CN106470384A - A kind of carrying collocation method in D2D communication - Google Patents
A kind of carrying collocation method in D2D communication Download PDFInfo
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Abstract
The present invention proposes the carrying collocation method in a kind of D2D communication, including：When UE is communicated in D2D mode, using multiple sidelink radio bearer SLRB processing business, there are mapping relations in the plurality of SLRB and type of service, certain SLRB is responsible for processing all service messages possessing the corresponding type of service of this SLRB.The present invention replaces current single acquiescence SLRB using the multiple SLRB based on type of service, introduce QoS perception means for system, make D2D communicate on the premise of based on standards such as class of business/priority/QoS demand can real-time perception type of service, and different classes of business is carried out based on QoS control process.
Description
Technical field
The present invention relates to wireless communication field, the carrying collocation method in more particularly, to a kind of D2D communication.
Background technology
At present in 3GPP D2D (Device to Device) field, use when UE is communicated with eNodeB
DRB (Dedicated Radio Bearer) in traditional LTE carries, and UE and UE is led in D2D mode
Carried using SLRB (Sidelink Radio Bearer) during letter.Acquiescence is only supported in current D2D system
The application of SLRB, namely D2D UE pre-builds one or more acquiescences SLRB, and using acquiescence SLRB
Process the business of all types.
D2D field is only limitted to single-hop scope to the consideration carrying at present, for UE-to-Network Relay
Scene and multi-hop D2D communication (UE-to-UE Relay) scene, not yet finally confirm that the carrying of each hopscotch is closed
Connection/mapping scheme.Mainly consider in existing scheme that the identity based on upper hop node carries out carrying mapping,
Or carry out carrying mapping based on service.
Because acquiescence SLRB is used for processing the business of all types, node bottom in processing business data,
Consistent processing mode can only be taken to various types of business；Immediately cannot be obtained by simple measure
Know the corresponding type of service of current data, and the priority based on business or QoS demand are entered to different business
Row QoS ensures.
Carrying mapping scheme aspect in multi-hop communication, the identity based on upper hop node in current mechanism
When carrying out carrying mapping, distinguish, beneficial to next-hop node, the source receiving message, but QoS control cannot be realized
The target of system；Carried out based on service in the scheme carry mapping, the multinomial service of identical QoS is mapped to
In multiple carryings, in system treatable carrying limited amount, constrain UE and support that multi-service is concurrent
Ability.
Content of the invention
For the problems referred to above, the present invention proposes the carrying collocation method in a kind of D2D communication, including：UE
When being communicated in D2D mode, using multiple sidelink radio bearer SLRB processing business, the plurality of
There are mapping relations in SLRB and type of service, certain SLRB is responsible for processing that all to possess this SLRB corresponding
The service message of type of service.
Further, described SLRB is by destination node, source node and type of service unique mark；Described mesh
Node and source node be the destination node of D2D business and source node, or for next-hop destination node and
Upper hop source node.
Further, described type of service passes through LCID, qos parameter or QCI parameter declaration；Work as use
During LCID statement, the LCID of described D2D business is uniquely determined by type of service.
Further, for any service message, its type of service is determined by the combination in any of following characteristic：
The concrete species of business, including but not limited to：VoIP, Video, short message；The priority of business；Industry
The QoS demand of business.
Further, in described SLRB and existing system by source node ID, destination node ID, LCID only
The logic channel of one mark forms one-to-one mapping relations.
Further, the delivery of described D2D service message specifically includes：
Tx UE receive from high-rise service message when, according to business LCID, source node ID and purpose section
Point ID, determines that described service message should deliver past SLRB, is processed and pass downwards in this SLRB
It is delivered in the logic channel bound with this SLRB and be ready for sending；
Rx UE receives when being derived from the service message eated dishes without rice or wine, and is saved according to business LCID, destination node ID and source
Point ID, determines that described service message should deliver past logic channel, after being properly received in this logic channel
It is passed up to submit high level with preparation in the SLRB of this logic channel binding.
Further, the triggering mode that described SLRB sets up includes at least one of：
Described UE, in D2D discovery procedure, finds new neighbor node, sets up and closes with this neighbor node
Some SLRB of connection；
In D2D communication process, the neighbor node of communication in need, sets up described UE and this neighbour saves
Some SLRB of point association；The described scene needing communication includes：The high level of described UE issues needs and sends out
Deliver to the service message of described neighbor node, and/or described UE receive from neighbor node service message or
The control message of statement business；
System configuration or pre-configured partial service type need to set up the SLRB of acquiescence；
Described UE finds business demand, and the corresponding SLRB of this business demand is not yet established.
Further, the mode of setting up of described SLRB includes：UE pre-builds the business with all supports
The corresponding multiple SLRB of type, and after finding business demand, the SLRB of foundation is needed with described business
Ask and be associated；Or, UE pre-builds multiple acquiescences SLRB corresponding with partial service type；Sending out
After showing business demand, acquiescence SLRB that certain has built up as described business demand correspondence, by described acquiescence
SLRB is associated with described business demand, otherwise according to the newly-built SLRB of described business demand；Or, UE
Do not pre-build acquiescence SLRB, after finding business demand, set up SLRB corresponding with described business demand.
Further, the relevant configuration information of described SLRB includes：The classification of described SLRB is total, each
Class SLRB sets up the parameter needed for process with the mapping relations of type of service, all kinds of SLRB.
Further, when only partial service type needs to set up corresponding acquiescence SLRB, described relevant configuration
Information also includes the information of described partial service type.
Further, the acquisition modes of described relevant configuration information include following at least one：UE is locally pre-
Configuration；By other net in UE configuration；Configured by eNodeB when UE is in net.
Further, also include：For the relaying UE in multi-hop D2D communication, when described relaying UE's
When correspondent node is base station, described relaying UE uses DRB；Correspondent Node as described relaying UE
When node is D2D UE, described relaying UE uses SLRB.
Further, described relaying mapping between upper hop to SLRB and/or DRB of next-hop for the UE
Including at least one of：The upper hop of described relaying UE is UE, and using SLRB, next-hop is UE,
Using SLRB；Described relaying UE completes the mapping from SLRB to SLRB；Described relaying UE's is upper
One jumps as base station, and using DRB, next-hop is UE, using SLRB；Described relaying UE completes from DRB
Mapping to SLRB；The upper hop of described relaying UE is UE, and using SLRB, next-hop is base station,
Using DRB；Described relaying UE completes the mapping from SLRB to DRB.
Further, described relaying UE upper hop is carried to next-hop carrying mapping mode include following
At least one：All carryings of all upper hop nodes are mapped in the carrying of same next-hop；Will be single
All carryings of individual upper hop node are mapped in the carrying of same next-hop；Reflected based on type of service
Penetrate, by one or more carryings of identical services type corresponding in all upper hop nodes be mapped to same under
In the carrying of one jump；Mapped based on node and type of service, by a carrying mapping of upper hop node
To in the carrying of same next-hop.
Further, upper hop, when upper hop carrying is mapped to next-hop, is also held by described relaying UE
Load is multiplexed with the carrying of described relaying UE itself：The carrying of described relaying UE itself is held with upper hop
Carry status identical, and be mapped to next-hop carrying by carrying identical mapping mode with upper hop.
Further, the mapping mode being carried to next-hop carrying of described relaying UE itself is held with upper hop
The mapping mode being downloaded to next-hop carrying is separate.
The present invention is replaced current single silent in D2D communication using the multiple SLRB based on type of service
Recognize SLRB, be that system introduces QoS perception means, so that D2D is communicated can be based on class of business/preferentially
On the premise of the standards such as level/QoS demand, real-time perception type of service simultaneously carries out base to different classes of business
The process controlling in QoS.
Brief description
Fig. 1 be in embodiment 1 default bearing between UE A and B and logic channel associate schematic diagram；
Fig. 2 is the SLRB list to this neighbor node that in embodiment 2, ProSe UE sets up；
Fig. 3 is the carrying mapping schematic diagram in embodiment 3 between relaying UE and long-range UE.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described it is clear that
Described embodiment is a part of embodiment of the present invention, rather than whole embodiments；It should be noted that
In the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under the premise of not making creative work
Every other embodiment, broadly fall into the scope of protection of the invention.
One embodiment of the present of invention provides the carrying collocation method in a kind of D2D communication, including：UE with
When D2D mode communicates, using multiple sidelink radio bearer SLRB processing business, the plurality of SLRB
There are mapping relations with type of service, certain SLRB is responsible for processing and all possesses the corresponding service class of this SLRB
The service message of type.
In above-described embodiment, replace current single acquiescence using the multiple SLRB based on type of service
SLRB, is that system introduces QoS perception means, so that D2D is communicated can be based on class of business/priority
On the premise of the standards such as/QoS demand, real-time perception type of service is simultaneously based on to different classes of business
The process that QoS controls.
In one alternate embodiment, SLRB is by destination node, source node and type of service unique mark；
Described destination node and source node are destination node and the source node of D2D business, or are next-hop purpose
Node and upper hop source node.
In one alternate embodiment, type of service passes through LCID, qos parameter or QCI parameter declaration；
When being stated using LCID, the LCID of described D2D business is uniquely determined by type of service.
In one alternate embodiment, for any service message, its type of service is any by following characteristic
Combination determines：The concrete species of business, including but not limited to：VoIP, Video, short message；Business
Priority；The QoS demand of business.
In one alternate embodiment, in SLRB and existing system by source node ID, destination node ID,
LCID uniquely identified logic channel forms one-to-one mapping relations.
In one alternate embodiment, the delivery of D2D service message specifically includes：
Tx UE receive from high-rise service message when, according to business LCID, source node ID and purpose section
Point ID, determines that described service message should deliver past SLRB, is processed and pass downwards in this SLRB
It is delivered in the logic channel bound with this SLRB and be ready for sending；
Rx UE receives when being derived from the service message eated dishes without rice or wine, and is saved according to business LCID, destination node ID and source
Point ID, determines that described service message should deliver past logic channel, after being properly received in this logic channel
It is passed up to submit high level with preparation in the SLRB of this logic channel binding.
In one alternate embodiment, the triggering mode that SLRB sets up includes at least one of：
Described UE, in D2D discovery procedure, finds new neighbor node, sets up and closes with this neighbor node
Some SLRB of connection；
In D2D communication process, the neighbor node of communication in need, sets up described UE and this neighbour saves
Some SLRB of point association；The described scene needing communication includes：The high level of described UE issues needs and sends out
Deliver to the service message of described neighbor node, and/or described UE receive from neighbor node service message or
The control message of statement business；
System configuration or pre-configured partial service type need to set up the SLRB of acquiescence；
Described UE finds business demand, and the corresponding SLRB of this business demand is not yet established.
In one alternate embodiment, the mode of setting up of SLRB includes：
UE pre-builds multiple SLRBs corresponding with the type of service of all supports, and needs in the business of discovery
After asking, the SLRB of foundation is associated with described business demand；Or,
UE pre-builds multiple acquiescences SLRB corresponding with partial service type；After finding business demand,
Acquiescence SLRB that certain has built up as described business demand correspondence, by described acquiescence SLRB and described industry
Business demand is associated, otherwise according to the newly-built SLRB of described business demand；Or,
UE does not pre-build acquiescence SLRB, after finding business demand, sets up and described business demand pair
The SLRB answering.
In one alternate embodiment, the relevant configuration information of SLRB includes：The classification of described SLRB is total
The mapping relations of several, all kinds of SLRB and type of service, all kinds of SLRB set up the parameter needed for process.
In one alternate embodiment, when only partial service type needs to set up corresponding acquiescence SLRB, institute
State the information that relevant configuration information also includes described partial service type.
In one alternate embodiment, the acquisition modes of relevant configuration information include following at least one：UE
Locally pre-configured；By other net in UE configuration；Configured by eNodeB when UE is in net.
In one alternate embodiment, also include：For the relaying UE in multi-hop D2D communication, when described
When the correspondent node of relaying UE is base station, described relaying UE uses DRB；As described relaying UE
Correspondent node be D2D UE when, described relaying UE uses SLRB.
In one alternate embodiment, relaying UE is between upper hop to SLRB and/or DRB of next-hop
Mapping include at least one of：
The upper hop of described relaying UE is UE, and using SLRB, next-hop is UE, using SLRB；
Described relaying UE completes the mapping from SLRB to SLRB；
The upper hop of described relaying UE is base station, and using DRB, next-hop is UE, using SLRB；
Described relaying UE completes the mapping from DRB to SLRB；
The upper hop of described relaying UE is UE, and using SLRB, next-hop is base station, using DRB；
Described relaying UE completes the mapping from SLRB to DRB.
In one alternate embodiment, relaying UE is carried to the mapping mode bag of next-hop carrying to upper hop
Include at least one of：
All carryings of all upper hop nodes are mapped in the carrying of same next-hop；
All carryings of single upper hop node are mapped in the carrying of same next-hop；
Mapped based on type of service, by one of identical services type corresponding in all upper hop nodes or
Multiple carryings are mapped in the carrying of same next-hop；
Mapped based on node and type of service, by a carrying of upper hop node be mapped to same under
In the carrying of one jump；
In one alternate embodiment, relaying UE, also will be upper when upper hop carrying is mapped to next-hop
One jumps the carrying carrying with described relaying UE itself is multiplexed：The carrying of described relaying UE itself with upper
One jump carrying status is identical, and is mapped to next-hop carrying by carrying identical mapping mode with upper hop.
In one alternate embodiment, relaying UE itself be carried to next-hop carrying mapping mode with upper
The mapping mode that one jump is carried to next-hop carrying is separate.
Embodiment 1
UE A and UE B is two ProSe UE, as shown in figure 1, when UE A is in D2D discovery procedure
In perceive UE B presence when, be UE B set up a series of based on the currently LCID of all supports
Default bearing, and be associated with logic channel；Same UE B is UE A in the presence of perceiving UE A
Set up a series of default bearings based on the currently LCID of all supports, and be associated with logic channel；
Use when both are communicated is carried through the relation that logic channel formation maps one by one.
Embodiment 2
ProSe UE perceives new neighbor node in D2D discovery procedure, according to system to default bearing
The configuration of type, sets up the SLRB for processing PTT service for this neighbor node；Subsequently receiving high level
Need to be sent to VoIP the and Video service message of this neighbor node after, this neighbour section is set up in triggering
The SLRB of the SLRB and Video business of VoIP business of point；Subsequently receiving the broadcast of this neighbor node
The control message sent, states that this neighbor node will send Message business to this node, triggering is set up should
The SLRB of the Message business of neighbor node.The final SLRB list to this neighbor node set up is such as
Shown in Fig. 2.
Embodiment 3
In system, certain relaying UE (Relay node) is connected to the long-range UE outside two network coverages
(Remote node A and Remote node B), and provide the relaying of network for it, as shown in Figure 3.
When long-range UE has service message to need to send, by message packet according to target/source node ID and service attribute
It is delivered in corresponding SLRB and is processed, subsequently descend into logic channel corresponding with SLRB and carry out
Send.Relaying UE receive from multiple message packet of long-range UE when, by the target/source node of message
Text delivery to corresponding logic channel and is uploaded to corresponding SLRB by ID and LCID.Relaying UE is to remote
When the message of journey UE is forwarded, the carrying mapping mechanism of employing is based on type of service, by upper hop section
In point, all SLRB of type of service identical are mapped on same DRB.
One of ordinary skill in the art will appreciate that：The all or part of step realizing said method embodiment can
Completed with the hardware related by programmed instruction, aforesaid program can be stored in an embodied on computer readable and deposit
In storage media, this program upon execution, executes the step including said method embodiment；And aforesaid storage
Medium includes：ROM, RAM, magnetic disc or CD etc. are various can be with the medium of store program codes.
Finally it should be noted that：Above example is only in order to illustrating technical scheme, rather than it is limited
System；Although being described in detail to the present invention with reference to the foregoing embodiments, those of ordinary skill in the art
It should be understood that：It still can be modified to the technical scheme described in foregoing embodiments, or to it
Middle some technical characteristics carry out equivalent；And these modifications or replacement, do not make appropriate technical solution
Essence departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (16)
1. the carrying collocation method in a kind of D2D communication is it is characterised in that include：
When UE is communicated in D2D mode, using multiple sidelink radio bearer SLRB processing business, there are mapping relations in the plurality of SLRB and type of service, certain SLRB is responsible for processing all service messages possessing the corresponding type of service of this SLRB.
2. method according to claim 1 is it is characterised in that described SLRB is by destination node, source node and type of service unique mark；Described destination node and source node are destination node and the source node of D2D business, or are next-hop destination node and upper hop source node.
3. method according to claim 1 and 2 is it is characterised in that described type of service passes through LCID, qos parameter or QCI parameter declaration；When being stated using LCID, the LCID of described D2D business is uniquely determined by type of service.
4. method according to claim 1 and 2 is it is characterised in that for any service message, its type of service is determined by the combination in any of following characteristic：
The concrete species of business, including but not limited to：VoIP, Video, short message；
The priority of business；
The QoS demand of business.
5. method according to claim 1 is it is characterised in that form one-to-one mapping relations by source node ID, destination node ID, LCID uniquely identified logic channel in described SLRB and existing system.
6. method according to claim 5 is it is characterised in that the delivery of described D2D service message specifically includes：
Tx UE receive from high-rise service message when, according to business LCID, source node ID and destination node ID, determine that described service message should deliver past SLRB, processed in this SLRB and passed down to this SLRB binding logic channel in be ready for sending；
Rx UE receives when being derived from the service message eated dishes without rice or wine, according to business LCID, destination node ID and source node ID, determine that described service message should deliver past logic channel, be passed up to after being properly received in this logic channel submit high level with preparation in the SLRB of this logic channel binding.
7. method according to claim 1 is it is characterised in that the triggering mode that described SLRB sets up includes at least one of：
Described UE, in D2D discovery procedure, finds new neighbor node, sets up some SLRB associating with this neighbor node；
Described UE in D2D communication process, the neighbor node of communication in need, set up some SLRB of associating with this neighbor node；The described scene needing communication includes：The high level of described UE issues the service message needing to send to described neighbor node, and/or described UE receives service message or the control message stating business from neighbor node；
System configuration or pre-configured partial service type need to set up the SLRB of acquiescence；
Described UE finds business demand, and the corresponding SLRB of this business demand is not yet established.
8. method according to claim 1 is it is characterised in that the mode of setting up of described SLRB includes：
UE pre-builds multiple SLRBs corresponding with the type of service of all supports, and is associated the SLRB of foundation with described business demand after finding business demand；Or,
UE pre-builds multiple acquiescences SLRB corresponding with partial service type；After finding business demand, acquiescence SLRB that certain has built up as described business demand correspondence, described acquiescence SLRB is associated with described business demand, otherwise according to the newly-built SLRB of described business demand；Or,
UE does not pre-build acquiescence SLRB, after finding business demand, sets up SLRB corresponding with described business demand.
9. method according to claim 8 is it is characterised in that the relevant configuration information of described SLRB includes：The classification of described SLRB is total, all kinds of SLRB and the mapping relations of type of service, all kinds of SLRB set up the parameter needed for process.
10. method according to claim 8 is it is characterised in that when only partial service type needs to set up corresponding acquiescence SLRB, described relevant configuration information also includes the information of described partial service type.
11. methods according to claim 9 or 10 are it is characterised in that the acquisition modes of described relevant configuration information include following at least one：
UE is locally pre-configured；
By other net in UE configuration；
Configured by eNodeB when UE is in net.
12. methods according to claim 1 are it is characterised in that also include：For the relaying UE in multi-hop D2D communication, when the correspondent node of described relaying UE is base station, described relaying UE uses DRB；When the correspondent node of described relaying UE is D2D UE, described relaying UE uses SLRB.
13. methods according to claim 12 are it is characterised in that mapping between upper hop to SLRB and/or DRB of next-hop for the described relaying UE includes at least one of：
The upper hop of described relaying UE is UE, and using SLRB, next-hop is UE, using SLRB；Described relaying UE completes the mapping from SLRB to SLRB；
The upper hop of described relaying UE is base station, and using DRB, next-hop is UE, using SLRB；Described relaying UE completes the mapping from DRB to SLRB；
The upper hop of described relaying UE is UE, and using SLRB, next-hop is base station, using DRB；Described relaying UE completes the mapping from SLRB to DRB.
14. methods according to claim 12 are it is characterised in that the mapping mode that described relaying UE is carried to next-hop carrying to upper hop includes at least one of：
All carryings of all upper hop nodes are mapped in the carrying of same next-hop；
All carryings of single upper hop node are mapped in the carrying of same next-hop；
Mapped based on type of service, one or more carryings of identical services type corresponding in all upper hop nodes are mapped in the carrying of same next-hop；
Mapped based on node and type of service, a carrying of upper hop node is mapped in the carrying of same next-hop.
Upper hop, it is characterised in that described relaying UE is when being mapped to next-hop by upper hop carrying, is also carried and the carrying of described relaying UE itself is multiplexed by 15. methods according to claim 12～14 any one：The carrying of described relaying UE itself is identical with upper hop carrying status, and is mapped to next-hop carrying by carrying identical mapping mode with upper hop.
16. methods according to claim 12～14 any one it is characterised in that the be carried to mapping mode of next-hop carrying and the upper hop of described relaying UE itself to be carried to the mapping mode that next-hop carries separate.
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| KR102224214B1 (en) | 2017-08-10 | 2021-03-09 | 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) | Method and device for copying sidelink data |
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