CN106792885A - D2D communication resources reselecting method, device and terminal - Google Patents
D2D communication resources reselecting method, device and terminal Download PDFInfo
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- CN106792885A CN106792885A CN201610425912.2A CN201610425912A CN106792885A CN 106792885 A CN106792885 A CN 106792885A CN 201610425912 A CN201610425912 A CN 201610425912A CN 106792885 A CN106792885 A CN 106792885A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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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
- H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies
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Abstract
A kind of D2D communication resources reselecting method, device and terminal, D2D communication resource reselecting methods include：Lateral control configured information is received via idle running time-frequency resource；Determine that present terminal, with to domain resource contention in the presence of lateral terminal, and carries out the gravity treatment of transfer resource according to the lateral control configured information, it is described that lateral terminal is communicated with present terminal using D2D.Technical solution of the present invention improves the efficiency of D2D communications.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly to a kind of D2D communication resources reselecting method,
Device and terminal.
Background technology
In Long Term Evolution (Long Term Evolution, LTE) system, user equipment (User Equipment,
(Device-to-Device, D2D) is communicated between the communication holding equipment between UE).In order to improve utilization of resources effect
Rate, the resource multiplex of the multi-user of D2D communications is mainly using frequency division multiple access (Frequency Division
Multiple Access, FDMA) technology.Truck traffic (Vehicle to Vehicle, V2V) is used as D2D's
One typical application scenarios, communicates compared to the D2D for being mainly used in public safety business, and V2V communications have more
Low time delay, higher reliability requirement, and support user density higher.D2D communications can be supported
It is operated under two kinds of scenes：There is MPS process (In-Coverage) and without MPS process (Out-of-Coverage)
Scene.Without MPS process scene, it is impossible to carry out scheduling of resource control using base station, now D2D leads to
The mode of courier's competition independently selects resource transfer information.
In the prior art, by taking V2V communications as an example, Fig. 1 is a kind of autonomous selection resource in the prior art
V2V communication plan schematic diagrames.Wherein, pre-configured scheduling configures (Scheduling Assignment, SA) respectively
, to UE, wherein SA resources are used for the transmission of control information, data resource for resource and data (Data) resource
For the transmission of business datum, SA resources and data resource realize resource multiplex by way of frequency division multiplexing；
The user equipment (V2V User Equipment, V-UE) communicated using V2V passes through to perceive and decoding resource pool
Information, selects idle running time-frequency resource to pass through semi-persistent scheduling (Semi-Persistent Scheduling, SPS)
Mode transmits control information and business datum.Fig. 2 is a kind of V2V communication scenes schematic diagram in the prior art,
As shown in Fig. 2 it illustrates the user equipment V-UE1 and V-UE2 that are communicated using V2V.User equipment
During V-UE1 and V-UE2 apart from each other, without V2V service communication demands, now user equipment V-UE1
Identical subframe, the SA resources of different frequency domains can be selected in semi-static scheduling cycle with V-UE2, it is real
Existing resource multiplex.
But, when user equipment V-UE1 is driven to user equipment V-UE2 nearer positions apart,
User equipment V-UE1 and user equipment V-UE2 there may be V2V communication requirements.Yet with user
The half-duplex operation mode of equipment V-UE1 and user equipment V-UE2, user equipment V-UE1 and user set
Standby V-UE2 is sending the time domain of control information or data, it is impossible to carry out reception operation；Simultaneously as half
Static scheduling mode, causes to be held within a certain period of time between user equipment V-UE1 and user equipment V-UE2
The continuous information that can not receive other side.
The content of the invention
Present invention solves the technical problem that being the efficiency for how improving D2D communications.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of D2D communication resources reselecting method,
D2D communication resource reselecting methods include：Lateral control configured information is received via idle running time-frequency resource；
According to it is described it is lateral control configured information determine present terminal with to domain resource contention in the presence of lateral terminal, and
The gravity treatment of resource is transmitted, it is described that lateral terminal is communicated with present terminal using D2D.
Optionally, the lateral control configured information come from it is described to lateral terminal and the present terminal with
Outer third party's terminal.
Optionally, third party's terminal determines the lateral control configured information in the following way：Connect
The all scheduling configuration resource information in resource pool is received and decodes, the D2D for obtaining third party's terminal leads to
Scheduling configuration resource information and the positional information of all terminals in the range of letter；Judge whether deposited in all terminals
Time-domain resource conflict the present terminal with described to lateral terminal；There is the described of time domain resource contention
Present terminal with it is described to lateral terminal when, determine the lateral control configured information.
Optionally, it is described judge in all terminals with the presence or absence of time-domain resource conflict the present terminal with
It is described that lateral terminal is included：Determined in D2D communication ranges each other by the positional information of all terminals
The present terminal is with described to lateral terminal；Scheduling configuration resource and the offside end of the present terminal
When the scheduling configuration resource at end conflicts in time domain, judge that the present terminal exists with described to lateral terminal
Time-domain resource conflicts.
Optionally, the lateral control configured information includes：It is described that lateral terminal and the present terminal are deposited
Resource information is configured in the scheduling of conflict, and it is described to lateral terminal and the identification information of the present terminal.
Optionally, the lateral control configured information comes from described to lateral terminal.
Optionally, the lateral control configured information includes：The scheduling configuration resource letter to lateral terminal
Breath and the identification information to lateral terminal.
Optionally, it is described to determine that present terminal exists with to lateral terminal according to the lateral control configured information
Time-domain resource conflict includes：The scheduling to lateral terminal decoded in the lateral control configured information is matched somebody with somebody
Put resource；The scheduling configuration resource of the present terminal configures resource occupation with the scheduling to lateral terminal
During identical time-domain resource, judge the present terminal with described to domain resource contention in the presence of lateral terminal.
Optionally, it is described that the side is sent in the setting time window resource that setting time is spaced to lateral terminal
To control configured information.
Optionally, when the lateral control configured information is received via idle running time-frequency resource, also in the lump
The first lateral control configured information comprising present terminal scheduling configuration resource is sent to described to lateral terminal.
The embodiment of the invention also discloses a kind of D2D communication resources gravity concentration apparatus, D2D communication resource gravity treatments
Device includes：Lateral control configured information receiving unit, is suitable to receive lateral via idle running time-frequency resource
Control configured information；Resource gravity treatment unit, is suitable to be determined currently eventually according to the lateral control configured information
End and carries out the gravity treatment of transfer resource with to domain resource contention in the presence of lateral terminal, it is described to lateral terminal with
Present terminal is communicated using D2D.
Optionally, the lateral control configured information come from it is described to lateral terminal and the present terminal with
Outer third party's terminal.
Optionally, third party's terminal includes：Decoding unit, is suitable to receive and decodes in resource pool
All scheduling configuration resource informations, obtain all terminals in the D2D communication ranges of third party's terminal
Scheduling configuration resource information and positional information；Whether conflict judging unit, is suitable to judge deposited in all terminals
Time-domain resource conflict the present terminal with described to lateral terminal；Lateral control configured information determines single
Unit, be suitable to the present terminal that there is time domain resource contention with it is described to lateral terminal when, it is determined that described
Lateral control configured information.
Optionally, the conflict judging unit includes：Determination subelement, is suitable to the position by all terminals
The present terminal of the confidence breath determination in D2D communication ranges each other is with described to lateral terminal；First punching
It is prominent to judge subelement, it is suitable to scheduling configuration resource and the scheduling to lateral terminal in the present terminal
When configuration resource conflicts in time domain, judge the present terminal with described to domain resource in the presence of lateral terminal
Conflict.
Optionally, the lateral control configured information includes：It is described that lateral terminal and the present terminal are deposited
Resource information is configured in the scheduling of conflict, and it is described to lateral terminal and the identification information of the present terminal.
Optionally, the lateral control configured information comes from described to lateral terminal.
Optionally, the lateral control configured information includes：The scheduling configuration resource letter to lateral terminal
Breath and the identification information to lateral terminal.
Optionally, the resource gravity treatment unit includes：Decoding subunit, is suitable to the decoding lateral control
The scheduling to lateral terminal in configured information configures resource；Second conflict judges subelement, is suitable to
When the scheduling configuration resource of the present terminal configures resource occupation identical with the scheduling to lateral terminal
During the resource of domain, judge the present terminal with described to domain resource contention in the presence of lateral terminal.
Optionally, it is described that the side is sent in the setting time window resource that setting time is spaced to lateral terminal
To control configured information.
Optionally, the lateral control configured information receiving unit is receiving institute via idle running time-frequency resource
When stating lateral control configured information, the scheduling configuration resource information comprising the present terminal is also sent in the lump
The first lateral control configured information to described to lateral terminal.
The embodiment of the invention also discloses a kind of terminal, the terminal includes the D2D communication resources gravity treatment
Device.
Compared with prior art, the technical scheme of the embodiment of the present invention has the advantages that：
The embodiment of the present invention receives lateral control configured information via idle running time-frequency resource；According to the side
Determine that present terminal, with to domain resource contention in the presence of lateral terminal, and is transmitted money to control configured information
The gravity treatment in source, it is described that lateral terminal is communicated with present terminal using D2D.By lateral control configured information
Determine that present terminal avoids punching with the gravity treatment to domain resource contention in the presence of lateral terminal, and by transfer resource
It is prominent, thereby may be ensured that using D2D communicate to lateral terminal and present terminal under half-duplex operation mode
Data interaction, so as to improve D2D communication efficiency.
Further, by third party's terminal determine to exist the present terminal of time domain resource contention with it is described
To lateral terminal, and then determine lateral control configured information, point to described to lateral terminal and the present terminal
Scheduling configuration resource information and the mark letter to lateral terminal and the present terminal in the presence of conflict
Breath.Determine to conflict by third party's terminal, energy consumption and the burden to lateral terminal and present terminal can be reduced；
Meanwhile, can be entered directly against the scheduling configuration resource information that there is conflict according to lateral control configured information
Row gravity treatment, further increases the efficiency communicated with the D2D of present terminal to lateral terminal.
Further, to control configured information, the tune to lateral terminal is indicated by lateral terminal sending side
Degree configuration resource information and the identification information to lateral terminal；And then present terminal can be according to lateral control
Configured information processed determines the scheduling configuration resource information that there is conflict, such that it is able to be directed to the tune in the presence of conflict
Degree configuration resource information carries out gravity treatment.Without extra terminal, only by carrying out offside end of D2D communications
End can realize the judgement and gravity treatment of resource contention with present terminal, can reduce communication delay.
Brief description of the drawings
Fig. 1 is a kind of V2V communication plan schematic diagrames of autonomous selection resource in the prior art；
Fig. 2 is a kind of V2V communication scenes schematic diagram in the prior art；
Fig. 3 is a kind of flow chart of D2D communication resources reselecting method of the embodiment of the present invention；
Fig. 4 is the flow chart of embodiment of the present invention another kind D2D communication resource reselecting methods；
Fig. 5 is a kind of resource distribution schematic diagram in the reselecting methods of the D2D communication resources shown in Fig. 4；
Fig. 6 is the flow chart of another D2D communication resource reselecting method of the embodiment of the present invention；
Fig. 7 is a kind of V2V communication scenes schematic diagram in the reselecting methods of the D2D communication resources shown in Fig. 6；
Fig. 8 is a kind of resource distribution schematic diagram in the reselecting methods of the D2D communication resources shown in Fig. 6；
Fig. 9 is a kind of structural representation of D2D communication resources gravity concentration apparatus of the embodiment of the present invention.
Specific embodiment
As described in the background art, when user equipment V-UE1 drive to user equipment V-UE2 at a distance of compared with
During near position, user equipment V-UE1 and user equipment V-UE2 there may be V2V communication requirements.
Yet with the half-duplex operation mode of user equipment V-UE1 and user equipment V-UE2, user equipment
V-UE1 and user equipment V-UE2 is sending the time domain of control information or data, it is impossible to carry out reception operation；
Simultaneously as semi-persistent scheduling mode, cause between user equipment V-UE1 and user equipment V-UE2
The information of other side can not be persistently received in certain hour.
The embodiment of the present invention proposes a kind of D2D communications for the D2D communications under autonomous selection resources mode
Resource reselecting method.Lateral control configured information (Sidelink Control are received via idle running time-frequency resource
Indication, SCI) so that there are D2D communication requirements and have selected identical subframe, different frequency domain dispatching configurations
The terminal energy transfer resource of gravity treatment in time of (Scheduling Assignment, SA) resource, reduces due to multiplex
Between family the half-duplex of resource frequency division multiplexing limit cause terminal room cannot mutual Phase Receiver other side signal problem.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings
Specific embodiment of the invention is described in detail.
Fig. 3 is a kind of flow chart of D2D communication resources reselecting method of the embodiment of the present invention.
The D2D communication resources reselecting method may comprise steps of：
Step S301：Lateral control configured information is received via idle running time-frequency resource；
Step S302：According to it is described it is lateral control configured information determine present terminal with to lateral terminal in the presence of
Domain resource contention, and carry out the gravity treatment of transfer resource.
Wherein, it is described that lateral terminal is communicated with present terminal using D2D.
It should be noted that can be one, or multiple to the quantity of lateral terminal.
The specific steps of D2D communication resource reselecting methods are described in detail with reference to Fig. 1 and Fig. 3.
In the present embodiment, present terminal UE1 and offside terminal UE 2 are communicated using D2D.
Present terminal UE1 and offside terminal UE 2 with semi-persistent scheduling (Semi-Persistent Scheduling,
SPS) mode is respectively in the SA and data (Data) resource transmission control information and business datum letter of autonomous selection
Breath.Present terminal UE1 and offside terminal UE 2 are respectively configured in the way of frequency division multiplexing in moment t0
SA resources；As shown in Fig. 1 arrows 1 and arrow 2, indicate respectively that present terminal UE1 sends out in moment t0
Data, and offside terminal UE 2 are sent to send data in moment t1.Due to present terminal UE1 and offside
The half-duplex operation mode of terminal UE 2, present terminal UE1 and offside terminal UE 2 send in moment t0
While control information, it is impossible to carry out reception operation；That is present terminal UE1 and offside terminal UE 2
SA resources conflict, result in it can not be communicated.
In the present embodiment, present terminal UE1 receives SCI information via idle running time-frequency resource；According to SCI
Information determines that present terminal UE1 has time domain resource contention with offside terminal UE 2, and carries out transfer resource
Gravity treatment.Reselection operation can to a certain extent avoid present terminal UE1 to be existed with offside terminal UE 2
The time-domain resource of conflict, it is ensured that the validity of communication.
Specifically, time-domain resource conflict can be conflict, or the data (Data) of SA resources
The conflict of resource.Correspondingly, the gravity treatment of transfer resource can be gravity treatment, or the data of SA resources
The gravity treatment of resource.For example, reselecting the time-domain position of SA resources or data resource.
It is understood that the present embodiment can also be offside terminal UE 2 being connect via idle running time-frequency resource
Receive SCI information；Determine that present terminal UE1 has time-domain resource with offside terminal UE 2 according to SCI information
Conflict, and carry out the gravity treatment of transfer resource.
Fig. 4 is the flow chart of embodiment of the present invention another kind D2D communication resource reselecting methods.
The D2D communication resources reselecting method may comprise steps of：
Step S401：Lateral control configured information is received via idle running time-frequency resource；
Step S402：The scheduling to lateral terminal decoded in the lateral control configured information configures money
Source；
Step S403：The scheduling configuration resource of the present terminal configures money with the scheduling to lateral terminal
When source takes identical time-domain resource, judge the present terminal with described to domain resource in the presence of lateral terminal
Conflict, and carry out the gravity treatment of transfer resource.
The specific steps of D2D communication resource reselecting methods are described in detail with reference to Fig. 4 and Fig. 5.
In the present embodiment, present terminal UE1 receives the SCI that offside terminal UE 2 sends through step S401
Information.Wherein, SCI information can include scheduling configuration resource information and the offside end of offside terminal UE 2
Hold the identification information of UE2.Specifically, the scheduling configuration resource information of offside terminal UE 2 can include
SA resources and semi-static scheduling cycle T0；The identification information of offside terminal UE 2 is used to point to lateral terminal
UE2。
In specific implementation, offside terminal UE 2 is sent out in the setting time window resource of setting time interval T2
Send SCI information.Specifically, when offside terminal UE 2 is set the setting of time interval in resource pool
Between the idle running time-frequency resource of window selection send SCI information.Specifically, the resource for sending SCI can set
The interior random selection of window of fixing time.
It is understood that setting time interval and setting time window can be configured by high level, also may be used
Specified with by agreement.
It should be noted that when offside terminal UE 2 sends SCI information, it is right in addition to present terminal UE1
Every other terminal in the D2D communication ranges of lateral terminal UE2 can connect via idle running time-frequency resource
Receive above-mentioned SCI information.
In the present embodiment, present terminal UE1 is through offside terminal UE 2 in step S402 decoding SCI information
Scheduling configuration resource information and offside terminal UE 2 identification information.And will be to lateral terminal through step S403
The scheduling configuration resource information of UE2 is compared with the scheduling configuration resource information of present terminal UE1, right
During the SA resource occupation identical time-domain resources of the SA resources of lateral terminal UE2 and present terminal UE1,
Judge that present terminal UE1 has time domain resource contention with offside terminal UE 2, and carry out the weight of transfer resource
Choosing.Can also be, data (Data) resource of offside terminal UE 2 and the data (Data) of present terminal UE1
During resource occupation identical time-domain resource, judge that present terminal UE1 has time domain money with offside terminal UE 2
Source conflicts, and carries out the gravity treatment of transfer resource.
In specific implementation, present terminal UE1 sends out via idle running time-frequency resource reception offside terminal UE 2
During the SCI information sent, the scheduling configuration resource information comprising present terminal UE1 can also be in the lump sent
First laterally controls configured information to offside terminal UE 2.Specifically, present terminal UE1 is in setting
Between be spaced in the setting time window resource of T1 and send the first lateral control configured information.Wherein, first is lateral
Control configured information can include the scheduling configuration resource information of present terminal UE1 and present terminal UE1
Identification information.Specifically, the scheduling configuration resource information of present terminal UE1 can include SA resources
With semi-static scheduling cycle T0；The identification information of present terminal UE1 is used to point to present terminal UE1.
Fig. 6 is the flow chart of embodiment of the present invention another kind D2D communication resource reselecting methods.
The D2D communication resources reselecting method may comprise steps of：
Step S601：Third party's terminal is received and decodes the configuration resource information of all scheduling in resource pool,
Obtain scheduling configuration resource information and the position of all terminals in the D2D communication ranges of third party's terminal
Information；
Step S602：Third party's terminal is determined in the communication models of D2D each other by the positional information of all terminals
The present terminal in enclosing is with described to lateral terminal；
Step S603：The scheduling configuration resource of the present terminal configures money with the scheduling to lateral terminal
When source conflicts in time domain, judge the present terminal with described to domain resource contention in the presence of lateral terminal；
Step S604：Exist the present terminal of time domain resource contention with it is described to lateral terminal when, it is determined that
The lateral control configured information；
Step S605：Lateral control configured information is received via idle running time-frequency resource；
Step S606：According to it is described it is lateral control configured information determine present terminal with to lateral terminal in the presence of
Domain resource contention, and carry out the gravity treatment of transfer resource.
The specific steps of D2D communication resource reselecting methods are done in detail with reference to Fig. 6, Fig. 7 and Fig. 8
Explanation.
In the embodiment of the present invention by taking V2V communication scenes as an example, present terminal V-UE1, offside are directed to
Terminal V-UE2 and third party's terminal V-UE3.
In the present embodiment, third party's terminal V-UE3 is perceived through step S601 and decoding receives resource pool and owns
Scheduling configuration resource information, obtains the tune of all terminals in the D2D communication ranges of third party's terminal V-UE3
Degree configuration resource information and positional information.That is, can acquire third party's terminal V-UE3's
Present terminal V-UE1 in V2V communication ranges, the scheduling to lateral terminal V-UE2 and other-end are matched somebody with somebody
Put resource information and positional information.And present terminal V-UE1 is determined by positional information through step S602
With to lateral terminal V-UE2 in V2V communication ranges each other.Third party's terminal V-UE3 is through step S603
It is compared to present terminal V-UE1 and to the scheduling configuration resource of lateral terminal V-UE2, if both
When scheduling configuration resource conflicts in time domain, judge present terminal V-UE1 and exist to lateral terminal V-UE2
Time-domain resource conflicts.Third party's terminal V-UE3 determines the lateral control configured information simultaneously through step S604
Idle running time-frequency resource is selected to be transmitted.
Specifically, lateral control configured information can include present terminal V-UE1 and to lateral terminal
There is scheduling configuration resource information and the present terminal V-UE1 of conflict and to lateral terminal V-UE2 in V-UE2
Identification information.Specifically, scheduling configuration resource information can include present terminal V-UE1 and offside end
There is the SA resource locations and SPS cycle Ts 0 of conflict in end V-UE2；Or present terminal V-UE1 and right
There is data resource position and the SPS cycle Ts 0 of conflict in lateral terminal V-UE2.
In specific implementation, the SA resources that third party's terminal V-UE3 is obtained by decoding obtain control letter
The Data resources for indicating are ceased, service data information is received the decode, all terminals in communication range are obtained
Positional information and velocity information.
In the present embodiment, present terminal V-UE1 and/or can be via idle time-frequency to lateral terminal V-UE2
Resource receives lateral control configured information.Present terminal V-UE1 and/or can basis to lateral terminal V-UE2
The lateral control configured information determines present terminal V-UE1 and there is time-domain resource to lateral terminal V-UE2
Conflict, and carry out the gravity treatment of transfer resource.
The embodiment of the present invention is perceived by third party's terminal cooperation so that is had D2D communication requirements and be have selected
Identical subframe, the terminal of different frequency domain SA resources can the transfer resource of gravity treatment in time, solve due to resource
The half-duplex of frequency division multiplexing is limited and causes present terminal and to cannot mutual Phase Receiver other side signal between lateral terminal
Problem.
In another embodiment of the present invention, can be by combining using the D2D communication resource gravity treatments shown in Fig. 4
D2D communication resource reselecting methods shown in method and Fig. 6, further reduce because resource is frequently between multi-user
The half-duplex of point multiplexing limit cause between V-UEs cannot mutual Phase Receiver other side signal problem.
Fig. 9 is a kind of structural representation of D2D communication resources gravity concentration apparatus of the embodiment of the present invention.
D2D communication resources gravity concentration apparatus 90 can include：The lateral He of control configured information receiving unit 901
Resource gravity treatment unit 902.
Wherein, lateral control configured information receiving unit 901 is suitable to via idle running time-frequency resource receiving side
To control configured information；
Resource gravity treatment unit 902 is suitable to determine present terminal and offside according to the lateral control configured information
There is time domain resource contention in terminal, and carry out the gravity treatment of transfer resource, described to lateral terminal and present terminal
Communicated using D2D.
In an embodiment of the present invention, the lateral control configured information comes from described to lateral terminal and institute
State the third party's terminal beyond present terminal.
Third party's terminal can include decoding unit, conflict judging unit and laterally control configured information
Determining unit.Wherein, decoding unit is suitable to receive and decode all scheduling configuration resource letter in resource pool
Breath, obtain all terminals in the D2D communication ranges of third party's terminal scheduling configuration resource information and
Positional information.
Conflict judging unit is suitable to the described current end for judging to conflict with the presence or absence of time-domain resource in all terminals
End is with described to lateral terminal；Conflict judging unit can include：Determination subelement and the first conflict judge son
Unit.Wherein it is determined that subelement is suitable to determine to be communicated in D2D each other by the positional information of all terminals
In the range of the present terminal with described to lateral terminal；First conflict judges that subelement is suitable to work as described
When the scheduling configuration resource of preceding terminal conflicts with the scheduling configuration resource to lateral terminal in time domain, sentence
The fixed present terminal is with described to domain resource contention in the presence of lateral terminal.
Lateral control configured information determining unit be suitable to the present terminal that there is time domain resource contention with
It is described to lateral terminal when, determine the lateral control configured information.
In specific implementation, the side that the lateral control configured information and present terminal that third party's terminal sends are received
Can include to control configured information：It is described that the scheduling that lateral terminal and the present terminal have conflict is matched somebody with somebody
Put resource information, and it is described to lateral terminal and the identification information of the present terminal.
In another kind embodiment of the invention, the lateral control configured information comes from described to lateral terminal.
Specifically, described lateral can be sent in the setting time window resource at setting time interval to lateral terminal
Control configured information.
In specific implementation, it is lateral that the lateral control configured information and present terminal sent to lateral terminal are received
Control configured information can include：The scheduling configuration resource information to lateral terminal and described to lateral terminal
Identification information.
In specific implementation, resource gravity treatment unit 902 can include that decoding subunit and the second conflict judge son
Unit.
Wherein, decoding subunit is suitable to described in the decoding lateral control configured information to lateral terminal
Scheduling configuration resource；Second conflict judge subelement be suitable to the present terminal scheduling configuration resource with
When the scheduling to lateral terminal configures resource occupation identical time-domain resource, judge the present terminal with
It is described to domain resource contention in the presence of lateral terminal.
In specific implementation, lateral control configured information receiving unit 901 connects via idle running time-frequency resource
When receiving the lateral control configured information, the scheduling configuration resource comprising the present terminal is also sent in the lump
The lateral control configured information of the first of information is to described to lateral terminal.
The specific embodiment of the embodiment of the present invention can refer to foregoing corresponding embodiment, and here is omitted.
The embodiment of the invention also discloses a kind of terminal, the terminal includes D2D communication resource gravity concentration apparatus
90.The terminal can be transmitted the gravity treatment of resource using foregoing D2D communication resource reselecting methods,
Relative to existing terminal, its D2D communication efficiency is improved.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment
Rapid to can be by program to instruct the hardware of correlation to complete, the program can be stored in can with computer
Read in storage medium, storage medium can include：ROM, RAM, disk or CD etc..
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art,
Without departing from the spirit and scope of the present invention, can make various changes or modifications, therefore guarantor of the invention
Shield scope should be defined by claim limited range.
Claims (21)
1. a kind of D2D communication resources reselecting method, it is characterised in that including：
Lateral control configured information is received via idle running time-frequency resource；
According to it is described it is lateral control configured information determine present terminal with to domain resource contention in the presence of lateral terminal,
And the gravity treatment of transfer resource is carried out, it is described that lateral terminal is communicated with present terminal using D2D.
2. D2D communication resources reselecting method according to claim 1, it is characterised in that the lateral control
Configured information processed comes from the third party's terminal to beyond lateral terminal and the present terminal.
3. D2D communication resources reselecting method according to claim 2, it is characterised in that the third party
Terminal determines the lateral control configured information in the following way：
The all scheduling configuration resource information in resource pool is received and decoded, third party's terminal is obtained
Scheduling configuration resource information and the positional information of all terminals in D2D communication ranges；
Judge in all terminals with the presence or absence of time-domain resource conflict the present terminal with described to lateral terminal；
Exist the present terminal of time domain resource contention with it is described to lateral terminal when, determine the lateral control
Configured information.
4. D2D communication resources reselecting method according to claim 3, it is characterised in that the judgement institute
Have the present terminal in terminal with the presence or absence of time-domain resource conflict includes with described to lateral terminal：
By the positional information of all terminals determine the present terminal in D2D communication ranges each other with
It is described to lateral terminal；
The scheduling configuration resource of the present terminal is rushed with the scheduling configuration resource to lateral terminal in time domain
When prominent, judge the present terminal with described to domain resource contention in the presence of lateral terminal.
5. D2D communication resource reselecting methods according to Claims 2 or 3, it is characterised in that the side
Include to control configured information：The scheduling configuration that there is conflict to lateral terminal and the present terminal
Resource information, and it is described to lateral terminal and the identification information of the present terminal.
6. D2D communication resources reselecting method according to claim 1, it is characterised in that the lateral control
Configured information processed comes from described to lateral terminal.
7. D2D communication resources reselecting method according to claim 6, it is characterised in that the lateral control
Configured information processed includes：Scheduling configuration resource information and the mark to lateral terminal to lateral terminal
Knowledge information.
8. D2D communication resources reselecting method according to claim 7, it is characterised in that described according to institute
State lateral control configured information and determine that present terminal includes with to domain resource contention in the presence of lateral terminal：
The scheduling to lateral terminal decoded in the lateral control configured information configures resource；
The scheduling configuration resource of the present terminal configures resource occupation identical with the scheduling to lateral terminal
During time-domain resource, judge the present terminal with described to domain resource contention in the presence of lateral terminal.
9. D2D communication resources reselecting method according to claim 6, it is characterised in that the offside end
Hold and send the lateral control configured information in the setting time window resource at setting time interval.
10. D2D communication resources reselecting method according to claim 6, it is characterised in that via the free time
Running time-frequency resource receive it is described it is lateral control configured information when, also send in the lump comprising present terminal scheduling
First lateral control configured information of configuration resource is to described to lateral terminal.
A kind of 11. D2D communication resources gravity concentration apparatus, it is characterised in that including：
Lateral control configured information receiving unit, is suitable to be indicated via the idle lateral control of running time-frequency resource reception
Information；
Resource gravity treatment unit, be suitable to according to it is described it is lateral control configured information determine present terminal with to lateral terminal
There is time domain resource contention, and carry out the gravity treatment of transfer resource, it is described that lateral terminal is made with present terminal
Communicated with D2D.
12. D2D communication resources gravity concentration apparatus according to claim 11, it is characterised in that described lateral
Control configured information comes from the third party's terminal to beyond lateral terminal and the present terminal.
13. D2D communication resources gravity concentration apparatus according to claim 12, it is characterised in that the described 3rd
Square terminal includes：
Decoding unit, is suitable to receive and decode all scheduling configuration resource information in resource pool, obtains described
Scheduling configuration resource information and the positional information of all terminals in the D2D communication ranges of third party's terminal；
Conflict judging unit, is suitable to the described current end for judging to conflict with the presence or absence of time-domain resource in all terminals
End is with described to lateral terminal；
Lateral control configured information determining unit, be suitable to the present terminal that there is time domain resource contention with
It is described to lateral terminal when, determine the lateral control configured information.
14. D2D communication resources gravity concentration apparatus according to claim 13, it is characterised in that the conflict
Judging unit includes：
Determination subelement, is suitable to determine in D2D communication ranges each other by the positional information of all terminals
The present terminal is with described to lateral terminal；
First conflict judges subelement, is suitable to configure resource and the offside end in the scheduling of the present terminal
When the scheduling configuration resource at end conflicts in time domain, judge that the present terminal is deposited with described to lateral terminal
In time-domain resource conflict.
The 15. D2D communication resource gravity concentration apparatus according to claim 12 or 13, it is characterised in that described
Lateral control configured information includes：It is described that the scheduling that lateral terminal and the present terminal have conflict is matched somebody with somebody
Put resource information, and it is described to lateral terminal and the identification information of the present terminal.
16. D2D communication resources gravity concentration apparatus according to claim 11, it is characterised in that described lateral
Control configured information comes from described to lateral terminal.
17. D2D communication resources gravity concentration apparatus according to claim 16, it is characterised in that described lateral
Control configured information includes：The scheduling configuration resource information to lateral terminal and described to lateral terminal
Identification information.
18. D2D communication resources gravity concentration apparatus according to claim 17, it is characterised in that the resource
Gravity treatment unit includes：
Decoding subunit, the scheduling to lateral terminal being suitable in the decoding lateral control configured information is matched somebody with somebody
Put resource；
Second conflict judges subelement, is suitable to configure resource and the offside end in the scheduling of the present terminal
During the scheduling configuration resource occupation identical time-domain resource at end, the present terminal and the offside are judged
There is time domain resource contention in terminal.
19. D2D communication resources gravity concentration apparatus according to claim 16, it is characterised in that the offside
Terminal sends the lateral control configured information in the setting time window resource that setting time is spaced.
20. D2D communication resources gravity concentration apparatus according to claim 16, it is characterised in that described lateral
Control configured information receiving unit is receiving the lateral control configured information via idle running time-frequency resource
When, the first lateral control that the scheduling configuration resource information comprising the present terminal is also sent in the lump refers to
Show information to described to lateral terminal.
21. a kind of terminals, it is characterised in that including the D2D communications as described in any one of claim 11 to 20
Resource gravity concentration apparatus.
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