CN106454752A - Broadcast information transmission method in 3GPP V2X communication - Google Patents
Broadcast information transmission method in 3GPP V2X communication Download PDFInfo
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- CN106454752A CN106454752A CN201510477743.2A CN201510477743A CN106454752A CN 106454752 A CN106454752 A CN 106454752A CN 201510477743 A CN201510477743 A CN 201510477743A CN 106454752 A CN106454752 A CN 106454752A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The present invention provides a broadcast information transmission method in 3GPP V2X communication. The method comprises: V2X broadcast business initiator sends control information in a control resource pool and sends data information in the data resource pool, wherein the control information carries dispatching information; and after the initiator sends the broadcast information, each relay node forwards the data broadcast information in the cooperative diversity mode and leads in the diversity gain for the system by using the random phase difference. The broadcast information transmission method in the 3GPP V2X communication realizes efficient, reliable and implement-easy business information broadcast flooding in the scene and requirement standard with high-density nodes, the low delay requirement and the information transmission reliability requirement.
Description
Technical field
The present invention relates to wireless communication field, the broadcast message transmission method in more particularly, to a kind of 3GPP V2X communication.
Background technology
With increasing rapidly of car ownership and density, and the frequent generation of road traffic accident, car networking has been increasingly becoming one of focus direction of the communications field.Car networking passes through being in communication with each other between vehicle and means of transportation, the technology such as combined positioning system, sensor, intelligent vehicle control system, machine vision analysis, sensing range and the perception degree of automobile active safety system can significantly be lifted, reduce vehicle accident odds, and can indirectly realize alleviating traffic congestion, lifting road capacity and other effects.
V2X is the communication technology being exclusively used in car networking field in 3GPP, including different types of vehicle-carrying communication technology such as V2V (Vehicle to Vehicle), V2I (Vehicle to Infrastructure), V2P (Vehicle to Pedestrian).V2X communication relies primarily on terminal direct connection and carries out, and specific communication mechanism not yet determines, basic ideas are based on the technical specification such as low delay, high reliability, the intensive networking of support in car networking, improve enhancing on the basis of existing 3GPP D2D communication technology.
In D2D technology, node exist need broadcasted service message when, need send service message itself with to should service message control message two class message packet.Node needs to obtain and sends the running time-frequency resource that two class messages use, for the UE in network coverage, can to eNodeB propose to send request and by eNodeB be its specify send resource it is also possible in the resource area (referred to as scheduling resource pond/data resource pond) being exclusively used in send D2D control message and D2D service message of network configuration the autonomous transmission resource selecting to use.Determine that after sending resource location, node, firstly the need of the control message of broadcast service message in scheduling resource pond, states the associated control message of this service message, send position etc. including service message；Service message is sent on the resource location subsequently indicating in control message.
For needing to carry out the broadcast service message message of multi-hop forwarding, relaying UE will repeat above broadcast transmission process after receiving service message message and judging that this message needs to forward.For multi-hop broadcasting service, the process sending service message message between its different node is separate.
Broadcast communication mechanism in D2D communication can show good performance when being applied to single-hop, but participate in, for needing many hop nodes, the broadcasting service forwarding, when via node quantity is more, the transmission of this business needs to take substantial amounts of running time-frequency resource, and colliding easily occurs in the relay forwarding behavior between difference node, and has a strong impact on systematic function.
When this communication mechanism is transplanted in V2X communication, because the distribution of vehicles high density is one of typical application scenarios of V2X, fall within the performance requirement that V2X should meet, the infringement to systematic function for the disadvantages described above will be more notable.
Content of the invention
For the problems referred to above, the present invention proposes the broadcast message transmission method in a kind of 3GPP V2X communication, including：V2X broadcasting service promoter sends control information in control resource pool, and described control information carries schedule information, then sends data-message in data resource pond；After described V2X broadcasting service promoter sends data broadcasting message, each via node is forwarded in the way of collaboration diversity to described data broadcasting message, and introduces diversity gain using random phase difference for system.
Further, also include：Described V2X broadcasting service promoter is when sending data broadcasting message and/or control message it is also stated that described message the need of forwarding and/or forwards authority.
Further, the described combination in any forwarding authority to pass through to state following information is realized：
The information related to type of service, including：The service attribute of described message, service priority and/or business urgency level；
Participate in the nodal community forwarding, including Vehicle, Infrastructure, Pedestrian or its combination in any；
Broadcasting service promoter's attribute, including Vehicle, Infrastructure, Pedestrian, network side；
Forward the threshold value of critical parameter, including：Received power threshold, RSRP measurement threshold value, receiving range threshold value or its combination in any；
The subordinate group of described message；
It is exclusively used in the flag identifying whether to need other nodes to be forwarded；
The positional information of the promoter of described message；
The geographic direction of forwarding behavior；
Maximum hop count limits.
Further, the content information of described statement and the incidence relation whether forwarding are configured in the following manner：It is pre-configured with V2X via node or by the high-rise configuration of via node or by network configuration or by node configurations other in net.
Further, described by network configuration when, relevant information carries in the SIB message of eNodeB broadcast transmission, or carry eNodeB unicast send dedicated signaling in；Described, carried out by the V2X control information of new definition during other nodes configuration by net.
Further, also include：V2X broadcasting service promoter/via node is when sending/forwarding data broadcasting message it is also stated that the jumping figure of this data broadcasting message.
Further, described statement：Carry in described Data Data broadcast, or in the control message corresponding with data-message；Directly stated by field value, or indirectly stated by transfer resource time-frequency location and/or scrambling mode.
Further, described statement is carried in the way of direct statement in control message, is realized for the field describing relevant information by increasing in the control message of new definition.
Further, also include：When V2X node receives data broadcasting message, if parse this node needing this message forwarded it is determined that the running time-frequency resource position that uses of this forwarding behavior；Under the scene needing to send the control message corresponding with data-message, V2X node also determines that the transmission resource location of described corresponding control information.
Further, described resource location information carries in the data broadcasting message receiving, and/or carries in the control message corresponding with data-message.
Further, described resource location information is directly stated or indirectly stated by the resource location of broadcast by field value：In directly stating, multiplexing D2D indicates the mapping mechanism of data resource position in control message, or using new mapping mechanism；In indirect statement, in forwarding behavior, jumping figure and resource location have fixing mapping relations.
Further, the mapping relations of described fixation are that UE is distinctive, communication set is distinctive, type of message is distinctive or cell is distinctive；It is pre-configured with via node or by the high-rise configuration of via node or by network configuration or by node configurations other in net.
Further, described schedule information is voluntarily determined or to eNodeB request from described V2X broadcasting service promoter before sending data broadcasting message.
Further, in the case of the described request to eNodeB, described schedule information is carried at eNodeB and is sent in the control/Data Grant message of described V2X broadcasting service promoter.
Further, described schedule information includes the scheduling resource that this sends or this sends and correlation forwards.
Further, described forwarding specifically includes：The forwarding behavior of each via node under given jumping figure uses identical to control resource and identical data resource, and forwarding content is identical control message data broadcast.
Further, the promoter of described V2X broadcasting service includes：V2X node and/or network side.
The present invention, for message that is urgent or important, needing many hop broadcastings to forward, all enables the method that the flooding of high efficient and reliable forwards under types of applications scene.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing of required use in embodiment or description of the prior art will be briefly described below, apparently, drawings in the following description are some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the V2X node topology figure adopting in embodiment 1；
Fig. 2 is the V2X node topology figure adopting in embodiment 2；
Fig. 3 is the V2X node topology figure adopting in embodiment 3.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, 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.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, broadly fall into the scope of protection of the invention.
One embodiment of the present of invention provides the broadcast message transmission method in a kind of 3GPP V2X communication, including：V2X broadcasting service promoter sends control information in control resource pool, and described control information carries schedule information, then sends data-message in data resource pond；After described V2X broadcasting service promoter sends data broadcasting message, each via node is forwarded in the way of collaboration diversity to described data broadcasting message, and introduces diversity gain using random phase difference for system.
Above example proposes and combines the embodiment that collaboration diversity thinking sends urgent important information in a kind of communication system in V2X, can in node high density, require under the scenes and demanding criteria such as low time delay, require information transmission reliability, realize efficiently, be reliable, easy to the service message broadcast flooding implemented.
In one alternate embodiment, also include：V2X broadcasting service promoter is when sending data broadcasting message and/or control message it is also stated that described message the need of forwarding and/or forwards authority.
In one alternate embodiment, authority is forwarded to pass through to state that the combination in any of following information is realized：
The information related to type of service, including：The service attribute of described message, service priority and/or business urgency level；
Participate in the nodal community forwarding, including Vehicle, Infrastructure, Pedestrian or its combination in any；
Broadcasting service promoter's attribute, including Vehicle, Infrastructure, Pedestrian, network side；
Forward the threshold value of critical parameter, including：Received power threshold, RSRP measurement threshold value, receiving range threshold value or its combination in any；
The subordinate group of described message；
It is exclusively used in the flag identifying whether to need other nodes to be forwarded；
The positional information of the promoter of described message；
The geographic direction of forwarding behavior；
Maximum hop count limits.
In one alternate embodiment, the content information of statement and the incidence relation whether forwarding are configured in the following manner：It is pre-configured with V2X via node or by the high-rise configuration of via node or by network configuration or by node configurations other in net.
When in one alternate embodiment, by network configuration, relevant information carries in the SIB message of eNodeB broadcast transmission, or carries in the dedicated signaling that eNodeB unicast sends；Described, carried out by the V2X control information of new definition during other nodes configuration by net.
In one alternate embodiment, also include：V2X broadcasting service promoter/via node is when sending/forwarding data broadcasting message it is also stated that the jumping figure of this data broadcasting message.
In one alternate embodiment, statement carries in described Data Data broadcast, or in the control message corresponding with data-message；Directly stated by field value, or indirectly stated by transfer resource time-frequency location and/or scrambling mode.
In one alternate embodiment, statement is carried in the way of direct statement in control message, is realized for the field describing relevant information by increasing in the control message of new definition.
In one alternate embodiment, also include：When V2X node receives data broadcasting message, if parse this node needing this message forwarded it is determined that the running time-frequency resource position that uses of this forwarding behavior；Under the scene needing to send the control message corresponding with data-message, V2X node also determines that the transmission resource location of described corresponding control information.
In one alternate embodiment, resource location information carries in the data broadcasting message receiving, and/or carries in the control message corresponding with data-message.
In one alternate embodiment, resource location information is directly stated or indirectly stated by the resource location of broadcast by field value：In directly stating, multiplexing D2D indicates the mapping mechanism of data resource position in control message, or using new mapping mechanism；In indirect statement, in forwarding behavior, jumping figure and resource location have fixing mapping relations.
In one alternate embodiment, fixing mapping relations are that UE is distinctive, communication set is distinctive, type of message is distinctive or cell is distinctive；It is pre-configured with via node or by the high-rise configuration of via node or by network configuration or by node configurations other in net.
In one alternate embodiment, schedule information is voluntarily determined or to eNodeB request from described V2X broadcasting service promoter before sending data broadcasting message.
In one alternate embodiment, in the case of eNodeB request, described schedule information is carried at eNodeB and is sent in the control/Data Grant message of described V2X broadcasting service promoter.
In one alternate embodiment, schedule information includes the scheduling resource that this sends or this sends and correlation forwards.
In one alternate embodiment, forwarding specifically includes：The forwarding behavior of each via node under given jumping figure uses identical to control resource and identical data resource, and forwarding content is identical control message data broadcast.
In one alternate embodiment, the promoter of V2X broadcasting service includes：V2X node and/or network side.
Embodiment 1
The V2X node topology adopting in this embodiment is as shown in Figure 1.
Step a：UE1 produces the emergency message Message1 needing broadcast flooding, is multiplexed D2D communication mechanism, proposes transmission request to eNodeB；ENodeB sends SA Grant and Data Grant to UE1, carries schedule information, specifies each running time-frequency resource position jumping use in multi-hop repeating process in schedule information；
Step b：UE1 broadcast transmission Message1, directly state that Message1 needs receiving node to participate in forwarding using field identification position in Message1 corresponding scheduling message SA1, forward node type is (including Vehicle/Infrastructure/Pedestrian) all nodes, statement maximum hop count is 2 jumps (the 3rd hop node stops forwarding), and current jumping figure is the 0th jump；Carry the running time-frequency resource position that the 1st and the 2nd jump repeating process uses；
Step c：UE2/UE3/UE4/UE5 receives SA1 and Message1 of UE1 broadcast, parses and needs Message1 is forwarded, and parses and forwards the SA/ data running time-frequency resource position using；
Step d：UE2/UE3/UE4/UE5 forwards to Message1, control message SA2 data message Message2 sending in this repeating process is redirected using the 1st carrying in the SA1 receiving and sends out resource, directly state that Message2 needs receiving node to participate in forwarding using field identification position in SA2, forward node type is all nodes, statement maximum hop count is 2 jumps, and current jumping figure is the 1st jump；Carry the running time-frequency resource position that the 2nd jump repeating process uses；It is poor using random phase during Message2 to send；It is identical with the resource location sending Message2 use that UE2/UE3/UE4/UE5 sends SA2, and the message content of transmission is identical；
Step e：UE6/UE7/UE8 receives SA2 and Message2 of UE2/UE3/UE4/UE5 broadcast, parses and needs Message2 is forwarded, and parses and forwards the SA/ data running time-frequency resource position using；
Step f：UE6/UE7/UE8 forwards to Message2, control message SA3 data message Message3 sending in this repeating process is redirected using the 2nd carrying in the SA2 receiving and sends out resource, directly state that Message3 needs receiving node to participate in forwarding using field identification position in SA3, forward node type is all nodes, statement maximum hop count is 2 jumps, and current jumping figure is the 2nd jump；It is poor using random phase during Message3 to send；It is identical with the resource location sending Message3 use that UE6/UE7/UE8 sends SA3, and the message content of transmission is identical；
Step g：Other neighbors of UE6/UE7/UE8 receive SA3 and Message3, parse and Message3 need not be forwarded, and broadcast flooding process terminates.
Embodiment 2
The V2X node topology adopting in this embodiment is as shown in Figure 2.
Step a：UE1 produces the emergency message Message1 needing broadcast flooding, is multiplexed D2D communication mechanism, proposes transmission request to eNodeB；ENodeB sends SA Grant and Data Grant to UE1, carries schedule information, specifies the running time-frequency resource position that in multi-hop repeating process, the 0th jump uses in schedule information；
Step b：UE1 broadcast transmission Message1, directly state that Message1 needs receiving node to participate in forwarding using field identification position in Message1 corresponding scheduling message SA1, forward node type is (including Vehicle/Infrastructure/Pedestrian) all nodes, the geographical position of statement source node and receiving range threshold value, and be Group A by the communication set that scrambling mode states Message1 message subordinate indirectly；
Step c：UE2/UE3/UE4 receives SA1 and Message1 of UE1 broadcast, parses and belongs to identical communication set (Group A), and the distance calculating source node in conjunction with this node geo-location is less than receiving range threshold value it is therefore desirable to forward to Message1；According to receiving the forwarding esource impact relation carrying in resource location and the broadcast of eNodeB periodicity SIB, parse and forward the SA/ data running time-frequency resource position using；
UE5 receives SA1 and Message1 of UE1 broadcast, parses the communication set belonging to different, Message1 need not be forwarded；
Step d：UE2/UE3/UE4 forwards to Message1, control message SA2 data message Message2 sending in this repeating process is using the forwarding resource parsing, directly state that Message2 needs receiving node to participate in forwarding using field identification position in SA2, forward node type is all nodes, the geographical position of statement source node and receiving range threshold value, and be Group A by the communication set that scrambling mode states Message2 message subordinate indirectly；It is poor using random phase during Message2 to send；It is identical with the resource location sending Message2 use that UE2/UE3/UE4 sends SA2, and the message content of transmission is identical；
Step e：UE6/UE7 receives SA2 and Message2 of UE2/UE3/UE4 broadcast, parses and belongs to identical communication set, and the distance to source node is less than receiving range threshold value, needs Message2 is forwarded, needs Message2 is forwarded；According to receiving the forwarding esource impact relation carrying in resource location and the broadcast of eNodeB periodicity SIB, parse and forward the SA/ data running time-frequency resource position using；
UE8 receives SA2 and Message2 of UE2/UE3/UE4 broadcast, parses and belongs to identical communication set, but the distance to source node is more than receiving range threshold value, and Message2 need not be forwarded；
Step f：UE6/UE7 forwards to Message2, control message SA3 data message Message3 sending in this repeating process is using the forwarding resource parsing, directly state that Message3 needs receiving node to participate in forwarding using field identification position in SA3, forward node type is all nodes, the geographical position of statement source node and receiving range threshold value, and be Group A by the communication set that scrambling mode states Message3 message subordinate indirectly；It is poor using random phase during Message3 to send；It is identical with the resource location sending Message3 use that UE6/UE7 sends SA3, and the message content of transmission is identical；
Step g：Other neighbors of UE6/UE7 receive SA3 and Message3, and the distance parsing source node is more than receiving range threshold value, and Message3 need not be forwarded, and broadcast flooding process terminates.
Embodiment 3
The V2X node topology adopting in this embodiment is as shown in Figure 3.
Step a：UE1 produces the emergency message Message1 needing broadcast flooding, voluntarily determines schedule information, selects the resource using at random in SA resource pool data resource pool；
Step b：By field identification position, UE1 broadcast transmission Message1, directly states that type of message is that vehicle accident notifies, the geographical position of statement source node, receiving range threshold value and transmission geographic direction in Message1；
Step c：UE2/UE3 receives SA1 and Message1 of UE1 broadcast, inquire about the mapping table of pre-configured type of message and the behavior of forwarding, know that vehicle accident notifies to need receiving node to be forwarded, forward node type is (including Vehicle/Infrastructure/Pedestrian) all nodes；The distance calculating source node in conjunction with this node geo-location is less than receiving range threshold value, does not meet the transmission geographic direction in SA1, therefore Message1 need not be forwarded；
UE4/UE5 receives SA1 and Message1 of UE1 broadcast, inquire about the mapping table of pre-configured type of message and the behavior of forwarding, know that vehicle accident notifies to need receiving node to be forwarded, forward node type is (including Vehicle/Infrastructure/Pedestrian) all nodes；The distance calculating source node in conjunction with this node geo-location is less than receiving range threshold value, meets transmission geographic direction in SA1 it is therefore desirable to forward to Message1；According to receiving resource location and pre-configured forwarding esource impact relation, parse and forward the SA/ data running time-frequency resource position using；
Step d：UE4/UE5 forwards to Message1, control message SA2 data message Message2 sending in this repeating process is using the forwarding resource parsing, directly state that type of message is that vehicle accident notifies using field identification position in SA2, the geographical position of statement source node, receiving range threshold value and transmission geographic direction；It is poor using random phase during Message2 to send；It is identical with the resource location sending Message2 use that UE4/UE5 sends SA2, and the message content of transmission is identical；
Step e：UE6/UE7/UE8 receives SA2 and Message2 of UE4/UE5 broadcast, inquire about the mapping table of pre-configured type of message and the behavior of forwarding, know that vehicle accident notifies to need receiving node to be forwarded, forward node type is (including Vehicle/Infrastructure/Pedestrian) all nodes；The distance calculating source node in conjunction with this node geo-location is less than receiving range threshold value, meets transmission geographic direction in SA1 it is therefore desirable to forward to Message1；According to receiving resource location and pre-configured forwarding esource impact relation, parse and forward the SA/ data running time-frequency resource position using；
Step f：UE6/UE7/UE8 forwards to Message2, control message SA3 data message Message3 sending in this repeating process is using the forwarding resource parsing, directly state that type of message is that vehicle accident notifies using field identification position in SA3, the geographical position of statement source node, receiving range threshold value and transmission geographic direction；It is poor using random phase during Message3 to send；It is identical with the resource location sending Message3 use that UE6/UE7/UE8 sends SA3, and the message content of transmission is identical；
Step g：Other neighbors of UE6/UE7/UE8 receive SA3 and Message3, and the distance parsing source node is more than receiving range threshold value, and Message3 need not be forwarded, and broadcast flooding process terminates.
One of ordinary skill in the art will appreciate that：The all or part of step realizing said method embodiment can be completed by the related hardware of programmed instruction, and aforesaid program can be stored in a computer read/write memory medium, and 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 only in order to technical scheme to be described, is not intended to limit；Although being described in detail to the present invention with reference to the foregoing embodiments, it will be understood by those within the art that：It still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent to wherein some technical characteristics；And these modifications or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (17)
1. the broadcast message transmission method in a kind of 3GPP V2X communication is it is characterised in that include：
V2X broadcasting service promoter sends control information in control resource pool, and described control information carries tune
Degree information, then sends data-message in data resource pond；
After described V2X broadcasting service promoter sends data broadcasting message, each via node is to described data
Broadcast is forwarded in the way of collaboration diversity, and introduces diversity increasing using random phase difference for system
Benefit.
2. method according to claim 1 is it is characterised in that also include：Described V2X broadcast service
Business promoter is sending data broadcasting message and/or during control message it is also stated that described message is the need of turning
Send out and/or forward authority.
3. method according to claim 2 it is characterised in that described forwarding authority pass through statement with
The combination in any of lower information is realized：
The information related to type of service, including：The service attribute of described message, service priority and/or
Business urgency level；
Participate in the nodal community forwarding, including Vehicle, Infrastructure, Pedestrian or its any group
Close；
Broadcasting service promoter's attribute, including Vehicle, Infrastructure, Pedestrian, network side；
Forward the threshold value of critical parameter, including：Received power threshold, RSRP measurement threshold value, receiving range
Threshold value or its combination in any；
The subordinate group of described message；
It is exclusively used in the flag identifying whether to need other nodes to be forwarded；
The positional information of the promoter of described message；
The geographic direction of forwarding behavior；
Maximum hop count limits.
4. method according to claim 3 it is characterised in that the content information of described statement be
The incidence relation of no forwarding is configured in the following manner：Be pre-configured with V2X via node or
By the high-rise configuration of via node or by network configuration or by node configurations other in net.
5. method according to claim 4 it is characterised in that
Described by network configuration when, relevant information carries in the SIB message of eNodeB broadcast transmission, or
Carry in the dedicated signaling that eNodeB unicast sends；
Described, carried out by the V2X control information of new definition during other nodes configuration by net.
6. method according to claim 2 is it is characterised in that also include：V2X broadcasting service is sent out
Play person/via node when sending/forwarding data broadcasting message it is also stated that the jumping figure of this data broadcasting message.
7. the method according to claim 2 or 6 is it is characterised in that described statement：
Carry in described Data Data broadcast, or in the control message corresponding with data-message；
Directly stated by field value, or indirectly stated by transfer resource time-frequency location and/or scrambling mode.
8. method according to claim 7 is it is characterised in that described statement is with the side of directly statement
Formula carries in control message, by increasing the word for describing relevant information in the control message of new definition
Duan Shixian.
9. method according to claim 1 and 2 is it is characterised in that also include：
When V2X node receives data broadcasting message, if parse this node to need this message to be carried out turn
Send out it is determined that this forwarding behavior use running time-frequency resource position；
Under the scene needing to send the control message corresponding with data-message, V2X node also determines that described
The transmission resource location of corresponding control information.
10. method according to claim 9 is it is characterised in that described resource location information carries
In the data broadcasting message receiving, and/or carry in the control message corresponding with data-message.
11. methods according to claim 9 are it is characterised in that described resource location information is by field
Value is directly stated or is indirectly stated by the resource location of broadcast：
In directly stating, multiplexing D2D indicates the mapping mechanism of data resource position in control message,
Or using new mapping mechanism；
In indirect statement, in forwarding behavior, jumping figure and resource location have fixing mapping relations.
12. methods according to claim 11 are it is characterised in that the mapping relations of described fixation are
UE is distinctive, communication set is distinctive, type of message is distinctive or cell is distinctive；Pre- at via node
First configure or configure by the high-rise configuration of via node or by network configuration or by nodes other in net.
13. methods according to claim 1 are it is characterised in that described schedule information is by described V2X
Broadcasting service promoter voluntarily determines or to eNodeB request before sending data broadcasting message.
14. methods according to claim 13 it is characterised in that described to eNodeB request
In the case of, described schedule information is carried at the control that eNodeB is sent to described V2X broadcasting service promoter
In system/Data Grant message.
15. methods according to claim 13 are it is characterised in that described schedule information includes this
Send or this sends and the related scheduling resource forwarding.
16. methods according to claim 1 are it is characterised in that described forwarding specifically includes：Given
The forwarding behavior of each via node under jumping figure uses identical to control resource and identical data resource, forwards
Content is identical control message data broadcast.
17. methods according to claim 1 it is characterised in that described V2X broadcasting service send out
Play person to include：V2X node and/or network side.
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| CN109245845A (en) * | 2017-05-05 | 2019-01-18 | 中兴通讯股份有限公司 | A kind of signal transmission method and equipment |
| CN109379726A (en) * | 2018-08-20 | 2019-02-22 | 北京邮电大学 | SA message forwarding sharing method and device in a kind of LTE-V2V |
| CN110352603A (en) * | 2017-03-29 | 2019-10-18 | 英特尔公司 | Cooperate V2X communication |
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| CN110612728A (en) * | 2017-05-04 | 2019-12-24 | 黑莓有限公司 | Providing public warning system messages |
| WO2020025042A1 (en) * | 2018-08-03 | 2020-02-06 | Oppo广东移动通信有限公司 | Resource configuration method and terminal device |
| CN112166592A (en) * | 2018-05-28 | 2021-01-01 | 高通股份有限公司 | Roll-over of identifiers and keys for unicast vehicle-to-vehicle communication links |
| CN113543267A (en) * | 2020-04-20 | 2021-10-22 | 维沃移动通信有限公司 | Method for determining side link SL relay node, SL relay node and terminal |
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| CN109379726A (en) * | 2018-08-20 | 2019-02-22 | 北京邮电大学 | SA message forwarding sharing method and device in a kind of LTE-V2V |
| CN113543267A (en) * | 2020-04-20 | 2021-10-22 | 维沃移动通信有限公司 | Method for determining side link SL relay node, SL relay node and terminal |
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