CN105722056B - The method that device-to-device for configuration mode two communicates - Google Patents
The method that device-to-device for configuration mode two communicates Download PDFInfo
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- CN105722056B CN105722056B CN201410736294.4A CN201410736294A CN105722056B CN 105722056 B CN105722056 B CN 105722056B CN 201410736294 A CN201410736294 A CN 201410736294A CN 105722056 B CN105722056 B CN 105722056B
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Abstract
The present invention relates to the methods for the D2D communication of configuration mode two in the first user equipment of wireless communication system, wherein, wireless communication system includes serving BS, at least one D2D user equipment pair, for at least one D2D user equipment to including the first user equipment as sender and the second user equipment as recipient, this method includes that the first user equipment receives the first resource pond information transmitted for D2D data from serving BS;The dispatching distribution of the other D2D user equipment pair among its reconnaissance range is listened to and decoded to first user equipment, to obtain the Secondary resource pond information about Secondary resource pond;And first user equipment select resource and second user equipment to carry out D2D communication from Secondary resource pond indicated by the information of Secondary resource pond.Moreover, it relates to the method for the D2D communication of configuration mode two in second user equipment.The interference that can reduce or even avoid D2D communication suffered by method according to the present invention, and then improve D2D communication performance.
Description
Technical field
The present invention relates to wireless communication techniques, and in particular, to a kind of the first user in wireless communication system sets
The method and a kind of second user in wireless communication system that the device-to-device (D2D) of standby middle configuration mode two communicates are set
The method that the device-to-device (D2D) of standby middle configuration mode two communicates, wherein the first user equipment and second user equipment difference
Sender and recipient as at least one D2D user equipment pair.
Background technique
Among the communication of the D2D (device-to-device) of mode 2 of today, each D2D transmitter selects on its own
Select resource.If two pairs of D2D user equipmenies are using identical radio frequency resource and the receiver of one pair of them is close to another pair
Transmitter, it would be possible that the problem of will appear common-channel interference.
Current solution be transmitting user equipment can with probability identical with frequency resource come select data frequency
Rate resource.However, selecting resource conflict problem can not be discharged with identical probability.
Summary of the invention
Therefore, according to it is above-mentioned to background technique and understanding, the first aspect of the present invention propose
A kind of side for device-to-device (D2D) communication of configuration mode two in the first user equipment of wireless communication system
Method, wherein the wireless communication system includes serving BS, at least one D2D user equipment pair, wherein it is described at least one
D2D user equipment to include as first user equipment of sender and as the second user equipment of recipient, it is described
Method includes:
B) first user equipment receives the first of the first resource pond transmitted for D2D data from the serving BS
Resource pool information;
C) first user equipment listen to and decode its reconnaissance range at least one of other D2D user equipment
Pair dispatching distribution (Scheduling Assignment), to obtain the Secondary resource pond information about Secondary resource pond;And
D) first user equipment selected from Secondary resource pond indicated by the information of the Secondary resource pond resource with
The second user equipment carries out D2D communication.
Those skilled in the art is it is to be appreciated that the Secondary resource pond in the present invention is the subset in first resource pond, also
It is to say, compared to the prior art, transmitter of the invention will first listen to surrounding before selection resource is used for D2D data communication
The resource that D2D equipment uses, to make the selection more optimized.To sum up, can be dropped by method according to the present invention
Interference that is low or even avoiding D2D communication suffered, and then improve D2D communication performance.
Among one embodiment according to the present invention, the method is in the step (C) further include:
First user equipment is set according to first resource pond information and at least one described other D2D user
Standby pair of dispatching distribution obtains the Secondary resource pond information about the Secondary resource pond.
In this way, transmitter energy after listening to and decoding the transmitter of surrounding or the dispatching distribution of receiver
It accesses their institutes and which resource to have been used to D2D data communication using, and can be avoided in itself selection, to drop
A possibility that low D2D communication sends collision or conflict.
Among one embodiment according to the present invention, the method is in the step (C) further include:
First user equipment receives ACK message or NACK message from the second user equipment;And
First user equipment is according to first resource pond information, at least one described other D2D user equipment
Pair dispatching distribution and the received ACK message or the NACK message obtain about the Secondary resource pond
Secondary resource pond information.
In this way, right by its used in the D2D equipment around transmitter itself considers other than resource
The feedback signal for the receiver answered has advanced optimized the selection of D2D data resource communication, so further reduced conflict or
A possibility that person collides.
Among one embodiment according to the present invention, the ACK message indicates the D2D at the second user equipment
The interference conflict situation of communication is within the acceptable range.
Among one embodiment according to the present invention, the NACK message is indicated at the second user equipment
The interference conflict situation of D2D communication is except acceptable range.
Among one embodiment according to the present invention, first user equipment is also used for from serving BS reception
The information resources pond information that dispatching distribution is fed back and/or the 4th resource pool information for dispatching distribution.
Those skilled in the art among subsequent standard it is to be appreciated that can provide, the information resources pond and the 4th
Resource pool is mutually independent resource pool, also can be the same resource pool of multiplexing.
In addition, in order to cooperate the first user equipment and further optimization D2D communication, the second aspect of the present invention proposition
A kind of side for device-to-device (D2D) communication of configuration mode two in the second user equipment of wireless communication system
Method, wherein the wireless communication system includes serving BS, at least one D2D user equipment pair, wherein it is described at least one
D2D user equipment is described to including the first user equipment as sender and the second user equipment as recipient
Method includes:
L) the second user equipment receives the Secondary resource pond transmitted for D2D data from first user equipment
Secondary resource pond information, wherein Secondary resource pond information is to be listened to by first user equipment and decoded it to detect model
Enclose at least one of the dispatching distribution of other D2D user equipment pair and obtain the Secondary resource pond about Secondary resource pond
Information;
M) the second user equipment listen to its reconnaissance range at least one of other D2D user equipment pair tune
Degree distribution interferes conflict situation to determine;And
N) the second user equipment sends NACK message to first user equipment according to the interference conflict situation
Or ACK message.
Among one embodiment according to the present invention, the ACK message indicates the D2D at the second user equipment
The interference conflict situation of communication is within the acceptable range.
Among one embodiment according to the present invention, the NACK message is indicated at the second user equipment
The interference conflict situation of D2D communication is except acceptable range.
Among one embodiment according to the present invention, at least one described other D2D user equipment is in described
Except the reconnaissance range of first user equipment.
Those skilled in the art is it is to be appreciated that the Secondary resource pond in the present invention is the subset in first resource pond, also
It is to say, compared to the prior art, transmitter of the invention will first listen to surrounding before selection resource is used for D2D data communication
The resource that D2D equipment uses, to make the selection more optimized.Preferably, transmitter is in the transmission for listening to and decoding surrounding
Their institutes can be obtained after the dispatching distribution of device or receiver which resource to have been used to D2D data communication using, and
It can be avoided when itself selection, to reduce a possibility that D2D communication sends collision or conflict.It is further preferable that removing
Transmitter itself consider around D2D equipment used in except resource, by the feedback signal of its corresponding receiver into
The one-step optimization selection of D2D data resource communication, and then a possibility that further reduced conflict or collision.For total
It, the interference that can reduce or even avoid D2D communication suffered by method according to the present invention, and then improve D2D communicativeness
Energy.
Detailed description of the invention
The following detailed description to non-limiting embodiment, other spies of the invention are read by referring to accompanying drawing
Sign, objects and advantages will become more apparent upon.
Fig. 1 shows a kind of exemplary application scene 100 of method according to the present invention;And
Fig. 2 shows the flow charts 200 of method according to the present invention.
Run through different diagrams in the figure, same or similar appended drawing reference indicates the same or similar device (module)
Or step.
Specific embodiment
In the following detailed description of the preferred embodiment, reference is constituted to the appended attached drawing of present invention a part.Institute
Attached attached drawing, which has been illustrated by way of example, can be realized specific embodiment.Exemplary embodiment is not intended to
Exhaustive all embodiments according to the present invention.It is appreciated that without departing from the scope of the present invention, can use other
Embodiment can also carry out the modification of structure or logic.Therefore, it is below specific descriptions and it is unrestricted, and this
The range of invention is defined by the claims appended hereto.
Fig. 1 shows a kind of typical application scenarios 100 of method according to the present invention.It can be seen from the figure that with D2D
User equipment to Tx1 and Rx1 as observation object, according to traditional method be only the SA resource that is configured in its serving BS with
And resource is selected to carry out D2D communication, due to the geographic reason being closer, Tx1 and Rx1 among D2D data transmission resources
Between D2D communication will necessarily be by the interference of other D2D user equipmenies pair.Such as Tx1 send when will receive it is surrounding
The interference of Tx2 and Tx3.
For problem suggested above, solution of the invention is as shown in Fig. 2, Fig. 2 shows according to the present invention
Process for the method for device-to-device (D2D) communication of configuration mode two in the first user equipment of wireless communication system
Figure 200, wireless communication system include serving BS, at least one D2D user equipment to Tx1- > Rx1/Tx2- > Rx2/Tx3-
> Rx3 and Tx4- > Rx4, wherein at least one D2D user equipment to Tx1- > Rx1/Tx2- > Rx2/Tx3- > Rx3 with
And Tx4- > Rx4 includes that the first user equipment Tx1/Tx2/Tx3 and Tx4 as sender and second as recipient are used
Family equipment Rx1/Rx2/Rx3 and Rx4, below using Tx1 as the first user equipment and Rx1 as coming for second user equipment
Illustrate method according to the present invention.It is seen that firstly, first user equipment Tx1 takes from it in method and step 210
Business base station receives the first resource pond information in the first resource pond for the transmission of D2D data;Then, in a step 220, first use
Family equipment Tx1 listen to and decode its reconnaissance range at least one of other D2D user equipment to (such as Tx2- > Rx2
With the dispatching distribution of Tx3- > Rx3), to obtain the Secondary resource pond information about Secondary resource pond;And finally in step 230
In, which selects resource to set with second user from Secondary resource pond indicated by the information of Secondary resource pond
Standby Rx1 carries out D2D communication.
Those skilled in the art is it is to be appreciated that the Secondary resource pond in the present invention is the subset in first resource pond, also
It is to say, compared to the prior art, transmitter of the invention will first listen to surrounding before selection resource is used for D2D data communication
The resource that D2D equipment uses, to make the selection more optimized.To sum up, can be dropped by method according to the present invention
Interference that is low or even avoiding D2D communication suffered, and then improve D2D communication performance.
Among one embodiment according to the present invention, this method is in a step 220 further include:
First user equipment Tx1 is according to the scheduling of first resource pond information and at least one other D2D user equipment pair
Distribution is to obtain the Secondary resource pond information about Secondary resource pond.
In this way, transmitter energy after listening to and decoding the transmitter of surrounding or the dispatching distribution of receiver
It accesses their institutes and which resource to have been used to D2D data communication using, and can be avoided in itself selection, to drop
A possibility that low D2D communication sends collision or conflict.
Among one embodiment according to the present invention, this method is in a step 220 further include:
First user equipment Tx1 receives ACK message or NACK message from second user equipment Rx1;And
First user equipment Tx1 according to first resource pond information, at least one other D2D user equipment to (such as
Tx2- > Rx2 and Tx3- > Rx3) dispatching distribution and received ACK message or NACK message obtain about second
The Secondary resource pond information of resource pool.Among one embodiment according to the present invention, ACK message is indicated in second user equipment
The interference conflict situation of D2D communication at Rx1 is within the acceptable range.Among one embodiment according to the present invention,
NACK message indicates the interference conflict situation of the D2D communication at second user equipment except acceptable range.
In this way, right by its used in the D2D equipment around transmitter itself considers other than resource
The feedback signal for the receiver answered has advanced optimized the selection of D2D data resource communication, so further reduced conflict or
A possibility that person collides.
Among one embodiment according to the present invention, the first user equipment Tx1 is also from serving BS (not shown)
Receive the 4th resource pool information for the information resources pond information of dispatching distribution feedback and/or for dispatching distribution.This field
Technical staff it is to be appreciated that can be provided among subsequent standard, the information resources pond and the 4th resource pool are mutually solely
Vertical resource pool also can be the same resource pool of multiplexing.
In addition, in order to cooperate the first user equipment and further optimization D2D communication, the second aspect of the present invention proposition
A kind of side for device-to-device (D2D) communication of configuration mode two in the second user equipment of wireless communication system
Method, wherein wireless communication system includes serving BS, at least one D2D user equipment pair, wherein at least one D2D user sets
It is standby to including the first user equipment as sender and the second user equipment as recipient, this method comprises: second uses
Family equipment Rx1 receives the Secondary resource pond information in the Secondary resource pond transmitted for D2D data from the first user equipment Tx1,
In, Secondary resource pond information be listened to by the first user equipment Tx1 and decoded its reconnaissance range at least one of it is other
The dispatching distribution of D2D user equipment pair and obtain the Secondary resource pond information about Secondary resource pond;Then, second user equipment
Rx1 listen to its reconnaissance range at least one of other D2D user equipment pair dispatching distribution, with determine interfere conflict shape
State;And the second last user equipment Rx sends NACK message or ACK to the first user equipment Tx1 according to interference conflict situation
Message.Among one embodiment according to the present invention, ACK message indicates the dry of the D2D communication at second user equipment Rx1
Disturb conflict situation within the acceptable range.Among one embodiment according to the present invention, NACK message is indicated second
The interference conflict situation of D2D communication at user equipment is except acceptable range.
Among one embodiment according to the present invention, at least one other D2D user equipment is in the first user
Except the reconnaissance range of equipment Tx1.In the embodiment illustrated in figure 1, D2D user equipment in addition is to such as Tx4- > Rx4
Then except the reconnaissance range of the first user equipment Tx1.
In summary, the invention proposes a kind of D2D data of scheduling by means of the user equipment near listening to
The scheduled feedback mechanism of transmitters and receivers.The data in D2D communication can be optimized according to the feedback mechanism to send.It will be by
It is the situation of unicast applied to single transmission.Optionally, base station eNB can be pre-configured with and the user equipment of transmitting is notified to use
In dispatching distribution, the individual resource pool of SA feedback and D2D data.In scheduling process, D2D transmitter is before selecting resource
The dispatching distribution of other users equipment is first listened to and decodes, in order to advanced optimize this method, D2D receiver is made similarly
It acts and matches its resource allocation conditions in dispatching distribution with others, to discover whether that there are resource punchings
ACK/NACK feedback that is prominent and sending back SA.
Those skilled in the art is it is to be appreciated that the Secondary resource pond in the present invention is the subset in first resource pond, also
It is to say, compared to the prior art, transmitter of the invention will first listen to surrounding before selection resource is used for D2D data communication
The resource that D2D equipment uses, to make the selection more optimized.Preferably, transmitter is in the transmission for listening to and decoding surrounding
Their institutes can be obtained after the dispatching distribution of device or receiver which resource to have been used to D2D data communication using, and
It can be avoided when itself selection, to reduce a possibility that D2D communication sends collision or conflict.It is further preferable that removing
Transmitter itself consider around D2D equipment used in except resource, by the feedback signal of its corresponding receiver into
The one-step optimization selection of D2D data resource communication, and then a possibility that further reduced conflict or collision.For total
It, the interference that can reduce or even avoid D2D communication suffered by method according to the present invention, and then improve D2D communicativeness
Energy.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
How from the point of view of, the present embodiments are to be considered as illustrative and not restrictive.In addition, it will be evident that one word of " comprising " not
Exclude other elements and steps, and wording "one" be not excluded for plural number.The multiple element stated in device claim can also
To be implemented by one element.The first, the second equal words are used to indicate names, and are not indicated any particular order.
Claims (9)
1. a kind of for device-to-device (D2D) communication of configuration mode two in the first user equipment of wireless communication system
Method, wherein the wireless communication system includes serving BS, at least one D2D user equipment pair, wherein described at least one
A D2D user equipment is to including as first user equipment of sender and as the second user equipment of recipient, institute
The method of stating includes:
B) first user equipment receives the first resource in the first resource pond transmitted for D2D data from the serving BS
Pond information;
C) first user equipment listen to and decode its reconnaissance range at least one of other D2D user equipment pair
Dispatching distribution, to obtain the Secondary resource pond information about Secondary resource pond;And
D) first user equipment selected from Secondary resource pond indicated by the information of the Secondary resource pond resource with it is described
Second user equipment carries out D2D communication;
Wherein, the method includes: in the step (C)
First user equipment is according to first resource pond information and at least one described other D2D user equipment pair
Dispatching distribution obtain the Secondary resource pond information about the Secondary resource pond, the Secondary resource pond is described the
The subset of one resource pool.
2. according to the method described in claim 1, wherein, the method is in the step (C) further include:
First user equipment receives ACK message or NACK message from the second user equipment;And
First user equipment is according to first resource pond information, at least one other D2D user equipment pair
Dispatching distribution and the received ACK message or the NACK message obtain described in the Secondary resource pond
Secondary resource pond information.
3. according to the method described in claim 2, wherein, the ACK message indicates that the D2D at the second user equipment is logical
The interference conflict situation of letter is within the acceptable range.
4. according to the method described in claim 2, wherein, the NACK message indicates the D2D at the second user equipment
The interference conflict situation of communication is except acceptable range.
5. according to the method described in claim 1, wherein, first user equipment is also received from the serving BS for adjusting
The information resources pond information that degree distribution is fed back and/or the 4th resource pool information for dispatching distribution.
6. a kind of for device-to-device (D2D) communication of configuration mode two in the second user equipment of wireless communication system
Method, wherein the wireless communication system includes serving BS, at least one D2D user equipment pair, wherein described at least one
A D2D user equipment is to including the first user equipment as sender and the second user equipment as recipient, institute
The method of stating includes:
L) the second user equipment receives the second of the Secondary resource pond transmitted for D2D data from first user equipment
Resource pool information, wherein Secondary resource pond information be listened to by first user equipment and decode its reconnaissance range it
At least one of the dispatching distribution of other D2D user equipment pair and obtain about Secondary resource pond Secondary resource pond letter
Breath;
M) the second user equipment listen to and decode its reconnaissance range at least one of other D2D user equipment pair
Dispatching distribution interferes conflict situation to determine;And
N) the second user equipment according to the interference conflict situation to first user equipment send NACK message or
ACK message.
7. according to the method described in claim 6, wherein, the ACK message indicates that the D2D at the second user equipment is logical
The interference conflict situation of letter is within the acceptable range.
8. according to the method described in claim 6, wherein, the NACK message indicates the D2D at the second user equipment
The interference conflict situation of communication is except acceptable range.
9. according to the method described in claim 6, wherein, at least one described other D2D user equipment is in described the
Except the reconnaissance range of one user equipment.
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Families Citing this family (6)
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CN107734554A (en) * | 2016-08-12 | 2018-02-23 | 大唐电信科技产业控股有限公司 | The decision method and device of a kind of resource collision |
CN109565680B (en) * | 2017-08-04 | 2020-10-02 | Oppo广东移动通信有限公司 | Resource scheduling method, terminal equipment and network equipment |
CN110768760B (en) | 2018-07-26 | 2024-02-02 | 华为技术有限公司 | Data transmission method and device |
WO2019047874A1 (en) * | 2017-09-08 | 2019-03-14 | 华为技术有限公司 | Data sending method and device |
CN110062465B (en) * | 2018-09-29 | 2021-05-14 | 中国信息通信研究院 | Resource allocation method for terminal direct communication |
WO2022077472A1 (en) * | 2020-10-16 | 2022-04-21 | 华为技术有限公司 | Sidelink transmission method and communication apparatus |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103686753A (en) * | 2012-09-10 | 2014-03-26 | 华为技术有限公司 | Method and device for resource sharing in device-to-device communication |
CN103843444A (en) * | 2011-05-25 | 2014-06-04 | 美国博通公司 | Resource allocation for D2D communication |
CN104113851A (en) * | 2013-04-16 | 2014-10-22 | 中兴通讯股份有限公司 | Device to device (D2D) discovery method, base station, and user device |
-
2014
- 2014-12-04 CN CN201410736294.4A patent/CN105722056B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103843444A (en) * | 2011-05-25 | 2014-06-04 | 美国博通公司 | Resource allocation for D2D communication |
CN103686753A (en) * | 2012-09-10 | 2014-03-26 | 华为技术有限公司 | Method and device for resource sharing in device-to-device communication |
CN104113851A (en) * | 2013-04-16 | 2014-10-22 | 中兴通讯股份有限公司 | Device to device (D2D) discovery method, base station, and user device |
Non-Patent Citations (1)
Title |
---|
Resource pool configuration for partial coverage scenarios;Institute for Information Industry;《3GPP TSG RAN WG1 Meeting #76 R1-140425》;20140214;全文 |
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