CN106160951B - Method for the D2D communication between trunk subscriber equipment and remote user equipment - Google Patents
Method for the D2D communication between trunk subscriber equipment and remote user equipment Download PDFInfo
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- CN106160951B CN106160951B CN201510167753.6A CN201510167753A CN106160951B CN 106160951 B CN106160951 B CN 106160951B CN 201510167753 A CN201510167753 A CN 201510167753A CN 106160951 B CN106160951 B CN 106160951B
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Abstract
The present invention relates to the methods of the device-to-device communication between the trunk subscriber equipment and remote user equipment of a kind of user equipment in wireless communication system to network, this method passes through PC5 interface PHY data packet from second user equipment including the first user equipment, wherein, blind re-transmission is used for in the case where no ACK/NACK is fed back the transmission of each PHY data packet on a physical layer, K spontaneous transport is realized on a physical layer for each MAC PDU；And in wireless chain control layer application affirmation mode, reception state of first user equipment to the wireless chain control layer RLC PDU of the second user equipment to be fed back, wherein, second user equipment is remote user equipment or first user equipment when first user equipment is trunk subscriber equipment of the user equipment to network when being remote user equipment, and second user equipment is trunk subscriber equipment of the user equipment to network.
Description
Technical field
The present invention relates to wireless communication technology field, relates more specifically to a kind of user in wireless communication system and set
The method of device-to-device communication to the utmost between the trunk subscriber equipment and remote user equipment of network.
Background technique
User equipment to network relaying (UE-to-Network Relay) long term evolution LTE system version 13 it
In be one for providing the important topic of coverage extension.The technology be used to connect in the net with cellular network
Remote user equipment except the coverage area of network, so that the remote user equipment can be relevant among the network
Part is communicated.
It is merely specified among version 12 using the mode of broadcast and carries out the direct communication of device-to-device D2D.It arrives
The device-to-device communication of the unicast of relaying so far and there is no any realization user equipment to network.
Summary of the invention
In order to enable the relaying of the user equipment of unicast to network, which is possibly realized, needs additional design.Therefore, in this hair
Proposed among bright user equipment for realizing unicast to network relaying function and further increase relay services
The solution of service quality QoS.
The relaying that the first aspect of the present invention proposes a kind of user equipment in wireless communication system to network is used
The method of device-to-device communication between family equipment and remote user equipment, which comprises
- the first user equipment passes through PC5 interface PHY data packet from second user equipment, wherein exists on a physical layer
There is no that blind re-transmission is used for the transmission of each PHY data packet in the case where ACK/NACK feedback, for each MAC PDU in physics
K spontaneous transport is realized on layer；And
In wireless chain control layer application affirmation mode, by first user equipment to the second user equipment
The reception state of wireless chain control layer RLC PDU fed back,
Wherein, second user equipment is remote when first user equipment is trunk subscriber equipment of the user equipment to network
Second user equipment is user equipment to network when end user device or first user equipment are remote user equipment
Trunk subscriber equipment.
Among one embodiment according to the present invention, the method also includes:
First user equipment decoded by the soft-combine on a physical layer K times transmission MAC PDU and according to
This generates ACK/NACK message to indicate whether the MAC PDU is successfully decoded.
Among one embodiment according to the present invention, the ACK/NACK message at least one of in the following manner quilt
It is sent to the second user equipment:
The ACK/NACK message is superimposed on the PHY that first user equipment is sent to the second user equipment
Among data packet；
The ACK/NACK message is included in first user equipment and is sent to the lateral of the second user equipment
Among link control message；And
The ACK/NACK message is included in the MAC that first user equipment is sent to the second user equipment
Among PDU.
Among one embodiment according to the present invention, the PHY data packet is on the lateral link shared channels of physics
It is transmitted.
Among one embodiment according to the present invention, comprising multiple ACK/NACK to refer among the ACK/NACK message
Show whether corresponding multiple MAC PDU are successfully decoded.
Among one embodiment according to the present invention, the multiple ACK/NACK is associated with the multiple MAC PDU.
Among one embodiment according to the present invention, the ACK/NACK message is with the fixed period or with fixed
The mode of delay is sent to the second user equipment from first user equipment.
Among one embodiment according to the present invention, the second user equipment is sent in first user equipment
PHY data packet among include first user equipment estimated by channel state information (CSI).
User equipment is realized in the above manner to the list between the trunk subscriber equipment and remote user equipment of network
D2D communication is broadcast, in order to further enhance user equipment to the unicast between the trunk subscriber equipment and remote user equipment of network
D2D communication service quality, that is, QoS, among one embodiment according to the present invention, the wireless communication system further include with
The base station that the trunk subscriber equipment of the user equipment to network is communicated, wherein
The trunk subscriber equipment of the user equipment to network collects uplink transmitted by the remote user equipment
The channel measurement of buffer status report and implementation on PC5 interface, buffer status information BSR, ACK/NACK is counted and is believed
Breath and/or channel state information CSI are sent to the base station；
The base station is that the trunk subscriber equipment selection of the user equipment to network includes the communication of mode 1 and mode 2
Mode, when the communication pattern of the trunk subscriber equipment of the user equipment to network is mode 2, the base station is the user
Equipment is to the trunk subscriber device configuration first resource pond of network and when the trunk subscriber equipment of the user equipment to network
Communication pattern when being mode 1 base station according to buffer status report (BSR) and/or channel information be directly the user equipment
Trunk subscriber equipment to network distributes resource；And
The base station is sent to the remote user equipment by the trunk subscriber equipment of the user equipment to network and is provided
Information is distributed in source, wherein the resource allocation information includes the resource that Secondary resource pond configures or distributed.
Among one embodiment according to the present invention, the first resource pond and the Secondary resource pond are nonoverlapping
Device-to-device resource pool.
Among one embodiment according to the present invention, the wireless communication system further includes and the user equipment to net
The base station that the trunk subscriber equipment of network is communicated, wherein
If the user equipment to the trunk subscriber equipment of network and the remote user equipment is all made of mode 2
Communication pattern, then the base station is set based on the trunk subscriber that observed Zone condition is the user equipment to network
It is that the remote user equipment configures first resource pond for and via the trunk subscriber equipment of the user equipment to network.
Among one embodiment according to the present invention, the trunk subscriber equipment of the user equipment to network takes broadcast
Mode send information about the first resource pond to the remote user equipment.
Among one embodiment according to the present invention, the wireless communication system further includes and the user equipment to net
The base station that the trunk subscriber equipment of network is communicated, wherein
If the user equipment to the trunk subscriber equipment of network and the remote user equipment is all made of mode 1
Communication pattern, then the first buffer status that the base station is reported according to the trunk subscriber equipment of the user equipment to network
Being reported as the user equipment to the trunk subscriber equipment and the user equipment to the trunk subscriber equipment of network of network is
The remote user equipment distributes resource, wherein first buffer status report includes the uplink and downlink of PC5 interface
Buffer status on link.
Among one embodiment according to the present invention, the remote user equipment is to the user equipment into network
Uplink buffer status report is sent after user equipment, so that the trunk subscriber equipment of the user equipment to network can
The buffer status on uplink and downlink is collected, and then forms first buffer status report.
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 the schematic diagram 100 of the application scenarios of method according to the present invention；
Fig. 2 shows the ACK/NACK of the received feedback of MAC PDU is superimposed among physical layer data packet instead
Feed sender frame structure schematic diagram 200；
Fig. 3 shows transmission timing Figure 30 0 of MAC PDU and corresponding ACK/NACK according to the present invention；
Fig. 4 shows another transmission timing figure of MAC PDU and corresponding ACK/NACK according to the present invention
400；
Fig. 5 shows the Signalling exchange schematic diagram 500 of the enhanced quality-of-service of one embodiment according to the present invention；
Fig. 6 shows another Signalling exchange schematic diagram of the enhanced quality-of-service of one embodiment according to the present invention
600；And
Fig. 7 shows another Signalling exchange schematic diagram of the enhanced quality-of-service of one embodiment according to the present invention
700。
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.
For needs described below, the communication pattern of following mode 1 and mode 2 is introduced first herein, mode 1 refers to by base
It stands and carrys out additional resource used in scheduling user's set to be used for transmission direct data and direct control information；And mode
2 finger user equipmenies oneself select suitable resource among resource pool, to carry out direct data and direct control information
Transmission, which is either configured by base station or pre-configured.
Fig. 1 shows the schematic diagram 100 of the application scenarios of method according to the present invention.It can be seen from the figure that distal end is used
Family equipment 120 is in except the coverage area of base station eNB 130, and user equipment is to the then position of trunk subscriber equipment 110 of network
Within the coverage area of base station eNB 130, wherein the trunk subscriber equipment 110 of base station eNB 130 and user equipment to network
Between connected and communicated using Uu interface, and the trunk subscriber equipment 110 of user equipment to network is set with remote subscriber
It is connected and is communicated using PC5 interface between standby 120.Traditional D2D, that is, device-to-device communication is using the side broadcasted
Formula just one-to-one cannot purposefully be communicated in this way and be possible to form unnecessary interference for WAN port communications.
The present invention is to be set out based on the considerations of this application scenarios for communication performance is improved, and proposes a kind of use according to the present invention
User equipment in wireless communication system is to the device-to-device between the trunk subscriber equipment and remote user equipment of network
The method of communication, this method comprises:
- the first user equipment passes through PC5 interface PHY data packet from second user equipment, wherein exists on a physical layer
There is no that blind re-transmission is used for the transmission of each PHY data packet in the case where ACK/NACK feedback, for each MAC PDU in physics
K spontaneous transport is realized on layer；And
In wireless chain control layer application affirmation mode, by first user equipment to the second user equipment
The reception state of wireless chain control layer RLC PDU is fed back,
Wherein, second user equipment is distal end when which is trunk subscriber equipment of the user equipment to network
Second user equipment is relaying of the user equipment to network when user equipment or first user equipment are remote user equipment
User equipment.
Feedback mechanism required according to the present invention is just able to achieve by the two above steps, additionally, according to the present invention
One embodiment among, this method further include:
First user equipment decodes MAC PDU and accordingly by the soft-combine on a physical layer K times transmission
ACK/NACK message is generated to indicate whether the MAC PDU is successfully decoded.
Enable to user equipment to the trunk subscriber equipment of network and remote by the feedback mechanism that above three step is realized
The D2D communication of the device-to-device of unicast is realized between end user device.
Among one embodiment according to the present invention, which is sent out at least one of in the following manner
Give the second user equipment:
The ACK/NACK message is superimposed on the PHY data packet that first user equipment is sent to the second user equipment
Among；
The ACK/NACK message is included in the lateral link control that first user equipment is sent to the second user equipment
Among information processed；And
The ACK/NACK message be included in first user equipment be sent to the second user equipment MAC PDU it
In.
The sending method of the ACK/NACK message is described referring to Fig. 2 to Fig. 4, wherein Fig. 2 shows for MAC
The ACK/NACK of the received feedback of PDU is superimposed on the schematic diagram that the frame structure of sender is fed back among physical layer data packet
200；Fig. 3 shows transmission timing Figure 30 0 of MAC PDU and corresponding ACK/NACK according to the present invention；And Fig. 4 shows
Another transmission timing Figure 40 0 of MAC PDU and corresponding ACK/NACK according to the present invention is gone out.
From figure 2 it can be seen that the resource block that reversed twill is marked is arranged for the transmission of ACK/NACK message,
It is embedded among traditional data resource block, just can be realized on the basis of slightly changing existing frame structure in this way
The transmission of the ACK/NACK message.
Fig. 3 and Fig. 4 respectively illustrates two kinds of timing diagrams, from figure 3, it can be seen that its feedback cycle is fixed to a week
The transmission process of phase property, in the embodiment shown in fig. 3, the feedback cycle are configured as, sheet consistent with the dispatching distribution period
The technical staff in field it is to be appreciated that the period of the configuration certainly also can be inconsistent with the dispatching distribution period, as long as having true
The corresponding corresponding relationship of i.e. the fed back ACK/NACK message of fixed relationship and MAC PDU transmitted before.?
This, those skilled in the art it is to be appreciated that transmitted MAC PDU number can be one or more, it is corresponding,
The ACK/NACK message fed back also is correspondingly one or more, among embodiment shown in Fig. 3, (n-1)th
Sender to receiver sends one or more MAC PDU on a period, and n-th of period i.e. (n-1)th period it
Period receiver afterwards works as transmitter n-th of period and receives the ACK/NACK to transmitter feeding back ACK/NACK message
It can be responded in a manner of retransmitting the MAC PDU for receiving or decoding failure to the ACK/NACK message after message.
And Fig. 4 shows the schematic diagram of another corresponding relationship, in the embodiment shown in fig. 4, ACK/NACK message is adopted
It takes the mode of fixed delay to be fed back, is in this embodiment the time of a MAC PDU packet, then, i.e., as MAC PDU
After the delay of the time of the MAC PDU packet sent, receiver works as hair to transmitter feeding back ACK/NACK message immediately
It can be come in a manner of retransmitting the MAC PDU for receiving or decoding failure to this after sending device to receive the ACK/NACK message
ACK/NACK message responds.
The two above examples show corresponding multiple to indicate comprising multiple ACK/NACK among ACK/NACK message
Whether MAC PDU is successfully decoded and multiple ACK/NACK are associated with multiple MAC PDU, more specifically, ACK/NACK
Message is sent to the second user equipment from first user equipment by the fixed period or in a manner of fixed delay, more
For specifically, ACK/NACK quantity, in PHY data packet for ACK/NACK resource and ACK/NACK coding solution
Certainly scheme is fixed while and transmitter knows these information, therefore does not need additional signaling to realize in transmitting terminal
The decoding of ACK/NACK.Similarly, among one embodiment according to the present invention, the PHY data packet is in the lateral link of physics
It is transmitted on shared channel.
Among one embodiment according to the present invention, the second user equipment is sent in first user equipment
It include channel state information (CSI) estimated by first user equipment among PHY data packet.
Realize in the above manner user equipment to network trunk subscriber equipment 110 and remote user equipment 120 it
Between unicast D2D communication, in order to further enhance the trunk subscriber equipment 110 and remote user equipment of user equipment to network
Service quality, that is, QoS of unicast D2D communication between 120, among one embodiment according to the present invention, the wireless communication system
System further includes the base station communicated with the trunk subscriber equipment of the user equipment to network, wherein
The trunk subscriber equipment of the user equipment to network collects the caching of uplink transmitted by the remote user equipment
State report and implement channel measurement on PC5 interface, by buffer status information BSR, ACK/NACK statistical information and/
Or channel state information CSI is sent to the base station；
The base station is that the trunk subscriber equipment selection of the user equipment to network includes the communication mould of mode 1 and mode 2
Formula, when the communication pattern of the trunk subscriber equipment of the user equipment to network is mode 2, the base station is the user equipment to net
The trunk subscriber device configuration first resource pond of network and when the communication pattern of trunk subscriber equipment of the user equipment to network is
The base station is used according to the relaying that buffer status report (BSR) and/or channel information are directly the user equipment to network when mode 1
Family equipment distributes resource；And
The base station sends resource allocation to the remote user equipment by the user equipment to the trunk subscriber equipment of network
Information, wherein the resource allocation information includes the resource that Secondary resource pond configures or distributed.
It can be realized the trunk subscriber equipment 110 and remote user equipment 120 of user equipment to network by means of the base station
Between unicast D2D communication service quality enhancing.Below by Fig. 5 to Fig. 7 come describe according to the present invention in order to increase
The service quality that strong user equipment is communicated to the unicast D2D between the trunk subscriber equipment 110 and remote user equipment 120 of network
The technical solution taken.Specifically, the signaling that Fig. 5 shows the enhanced quality-of-service of one embodiment according to the present invention is handed over
Mutual schematic diagram 500；Fig. 6 shows another Signalling exchange signal of the enhanced quality-of-service of one embodiment according to the present invention
Figure 60 0；And Fig. 7 shows another Signalling exchange schematic diagram of the enhanced quality-of-service of one embodiment according to the present invention
700。
Wherein, the situation of Fig. 5 be base station know the presence of remote user equipment 120 and can be simultaneously user equipment extremely
The trunk subscriber equipment 110 and 120 collocating uplink link of remote user equipment and down-chain resource of network.If user equipment
Trunk subscriber equipment 110 and remote user equipment 120 to network are mode 2, are not overlapped mutually then base station can configure two
Folded D2D resource pool is respectively used to the trunk subscriber equipment 110 and remote user equipment 120, Huo Zheyong of user equipment to network
The trunk subscriber equipment 110 and remote user equipment 120 of family equipment to network distinguish the money oneself configured from base station eNB 130
Two non-overlapping resource pools are selected among the pond of source.D2D communication can be avoided two sides easily in this way
Upward semiduplex limitation.
From figure 5 it can be seen that firstly, trunk subscriber equipment 110 of the remote user equipment 120 to user equipment to network
Report uplink buffer status report BSR, the trunk subscriber equipment 110 of the user equipment to network is distally used having collected this
It can implement the measurement for PC5 interface on the basis of the uplink buffer status report BSR of family equipment 120, thus
Statistics and corresponding channel state information CSI to ACK/NACK message, then the trunk subscriber of user equipment to network is set
Standby 110 together by it is obtained as above to information feed back to the base station eNB 130 communicated, base station eNB 130 is based on the above letter
Breath is respectively that the trunk subscriber equipment 110 and remote user equipment 120 of user equipment to network distribute resource, wherein PC5 interface
Down-chain resource, that is, user equipment to network trunk subscriber equipment 110 to remote user equipment 120 the communication resource by
Base station eNB 130 directly configures for user equipment to the trunk subscriber equipment 110 of network, and the uplink of PC5 interface provides
The communication resource of trunk subscriber equipment 110 of the source, that is, remote user equipment 120 to user equipment to network is by between base station eNB 130
Ground connection is configured by the trunk subscriber equipment 110 of user equipment to network for remote user equipment 120.
Fig. 6 and situation illustrated in fig. 7 be remote user equipment 120 be for base station eNB 130 it is transparent, this
When, the trunk subscriber equipment 110 of user equipment to network more undertakes the role of resource allocation, at this point, if user equipment
The communication mode of mode 2 is all made of to the trunk subscriber equipment 110 and remote user equipment 120 of network, then base station can be use
The trunk subscriber equipment 110 and remote user equipment 120 of family equipment to network carry out resource pool configuration, wherein are user equipment
The resource pool configured to the trunk subscriber equipment 110 of network can be transmitted directly to user equipment to the trunk subscriber of network and set
Standby 110, and the resource pool configured by remote user equipment 120 then needs the trunk subscriber equipment by user equipment to network
110 forward.Here, those skilled in the art is it is to be appreciated that trunk subscriber equipment 110 and distal end of the user equipment to network
User equipment 120 will be implemented using configured resource pool D2D communication rather than the resource pool that is pre-configured before come
D2D communication is carried out, D2D communication performance just can be improved in this way, furthermore also can reduce the interference for WAN port communications.Wherein, it is
It first resource pond that the trunk subscriber equipment 110 of user equipment to network is configured and is configured by remote user equipment 120
Secondary resource pond can be nonoverlapping device-to-device resource pool.Among one embodiment according to the present invention, the user
The trunk subscriber equipment of equipment to network takes the mode of broadcast to send the information about the resource pool to the remote user equipment.
Among one embodiment according to the present invention, which further includes and the user equipment to network
The base station that trunk subscriber equipment is communicated, wherein
If the user equipment is all made of the communication of mode 2 to the trunk subscriber equipment of network and the remote user equipment
Mode, then the base station is the user equipment to the trunk subscriber equipment of network based on observed Zone condition and passes through
It is that the remote user equipment configures resource pool by the trunk subscriber equipment of the user equipment to network.
It can be seen from figure 7 that user equipment receives its institute to the trunk subscriber equipment 110 of network from remote user equipment
The uplink buffer status report of transmission sends jointly to the base station communicated then in conjunction with the buffer status report of itself
ENB 130, base station eNB 130 carry out resource allocation based on the trunk subscriber equipment 110 that information above is user equipment to network
Then, since base station eNB 130 does not know the presence of remote user equipment 120, so can only be by the user equipment to network
Trunk subscriber equipment 110 is that remote user equipment 120 distributes uplink resource.Generally, in one according to the present invention
Among embodiment, which further includes the base station communicated with the trunk subscriber equipment of the user equipment to network,
Wherein, if the user equipment is all made of the communication pattern of mode 1 to the trunk subscriber equipment of network and the remote user equipment,
So the base station is the user according to the first buffer status report that the trunk subscriber equipment of the user equipment to network is reported
Equipment is to the trunk subscriber equipment of network and the trunk subscriber equipment of the user equipment to network is that the remote user equipment divides
With resource, wherein the uplink and the buffer status on downlink that first buffer status report includes PC5 interface.
Among one embodiment according to the present invention, trunk subscriber equipment hair of the remote user equipment to the user equipment to network
Line link buffer status report is served, so that the trunk subscriber equipment of the user equipment to network can be collected in uplink
With the buffer status on downlink, and then first buffer status report is formed.
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 (14)
1. a kind of user equipment in wireless communication system is between the trunk subscriber equipment and remote user equipment of network
Device-to-device communication method, which comprises
- the first user equipment passes through PC5 interface PHY data packet from second user equipment, wherein is not having on a physical layer
Blind re-transmission is used for the transmission of each PHY data packet by ACK/NACK in the case where feeding back, on a physical layer for each MAC PDU
Realize K spontaneous transport；And
In wireless chain control layer application affirmation mode, by first user equipment to the nothing of the second user equipment
The reception state of wired link control layer RLC PDU is fed back,
Wherein, second user equipment is that distal end is used when first user equipment is trunk subscriber equipment of the user equipment to network
Second user equipment is relaying of the user equipment to network when family equipment or first user equipment are remote user equipment
User equipment.
2. according to the method described in claim 1, wherein, the method also includes:
First user equipment decodes MAC PDU by the soft-combine to K transmission on a physical layer and produces accordingly
Raw ACK/NACK message is to indicate whether the MAC PDU is successfully decoded.
3. according to the method described in claim 2, wherein, the ACK/NACK message is sent out at least one of in the following manner
Give the second user equipment:
The ACK/NACK message is superimposed on the PHY data that first user equipment is sent to the second user equipment
Among packet；
The ACK/NACK message is included in the lateral link that first user equipment is sent to the second user equipment
It controls among information；And
The ACK/NACK message is included in the MAC PDU that first user equipment is sent to the second user equipment
Among.
4. according to the method described in claim 3, wherein, the PHY data packet obtains on the lateral link shared channels of physics
With transmission.
5. according to the method described in claim 2, including wherein, among the ACK/NACK message multiple ACK/NACK to indicate
Whether corresponding multiple MAC PDU are successfully decoded.
6. according to the method described in claim 5, wherein, the multiple ACK/NACK is associated with the multiple MAC PDU.
7. according to the method described in claim 2, wherein, the ACK/NACK message is prolonged with the fixed period or with fixed
When mode be sent to the second user equipment from first user equipment.
8. according to the method described in claim 2, wherein, being sent to the second user equipment in first user equipment
It include channel state information (CSI) estimated by first user equipment among PHY data packet.
9. according to the method described in claim 1, wherein, the wireless communication system further includes and the user equipment to network
The base station that is communicated of trunk subscriber equipment, wherein
The trunk subscriber equipment of the user equipment to network collects the caching of uplink transmitted by the remote user equipment
State report and implement channel measurement on PC5 interface, by buffer status information BSR, ACK/NACK statistical information and/
Or channel state information CSI is sent to the base station；
The base station is that the trunk subscriber equipment selection of the user equipment to network includes the communication mould of mode 1 and mode 2
Formula, when the communication pattern of the trunk subscriber equipment of the user equipment to network is mode 2, the base station is that the user sets
To the utmost the trunk subscriber device configuration first resource pond of network and it is logical when the trunk subscriber equipment of the user equipment to network
Letter mode when being mode 1 base station according to buffer status report (BSR) and/or channel information be directly the user equipment extremely
The trunk subscriber equipment of network distributes resource；And
The base station sends resource point to the remote user equipment by the trunk subscriber equipment of the user equipment to network
With information, wherein the resource allocation information includes the resource that Secondary resource pond configures or distributed.
10. according to the method described in claim 9, wherein, the first resource pond and the Secondary resource pond are nonoverlapping
Device-to-device resource pool.
11. according to the method described in claim 1, wherein, the wireless communication system further includes and the user equipment to net
The base station that the trunk subscriber equipment of network is communicated, wherein
If the user equipment is all made of the communication of mode 2 to the trunk subscriber equipment of network and the remote user equipment
Mode, then the base station based on observed Zone condition be the user equipment to network trunk subscriber equipment simultaneously
And first resource pond is configured for the remote user equipment via the trunk subscriber equipment of the user equipment to network.
12. according to the method for claim 11, wherein the trunk subscriber equipment of the user equipment to network takes broadcast
Mode send information about the first resource pond to the remote user equipment.
13. according to the method described in claim 1, wherein, the wireless communication system further includes and the user equipment to net
The base station that the trunk subscriber equipment of network is communicated, wherein
If the user equipment is all made of the communication of mode 1 to the trunk subscriber equipment of network and the remote user equipment
Mode, then the first buffer status report that the base station is reported according to the trunk subscriber equipment of the user equipment to network
For the trunk subscriber equipment of the user equipment to network and the trunk subscriber equipment of the user equipment to network is described
Remote user equipment distributes resource, wherein first buffer status report includes the uplink and downlink of PC5 interface
On buffer status.
14. according to the method for claim 13, wherein the remote user equipment is to the user equipment into network
Uplink buffer status report is sent after user equipment, so that the trunk subscriber equipment of the user equipment to network can
The buffer status on uplink and downlink is collected, and then forms first buffer status report.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510167753.6A CN106160951B (en) | 2015-04-09 | 2015-04-09 | Method for the D2D communication between trunk subscriber equipment and remote user equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510167753.6A CN106160951B (en) | 2015-04-09 | 2015-04-09 | Method for the D2D communication between trunk subscriber equipment and remote user equipment |
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| CN106160951A CN106160951A (en) | 2016-11-23 |
| CN106160951B true CN106160951B (en) | 2019-05-31 |
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| CN201510167753.6A Active CN106160951B (en) | 2015-04-09 | 2015-04-09 | Method for the D2D communication between trunk subscriber equipment and remote user equipment |
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Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018058684A1 (en) * | 2016-09-30 | 2018-04-05 | 华为技术有限公司 | Resource request method, device and system |
| CN108616852B (en) * | 2017-01-13 | 2019-11-08 | 电信科学技术研究院 | A kind of method and device for receiving and dispatching car networking information by PC5 interface |
| CN108366355B (en) * | 2017-01-26 | 2023-05-02 | 中兴通讯股份有限公司 | Data transmission method, data transmission terminal and base station |
| CN108391285B (en) * | 2017-02-03 | 2023-05-05 | 中兴通讯股份有限公司 | Communication method, data forwarding method and device of equipment direct connection system |
| CN108668351B (en) * | 2017-03-27 | 2021-06-08 | 上海诺基亚贝尔股份有限公司 | Communication method and apparatus |
| GB2562220A (en) * | 2017-05-05 | 2018-11-14 | Tcl Communication Ltd | Methods and devices associated with direct communications in a radio access network |
| CN110771224A (en) * | 2017-05-05 | 2020-02-07 | 摩托罗拉移动有限责任公司 | Sidelink control information indication |
| CN109391918B (en) * | 2017-08-11 | 2022-04-29 | 中兴通讯股份有限公司 | Method and device for configuring wireless resource pool |
| CN110366132B (en) * | 2018-04-09 | 2021-04-20 | 华为技术有限公司 | Communication method and device |
| CN110492977B (en) * | 2018-05-15 | 2021-04-09 | 电信科学技术研究院有限公司 | Method and equipment for feeding back information and determining information receiving through feedback |
| CN111148063B (en) * | 2018-11-02 | 2022-04-15 | 大唐移动通信设备有限公司 | Method, device and equipment for transmitting measurement signal |
| CN111565089A (en) | 2019-02-13 | 2020-08-21 | 索尼公司 | Electronic device, wireless communication method, and computer-readable medium |
| CN112311511B (en) * | 2019-07-26 | 2023-06-06 | 华为技术有限公司 | Data transmission method and device |
| WO2021056573A1 (en) * | 2019-09-29 | 2021-04-01 | Oppo广东移动通信有限公司 | Method for establishing session and terminal devices |
| EP4042825B1 (en) * | 2019-11-07 | 2024-06-19 | LG Electronics Inc. | Method and apparatus for selecting a sidelink resource for a sidelink csi reporting in a wireless communication system |
| WO2022006831A1 (en) * | 2020-07-10 | 2022-01-13 | Qualcomm Incorporated | Cross layer improvement with radio link control feedback on physical layer |
| CN118215145A (en) * | 2022-12-16 | 2024-06-18 | 华为技术有限公司 | Data transmission method, device and system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2856836B1 (en) * | 2012-05-31 | 2019-02-27 | Interdigital Patent Holdings, Inc. | Method and apparatus for device-to-device, d2d, mobility in wireless systems |
| US9325480B2 (en) * | 2013-07-10 | 2016-04-26 | Google Technology Holdings LLC | Methods and device for performing device-to-device communication |
| CN103796192B (en) * | 2014-01-28 | 2017-04-19 | 南京邮电大学 | Cross-layer optimization design method in single-source and single-terminal straight-through relay communication system |
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