber equipment to first user equipment.
Receiving element 801, can receive the indication information that this first user equipment sends.Wherein, this indication information indicates this second subscriber equipment first user equipment and the 3rd subscriber equipment to be carried out to the interfere information of the uplink transmission resource of D2D transmission.
Processor 802, can carry out interference coordination control according to this indication information.
Memory 804, can store and make processor 802 carry out the instruction of interference coordination control according to this indication information.
In the embodiment of the present invention, base station 800 can receive the first user equipment indication information that the signal strength signal intensity in ascending pilot frequency resource sends according to the second subscriber equipment obtaining, and carry out interference coordination control according to this indication information, the interference of the uplink signal transmissions that has solved subscriber equipment to D2D transmission.
Processor 802 is controlled the operation of base station 800, and processor 802 can also be called CPU(Central Processing Unit, CPU).Memory 804 can comprise read-only memory and random access memory, and provides instruction and data to processor 802.A part for memory 804 can also comprise nonvolatile RAM (NVRAM).In concrete application, each assembly of base station 800 is coupled by bus system 805, and wherein bus system 805, except comprising data/address bus, can also comprise power bus, control bus and status signal bus in addition etc.But for the purpose of clearly demonstrating, in the drawings various buses are all designated as to bus system 805.
The method that the invention described above embodiment discloses can be applied in processor 802, or is realized by processor 802.Processor 802 may be a kind of integrated circuit (IC) chip, has the disposal ability of signal.In implementation procedure, each step of said method can complete by the instruction of the integrated logic circuit of the hardware in processor 802 or form of software.Above-mentioned processor 802 can be general processor, digital signal processor (DSP), application-specific integrated circuit (ASIC) (ASIC), ready-made programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic device, discrete hardware components.Can realize or carry out disclosed each method, step and logic diagram in the embodiment of the present invention.General processor can be that microprocessor or this processor can be also the processors of any routine etc.Can directly be presented as that in conjunction with the step of the disclosed method of the embodiment of the present invention hardware decoding processor is complete, or complete with the hardware in decoding processor and software module combination.Software module can be positioned at random asccess memory, and flash memory, read-only memory, in the storage medium of this area maturations such as programmable read only memory or electrically erasable programmable memory, register.This storage medium is positioned at memory 804, and the information in processor 802 read memories 804 completes the step of said method in conjunction with its hardware.
Alternatively, as an embodiment, processor 802 can be dispatched the uplink transmission resource that makes this second subscriber equipment and this D2D, and to transmit the uplink transmission resource using different.
Alternatively, as another embodiment, processor 802 can notify the 3rd subscriber equipment to improve the power of this D2D transmission.
Alternatively, alternatively, the indication information that first user equipment sends, can indicate the signal strength signal intensity of described the second subscriber equipment in described ascending pilot frequency resource, or interference coordination control is carried out in request base station.
Alternatively, this ascending pilot frequency resource can be detection reference signal SRS resource or demodulated reference signal DMRS resource.
In the embodiment of the present invention, the method that carry out the base station that base station 800 can execution graph 2 to Fig. 4, the present invention does not repeat them here.
Fig. 9 is the schematic block diagram of embodiment of the present invention subscriber equipment 900.Subscriber equipment 900 can comprise transmitting element 903, receiving element 901, processor 902 and memory 904.
Receiving element 901, can receive this base station assigns of base station transmission to the information of the ascending pilot frequency resource of the second subscriber equipment.
Processing unit 902 can be monitored by receiving unit 901 uplink pilot signal that this second subscriber equipment sends in this ascending pilot frequency resource.
Memory cell 904, can store and make processing unit 902 in this ascending pilot frequency resource, monitor the instruction of the uplink pilot signal of this second subscriber equipment transmission by receiving unit 901.
Transmitting element 903, if the intensity of this uplink pilot signal forms and disturbs the D2D transmission of this subscriber equipment, can send indication information to this base station.This indication information is indicated the information of the interference of the signal of this second subscriber equipment in this ascending pilot frequency resource to this D2D transmission.
In the embodiment of the present invention, subscriber equipment 900 is by monitoring the signal of the second subscriber equipment in ascending pilot frequency resource and sending indication information to base station according to its signal strength signal intensity so that interference coordination control is carried out in base station, the interference of the uplink signal transmissions that has solved subscriber equipment to D2D transmission.
Processor 902 is controlled the operation of subscriber equipment 900, and processor 902 can also be called CPU(Central Processing Unit, CPU).Memory 904 can comprise read-only memory and random access memory, and provides instruction and data to processor 902.A part for memory 904 can also comprise nonvolatile RAM (NVRAM).In concrete application, each assembly of subscriber equipment 900 is coupled by bus system 905, and wherein bus system 905, except comprising data/address bus, can also comprise power bus, control bus and status signal bus in addition etc.But for the purpose of clearly demonstrating, in the drawings various buses are all designated as to bus system 905.
The method that the invention described above embodiment discloses can be applied in processor 902, or is realized by processor 902.Processor 902 may be a kind of integrated circuit (IC) chip, has the disposal ability of signal.In implementation procedure, each step of said method can complete by the instruction of the integrated logic circuit of the hardware in processor 902 or form of software.Above-mentioned processor 902 can be general processor, digital signal processor (DSP), application-specific integrated circuit (ASIC) (ASIC), ready-made programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic device, discrete hardware components.Can realize or carry out disclosed each method, step and logic diagram in the embodiment of the present invention.General processor can be that microprocessor or this processor can be also the processors of any routine etc.Can directly be presented as that in conjunction with the step of the disclosed method of the embodiment of the present invention hardware decoding processor is complete, or complete with the hardware in decoding processor and software module combination.Software module can be positioned at random asccess memory, and flash memory, read-only memory, in the storage medium of this area maturations such as programmable read only memory or electrically erasable programmable memory, register.This storage medium is positioned at memory 904, and the information in processor 902 read memories 904 completes the step of said method in conjunction with its hardware.
Alternatively, in the embodiment of the present invention, this ascending pilot frequency resource can be detection reference signal SRS resource or demodulated reference signal DMRS resource.
In the embodiment of the present invention, the method that the method that the first user equipment (UE1) that subscriber equipment 900 can execution graph 2 to Fig. 4 is carried out and the first user equipment of Fig. 5 are carried out, the present invention does not repeat them here.
Those of ordinary skills can recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can realize described function with distinct methods to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In the several embodiment that provide in the application, should be understood that disclosed system, apparatus and method can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, when actual realization, can have other dividing mode, for example multiple unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in multiple network element.Can select according to the actual needs some or all of unit wherein to realize the object of the present embodiment scheme.
In addition, the each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.
If described function realizes and during as production marketing independently or use, can be stored in a computer read/write memory medium using the form of SFU software functional unit.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or the part of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions (can be personal computers in order to make a computer equipment, server, or the network equipment etc.) carry out all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: various media that can be program code stored such as USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CDs.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (14)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210431991.XA 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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| 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 |
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| CN103796214B CN103796214B (en) | 2018-01-12 |
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| CN110166213A (en) * | 2018-02-13 | 2019-08-23 | 展讯通信（上海）有限公司 | The sending and receiving method of reference signal, base station, terminal, storage medium, system |
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| 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 |
| WO2012034268A1 (en) * | 2010-09-14 | 2012-03-22 | Nokia Corporation | Method and apparatus for interference-aware wireless communications |
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| 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 |
Also Published As
| Publication number | Publication date |
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| CN103796214B (en) | 2018-01-12 |
| WO2014067487A1 (en) | 2014-05-08 |
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