CN106341839B - A kind of information reporting, reception, carry the method and device of foundation - Google Patents

A kind of information reporting, reception, carry the method and device of foundation Download PDF

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Publication number
CN106341839B
CN106341839B CN201510394470.5A CN201510394470A CN106341839B CN 106341839 B CN106341839 B CN 106341839B CN 201510394470 A CN201510394470 A CN 201510394470A CN 106341839 B CN106341839 B CN 106341839B
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China
Prior art keywords
information
business
instruction
message
cell
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CN106341839A (en
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赵毅
房家奕
周海军
赵丽
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China Academy of Telecommunications Technology CATT
Datang Mobile Communications Equipment Co Ltd
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China Academy of Telecommunications Technology CATT
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Abstract

The invention discloses a kind of information reportings, reception, carry the method and device established, it include: terminal device to access network node transmission instruction information, the information reported is the information that will be sent in Time And Frequency resource corresponding with Multicast Broadcast Single Frequency Network region to instruction terminal equipment by instruction information；The information reported is established service bearer for terminal device by access network node request network side equipment；Network side equipment, which is established, reports radio bearer used in information to access network node including terminal device, and notifies access network node configuration information.Access network node reports information, and the information that receiving terminal apparatus reports on the radio bearer of configuration according to the information configuration radio bearer that configuration information is that terminal device will report, notice terminal device on the radio bearer of configuration.Terminal device receives notice；After collecting information, information is reported on radio bearer according to configuration information.The demand that some pairs of time delays have the business of particular requirement can satisfy using the present invention.

Description

A kind of information reporting, reception, carry the method and device of foundation
Technical field
The present invention relates to wireless communication technology field, in particular to a kind of information reporting, reception, carry foundation method and Device.
Background technique
Existing mobile communication is mainly interpersonal communication, with the miniaturization and intelligence of hardware device, not The high speed between mobile communication more " people and objects " and " object and object " come connects application.With MTC (Machine Type Communication, machine communication) for business, MTC application range is very extensive, such as portable medical, car networking, intelligent family Residence, Industry Control, environmental monitoring etc. will will push MTC system application explosive growth, and large number of equipment will access network, realize true Positive " all things on earth interconnection " brings boundless vital force for mobile communication.Meanwhile extensive MTC system application range also can be to mobile logical Letter brings new technological challenge, such as real-time cloud computing, virtual reality, game on line, tele-medicine, intelligent transportation, intelligence electricity The business such as net, remote real_time control are more sensitive to time delay, propose higher demand to time delay.But the application of these business is also right The time delay of information exchange proposes higher requirement.
It is with V2X (Vehicle to Everything, vehicle and extraneous information exchange) business in intelligent transportation below Example illustrates the deficiencies in the prior art.
Studies have shown that 80% road traffic accident is since driver is caused by the carelessness that accident occurs in first 3 seconds. If 0.5 second driver that warns in advance, can to avoid 60% rear-end collision；If driver can do sth. in advance to obtain warning simultaneously for 1.5 seconds Take measures, then can to avoid 90% the car accident that knocks into the back.These collisions avoid class application requirement within the set range (such as 300 meters) vehicle between or vehicle and trackside infrastructure between road carried out with extremely short propagation delay time (representative value 100ms) The safety-related information exchange in road.Using including V2V (vehicle to vehicle, the information exchange of vehicle and vehicle), V2I (information exchange of Vehicle-to-Infrastructure, vehicle and infrastructure), V2P (Vehicle-to-Pedestrian, The information exchange of vehicle and people) etc. the active safety early warning technology of V2X communication mode sensed in advance road safety risk be current Various countries attempt a kind of new thinking of solving road traffic safety problem, by real-time between vehicle and vehicle, vehicle and trackside infrastructure Information exchange informs current road state (position, speed, acceleration including vehicle, driving path) and known each other Environmental information, collaborative sensing road hazard condition, to collision alarm, blind area alarm/lane-change alarm, cooperation combining before providing in time The multiclass warning information such as auxiliary, cooperation combining auxiliary, traffic lights violation alarm, so as to avoid most of road traffics The generation of safety accident.Some typical cases have emergency braking alarm, cooperation combining auxiliary, traffic lights alarm etc. in violation of rules and regulations.
In the prior art, road safety is being supported in application, being realized based on eMBMS technology using V2X mode.Its In, eMBMS (evolved MBMS, the MBMS of evolution) technology refers to: in LTE (Long Term Evolution, long term evolution) MBMS, MBMS (Multimedia Broadcast/Multicast Service, multimedia broadcasting multicast services) technology is For providing multimedia broadcasting and multicast services for the user in wireless area.EMBMS supports MBSFN (Multicast Broadcast Single Frequency Network, Multicast Broadcast Single Frequency Network) transmission mode, it may be assumed that belong to same Cell in the region MBSFN sends identical content in multiple cells in same time and frequency resource simultaneously.It receives The signal that multiple cells are sent can be regarded as the mulitpath of a signal by UE (User Equipment, user equipment), right These signals are handled, and macro diversity are obtained, to improve the signal receiving quality of Cell Edge User.
Road safety application is supported using V2X mode, transmission vehicle is required to receive road peace from high level under normal conditions Breath be totally disappeared to receiving MAC (Medium Access Control, the Media access contorl) layer of vehicle for road safety message delivery It is not more than 100ms to the time delay between high level, and the deficiencies in the prior art are that the V2X realized based on existing eMBMS technology Business, information exchange overall delay are 160ms, are not able to satisfy the delay requirement for supporting road safety application.
In fact, the problem is not only present in V2X business, in other similar environment or application, there is also this Problem, that is, the existing information transmission realized based on eMBMS technology, is not able to satisfy the delay requirement of some business.
Summary of the invention
A kind of information reporting, reception are provided in the embodiment of the present invention, the method and device of foundation are carried, to reduce letter Breath transmission, receiving time, meeting some pairs of time delays has the demand of business of particular requirement.
A kind of message receiving method is provided in the embodiment of the present invention, comprising:
The instruction information that receiving terminal apparatus is sent, the information that the instruction information will be reported to instruction terminal equipment are The information that will be sent in Time And Frequency resource corresponding with the region MBSFN；
The information reported is established service bearer for terminal device by request network side equipment；
The configuration information for the service bearer that network side equipment is established is received, and will for terminal device according to the configuration information The information configuration radio bearer reported；
Notice terminal device reports information on the radio bearer of configuration, and receives terminal on the radio bearer of configuration and set The standby information reported.
Preferably, instruction information is carried by RRC information and/or NAS message.
Preferably, when carrying instruction information by RRC signaling and/or NAS message:
It is to be carried by establishing in request message to increase RRC connection and establish reason in RRC connection, or, by RRC Increase IE in connection setup complete message to carry；
And/or carried by increasing IE in NAS message, or, passing through definitions in the IE in NAS message It puts to carry.
Preferably, it is described receive network side equipment establish service bearer configuration information, be by S1 interface signaling into Row is received.
It is one of in the following manner preferably, the notice terminal device reports information on the radio bearer of configuration Or a combination thereof notified: RRC signaling, NAS message, system broadcast message.
Preferably, when notifying terminal device by system broadcast message, by increasing in the MIB in system broadcast message Add IE or defines code-point to notify, alternatively, notified by increasing IE in the SIB in system broadcast message or defining code-point, Alternatively, being notified by increasing SIB in system broadcast message.
Preferably, the information reported is to be used for the V2X information of V2X business by terminal device.
Preferably, the instruction information is to be used for the V2X information of V2X business to the information that instruction terminal equipment will report When, including one of the following contents or a combination thereof:
Indicate the corresponding qos parameter information of V2X business；Indicate whether current business is V2X related service information；Instruction is worked as Preceding business is one of following business or a combination thereof: V2V business, V2I business, V2P business, V2C business it is one or more；Refer to Show that type of service is with one of Types Below or a combination thereof: road safety class business, traffic efficiency class business, traffic information class industry Business；Instruction business processing mode is one of following manner or a combination thereof: access network directly forward, accesses and nets MBMS and directly turn Hair；Whether instruction terminal equipment is V2X type terminals information.
A kind of carrying establishing method is provided in the embodiment of the present invention, comprising:
It receives access network node and establishes the request of service bearer, the service bearer is used for transmission terminal device and will report Information, the information are the information that will be sent in Time And Frequency resource corresponding with the region MBSFN；
Establish service bearer, the service bearer includes that terminal device is reported to access network node and wirelessly held used in information It carries；
The configuration information for the service bearer for notifying access network node to establish.
Preferably, the request for receiving access network node and establishing service bearer, is received by S1 interface signaling 's.
Preferably, it is described notice access network node establish service bearer configuration information, be by S1 interface signaling into Row notice.
Preferably, include in the configuration information for the service bearer that the notice access network node is established one of following information or Person's a combination thereof: spot broadcasting instruction, local MBSFN forwarding instruction, V2X carrying instruction.
Preferably, it is the V2X letter for being used for V2X business that the service bearer, which is used for transmission terminal device for the information reported, Breath.
A kind of information uploading method is provided in the embodiment of the present invention, comprising:
To access network node send instruction information, the instruction information to the information that instruction terminal equipment will report be by The information sent in Time And Frequency resource corresponding with the region MBSFN；
Receive the notice of access network node, the notice carry report radio bearer used in information with confidence Breath；
After terminal device collects information, information is reported on the radio bearer according to configuration information.
Preferably, the instruction information to access network node transmission is carried by RRC information and/or NAS message.
Preferably, when carrying instruction information by RRC information and/or NAS message:
It is to be carried by establishing in request message to increase RRC connection and establish reason in RRC connection, or, by RRC Increase IE in connection setup complete message to carry；
And/or carried by increasing IE in NAS message, or, passing through definitions in the IE in NAS message It puts to carry.
It is to be connect one of in the following manner or a combination thereof preferably, the notice for receiving access network node It receives: RRC signaling, NAS message, system broadcast message.
Preferably, being by system broadcast message when receiving the notice of access network node by system broadcast message In MIB in increase IE or to define code-point received, increase IE or fixed in the SIB in system broadcast message alternatively, passing through Adopted code-point is next received, alternatively, by increasing SIB in system broadcast message come received.
Preferably, being the V2X information for V2X business according to the information that configuration information reports on the radio bearer.
A kind of information receiver is provided in the embodiment of the present invention, comprising:
Indicate information receiving module, for the instruction information that receiving terminal apparatus is sent, the instruction information is to indicate The information reported is the information that will be sent in Time And Frequency resource corresponding with the region MBSFN by terminal device；
Request module is carried, for requesting network side equipment that the information reported is established service bearer for terminal device；
Configuration information receiving module, the configuration information of the service bearer for receiving network side equipment foundation, and according to institute Stating configuration information is the information configuration radio bearer that terminal device will report；
Notice reporting information module for notifying terminal device to report information on the radio bearer of configuration, and is configuring Radio bearer on the information that reports of receiving terminal apparatus.
Preferably, instruction information receiving module, which is further used for receiving terminal apparatus, passes through RRC information and/or NAS message The instruction information of carrying.
Preferably, instruction information receiving module is further used for disappearing in receiving terminal apparatus by RRC information and/or NAS When ceasing the instruction information carried:
Instruction information be carried by establishing in request message increase RRC connection in RRC connection and establishing reason, or, It is carried by increasing IE in RRC connection setup complete message；
And/or instruction information is carried by increasing IE in NAS message, or, passing through the IE in NAS message It is middle to define code-point to carry.
Preferably, configuration information receiving module is further used for receiving the industry that network side equipment is established by S1 interface signaling The configuration information of business carrying.
It is set preferably, notice reporting information module is further used for one of in the following manner or a combination thereof notice terminal It is standby to report information on the radio bearer of configuration: RRC signaling, NAS message, system broadcast message.
Preferably, notice reporting information module is further used for leading to when notifying terminal device by system broadcast message It crosses in the MIB in system broadcast message and increases IE or define code-point to notify, alternatively, by system broadcast message Increase IE in SIB or define code-point to notify, alternatively, being notified by increasing SIB in system broadcast message.
Preferably, the information reported is to be used for the V2X information of V2X business by terminal device.
Preferably, instruction information receiving module is further used for report in the instruction information to instruction terminal equipment Information when being the V2X information for V2X business, what receiving terminal apparatus was sent includes one of the following contents or a combination thereof Indicate information:
Indicate the corresponding qos parameter information of V2X business；Indicate whether current business is V2X related service information；Instruction is worked as Preceding business is one of following business or a combination thereof: V2V business, V2I business, V2P business, V2C business it is one or more；Refer to Show that type of service is with one of Types Below or a combination thereof: road safety class business, traffic efficiency class business, traffic information class industry Business；Instruction business processing mode is one of following manner or a combination thereof: access network directly forward, accesses and nets MBMS and directly turn Hair；Whether instruction terminal equipment is V2X type terminals information.
A kind of carry is provided in the embodiment of the present invention establishes device, comprising:
Request receiving module is carried, the request of service bearer is established for receiving access network node, the service bearer is used In the information that transmission terminal equipment will report, the information is will to send out in Time And Frequency resource corresponding with the region MBSFN The information sent；
Module is established in carrying, and for establishing service bearer, the service bearer includes terminal device on access network node It notifies radio bearer used in breath；
Configuration information notification module, the configuration information of the service bearer for notifying access network node to establish.
Preferably, carrying request receiving module is further used for establishing business by S1 interface signaling reception access network node The request of carrying.
Preferably, configuration information notification module is further used for the industry for notifying access network node to establish by S1 interface signaling The configuration information of business carrying.
Preferably, configuration information notification module be further used for notify access network node include one of following information or its Combined configuration information: spot broadcasting instruction, local MBSFN forwarding instruction, V2X carrying instruction.
Preferably, carrying establishes module and is further used for establishing and is used for transmission terminal device and is used for V2X business for what is reported V2X information service bearer.
A kind of information reporting device is provided in the embodiment of the present invention, comprising:
Indicate information sending module, for sending instruction information to access network node, the instruction information is to indicate end The information reported is the information that will be sent in Time And Frequency resource corresponding with the region MBSFN by end equipment；
Notice receiving module is reported, for receiving the notice of access network node, the notice, which carries, reports information to be made The configuration information of radio bearer；
Report information module, for terminal device collect information after, according to configuration information on the radio bearer on It notifies breath.
Preferably, instruction information sending module is further used for sending to access network node through RRC information and/or NAS The instruction information that message carries.
Preferably, instruction information sending module is further used for carrying instruction letter by RRC information and/or NAS message When breath:
It is carried by establishing in request message to increase RRC connection and establish reason in RRC connection, or, by being connected in RRC It establishes and completes to increase IE in message to carry；
And/or carried by increasing IE in NAS message, or, by define in the IE in NAS message code-point come It carries.
Preferably, notice receiving module is reported to be further used for one of in the following manner or a combination thereof to receive access The notice of net node: RRC signaling, NAS message, system broadcast message.
Preferably, notice receiving module is reported to be further used for receiving the logical of access network node by system broadcast message When knowing, received by increasing IE in the MIB in system broadcast message or defining code-point, alternatively, by disappearing in system broadcasts Increase IE in SIB in breath or define code-point to receive, alternatively, being received by increasing SIB in system broadcast message.
Preferably, information module is reported to be further used for being reported on the radio bearer for V2X according to configuration information The V2X information of business.
The present invention has the beneficial effect that:
In technical solution provided in an embodiment of the present invention, in a scheme, on base station, belong under itself when receiving After the information that each terminal device of linchpin cell reports, the information just is sent to relevant base station, if the base station sent is first Base station, the cell for reporting the terminal device of information to belong to are first community, and the relevant each base station for receiving information is the second base It stands, then, first community belongs to the same region MBSFN with certain cells that the second base station has under its command；
And in another corresponding scheme, on the relevant base station in the other side (namely second base station), is being received After the information that one base station is sent, determine in the cell itself having under its command belong to the first community in the information source it is same The cell in the region MBSFN.
Then, in first base station and relevant second base station, at the same time in frequency resource to needs Terminal device issues the information, in this way, the terminal device in the same region MBSFN all has received from same simultaneously The information that the terminal device of cell reports, and because the transmission resource in each region MBSFN is different, so that each MBSFN area data When receiving not by interfering with each other.
In the technical solution provided in embodiments of the present invention, the information that reports terminal device not such as the prior art After being reported to the processing such as S-GW, P-GW, BMSC of network side, then sent using MBSFN mode by BMSC instruction base station；But it is straight It connects and carries out the information exchange that terminal device reports between the base stations, and be distributed to each base station after handling on base station and use MBSFN mode is sent, and due to not having the transfer of each core network entity of network side, is reduced MBSFN mode and is sent MBMS number According to time-consuming so that the technical solution provided in the embodiment of the present invention can satisfy the business that some pairs of time delays have particular requirement Demand.
Further, it additionally provides in the embodiment of the present invention and believes between the terminal device and access network node of realizing above-mentioned design Cease the scheme of transmission.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is eMBMS system architecture schematic diagram in the embodiment of the present invention；
Fig. 2 is the schematic network structure for realizing V2X communication in the embodiment of the present invention based on eMBMS；
Fig. 3 is the schematic network structure based on eMBMS realization V2X communication enhanced in the embodiment of the present invention；
Fig. 4 is one implementation process diagram of method for sending information in the embodiment of the present invention；
Fig. 5 is two implementation process diagram of method for sending information in the embodiment of the present invention；
Fig. 6 is message receiving method implementation process diagram in the embodiment of the present invention；
Fig. 7 is information transceiving method implementation process diagram in the embodiment of the present invention；
Fig. 8 is that the region MBSFN constitutes schematic diagram in the embodiment of the present invention；
Fig. 9 is that the region MBSFN constitutes schematic diagram in high speed of embodiment of the present invention scene；
Figure 10 is cell and the interregional relation schematic diagram of MBSFN in the embodiment of the present invention；
It is cell and the interregional relation schematic diagram of MBSFN under highway scene that Figure 11, which is in the embodiment of the present invention,；
Figure 12 establishes signalling interactive process implementing procedure for X2 interface MBSFN data transmission channel in the embodiment of the present invention and shows It is intended to；
Figure 13 is that X2 interface MBSFN data transmission channel configures the signal of renewal process implementing procedure in the embodiment of the present invention Figure；
Figure 14 deactivates/discharges implementation Process process for X2 interface MBSFN data transmission channel in the embodiment of the present invention and shows It is intended to；
Figure 15 is that EPS carrying constitutes schematic diagram in the embodiment of the present invention；
Figure 16 is information uploading method implementation process diagram in the embodiment of the present invention；
Figure 17 is carrying establishing method implementation process diagram in the embodiment of the present invention；
Figure 18 is the message receiving method implementation process diagram of access network node in the embodiment of the present invention；
Figure 19 is LTE network framework schematic diagram in the embodiment of the present invention；
Figure 20 is the non-competing random access switching flow schematic diagram that LTE system passes through X2 interface in the embodiment of the present invention；
Figure 21 is the non-competing random access switching flow schematic diagram that LTE system passes through S1 interface in the embodiment of the present invention；
Figure 22 is the switching method implementation process diagram of source base station side in the embodiment of the present invention；
Figure 23 is the switching method implementation process diagram of target BS side in the embodiment of the present invention；
Figure 24 is integrity protection process schematic in the embodiment of the present invention；
Figure 25 is the information transmission implementation environment schematic diagram that safe handling is carried out in the embodiment of the present invention；
Figure 26 is the key handling implementation environment schematic diagram in the embodiment of the present invention in information security processing；
Figure 27 is information receiver structural schematic diagram in the embodiment of the present invention；
Figure 28 is that apparatus structure schematic diagram is established in carrying in the embodiment of the present invention；
Figure 29 is information reporting apparatus structure schematic diagram in the embodiment of the present invention；
Figure 30 is access network node structural schematic diagram in the embodiment of the present invention；
Figure 31 is network side equipment structural schematic diagram in the embodiment of the present invention；
Figure 32 is terminal device structural schematic diagram in the embodiment of the present invention.
Specific embodiment
Description of specific embodiments of the present invention with reference to the accompanying drawing.
Inventor notices the applied business realized based on existing eMBMS technology or scene time delay not during invention Be able to satisfy requirement, by taking V2X business as an example, overall delay be 160ms the reason of it is as follows:
Fig. 1 is eMBMS system architecture schematic diagram, as shown, mainly including BMSC in eMBMS system architecture (broadcast multicast service center, broadcast multicast service center), MBMS GW (MBMS Gateway, MBMS gateway), MME (Mobility Management Entity, mobility management entity), MCE (Multi-cell/ Multicast Coordination Entity, multiple cell multicast coordination entity), eNB (evolution base station), in which:
BMSC: providing MBMS business and initiates MBMS loading establishing process.
MBMS GW: MBMS data is sent to each eNB using ip multicast mode.MBMS session control letter is interacted with MME It enables.
MME: it according to the session control signaling received from MBMS GW, is communicated by M3 interface with MCE and realizes MBMS session control System.
MCE: it is responsible for the distribution of each eNB MBMS resource.It generates MBMS business notification information and is sent to eNB.
ENB: will from BMSC received MBMS data packet, MCE specify resource according to set time with broadcast Mode is sent.It will be sent from the received MBMS business notification information of MCE with broadcast mode.
Based on eMBMS realize V2X communicate scheme major part is as follows:
Fig. 2 is the schematic network structure that V2X communication is realized based on eMBMS, as shown, realizing that V2X is logical based on eMBMS The mode of letter are as follows:
Vehicle UE (in figure to illustrate be UE1, UE2) reports road safety related using unicast (unicast) mode The position, speed, acceleration, driving path and the road environment information known of information such as this vehicle, the road that eNB reports vehicle Road security related information is through S-GW (Serving Gateway, gateway), P-GW (PDN Gateway, packet data network Gateway) etc. entities be sent to BMSC, the road safety relevant information that each vehicle reports is sent to by BMSC using MBSFN mode again The relevant cell of each vehicle periphery.
Under aforesaid way, the road that vehicle reports road safety information to receive its transmission to surrounding vehicle is sent The time-delay analysis of security information is seen below:
Table 1: realize that V2X communicates end-to-end overall delay based on eMBMS
Data transfer phase Time delay (ms)
Send vehicle UE → eNB 10
eNB→S-GW/PGW→BMSC 20
BMSC→eNB 40
MSP 80
ENB → reception vehicle UE 10
Overall delay 160
Wherein: MSP is MCH (Multicast Channel, Multicast Channel) (MCH Scheduling dispatching cycle Period)。
As it can be seen that be 160ms based on the V2X overall delay that existing eMBMS technology is realized, and this is not obviously able to satisfy support road The delay requirement of security application.
Inventor note that
For the scene for carrying out information exchange within a certain area, it is possible to reduce in the time delay that network side generates, specifically, Can as far as possible using access net the characteristics of reduce time delay.For example, in LTE system, between eNB can by X2 interface or S1 interface is directly communicated with other eNB, realizes seamless wireless resource management and synergistic data transmission.
Specifically described below, one is the technical solutions based on X2 interface, and one is the technical sides based on S1 interface Case.
One, based on the technical solution of X2 interface.
When, there are when X2 interface, in order to reduce the time delay of 160ms, being provided in the embodiment of the present invention between adjacent eNB Technical solution based on X2 interface, namely: in order to reduce the end-to-end time delay for realizing V2X based on eMBMS technology, propose one kind Enhancing realizes V2X communication plan based on eMBMS, and program design is main are as follows:
Fig. 3 is the schematic network structure that V2X communication is realized based on eMBMS of enhancing, as shown, base in this configuration It is main in the technical solution of X2 interface are as follows:
Vehicle UE reports road safety relevant information to serving cell using unicast (unicast) mode, such as the position of this vehicle Set, speed, acceleration, driving path and the road environment information known etc., in the present solution, eNB by under it is each support it is (special The road safety relevant information that vehicle reports in the cell of V2X business is interacted by X2 interface and adjacent eNB calmly), adjacent The road safety information collected under affiliated MBSFN area data source cell is sent to by the cell under eNB using MBSFN mode UE。
According to the above scheme, the road peace that vehicle reports road safety information to receive its transmission to surrounding vehicle is sent The time-delay analysis of full information is seen below:
Table 2: realize that V2X communicates end-to-end overall delay based on eMBMS
Data transfer phase Time delay (ms)
Send vehicle UE → eNB 10
eNB→eNB 10
MSP 80
ENB → reception vehicle UE 10
Overall delay 110
As can be seen that time delay is reduced to table by the 80ms that table 1 refers to scheme after the time-consuming of deduction MSP compared with 1 data of table The 30ms of 2 enhanced schemes referred to, it is seen then that reduce overall delay on the basis of this programme.Further, if passing through reduction The time of MSP, it is such as reduced to 60ms, the overall delay of road safety information interaction between UE can be reduced to 100ms or less.
Two, the technical solution based on S1 interface.
When between adjacent eNB be not present X2 interface when, eNB by under it is each support (specific) V2X business cell in vehicle The road safety relevant information reported by interacting between S1 interface pass-through mode and adjacent eNB, adopt by the cell under adjacent eNB The road safety information collected under affiliated MBSFN area data source cell is sent to UE with MBSFN mode.
Aforesaid way sends the road safety that vehicle reports road safety information to receive its transmission to surrounding vehicle The time-delay analysis of information is seen below:
Realize that V2X communicates end-to-end overall delay based on eMBMS when table 3 is interacted using S1 interface
Data transfer phase Time delay (ms)
Send vehicle UE → eNB 10
eNB→S-GW 10
S-GW→eNB 10
MSP 80
ENB → reception vehicle UE 10
Overall delay 120
As can be seen that time delay is reduced to table by the 80ms that table 1 refers to scheme after the time-consuming of deduction MSP compared with 1 data of table The 60ms of 3 enhanced schemes referred to, it is seen then that reduce overall delay on the basis of this programme.Further, if passing through reduction The time of MSP, it is such as reduced to 50ms, the overall delay of road safety information interaction between UE can be reduced to 100ms or less.
Based on above-mentioned design, the embodiment of the present invention is each provided realizes that the scheme of the design is as follows on base station:
In scheme, first base station is to receive the base station for the information that each terminal device reports, and first community is to belong to first The cell of base station, each terminal device are the administrative terminal devices of first community；
First base station is sent to the second base station after receiving information, and the second base station can have multiple, but it is required are as follows: is returned Belong to the second community of the second base station and first community belongs to the same region MBSFN；
For second community, it is also necessary to which explanation also has the second community for belonging to first base station, and equally, second is small The requirement in area is to belong to the same region MBSFN with first community, that is, belonging to other of the same region MBSFN with first community Cell, in embodiment referred to as second community.
Then, first base station and the second base station at the same time in frequency resource to first community, second small Photos and sending messages under the administrative each terminal device in area, in this way, the terminal device in the same region MBSFN all has received simultaneously and comes from The information that the terminal device of the same cell reports.
In implementation, it should be noted that, the not direct home base station of terminal device, but belong to divide in logic it is small Area, needing the reason of illustrating is that the region MBSFN in this programme is made of cell, and foregoing description is in order to facilitate understanding only The explanation physically carried out.The implementation of cell can be illustrated further below.Meanwhile terminal device not only includes mobile terminal Equipment also includes the various terminal devices in MTC, such as real-time cloud computing, virtual reality, game on line, long-range Sensor, data acquisition device in the business such as medical treatment, intelligent transportation, smart grid, remote real_time control etc..
In embodiment, it will mainly be illustrated by taking V2X business as an example, set using the Typical Representative UE of terminal device as terminal Information that is standby, being illustrated, and interacted as base station using the Typical Representative eNB of base station is then the V2X information in V2X business. It is readily apparent that, it, in instances then can be in above scheme are as follows:
First base station is to receive the base station for the V2X information that each UE is reported in V2X business, and each UE is that first community is administrative UE, first community are to belong to the cell of first base station；
First base station is sent to the second base station after receiving V2X information, and the second base station can have multiple, but it is required Are as follows: it belongs to the second community of the second base station and first community belongs to the same region MBSFN；
Then, first base station and the second base station at the same time in frequency resource to first community, second small The administrative each UE in area issues V2X information, in this way, the UE in the same region MBSFN has received from same small simultaneously The V2X information that the UE in area is reported.
The information sender case then provided in the embodiment of the present invention is as follows:
Fig. 4 is one implementation process diagram of method for sending information, as shown, may include steps of:
Step 401 receives the information that the administrative each terminal device of first community reports to first base station, the first community It is the cell for belonging to first base station；
Step 402, by the information be distributed to first community belong to the same region MBSFN each second community ownership it is each Second base station, the information by each second community under each base station in Time And Frequency corresponding with the region MBSFN It is sent in resource；
In implementation, namely distribute information between each second small of the region MBSFN using first community as data source cell Each second base station of area's ownership, wherein the concept of data source cell will be described below.
Step 403, first base station first community and to belong to belonging to first community for first base station same In the second community in the region MBSFN, sent in Time And Frequency resource corresponding with the region MBSFN to specified terminal device Information.
In implementation, it that is to say and belonging to first base station and belonging to the MBSFN using first community as data source cell Information is sent in the second community in region, wherein the concept of data source cell will be described below.
In specific implementation, if being readily apparent that by taking V2X business, V2X information as an example, in above scheme, then V2X in instances Method for sending information one in business may include steps of:
1, the V2X information that the administrative each UE of first community reports to first base station in V2X business is received, described first is small Area is the cell for belonging to first base station；
2, V2X information is distributed to each the second of each second community ownership for belonging to the same region MBSFN with first community Base station, the V2X information will provide in each second community under each base station in Time And Frequency corresponding with the region MBSFN It is sent on source；
3, in the first community of first base station and belong to first base station belong to the same region MBSFN with first community Second community in, in Time And Frequency resource corresponding with the region MBSFN send V2X information.
Fig. 5 is two implementation process diagram of method for sending information, as shown, may include steps of:
Step 501 receives the information from first community that first base station is sent to the second base station, and the first community is Belong to the cell of first base station；
Step 502, the determining second community for belonging to the same region MBSFN with first community, the second community are ownership Cell in the second base station；
In implementation, namely determine each second community for belonging to the region MBSFN using first community as data source cell, In, the concept of data source cell will be described below.
Step 503 sends information in the second base station with Time And Frequency resource corresponding with the region MBSFN.
In specific implementation, if being readily apparent that by taking V2X business, V2X information as an example, in above scheme, then V2X in instances Method for sending information two in business may include steps of:
1, the V2X information from first community that first base station is sent to the second base station is received, the first community is to return Belong to the cell of first base station；
2, the determining second community for belonging to the same region MBSFN with first community, the second community is to belong to second The cell of base station；
3, V2X information is sent with Time And Frequency resource corresponding with the region MBSFN in the second base station.
Fig. 6 is message receiving method implementation process diagram, as shown, may include steps of:
Step 601 receives the information that base station is sent；
Step 602 determines the corresponding region MBSFN according to the Time And Frequency resource for receiving information；
Step 603 presses rule process information corresponding with the region MBSFN.
In specific implementation, in the case that is faced after the information for receiving base station transmission is to receive several information；That In step 602, the corresponding relationship of the corresponding Time And Frequency resource in each region MBSFN can be determined first, for example, can be with System information determines the corresponding relationship of the corresponding Time And Frequency resource in each region MBSFN based on the received；Then, then pass through The Time And Frequency resource of the information received combines above-mentioned corresponding relationship that can determine the corresponding region MBSFN；Then, exist It, can be by rule process corresponding with each region MBSFN in the corresponding Time And Frequency resource in each region MBSFN in step 603 Upper received information.It is readily appreciated that, is according to the Time And Frequency resource for receiving information for the information that each receives It determines the corresponding region MBSFN, then presses rule process information corresponding with the region MBSFN.
In specific implementation, if by V2X business, V2X information, determine that corresponding relationship is known by system information for, It is readily apparent that, in above scheme, the message receiving method then in V2X business be may include steps of in instances:
Receive the V2X information that base station is sent；
System information determines each region MBSFN for supporting V2X business and Time And Frequency resource based on the received Corresponding relationship determines the corresponding region MBSFN further according to the Time And Frequency resource combination corresponding relationship of the information received；
By rule process corresponding with each support region MBSFN in each region MBSFN corresponding time for supporting V2X business With V2X information received in frequency resource.
In this example, it is corresponding rule be V2X information processing rule, it is not limited to this, the rule be it is preset, It can according to need formulation, for example, can be the rule of integrity protection processing.As long as the rule is and the region MBSFN It is corresponding, for example, MBSFN zone number is MBSFN when the rule is the processing rule of integrity protection and verifying Region 1 then carries out integrity verification by key (usually public key) corresponding with the region MBSFN 1.
In step 403, step 503, step 601, is being sent, connect with Time And Frequency resource corresponding with the region MBSFN Collect mail breath when, Time And Frequency resource corresponding for the region MBSFN of the information of transmitting-receiving, can be it is preset, such as: Base station needs to send information in the respectively region MBSFN 2 and the region MBSFN 3, sets the region MBSFN 2 and the region MBSFN 3 and occupies Subframe be respectively that subframe 7 and subframe 8 in each radio frames then belong to the area MBSFN in the V2X information for determining that needs are sent Domain 2 when, according to preset subframe 7 receive and dispatch, belong to the region MBSFN 3 then according to subframe 8 receive and dispatch.Know between each base station The extremely corresponding Time And Frequency resource in the region MBSFN is that those skilled in the art are easy to know, and, it is all to make each base Standing can know that the technical approach of the corresponding relationship also can all use in the present embodiment.
In implementation, when receiving and sending messages with Time And Frequency resource corresponding with the region MBSFN, the side MBMS can be used Formula can also be sent using other communication modes, such as (Device-to-Device, equipment arrive by mode of unicast, D2D Equipment) etc. modes, will send information to terminal device as long as can be realized.
To understand technical solution provided in an embodiment of the present invention from whole, first base station, the second base station, terminal is given below Implementing procedure between equipment.
Fig. 7 is information transceiving method implementation process diagram, as shown in the figure, wherein first community is to belong to the first base The cell stood, information by each second community under each base station in Time And Frequency resource corresponding with the region MBSFN Upper transmission, the second community are to belong to the cell of the second base station, may include:
Step 701 receives the information that the administrative each terminal device of first community reports to first base station；
Step 702, by the information be distributed to first community belong to the same region MBSFN each second community ownership it is each Second base station, is transferred to step 709；
Step 703 receives the information from first community that first base station is sent to the second base station, and the first community is Belong to the cell of first base station；
Step 704, the determining second community for belonging to the same region MBSFN with first community；
Step 705, in the second community of the second base station, in Time And Frequency resource corresponding with the region MBSFN to Specified terminal device sends information；
Terminal device in step 706, the second community of the second base station receives the information that the second base station is sent；
Step 707, the based on the received system information of the second base station determine the corresponding Time And Frequency money in each region MBSFN Source；
Step 708 presses the corresponding rule process in each region MBSFN in the corresponding Time And Frequency resource in each region MBSFN Upper received information；
Step 709, first base station first community and to belong to belonging to first community for first base station same In the second community in the region MBSFN, sent in Time And Frequency resource corresponding with the region MBSFN to specified terminal device Information；
Step 710, the first community of first base station, the terminal device in second community receive first and receive what base station was sent Information；
The system information of step 711, based on the received first base station determines the corresponding Time And Frequency money in the region MBSFN Source；
Step 712 is provided by rule process corresponding with the region MBSFN in the corresponding Time And Frequency in the region MBSFN Received information on source.
It should be noted that " specified terminal device " can be terminal equipment 1 as supported the terminal of V2X business to set Terminal device that is standby or supporting certain type V2X business (the relevant V2X business of such as road safety), is also possible to multiclass terminal Terminal device of the equipment as supported V2X business or M2M business, the terminal that all can also can receive network side transmission business are set It is standby.
For ease of description and the technical solution provided in the embodiment of the present invention is better understood, below to being related to The explanations such as definition, the embodiment of features such as " source cell ", " source base station ", " cooperation district ", " the same region MBSFN ".Explanation In, when needing to illustrate with example in order to understand, will be illustrated by taking V2X business, UE, V2X information as an example.
In embodiment, a region MBSFN includes a first community and at least one second community.Wherein, for For cell, when base station is realized using single antenna or multiple antennas and is covered to the wireless signal of specific region, these specific regions Referred to as cell, what cell this concept also often referred to provided service for the user terminal in this particular coverage includes base Logic entity including station software and hardware subsystem.
First community be its administrative each UE can in V2X business, by the cell of V2X information reporting to first base station, then, First community in embodiment is known as " source cell ", and first base station is known as " source base station ".
Wherein, only one first community of the region MBSFN, and, only one a corresponding time of the region MBSFN With frequency resource, a region MBSFN can correspond to more parts of Time And Frequency resources in actual scene, still, in same a period of time Between, the corresponding Time And Frequency resource in the region MBSFN is unique.
There will be several second communities in one region MBSFN, these second communities, which can be, belongs to other base stations , it is of course also possible to belong to first base station, the second community in embodiment is known as " cooperation district ".
" source " refers to the source for generating data, and the data which generates are the data that the region MBSFN is sent, " collaboration " It assists to send the data that the source generates.Data namely " V2X information " in embodiment.
As a result, in an implementation, the base station of V2X information distribution, is the area MBSFN belonged to using first community as data source cell Each second base station of each second community ownership in domain, meanwhile, using first community as the region MBSFN of data source cell, refer to this The corresponding transmission data in the region MBSFN are generated by first community.
So, V2X information by each second community under each base station the time corresponding with the region MBSFN and frequency It is sent in rate resource, specifically:
V2X information will belong to using first community as each of each second community in the region MBSFN of data source cell ownership Respectively belonging to using first community as in each second community in the region MBSFN of data source cell under the second base station, with it is described with First community be data source cell the corresponding Time And Frequency resource in the region MBSFN on send.
If in the cell belonging to first base station, there are second communities, then in the first community of first base station and each In second community, V2X information is sent in Time And Frequency resource corresponding with the region MBSFN, specifically:
First base station first community and respectively belong to using first community as the second small of the region MBSFN of data source cell Qu Zhong, with described to send V2X letter in first community Time And Frequency resource corresponding as the region MBSFN of data source cell Breath.
In scheme, on base station and adjacent base station, at the same time in frequency resource in a manner of MBMS to Each UE issues V2X information, and such purpose is that the UE guaranteed in the same region MBSFN can be received simultaneously from same The V2X information that the UE of a cell is reported.And the purpose of V2X business is that the UE in relevant range is enable timely to get this V2X information, for example, guarantee and report all UEs of the UE of V2X information within the scope of 300 meters that can receive the V2X information, it will It is necessary to make these UE all be in the same region MBSFN with the UE of V2X information is reported, the V2X information which is reported as The data source in the region MBSFN issues.In other words, it is formed by controlling the cell in the region MBSFN, that is, can guarantee V2X information Issue range.Since the treatment process of data is to be carried out according to the region MBSFN, and the region MBSFN is made of cell , this, which is also meaned that, determines that the composition cell in the same region MBSFN is the key component implemented, therefore below to cell and How each cell, which forms the region MBSFN, is illustrated, to more fully understand the reality of technical solution provided in an embodiment of the present invention It applies.
Fig. 8 is that the region MBSFN constitutes schematic diagram, and Fig. 9 is that the region MBSFN constitutes schematic diagram in High-speed Circumstance, and Figure 10 is small Area and the interregional relation schematic diagram of MBSFN, Figure 11 are cell and the interregional relation schematic diagram of MBSFN under highway scene, such as Shown in figure:
Enhancing realizes in V2X communication plan that lower region MBSFN of usual situation is by adjacent multiple based on eMBMS Cell constitutes the region MBSFN 1 as shown in Figure 8 and is made of Cell 1-Cell 7, and there are a data sources in each region MBSFN Cell, the cell are responsible for generating the data content that each cell is sent in a manner of MBSFN in the region this MBSFN, and data content point Other cells (cell in the same region MBSFN may belong to different eNB) in the region this MBSFN are issued, such as in fig. 8 It can choose data source cell of the Cell 1 as the region MBSFN.In different scenes, include in a region MBSFN Cell number can be configured according to actual environment, such as in highway environment the region MBSFN can along highway into Row setting, the region MBSFN shown in Fig. 9 are made of 3 cells being distributed along highway, and Cell 1 is used as the region MBSFN Data source cell.
In order to realize seamless V2X communication, need to create using each cell as source cell overlapped different The region MBSFN.It Figure 10, is to indicate the different regions MBSFN, each cell interposition with numbered circle in 11 Number in the place's of setting circle is the number in the region MBSFN using the cell as data source cell, if had in multiple cells When the circle of same number, then it represents that these cells belong to the same region MBSFN with the number-mark.
As shown in Figure 10, when each region MBSFN in system is made of, often a cell and surrounding 6 cells When a cell all has a region MBSFN centered on oneself, each cell will be by 7 MBSFN region overlays (such as Cell 1-Cell 7, other cells are not drawn, so not covered by 7 regions MBSFN because being in edge in figure Lid).As shown in figure 11, in highway scene, each region MBSFN is by a cell and surrounding 2 cell structures When at, each cell region MBSFN that there are one centered on oneself, each cell will be by 3 regions MBSFN Covering (such as Cell 1, Cell 2, Cell 3, Cell 5, other Cell4, Cell6 because not drawn in figure in edge, So not by 3 MBSFN region overlays).
In LTE system, the data in the different regions MBSFN occupy different subframes and send, therefore the difference region MBSFN In data send there is no interfering with each other.
In the implementation of step 402, it will it is related to the transmission of information between first base station and the second base station, namely: it will believe Breath is distributed to each second base station for belonging to each second community ownership in the same region MBSFN with first community.It below will be right first The implementation of information distribution under this situation is illustrated.
It is to be illustrated respectively from the implementation of first base station and the second base station side, but this is not during above description Mean that the two must cooperate implementation, in fact, also respectively solving first when first base station and the second base station are performed separately The problem of base station and the second base station side, can obtain superior technique effect when only the two is used in combination.It should be noted that Same base station may be needed to implement first simultaneously due to solving different problems in the different regions MBSFN The scheme of base station and the second base station, first base station, the appellation of the second base station are merely to preferably illustrate the embodiment of the present invention The scheme of middle offer, one of scheme can only be implemented by being not intended to a base station.
One, the implementation of information is transmitted between access network node by X2 interface.
For the information transmission for using X2 interface to carry out between access network node, in an implementation:
The user data transport function between eNB can be provided in X2 interface user face.X2-UP (X2User Plane, X2 User face) transmission network layer be based on IP (Internet Protocol, Internet Protocol), UDP (User Datagram Protocol, User Datagram Protocol) GTP-U (GPRS Tunnelling Protocol for is used on/IP agreement User Plane, GPRS user-plane tunnel agreement；GPRS:General Packet Radio Service, general packet without Line service) transmit the user face data between eNB.GTP-U agreement provides carrying user data package using tunneling mechanism Business, TEID (the Tunnel End Point in GTP (GPRS Tunnelling Protocol, GPRS Tunnel Protocol) packet header Identifier, tunnel end identifier) instruction T-PDU (Tunnelling Protocol Data Unit, tunnel-protocol data Unit) where tunnel.But the X2 user-plane transmissions in existing protocol between eNB are only related with switching, using UE related signaling, Establish the connection of RAB (Radio access bearer, radio access bearer) grade.
In specific implementation, the base station side of information is reported in first base station side namely receiving terminal apparatus, may include as follows Mode:
1, the information that the administrative each terminal device of first community reports to first base station is received, the first community is ownership In the cell of first base station；
2, the information each second community for belonging to the same region MBSFN with first community is distributed to by X2 interface to belong to Each second base station, the information by each second community under each base station the time corresponding with the region MBSFN with It is sent in frequency resource, that is, the information to be distributed to by X2 interface to the area MBSFN using first community as data source cell Each second base station of each second community ownership in domain；
3, in the first community of first base station and belong to first base station belong to the same region MBSFN with first community Second community in, send information to specified terminal device in Time And Frequency resource corresponding with the region MBSFN, That is, being sent out belonging to first base station and belonging in the second community using first community as the region MBSFN of data source cell It delivers letters breath.
Correspondingly, the base station side of the information forwarded in the second base station side namely receiving neighbor bs, may include such as lower section Formula:
1, the information from first community that first base station is sent to the second base station by X2 interface is received, described first is small Area is the cell for belonging to first base station；
2, the determining second community for belonging to the same region MBSFN with first community, the second community is to belong to second The cell of base station, that is, determining each second community for belonging to the region MBSFN using first community as data source cell；
3, information is sent with Time And Frequency resource corresponding with the region MBSFN in the second base station.
When by taking V2X business, UE as an example, to reduce in the enhancing eMBMS scheme that V2X time delay proposes, due to the region MBSFN In other cells in addition to data source cell be only responsible for cooperative transmission V2X data, require no knowledge about the corresponding UE information of the data, Also the type of service etc. of data is required no knowledge about, therefore new X2 user face data channel can be created for eMBMS data source Other cells of cell into the corresponding region MBSFN distribute eMBMS data.
In implementation, when creating the user face data channel X2, by above-mentioned reason it is found that it is both not required to exist by existing protocol It is created when related with switching, does not also need the only creation when transmitting V2X information, but can be needed when suitable according to implementation Creation is waited, for example, the data channel can be pre-created, can be led to immediately when generating V2X information, needing to transmit V2X information Data channel transmission is crossed, it, then can be by updating, discharging data when V2X information content changes or transmits without V2X information Channel is handled come the maintenance etc. for carrying out channel.It is of course also possible to which it is logical to go to create the data when needing to transmit V2X information on demand Road.
In implementation, be related to data channel implementation it is main be respectively as follows: creation, update, release data channel, then in the mistake Cheng Zhong can be such that between the first base station for sending data and the second base station of reception data
1, process is created.
In first base station:
It initiates the foundation request of X2 interface data channel respectively to the second base station, is wrapped in the request initiated second base station Include the following contents one of or a combination thereof: the resource requirement information of data channel that need to be established with second base station, the area MBSFN Domain identifier information, MBSFN area data source cell identification information；
After the X2 interface data channel of meet demand is established in second base station, sent out from the data channel to second base station It delivers letters breath.
On the second base station:
Receive the X2 interface data channel that first base station is initiated and establish request, include in the request the following contents one of Or a combination thereof: the resource requirement information of data channel, MBSFN zone identification information, MBSFN area data source cell are identified Information；
It is logical from the data after determining that foundation meets the X2 interface data channel of resource requirement according to the resource of the second base station Road receives the information that first base station is sent.
2, renewal process.
In first base station:
In the resource requirement for determining data channel or other demands, (such as MBSFN area identification, MBSFN area data source is small Area mark) variation after, which is initiated to the second base station for establishing the data channel according to the resource requirement after variation Update request；
Updated after data channel configuration meets the resource requirement after variation in second base station, from the data channel to this Two base stations send information.
On the second base station:
The data channel update request that first base station is initiated is received, includes updated to data channel in the request Resource requirement；
According to the configuration of the resource updates data channel of the second base station to meet updated resource requirement after, from the number The information sent according to channel reception first base station.
3, process is discharged.
In first base station:
When not having information to send demand on determining data channel, release is initiated to the second base station for establishing the data channel The request of the data channel；
Stop sending information from the data channel to second base station.
On the second base station:
Receive the request for the release data channel that first base station is initiated；
The data channel is discharged, and stops receiving the information that first base station is sent from the data channel.
In implementation, update and release for data channel, either by first base station initiate, be also possible to by What the second base station was initiated, for example, when the second base station judges that own resource is insufficient or resource status changes, it can basis The demand of itself initiates to update or release is requested.It can also be as follows in then implementing:
Data channel update request is initiated to first base station according to the resource of the second base station, includes after updating in the request The resource requirement to data channel；
Or, the request of release data channel is initiated to first base station according to the resource of the second base station.
It will be illustrated further below with specific embodiment of the example to the creation of data channel, update, release.
In order to realize communicating based on eMBMS realization V2X for enhancing described in Fig. 3, below to the embodiment party of data channel Case is illustrated, the program for the region MBSFN data source cell to belonging to the same region MBSFN but be not belonging to same eNB Other cells distribute MBMS data, so that all cells in the same region MBSFN can be sent out on identical running time-frequency resource Send identical data content.In order to which the transmission of vivider presentation data is interactive, in this place embodiment explanation, the address of use is Source eNB (Source eNB) and target eNB (Target eNB), rather than first base station and the second base station, it will be understood that when first When the information that base station is reported to the second base station transmission UE, first base station is source eNB, the second base station is target eNB.Tool when then implementing Body can be with are as follows:
Source eNB is requesting same MBSFN according to acquisition and resource information needed for target eNB interactive user face data Other cells (for convenience of describing, these cells are known as to the cooperation district in the corresponding region MBSFN) in region carry out the side MBSFN ENB (target belonging to the cooperation district that resource information is sent in the same region MBSFN in the interface message that formula is sent eNB).Source eNB can be by source eNB according to the region MBSFN each under it with resource information needed for target eNB interactive user face data UE number, information on load in corresponding data source cell etc. determine, can also indicate (such as MME, MCE) by upper level node, It can also be by O&M (Operation and Maintenance, operation and maintenance) configuration.There may be multiple belong under one eNB The cooperation district in the same region MBSFN, these cooperation districts can share user face channel, in the number for carrying out user face When according to transmission, it can be identified before data plus cooperation district ID.May have under another eNB multiple corresponding different The data source cell in the region MBSFN can independently create channel for the data source cell in the different regions MBSFN, can also be simultaneously Create the corresponding channel in data source cell in multiple and different regions MBSFN.
It is illustrated below with example, wherein embodiment A1 will be illustrated the foundation of MBSFN data channel, real It applies an A2 to be illustrated the configuration renewal process to data channel, embodiment A3 is by the deactivation to data channel/discharged Journey is illustrated.
Embodiment A1: MBSFN data channel is established
In embodiment, it will be illustrated by taking most common resource-bandwidth as an example.Then eNB1 (Source eNB) is according under it Bandwidth needed for the data source cell internal reference in each region MBSFN and UE number, the information on load of V2X determine interactive user face data Grade, request and eNB2 (Target eNB) establish X2 user plane data channel accordingly.Figure 12 is X2 interface MBSFN data biography Defeated Path Setup signalling interactive process implementation process diagram, as shown, basic signalling interactive process may include:
Step 1201, eNB1 send MBSFN data channel to eNB2 and establish request；
Step 1202, eNB2 send MBSFN data channel to eNB1 and establish response.
, can be in such a way that a data Path Setup message only establish a data channel in specific implementation, it can also In a manner of establishing multiple data channel simultaneously using a data Path Setup message.It will illustrate that a data leads to respectively below Road establishes message and only establishes a data channel and a data Path Setup message while the reality for establishing multiple data channel Apply mode.
1, a data Path Setup message only establishes a data channel
If: it include two cell cell 1 and cell 2 under eNB1, using cell 1 and cell 2 as data source cell The region MBSFN is respectively the region MBSFN 2 and the region MBSFN 3, and the subframe that the region MBSFN 2 and the region MBSFN 3 occupy is respectively Subframe 7 and subframe 8 in each radio frames；
The cell 3 of cell 1 and eNB2 under eNB2 comprising cell a cell3, eNB1 are adjacent small in geographical location Area, it is in the region MBSFN 2 of data source cell with the cell 1 of eNB1 that the cell 3 of eNB2, which belongs to, and the cell 3 of eNB2 needs It is right that the region MBSFN 2 in the cell 1 with eNB1 is sent in the corresponding subframe in the region MBSFN 2 (subframe 7 in each radio frames) Identical data in the subframe answered, the data sent in the corresponding subframe in the region MBSFN 2 are transmitted to eNB2 by eNB1.
It is the X2 interface number for the region MBSFN 2 that cell 1 is data source cell that Source eNB is initiated with eNB1 It is as follows according to transmission channel establishment process:
(1) UE number, the information on load of V2X are participated in data source cell cell 1 of the eNB1 according to the corresponding region MBSFN 2 The grade of bandwidth needed for determining interactive user face data, X2 user plane data channel is established in request accordingly.
(2) when eNB2 judgement can satisfy the Path Setup requirement of eNB1 transmission, according to the bandwidth for including in request message The channel of corresponding bandwidth is created, and establishes and responds to eNB1 sendaisle.
In implementation, the request message content that Source eNB is sent to Target eNB may include:
Source eNB ID (i.e. the ID of eNB1)；
MBSFN area identification (i.e. the corresponding mark in the region MBSFN 2)；
MBSFN area data source cell identifies (i.e. cell 1 mark)；
Request carries out the cell list (i.e. cell 3) of MBSFN cooperative transmission；
The bandwidth information etc. of the needs for the user plane data transfer that Source eNB is determined, such as: according to UE quantity, currently Load condition etc. determine the bandwidth needed, such as assess the channel and need support 50 UE road is carried out with the rate of average 5kbps Road secure data distribution, then bandwidth can be set to 50*5=250kbps.
Target eNB response message content may include:
Source eNB ID (i.e. the ID of eNB1)；
Target eNB ID (i.e. the ID of eNB2)；
Allow to carry out the cell list (i.e. cell 3) of MBSFN cooperative transmission；
User face data gap marker for data transmission；
Optionally, the reason of carrying the cell list that cannot be used for MBSFN transmission and cannot transmitting.
After the completion of Path Setup, the channel of above-mentioned creation is can be used by 2 data source cell of the region MBSFN (i.e. in eNB1 Cell1 the road safety data forwarding that the UE collected in) is reported is to eNB2, by the cell3 of eNB2 on the running time-frequency resource of setting It is sent by the rule of setting.It should be noted that working as the road safety data forwarding that eNB1 is reported UE by the channel created Before eNB2, operation can be performed some processing to data packet, integrity protection operation is first such as carried out to the data that UE is reported, so Post package in synchronization packets after relay to eNB2, so as under the cell3 of eNB2 UE receive corresponding data packet can Ensure the validity of received data by integrity verification, and the cell3 under the cell1 and eNB2 under eNB1 can be made The identical data of transmission on identical running time-frequency resource with MBSFN.
In implementation, when target eNB, which is not able to satisfy data channel foundation, to be required, Xiang Yuan eNB sends MBSFN data channel and builds Vertical failed message, content may include:
The reason of failure.
2, a data Path Setup message establishes multiple data channel simultaneously
If: it include two cell cell 1 and cell 2 under eNB1, using cell 1 and cell 2 as data source cell The region MBSFN is respectively the region MBSFN 2 and the region MBSFN 3, and the subframe that the region MBSFN 2 and the region MBSFN 3 occupy is respectively Subframe 7 and subframe 8 in each radio frames；
The cell 3 of cell 1, cell 2 and eNB2 under eNB2 comprising cell a cell3, eNB1 are geographical locations Adjacent cell, the cell 3 of eNB2 not only belonged to the cell 1 of eNB1 be data source cell the region MBSFN 2 in but also belong to The cell 2 of eNB1 is the region MBSFN 3 of data source cell；The cell 3 of eNB2 is needed in the corresponding subframe in the region MBSFN 2 Identical number in subframe corresponding with the region MBSFN 2 in the cell 1 of eNB1 is sent in (subframe 7 in each radio frames) According to, it is also desirable to it is sent in the cell 2 with eNB1 in the corresponding subframe in the region MBSFN 3 (subframe 8 in each radio frames) Identical data in the corresponding subframe in the region MBSFN 3；It is sent in the corresponding subframe in the region MBSFN 2 and the region MBSFN 3 Data are transmitted to eNB2 by eNB1.With eNB1 be Source eNB initiate for cell 1 be data source cell the area MBSFN The X2 interface data transmission channel in domain 2 is established and is passed for the X2 interface data in the region MBSFN 3 that cell 2 is data source cell Defeated Path Setup process is as follows:
(1) eNB1 is according to the data source cell cell 1 in the region MBSFN 2 and the data source cell cell 2 in the region MBSFN 3 It is interior participate in V2X UE number, information on load determine respective interactive user face data respectively needed for bandwidth grade, accordingly request with It establishes and is respectively directed to X2 user plane data channel.
(2) when eNB2 judgement can satisfy Path Setup request or the component requests of eNB1 transmission, according in request message The bandwidth for including creates the channel of corresponding bandwidth, and establishes and respond to eNB1 sendaisle.Here setting eNB2 can satisfy simultaneously Establish the request in two channels.
In implementation, the request message content that Source eNB is sent to Target eNB may include:
Source eNB ID (i.e. the ID of eNB1)；
Wherein, the data transmission channel for the data source cell cell 1 in the region MBSFN 2 establishes information and may include:
MBSFN area identification (mark of the region MBSFN 2)；
Data source cell ID (i.e. cell 1 mark)；
Request carries out the cell list (i.e. cell 3) of MBSFN cooperative transmission；
User face data gap marker for data forwarding；
The bandwidth information etc. of the needs for the user plane data transfer that Source eNB is determined, such as: according to UE quantity, currently Load condition etc. determine the bandwidth needed, such as assess the channel and need support 30 UE road is carried out with the rate of average 5kbps Road secure data distribution, then bandwidth can be set to 30*5=150kbps.
Wherein, the data transmission channel for the data source cell cell 2 in the region MBSFN 3 establishes information and may include:
MBSFN area identification (mark of the region MBSFN 3)；
Data source cell ID (i.e. cell 2 mark)；
Request carries out the cell list (i.e. cell 3) of MBSFN cooperative transmission；
User face data gap marker for data forwarding；
The bandwidth information etc. of the needs for the user plane data transfer that Source eNB is determined, such as: according to UE quantity, currently Load condition etc. determine the bandwidth needed, such as assess the channel and need support 50 UE road is carried out with the rate of average 5kbps Road secure data distribution, then bandwidth can be set to 50*5=250kbps.
Target eNB response message content then may include:
Source eNB ID (i.e. the ID of eNB1)；
Target eNB ID (i.e. the ID of eNB2)；
Wherein, may include: for the data transmission channel response message of the data source cell cell 1 in the region MBSFN 2
Allow to carry out the cell list (i.e. cell 3) of MBSFN cooperative transmission；
User face data gap marker for data transmission；
Optionally, the reason of carrying the cell list that cannot be used for MBSFN transmission and cannot transmitting；
Wherein, may include: for the data transmission channel response message of the data source cell cell 2 in the region MBSFN 3
Allow to carry out the cell list (i.e. cell 3) of MBSFN cooperative transmission；
User face data gap marker for data transmission；
Optionally, the reason of carrying the cell list that cannot be used for MBSFN transmission and cannot transmitting.
In implementation, after the completion of Path Setup, two channels of above-mentioned creation are can be used respectively by the region MBSFN 2 in eNB1 The road safety data that the UE collected in the data source cell cell 2 in data source cell (i.e. cell1) and the region MBSFN 3 is reported It is transmitted to eNB2, it is small to send 2 data source of the region MBSFN respectively by the rule of setting on the time-frequency of setting by the cell3 of eNB2 The data that the data source cell cell 2 in area (i.e. cell 1) and the region MBSFN 3 is generated.It should be noted that when eNB1 passes through Before the road safety data forwarding that the channel of creation reports UE is to eNB2, operation can be performed some processing to data packet, such as Integrity protection operation is first carried out to the data that UE is reported, relays to eNB2 after being then encapsulated in synchronization packets, so as to UE receives corresponding data packet under the cell3 of eNB2 can ensure the validity of received data by integrity verification, And can make cell1, cell2 under eNB1 respectively with the cell3 under eNB2 on identical running time-frequency resource with the hair of MBSFN Send identical data.
In implementation, when target eNB, which is not able to satisfy data channel foundation, to be required, Xiang Yuan eNB sends MBSFN data channel and builds Vertical failed message, content may include:
The data channel list that cannot be established, and establish the reason of failing.
Embodiment A2: data channel configuration is updated
In embodiment, it will be illustrated by taking most common resource-bandwidth as an example.The case where then the present embodiment describes be such as: when The cell list for including in UE quantity information, information on load, the region MBSFN in the data source cell in each region MBSFN occurs When change, need to update the configuration in corresponding data channel.Figure 13 is that X2 interface MBSFN data transmission channel configures renewal process Implementation process diagram, as shown, basic signalling interactive process may include:
Step 1301, eNB1 send the request of MBSFN data channel update to eNB2；
Step 1302, eNB2 send the confirmation of MBSFN data channel update to eNB1.
, can be in such a way that a data channel update message only update a data channel in specific implementation, it can also In a manner of updating multiple data channel configuration informations simultaneously using a data channel update message.It will illustrate one respectively below Data channel update message only updates a data channel and a data channel update message while updating multiple data The embodiment in channel.
1, a data channel update message only updates a data channel
If: it include two cell cell 1 and cell 2 under eNB1, using cell 1 and cell 2 as data source cell The region MBSFN is respectively the region MBSFN 2 and the region MBSFN 3, and the subframe that the region MBSFN 2 and the region MBSFN 3 occupy is respectively Subframe 7 and subframe 8 in each radio frames；
The cell 3 of cell 1 and eNB2 under eNB2 comprising cell a cell3, eNB1 are adjacent small in geographical location Area, it is in the region MBSFN 2 of data source cell with the cell 1 of eNB1 that the cell 3 of eNB2, which belongs to, and the cell 3 of eNB2 needs It is right that the region MBSFN 2 in the cell 1 with eNB1 is sent in the corresponding subframe in the region MBSFN 2 (subframe 7 in each radio frames) Identical data in the subframe answered, the data sent in the corresponding subframe in the region MBSFN 2 are transmitted to eNB2 by eNB1. MBSFN data transmission channel (gap marker are as follows: 00000010), be used for eNB1 for MBSFN has been created between eNB1 and eNB2 The data forwarding that the data source cell (cell 1 of eNB1) in region 2 generates uses MBSFN to eNB2, by the cell3 under eNB2 Mode is sent.
If increasing new cell a cell4, cell4 under eNB2 is also configured to belong to the region MBSFN 2, eNB1 need to ENB2 initiates data channel and configures renewal process.When eNB2 judgement can satisfy the channel configuration more new demand of eNB1 transmission, root Channel configuration is updated according to the more new information for including in request message, and updates and confirms to eNB1 sendaisle.
Then, in implementation, the update request message content that Source eNB (eNB1) is sent to Target eNB (eNB2) can To include:
Request updates user face data gap marker；
The cell list (cell3, cell4) of MBSFN cooperative transmission；
The bandwidth information (renewable, optional) of the needs for the user plane data transfer that Source eNB is determined；
Target eNB response message content may include:
Allow to carry out the cell list (cell3, cell4) of MBSFN cooperative transmission；
The reason of cannot be used for the cell list of MBSFN transmission and cannot transmitting (optional).
In implementation, when target eNB is not able to satisfy data channel update requirement, Xiang Yuan eNB sends MBSFN data channel more New failed message, content may include:
The reason of failure.
2, a data channel update message updates multiple data channel simultaneously
If: it include two cell cell 1 and cell 2 under eNB1, using cell 1 and cell 2 as data source cell The region MBSFN is respectively the region MBSFN 2 and the region MBSFN 3, and the subframe that the region MBSFN 2 and the region MBSFN 3 occupy is respectively Subframe 7 and subframe 8 in each radio frames；
The cell 3 of cell 1, cell 2 and eNB2 under eNB2 comprising cell a cell3, eNB1 are geographical locations Adjacent cell, the cell 3 of eNB2 not only belonged to the cell 1 of eNB1 be data source cell the region MBSFN 2 in but also belong to The cell 2 of eNB1 is the region MBSFN 3 of data source cell；The cell 3 of eNB2 is needed in the corresponding subframe in the region MBSFN 2 Identical number in subframe corresponding with the region MBSFN 2 in the cell 1 of eNB1 is sent in (subframe 7 in each radio frames) According to, it is also desirable to it is sent in the cell 2 with eNB1 in the corresponding subframe in the region MBSFN 3 (subframe 8 in each radio frames) Identical data in the corresponding subframe in the region MBSFN 3；It is sent in the corresponding subframe in the region MBSFN 2 and the region MBSFN 3 Data are transmitted to eNB2 by eNB1.Two MBSFN data transmission channels (gap marker difference has been created between eNB1 and eNB2 Are as follows: 00000010,00000011), be respectively used to eNB1 by the data source cell (cell 1 of eNB1) in the region MBSFN 2 and The data forwarding that the data source cell (cell 2 of eNB1) in the region MBSFN 3 generates is used to eNB2 by the cell3 under eNB2 MBSFN mode is sent.
If eNB1 judgement is needed to two channels pair as the vehicle number under cell1 and the cell2 covering of eNB1 increases The bandwidth answered requires to increase, and eNB1 is needed to eNB2 data channel update process.ENB2 judgement can satisfy eNB1 transmission When the more new demand of channel, channel configuration is updated according to the more new information for including in request message, and send and lead to eNB1 Road updates confirmation.
Then, in implementation, the request message content that Source eNB is sent to Target eNB may include:
(1) 1 related content of user face data channel that request updates:
The user face data channel 1 that request updates identifies (00000010)；
The cell list (renewable, optional) of MBSFN cooperative transmission；
The bandwidth information of the needs for the user plane data transfer that Source eNB is determined is (e.g. according to UE quantity, current The bandwidth that recalculates of load condition).
(2) 2 related content of user face data channel that request updates:
The user face data channel 2 that request updates identifies (00000011)；
The cell list (renewable, optional) of MBSFN cooperative transmission；
The bandwidth information of the needs for the user plane data transfer that Source eNB is determined is (e.g. according to UE quantity, current The bandwidth that recalculates of load condition).
When updating more multi-channel content, content can be increased in a manner described.
Target eNB updates confirmation message content
(1) response message in the user face data channel 1 updated for request:
The user face data channel 1 that request updates identifies (00000010)；
Allow to carry out the cell list (optional) of MBSFN cooperative transmission；
The reason of cannot be used for the cell list of MBSFN transmission and cannot transmitting (optional).
(2) response message in the user face data channel 2 updated for request:
The user face data channel 1 that request updates identifies (00000011)；
Allow to carry out the cell list (optional) of MBSFN cooperative transmission；
The reason of cannot be used for the cell list of MBSFN transmission and cannot transmitting (optional).
When updating more multi-channel content, content can be increased in a manner described.
In implementation, when target eNB is not able to satisfy data channel update requirement, Xiang Yuan eNB sends MBSFN data channel more New failed message, content include:
Unrenewable data channel list, and update the reason of failing.
Embodiment A3: deactivation/release data channel
The case where the present embodiment describes be such as: if Source eNB decides not to that MBSFN is needed to transmit, it should request The reserved resource of Target eNB release and release user face data channel.Figure 14 is that X2 interface MBSFN data transmission channel is gone Activation/release implementation Process flow diagram, as shown, basic signalling interactive process may include:
Step 1401, eNB1 send MBSFN data channel deactivation/release message to eNB2.
In implementation, data channel deactivate or release message in can deactivate or discharge multiple channels, content can be as Under:
Deactivation/channel release X2MBSFN eNB ID,
Deactivation/release user face data gap marker or identification list.
Two, the implementation that information is transmitted between terminal device and access network node.
When solving information transmission between terminal device and access network node, can implement as follows:
Figure 15 is that EPS carrying constitutes schematic diagram, as shown, the business of application layer is finally presented as user in LTE system Panel data is transmitted using EPS (Evolved Packet System, evolved packet system) carrying, and EPS is carried by RB (Data Radio Bearer, radio bearer), S1 carrying, S5/S8 carrying composition.Along with the foundation of business, modifies and release It puts, operation, eat dishes without rice or wine part and the DRB (Data of EPS carrying also will dynamically be established, modified and be discharged to corresponding EPS carrying Radio Bearer, Data Radio Bearer) management by access network node (such as eNB) pass through RRC (Radio Resource Control, wireless heterogeneous networks) connection reconfiguration set process completion.DRB and EPS carrying is that correspondingly, EPS is carried by core The entities such as heart net MME (Mobility Management Entity, mobility management entity) are controlled, access network node RRC is originated from the S1AP control message that MME is sent to access network node to the management of DRB.LTE system allows real in handoff procedure (part) receiving to DRB is applied, Target cell can only receive the part DRB of UE.
In order to realize that the communication based on eMBMS of enhancing needs to modify to existing bearer management, with V2X business, For UE, need that network side is enable to identify UE initiation is V2X business, to establish to the V2X business that UE is reported corresponding Carry and configure other processing.It can be such that
Figure 16 is information uploading method implementation process diagram, as shown, on the terminal device, may include:
Step 1601 sends instruction information to access network node, and the instruction information will be reported to instruction terminal equipment Information be the information that will be sent in Time And Frequency resource corresponding with the region MBSFN；
Step 1602, the notice for receiving access network node, the notice, which carries, reports radio bearer used in information Configuration information；
Step 1603, terminal device collect information after, information is reported on the radio bearer according to configuration information.
Figure 17 is carrying establishing method implementation process diagram, as shown, it is directed to the instruction of terminal device, correspondingly, Following steps can be executed in network side equipment:
Step 1701 receives the solicited message that access network node establishes service bearer, and the service bearer is used for transmission end The information that end equipment will report, the information are the information that will be sent in Time And Frequency resource corresponding with the region MBSFN；
Step 1702 establishes service bearer, and the service bearer includes that terminal device to access network node reports information institute Radio bearer；
The configuration information for the service bearer that step 1703, notice access network node are established.
In specific implementation, which can specifically be implemented by MME, as long as in fact, it can be implemented as base The network side equipment of information transmission distribution bearing resource between standing can realize the program.
Figure 18 is the message receiving method implementation process diagram of access network node, in access network node, such as first Base station side namely receiving terminal apparatus report the base station side of information, report the radio resource of information to carry to transmit establishing On, following steps can be executed:
The instruction information that step 1801, receiving terminal apparatus are sent, the instruction information will be upper to instruction terminal equipment The information of report is the information that will be sent in Time And Frequency resource corresponding with the region MBSFN；
The information reported is established service bearer for terminal device by step 1802, request network side equipment；
Step 1803, the configuration information for receiving the service bearer that network side equipment is established, and be according to the configuration information The information configuration radio bearer that terminal device will report；
Step 1804, notice terminal device report information on the radio bearer of configuration, and on the radio bearer of configuration The information that receiving terminal apparatus reports.
It is respectively from the reality of terminal device, network side equipment, access network node (first base station) during above description It applies and is illustrated, but this does not imply that they must cooperate implementation, in fact, also respectively self solving when they are performed separately Certainly the problem of terminal device, network side equipment, access network node, when only they are used in combination, superior technique effect can be obtained Fruit.
In specific implementation, by taking V2X business, UE, V2X information are implemented as an example, that is, needing belonging to the same region MBSFN Each cell in the information that is sent in Time And Frequency resource corresponding with the region MBSFN be V2X information, then are as follows: UE V2X correlation is sent to network side node and indicates information, and network side node (including access network node and network side equipment) is according to UE The UE that is designated as sent establishes the carrying and the corresponding resource of configuration of transmission V2X business, and can set for the data in the carrying Set special operation.Detailed process can be such that
(1) UE sends V2X correlation instruction information to network side node and can be such that in an implementation
Network side node includes eNB, Relay (relaying), MME, HeNB (Home e NodeB, home evolved node B) etc. existing There is node, also includes the access network node of subsequent introducing.It, can when UE sends V2X business correlation instruction information to network side node Directly in RRC signaling (request message, RRC connection setup complete message, uplink information transmission message are established in such as RRC connection) It carries V2X business correlation and indicates information, V2X can also be carried in NAS (Non Access Stratum, Non-Access Stratum) signaling Business correlation indicate information, NAS signaling generally may include following signaling: as Attach Request (attach request), Service request (service request), Extended service request (service request of extension), bearer Resource allocation request (bearing resource distribution request), Bearer resource modification Request (bearing resource modification request) etc..
V2X business correlation indicates that information can be instruction V2X business corresponding QoS (Quality of Service, service Quality) parameter information, can be instruction current business whether be V2X related service information (specifically may indicate whether for V2V, V2I, V2P, V2C business etc.), can be the information (such as the road safety class business, traffic efficiency class industry that indicate specific type of service Business, traffic information class business etc.), can for instruction business processing mode information (as access network directly forward, access net MBMS is directly forwarded), can also be instruction UE be V2X type terminals information.
Below to carry some examples that V2X correlation indicates information in different messages, with following RRC connection requests, RRC Connection is completed, NAS message is also more to commonly use, so it for because these types of signaling has typicalness as example； But in theory, also possible with other signaling messages, in fact, how by existing signaling message come Transmission information be also for a person skilled in the art it is easy to accomplish, RRC connection request, RRC connection completion, NAS message only For instructing how those skilled in the art specifically implement the present invention, but it is not intended that it is only capable of using these types of message, implementation process In concrete condition referring to corresponding signaling can be needed to carry instruction information in conjunction with practice.
(1), it is established in request message in RRC connection and increases new RRC connection and establish reason, such as V2X access, vehicle Access, road safety access etc..
(2), increase new IE (Information Element, information unit) in RRC connection setup complete message, Carry instruction information such as V2X local service mark, local forwarding service mark, local MBSFN service identification etc..
(3), V2X business correlated identities information is carried (such as: V2X service identification, road safety business mark in NAS message Know, road vehicle safety service mark, V2X local service mark, local forwarding service mark, local MBSFN service identification, Qos parameter mark), new IE can be increased in current NAS message, or define new code-point in existing IE and (such as exist New code-point instruction is added in the Service type IE of Extended service request message).
2, the V2X business correlation instruction information that network side node is sent according to UE be UE establish transmission V2X business carrying, Corresponding resource is configured, and the special operation of the business can be directed to accordingly for the data setting in the carrying.
When network side node is access network node, the V2X that is sent such as eNB, HeNB, relay, network side node according to UE Business correlation indicates that information is that UE distributes corresponding resource such as eNB UE S1AP ID (mark is that eNB is distributed on S1 interface To the mark at the end eNB that control plane of each UE on S1 connects), RNTI (Radio Network Temporary Identity, wireless network temporarily identify) etc..
When network side node is the network side equipments such as core net node, such as MME, network side node is sent according to UE V2X business correlation indicates that information executes one of following steps:
The corresponding carrying (determining service bearer identification information, special identifier etc.) of V2X service creation is transmitted for UE, and is UE Distributing relevant resource such as MME UE S1AP ID, (mark is that MME distributes to control plane of each UE on S1 on S1 and connects The mark at the end MME connect), (E-RAB:Evolved Radio Access Bearer, the wireless access of evolution are held E-RAB ID Carry), GTP-TEID (GTP:GPRS Tunneling Protocol, GPRS Tunnel Protocol；TEID:Tunnel End Point Identifier, Tunnel End Point Identifier) etc., MME passes through S1 interface signaling (such as INITIAL CONTEXT SETUP REQUEST (initial context establishes request), UE CONTEXT MODIFICATION REQUEST (UE context modification request), E-RAB SETUP REQUEST (E-RAB establishes request), E-RAB MODIFY REQUEST (E-RAB modification request)) by what is established for UE Carrying information (including special identifier, such as spot broadcasting instruction, local MBSFN forwarding instruction, V2X carrying instruction) and distribution Associated resource information notifies the corresponding access network node (such as eNB) of UE；
Or, being determined as UE creates special radio bearer (not creating other carryings of radio bearer or more), and pass through S1 Interface signaling (such as INITIAL CONTEXT SETUP REQUEST, UE CONTEXT MODIFICATION REQUEST, E- RAB SETUP REQUEST, E-RAB MODIFY REQUEST) the information instruction of special radio bearer will be created (such as: local wide Broadcast instruction, local MBSFN forwarding instruction, V2X carrying instruction) to eNB.
Access network node then according to the instruction of MME or according to setting rule be UE configure corresponding radio bearer resources and Other related resources, it is subsequent received data packet in the carrying specifically to be handled, it will such as correspond to the upper UE of carrying The data packet reported is sent to other UE under this access net covering with broadcast mode, and the data packet in corresponding carrying is transmitted to Adjacent meets the requirements eNB (eNB that such as there is second community), these data packets are being sent to this access net section with broadcast mode The lower UE of point covering and other processing can be carried out before being forwarded to adjacent eNB, such as carry out integrity protection, increase for together Data packet head of step etc..
Network side node will notify UE for the configuration information of the UE carrying configuration information created and other resources.
Access network node by RRC signaling (such as RRCConnectionReconfiguration (RRC connection configuration), RRCConnectionSetup (RRC connection foundation), DLInformationTransfer (downlink information transmission) etc. or new definition RRC signaling) to UE send resource allocation information, including radio bearer configuration information (such as corresponding carrying protocal layers entity Configuration parameter)；Core net node (such as MME) by NAS signaling (such as Attach accept (attachment receive), Authentication request (checking request), Security mode command (safe mode command), Downlink Generic NAS transport (downlink general NAS transmission), Downlink NAS Transport (downlink NAS transmission), Activate dedicated EPS bearer context request (activating dedicated EPS bearer context request), Activate default EPS bearer context request (activation default EPS bearing context request), Modify EPS bearer context request (modification EPS bearer context request) etc. or the NAS message newly defined) it is sent to UE (relevant parameter, the EPS that public key, the public key that such as UE decoding V2X related service uses identified, generated public key are held resource allocation information Carry contextual information), MME needs to first pass through S1 interface signaling to the NAS signaling that UE is sent and is sent to eNB, then is passed through by eNB RRC signaling is sent to UE.
Network side node sends the relevant information for supporting V2X business by system broadcasts, and UE receives system message, supporting The cell of V2X business initiates the access of V2X related service, specifically may is that
System broadcasts can be in existing MIB (Master Information Block controls block of information), SIB Increase new IE in (System Information Block, system information block) or define new code-point and realizes, it can also be It is indicated in the SIB message newly defined.
Support the relevant information of V2X business, comprising: the V2X service type information of support, support the business side transmission V2X Formula information, support V2X business (MBSFN) area information etc..
Below with example come be illustrated UE, core net node MME, the interaction between access network node base station are implemented.
Embodiment B1
UE sends V2X to MME and indicates information, establishes the special carrying for being used for transmission V2X information by MME and (including carries (such as spot broadcasting instruction, local MBSFN forwarding instruction, V2X carrying instruction, without high level carrying, (such as S1 is held special sign Carry, S5/S8 carrying, external bearer) instruction etc.), special processing operation (as do not create radio bearer or more other carry) Deng), and the special carrying information is indicated to eNB, it is that the special carrying creates corresponding radio bearer by eNB, eNB can be right Data in the special carrying carry out specially treated, and the configuration information of relevant bearer is sent to UE by eNB.
Embodiment B1.1:
1, UE carries V2X in Attach Request message and indicates information.
2, MME receives the special carrying for establishing transmission V2X business after the instruction of UE for UE, what is sent to eNB Mark-local of the carrying configuration information and bearer properties is carried in INITIAL CONTEXT SETUP REQUEST message Broadcast instruction；
3, after eNB receives the message that MME is sent, corresponding radio bearer is configured for UE, and configuration information is passed through into RRC Connection reconfiguration sets message and is sent to UE；Later, eNB leads to the data packet received from the radio bearer namely V2X information It crosses broadcast mode and is sent to the UE for setting cell under this eNB.Here setting cell can under this eNB all cells, report Cell where the UE of data packet, the cell for meeting other treaty rules (are such as determined according to the geographical location of UE, signal(l)ing condition Its data packet reported should be broadcasted in which cell).
Embodiment B1.2:
1, UE carries local MBSFN forwarding instruction letter in Bearer resource allocation request message Breath.
2, MME receives the special carrying for establishing transmission V2X business after the instruction of UE for UE, in the E-RAB sent to eNB Mark-local MBSFN forwarding instruction of the carrying configuration information and bearer properties is carried in SETUP REQUEST message.
3, after eNB receives the message that MME is sent, corresponding radio bearer is configured for UE, and configuration information is passed through into RRC Connection reconfiguration sets message and is sent to UE；Later, eNB divides the data packet received from the radio bearer namely V2X information The eNB (eNB that such as there is second community) met the requirements around issuing, by the eNB that meets the requirements under qualified cell It is sent.
Embodiment B1.3:
1, UE carries V2X in Service Request message and indicates information.
2, MME receives the special carrying for establishing transmission V2X business after the instruction of UE for UE, what is sent to eNB The carrying configuration information is carried in INITIAL CONTEXT SETUP REQUEST message and the mark-V2X of bearer properties is held Carry instruction.
3, after eNB receives the message that MME is sent, corresponding radio bearer is configured for UE, and configuration information is passed through into RRC Connection reconfiguration sets message and is sent to UE；Later, eNB sends the data packet received from the radio bearer by broadcast mode It is transmitted to what surrounding was met the requirements to the UE for setting cell under this eNB, while by the data packet received from the radio bearer ENB (eNB that such as there is second community).
Embodiment B2
UE sends V2X to MME and indicates information, is determined as UE by MME and creates special radio bearer (not creating radio bearer Other above carryings), and the information for creating special radio bearer is indicated to eNB, it is that special carrying creation corresponds to by eNB Radio bearer, eNB can carry out specially treated to the data in the special carrying, and eNB sends the configuration information of relevant bearer To UE.
Embodiment B2.1:
1, UE carries the instruction of V2X business in Attach Request message.
2, after MME receives the instruction of UE, it is determined as UE and creates special radio bearer, in the INITIAL sent to eNB Instruction-spot broadcasting the instruction for creating special radio bearer is carried in CONTEXT SETUP REQUEST message.
3, after eNB receives the message that MME is sent, corresponding radio bearer is configured for UE, and configuration information is passed through into RRC Connection reconfiguration sets message and is sent to UE；Later, eNB sends the data packet received from the radio bearer by broadcast mode To the UE for setting cell under this eNB.Here setting cell can be the place UE of all cells, reported data packet under this eNB Cell, the cell that meets other treaty rules (its data packet reported is such as determined according to the geographical location of UE, signal(l)ing condition Which should be broadcasted in cell).
Embodiment B2.2:
1, UE carries local MBSFN forwarding service in Bearer resource allocation request message and refers to Show.
2, after MME receives the instruction of UE, it is determined as UE and creates special radio bearer, in the E-RAB sent to eNB Instruction-local MBSFN forwarding the instruction for creating special radio bearer is carried in SETUP REQUEST message.
3, after eNB receives the message that MME is sent, corresponding radio bearer is configured for UE, and configuration information is passed through into RRC Connection reconfiguration sets message and is sent to UE；Later, the data packet received from the radio bearer is transmitted to around to meet and want by eNB The eNB (eNB that such as there is second community) asked, is sent under qualified cell by the eNB met the requirements.
Embodiment B2.3:
1, UE carries the instruction of V2X business in Service Request message.
2, after MME receives the instruction of UE, it is determined as UE and creates special radio bearer, in the INITIAL sent to eNB Instruction-V2X carrying the instruction for creating special radio bearer is carried in CONTEXT SETUP REQUEST message.
3, after eNB receives the message that MME is sent, corresponding radio bearer is configured for UE, and configuration information is passed through into RRC Connection reconfiguration sets message and is sent to UE；Later, eNB sends the data packet received from the radio bearer by broadcast mode It is transmitted to what surrounding was met the requirements to the UE for setting cell under this eNB, while by the data packet received from the radio bearer eNB。
Embodiment B3:
UE initiates normal loading establishing process, UE mark or qos parameter is carried in message, MME is identified by UE or QoS Parameter is determined as UE and creates special carrying, and the information of the special carrying is indicated to eNB, is special carrying wound by eNB Corresponding radio bearer is built, eNB can carry out specially treated to the data in the special carrying, and eNB matches confidence for relevant bearer Breath is sent to UE.
Embodiment B3.1:
1, UE carries UE mark in Attach Request message.
2, MME receives the signing information for identifying in Attach information by UE and searching UE to HSS, is believed by the signing of acquisition Breath is determined as the special carrying that UE establishes transmission V2X business, in the INITIAL CONTEXT SETUP sent to eNB Mark-spot broadcasting instruction of the carrying configuration information and bearer properties is carried in REQUEST message；
3, after eNB receives the message that MME is sent, corresponding radio bearer is configured for UE, and configuration information is passed through into RRC Connection reconfiguration sets message and is sent to UE；Later, eNB sends the data packet received from the radio bearer by broadcast mode To the UE for setting cell under this eNB.Here setting cell can be the place UE of all cells, reported data packet under this eNB Cell, the cell that meets other treaty rules (its data packet reported is such as determined according to the geographical location of UE, signal(l)ing condition Which should be broadcasted in cell).
Embodiment B3.2:
1, UE carries qos parameter information in Bearer resource allocation request message.
2, MME is determined as by the qos parameter information carried in Bearer resource allocation request UE establishes the special carrying of transmission V2X business, is carrying the carrying into the E-RAB SETUP REQUEST message that eNB is sent The mark of configuration information and bearer properties-local MBSFN forwarding instruction.
3, after eNB receives the message that MME is sent, corresponding radio bearer is configured for UE, and configuration information is passed through into RRC Connection reconfiguration sets message and is sent to UE；Later, the data packet received from the radio bearer is transmitted to around to meet and want by eNB The eNB asked.
Embodiment B4:
UE initiates normal loading establishing process, and the mark or Qos parameter of UE, the mark that MME passes through UE are carried in message Or Qos parameter, it is determined as UE and creates special radio bearer, and the information of the special radio bearer is indicated to eNB, by eNB Corresponding radio bearer is created for the special carrying, and eNB can carry out specially treated to the data in the special carrying, and eNB is by phase The configuration information for closing carrying is sent to UE.
Embodiment B4.1:
1, UE carries V2X UE identification information in Attach Request message.
2, MME receives the signing information for identifying in Attach information by UE and searching V2X UE to HSS, passes through the label of acquisition About information is determined as UE and creates special radio bearer, then in the INITIAL CONTEXT SETUP sent to eNB The instruction for creating special radio bearer is carried in REQUEST message.
3, after eNB receives the message that MME is sent, corresponding radio bearer is configured for UE, and carrying configuration information is led to It crosses RRC connection reconfiguration and sets message and be sent to UE；It needs to carry out the data packet received from the radio bearer according to agreement eNB Spot broadcasting.
Embodiment B4.2:
1, UE carries qos parameter information in Bearer resource allocation request message.
2, MME is determined as by the qos parameter information carried in Bearer resource allocation request UE creates special radio bearer, and the special nothing of creation is then being carried into the E-RAB SETUP REQUEST message that eNB is sent The instruction of line carrying.
3, after eNB receives the message that MME is sent, corresponding radio bearer is configured for UE, and carrying configuration information is led to It crosses RRC connection reconfiguration and sets message and be sent to UE；It needs to carry out the data packet received from the radio bearer according to agreement eNB Spot broadcasting.
Embodiment B5:
UE sends V2X to access network node by RRC information and indicates information, and NAS message therein is transmitted to core net, The NAS message that core net is sent according to UE is that UE creates common carrying, and core net node is what UE was distributed by access network node Carrying makes marks, and the data that UE is reported in the carrying are done specially treated.
Embodiment B5.1:
1, V2X instruction information is added in UE in RRC connection setup complete message, initiates business to eNB instruction current UE and is V2V road safety business.
2, the NAS message in RRC connection setup complete message is transmitted to MME by eNB, is designated as UE foundation pair according to MME The radio bearer answered.Spot broadcasting is carried out according to the V2V road safety business datum that agreement eNB needs to report UE, eNB will be right The radio bearer answered does spot broadcasting label.
3, the data packet that eNB will be present that received UE is uploaded in the carrying of spot broadcasting label is handed down to by broadcast mode Other UE under this cell.
Embodiment B5.2:
1, V2X instruction information is added in UE in RRC connection setup complete message, corresponding to eNB instruction UE requested service UE reported data needs to carry out spot broadcasting and local MBSFN forwarding.
2, the NAS message in RRC connection setup complete message is transmitted to MME by eNB, is designated as UE foundation pair according to MME The radio bearer answered.Spot broadcasting and local are carried out according to the V2V road safety business datum that agreement eNB needs to report UE Corresponding radio bearer is marked by MBSFN forwarding, eNB.
3, the data packet that eNB will be present that received UE is uploaded in the carrying of spot broadcasting label is handed down to by broadcast mode Other UE under this cell, and the eNB that surrounding is met the requirements is transmitted to by X2/S1 interface.
As seen from the above-described embodiment, UE is provided in embodiment sends V2X business correlation instruction information to network side node Scheme；Network side node receives the processing scheme of the V2X business correlation instruction information of UE transmission；Network side node will be related Configuration information is sent to the scheme of UE.
Specifically, V2X business correlation instruction information is sent to network side node by UE；V2X business correlation indicates that information can To include: V2X service identification, road safety service identification, road vehicle safety service mark, V2X local service mark, local Forwarding service mark, local MBSFN service identification, V2X access mark, vehicle access mark, road safety access mark Deng.
V2X business correlation instruction information can be sent to access network node by RRC information by UE, specifically can be with:
Established in request message in RRC connection and increase new RRC connection and establish reason, as V2X access, vehicle access, Road safety access etc.；
Increase new IE in RRC connection setup complete message, carries instruction information such as V2X local service and identify, is local Forwarding service mark, local MBSFN service identification etc.；
V2X business correlation instruction information is sent to core net node by NAS message by UE；
Increase new IE in current NAS message, or defines new code-point (such as in Extended in existing IE New code-point instruction is added in the Service type IE of service request message)；
The V2X business correlation instruction information that network side node is sent according to UE is that UE executes corresponding carrying configuration and setting Processing；
The carrying information configured for UE and other resource informations are notified UE by network side node；
Resource allocation information is sent to UE, as EPS bearer context information, carrying configuration information, UE decode V2X correlation industry Public key, public key mark, the relevant parameter for generating public key for make suring etc..
Scheme through this embodiment enables the network to identify the V2X business that UE is initiated, executes respective resources Allocation processing.
Three, the implementation in handoff procedure
In Fig. 4,5 method for sending information one, two implementation processes, the case where terminal device will appear switching, below it is right The case where switching, is illustrated.
Figure 19 is LTE network framework schematic diagram, as shown, LTE system network side entity is made of MME/S-GW, eNB. Interface between eNB and eNB is X2 interface, and the interface between MME/S-GW and eNB is S1 interface.
In LTE network, when UE is moved to another eNB from an eNB, in order to interrupt occurent business not, It needs to switch over.If there are X2 connections between eNB, handoff procedure can be completed by X2 interface；If do not had between eNB There is X2 interface, can be completed by S1 interface.
Figure 20 is the non-competing random access switching flow schematic diagram that LTE system passes through X2 interface, as shown, in source After eNB judges that UE needs switch over based on the UE measurement report reported and RRM (wireless resource management) information, pass through X2 interface Handoff procedure mainly include the following steps:
Step 2001, source eNB send handover request (switching request) message to target eNB；
UE is carried in switching request information and switches over information necessary to preparation to target eNB, and such as: UE is in the eNB of source Context (context) information, target cell ID etc.；
Step 2002, target eNB return to handover request ack (Handover Request Acknowledge) message to source eNB；
If resource used in switching UE goes through in target eNB, Target cell will be corresponding for UE configuration Resource, and switching request ack message is sent to source eNB.Switching request ack message includes UE required when switching to target eNB Parameter information, such as: may include the preamble of the system information, UE of target eNB when target eNB carries out random access (preceding Leading code) information etc.；
Step 2003, source eNB send RRC connection reconfigurationg (RRC connection configuration) to UE and disappear Breath；
Source eNB sends switching command information after the switching request ack message for receiving target eNB transmission, to UE, indicates UE It is switched over to target eNB.Source eNB is included in target eNB to the content of the UE switching command sent and cuts to what source eNB was sent It changes in request ack message；
Step 2004, UE send Random Access preamble (random access leader sequence) to target eNB；
Step 2005, target eNB return to RAR (Random Access Response, random access response)；
After receiving switching command, UE executes synchronous with target eNB's.If the dedicated RACH of dispensing in switching command Preamble (RACH leader sequence；RACH:Random Access Channel, random access channel), then using it is uncontested with Machine access process accesses Target cell, if without the dedicated RACH preamble of dispensing, using based on competition random access Process accesses Target cell；
Step 2006, UE send RRC connection reconfigurationg complete (RRC to target eNB Connection configuration is completed) message.
After UE is successfully accessed Target cell, UE sends handoff completion message, and the switching flow to target eNB instruction UE is complete At.
Figure 21 is the non-competing random access switching flow schematic diagram that LTE system passes through S1 interface, as shown, with passing through The switching flow difference that X2 interface carries out is to need mainly to include the following steps: by MME by the handoff procedure of S1 interface
Step 2101, source eNB send handover required (switching demand) message to MME；
Step 2102, MME send handover request message to target eNB；
Step 2103, target eNB return to handover request ack message to MME；
Step 2104, MME return to handover command (switching command) message to source eNB；
Step 2105, source eNB send RRC connection reconfigurationg message to UE；
Step 2106, UE send Random Access preamble to target eNB；
Step 2107, target eNB return to RAR；
Step 2108, UE send RRC connection reconfigurationg complete message to target eNB；
Step 2109, target eNB send handover notify (switching notice) message to MME.
Due to being not involved with the related content of information, target eNB in switching it can be seen from above-mentioned two switching flow Corresponding processing cannot be done for the UE of specific information transmit-receive.By taking V2X business as an example, in current hand off signaling not comprising Whether UE receives and dispatches the relevant information of V2X business, and target eNB cannot do specially treated for the UE for carrying out V2X transmitting-receiving, and this may It will lead to the ongoing V2X business of UE to interrupt, cause traffic safety hidden danger.Certainly, there is also same for other business Problem.
In order to realize Fig. 4, the communication based on eMBMS of enhancing described in 5, also proposed in the embodiment of the present invention corresponding Switch instances under processing scheme, for solve network side node switching when guarantee information transmit-receive continuity problem, should Scheme specifically can be used on the network side nodes such as base station, repeater.
Figure 22 is the switching method implementation process diagram of source base station side, as shown, may include steps of:
Step 2201 determines that the terminal device for belonging to first base station will switch to the second base station；
In implementation, the information that the terminal device will report is needed in each cell for belonging to the same region MBSFN The information sent in Time And Frequency resource corresponding with the region MBSFN, and/or, received information is that each base station exists Belong to the information sent in Time And Frequency resource corresponding with the region MBSFN in each cell in the same region MBSFN, That is, need to send in belonging to each cell using the cell of reporting information by terminal as the region MBSFN of data source cell Information；
Step 2202 sends switching request message to the second base station, instruction and the terminal in the switching request message Equipment reports and/or receives information-related setting information.
In implementation, when target BS allows to switch, it can further include:
What step 2203, the second base station of reception returned includes the switching request acknowledgement message of switching command, is cut described It changes in order and carries the second base station according to reporting and/or receive matching for information-related setting information configuration with the terminal device Confidence breath；
Step 2204 sends the switching command to terminal device.
In implementation, for step 2202, instruction is reported and/or is received with the terminal device in the switching request message Information-related setting information can be and one of in the following manner or a combination thereof indicate:
The setting information is added in AS-Context；
Add in the corresponding E-RABs To Be Setup Item of E-RAB for the business that carrying reported and/or received information Add the setting information；
It carries in RRC Context in the corresponding information of DRB for the business for reporting and/or receiving information and is set described in addition Confidence breath.
Equally, when by taking V2X business, UE as an example, when the judgement of source network side gusset is receiving V2X service and/or to V2X When the interested UE of business needs to switch over, the UE can be carried in the switching request message sent to target network side gusset V2X correlation indicate information, such as: the related instruction of V2X carrying, the instruction of V2X frequency point correlation, V2X business correlation indicate information, V2X Specific ID instruction (such as MME UE S1AP ID, E-RAB ID, DRB ID, the instruction of logic channel ID V2X ID correlation). Specific mode can be one of the following or a combination thereof:
1, the addition in AS-Context (Access Stratum context, access layer (such as E-UTRAN) context) V2Xinterestindication (instruction of V2X interest) information, as whether UE receives V2X service, current UE receives V2X service Frequency point, UE receive V2X service mode (such as by mode of unicast, MBMS mode, D2D mode), UE receive V2X service side The priority etc. of formula)；
2, the V2X type of service that addition UE is supported in UE Context Information (UE contextual information) refers to Show, the instruction of V2X service priority；
3, the E-RAB of V2X business association is added in E-RABs To Be Setup Item (project will be arranged in E-RABs) Instruction, the instruction of V2X type of service, the instruction of V2X service priority；
4, the DRB of addition V2X business association is indicated in RRC Context (RRC context), V2X type of service indicates, The instruction of V2X service priority；
5, believed using for example special MME UE S1AP ID of the ID value of V2X specific, E-RAB ID, DRB ID, logic Road ID notifies target network side gusset UE information relevant to V2X.
Figure 23 is the switching method implementation process diagram of target BS side, as shown, may include steps of:
What step 2301, reception first base station were sent switches to the second base station for the terminal device for belonging to first base station Switching request message, finger, which is shown with, in the switching request message reports and/or receives information-related set with the terminal device Confidence breath；
In implementation, the information that the terminal device will report is needed in each cell for belonging to the same region MBSFN The information sent in Time And Frequency resource corresponding with the region MBSFN, and/or, received information is that each base station exists Belong to the information sent in Time And Frequency resource corresponding with the region MBSFN in each cell in the same region MBSFN, That is, need to send in belonging to each cell using the cell of reporting information by terminal as the region MBSFN of data source cell Information.
Step 2302, determine the terminal device that belong to first base station will be switched into the second base station after, terminal is set The standby resource for reporting and/or receiving information on the second base station is configured, and returning to first base station includes switching command Switching request acknowledgement message, the second base station is carried in the switching command and reports and/or connects according to the terminal device It collects mail and ceases the configuration information of related setting information configuration.
In implementation, the resource for terminal device being reported and/or being received information on the second base station is configured, and packet can include One of following configuration or a combination thereof:
The frequency point of information is reported and/or received for terminal equipment configuration；
The DRB parameter for the business that carrying reported and/or received information is configured；
For the terminal equipment configuration SPS period；
For terminal equipment configuration MBMS information relevant to the business for reporting and/or receiving information and/or the area MBSFN Domain information, these information can be used for public key, related service (such as V2X industry as needed for the corresponding data in the decoding region MBSFN Business) corresponding MBSFN area identification etc.；
The DRB that the service creation of information is reported and/or received for terminal device and terminal device are reported and/or are received letter The corresponding E-RAB of the business of breath is associated；
Terminal device is reported and/or is received the processing entities correlation association of the corresponding DRB of business of information.
Equally, when by taking V2X business, UE as an example, if UE switching is ratified by target network side gusset, target network side section Point one of can perform the following operations or a variety of are as follows:
Corresponding resource is configured for the UE, and is carried configuration information as the content of switching command in switching request ACK It is sent to source network side gusset (such as base station) in message, makes source network side gusset that switching command is sent to UE.Configuration operation Content can specifically include one or more of:
UE is configured to corresponding frequency point, in cell, to make UE carry out V2X data transmit-receive, net in the frequency point, cell Network side can configure multiple frequency points, cell for UE, such as can optionally configure multiple frequency points in urban area；
Special configuration is carried out to the DRB parameter of carrying V2X business, special timer length is such as set；
To supporting the UE of V2X business to carry out special configuration, special SPS (semi-persistent is such as configured Schedule, semi-continuous scheduling) period；
MBMS information related to V2X, MBSFN area information are (for as needed for the corresponding data in the decoding region MBSFN Public key, the corresponding MBSFN area identification of related service (such as V2X business))；
The DRB established for UE V2X is associated with E-RAB；DRB is associated with V2X specially treated entity, so as to the DRB The data packet of upper transmitting-receiving does specially treated, is transmitted to peripheral cell after the data packet of collection is such as carried out integrity protection.
Cutting when having received V2X business to be illustrated UE in source cell with example below and do not received V2X business Change implementation process.
Embodiment C1:UE has received V2X service in source cell.
1, vehicle UE1 receives V2X road safety service at the eNB of source, and UE1 periodically reports the state of oneself to source eNB Information (such as position, speed, driving direction), and believed by the state that reception MBMS business mode obtains other vehicles of surrounding UE Breath；
2, source eNB judges that UE1 needs to be switched to target eNB from current eNB.Source eNB is in the switching sent to target eNB One of following information or a combination thereof is added in request:
V2Xinterestindication is added in AS-Context and indicates information, and instruction UE1 receives V2X business Frequency point, the mode for receiving V2X service preferentially use MBMS mode；
The instruction of addition V2X business, branch in the corresponding E-RABs To Be Setup Item of E-RAB of carrying V2X business It holds the E-RAB and corresponds to V2X road safety business and the service priority as height；
Addition V2X business instruction in the corresponding information of DRB of V2X business is carried in RRC Context, supports the DRB Corresponding V2X road safety business and the service priority are height；
3, target eNB receive source eNB transmission switching request after, judge allow UE1 switch over, for UE1 execute with Lower configuration and processing:
UE1 is configured on corresponding frequency point.No matter it should be noted that UE1 at the eNB of source by a frequency point or Multiple frequency point sending and receiving data, target eNB according to circumstances can configure multiple frequency points for UE1, as target eNB is in high traffic density Region or from low vehicle to the transitional region of high traffic density, target eNB can configure multiple frequency points for UE1 and carry out data receipts Hair transmits congestion to avoid V2X data；
Special configuration is carried out to the DRB parameter of carrying V2X business, shorter state report is such as set and forbids timer；
It is 100ms by the SPS period assignment of UE1；
MBMS information related to V2X, MBSFN area information；
Above-mentioned configuration information is carried as the content of switching command and is sent to source eNB in switching request ack message；
It will be associated for the corresponding E-RAB of the DRB and UE1V2X of UE1V2X service creation；
The V2X specially treated entity correlation of the corresponding DRB of UE1V2X business is associated with, what which was responsible for reporting UE1 Other cells being transmitted to after the relevant data packet progress integrity protection of V2X road safety in the same region MBSFN；
Source eNB is received and switching command wherein included is sent to UE1 after switching request ack message.
Embodiment C2:UE does not receive V2X service in source cell
1, vehicle UE not yet receives V2X road safety service at the eNB of source, but UE is interested in the service of V2X road safety；
2, source eNB judges that UE needs to be switched to target eNB from current eNB.Source eNB is in the switching sent to target eNB Following information is added in request:
V2Xinterestindication is added in AS-Context and indicates information, and instruction UE can receive V2X business Frequency point list, receive V2X service mode preferentially use MBMS mode；
3, after target eNB receives the switching request that source eNB is sent, judge that UE1 is allowed to switch over, and can be UE1 The service of V2X road safety is provided, executes following configuration and processing for UE1:
UE1 is configured on corresponding frequency point；
V2X service instruction can be provided for it to UE1 transmission；
MBMS information related to V2X, MBSFN area information；
Above-mentioned configuration information is carried as the content of switching command and is sent to source eNB in switching request ack message.
4, source eNB is received and switching command wherein included is sent to UE after switching request ack message.
As seen from the above-described embodiment, when source network side gusset judgement receiving V2X service and/or to V2X business sense it is emerging When the UE of interest needs to switch over, refer to sending the V2X business for carrying the UE in switching request message to target network side gusset Show information；
If UE switching is ratified by target network side gusset, target network side gusset executes corresponding operation, and will be related Configuration information notifies source network side gusset.
With this solution, target network side gusset when switching can be enable to carry out special place to the UE of support V2X business Reason ensures continuity of the V2X business in UE handoff procedure.
Four, the implementation that information integrity is protected in transmission process.
In Fig. 4,5 method for sending information one, two implementation processes, requirement also proposed to the safety of information, below The performance of information security is illustrated.
The asymmetric cryptosystem being related in implementation is illustrated first.
Asymmetric-key encryption system, also known as public-key cryptosystem, double-key cipher system.It, which refers to, encrypts information Be different with used key when decryption, i.e., there are two key, one be can be disclosed, the other is privately owned, this Two keys partner key pair, respectively public-key cryptography and private cipher key.If using one of data key into Row encryption, then could only be decrypted with another key.Used key is different when due to encryption and decryption, this encryption System is known as asymmetric-key encryption system.In public key algorithm, encrypted with disclosed key, with private cipher key into The process of row decryption, referred to as ciphering process.And encrypted with private cipher key, it is known as recognizing with the process that public-key cryptography is decrypted (also known as integrity protection) process of card.The confidentiality of asymmetric cryptographic algorithm is relatively good, does not need to carry out between encryption and decryption user close Key exchange.
The essence of integrity protection is that transmitting-receiving both ends as input parameter, will calculate check code, pass through transmitting-receiving two in plain text The consistency of calculated check code is held to prove the consistency of both ends input parameter, i.e., is consistent in plain text.Figure 24 is complete Property protection process schematic, as shown, in complete protection procedure, originator utilizes tegrity protection key and other parameters With the input for needing message for carrying out integrity protection itself to be used as protection algorithm integrallty, an integrity protection check is generated Message itself and MAC-I are sent jointly to receiving end by code MAC-I, originator；Receiving end is using tegrity protection key and accordingly Parameter and message itself be used as the input of protection algorithm integrallty, generate an integrity protection check code XMAC-I, and connect The MAC-I received is compared, if unanimously, then it is assumed that the message of the message and transmission that are subject to is consistent, i.e., not by Tripartite distorts.It should be noted that when using symmetric key mechanisms, start key and receiving end key be it is identical, work as use When asymmetric key mechanisms, originator key and receiving end key are different, and originator uses private key, and receiving end uses public key.
In order to realize Fig. 4, the communication based on eMBMS of enhancing described in 5, also proposed in the embodiment of the present invention corresponding Data safe handling scheme, for solving network side node after being collected into information, using eMBMS mode to present networks side Information security problem when terminal device under coverage is sent, the program specifically can be used for the nets such as base station, repeater On network side gusset.
When distributing information to each second base station, and sending information to specified terminal device, further comprise:
The information is subjected to integrity protection with private key, the private key is private key corresponding with the region MBSFN.
When by taking V2X business, UE as an example, road of the network side node by collection after private key carries out integrity protection Safety-related data packet is sent to UE.
In specific implementation, the relevant number of road safety after private key carries out integrity protection of network side node collection Be divided into two classes according to packet: one kind is that the relevant data packet of road safety that network side node reports the UE in coverage area uses net The associated private key of network side gusset oneself carries out the data packet after integrity protection；Another kind of is network side node from other network sides The data packet that node obtains, other network side nodes can be the existing networks side gusset such as eNB, HeNB, Relay, or The subsequent network side node newly increased, these data packets use it via other network side nodes before reaching network side node The corresponding private key of his network side node has carried out integrity protection.Wherein, network side node, which sends data packet, can use MBSFN Mode can also be using P2M (Point To Multipoint, point-to-multipoint) broadcast or multicast mode.
The relevant data packet of the road safety that network side node reports the UE in coverage area uses network side node certainly Data packet after oneself associated private key progress integrity protection is sent to other relevant network side nodes around.This is because every Data source cell in a region MBSFN needs other cells into the region MBSFN to provide identical data, to guarantee one All cells in a region MBSFN can send identical data on identical running time-frequency resource, to make to receive UE acquisition Receive diversity gain.Network side node determines each cell as data source it needs to be determined that the associated cell of the network side node The relevant data packet of road safety that UE is reported under each cell is used each cell by other cells in the region MBSFN of cell After corresponding integrity protection private key carries out integrity protection, each cell is sent to as in the region MBSFN of data source cell The corresponding network side node of other cells.
In implementation, when information is to carry out the information of integrity protection with private key corresponding with the region MBSFN, by with The corresponding rule process information in the region MBSFN includes:
Determine public key corresponding with the region MBSFN；
It carries out carrying out integrity verification to the information after integrity protection using the public key.
Equally, when by taking V2X business, UE as an example, UE receives the relevant data packet of road safety of network side transmission Afterwards, according to the corresponding safety public key in the region MBSFN of the network side node transmission received to the data packet in each region MBSFN Carry out integrity verification.When the different regions MBSFN use different public keys when, due to a cell may belong to it is multiple The region MBSFN, UE may receive the corresponding data packet in multiple regions MBSFN, therefore, UE to the data packet received into Need first to determine the corresponding region MBSFN of data packet before row integrity verification, then using the public key in the region MBSFN to data Packet carries out integrity verification.
In implementation, public key can be the public key of base station transmission, and/or, the public key being stored in terminal device, and/or, The public key obtained by other means (as passed through RSU (Road Side Unit, roadside unit)).
Correspondingly, base station side may further include in implementing:
The public key that integrity verification is carried out to the information after integrity protection is sent to terminal device, the public key is and institute State the corresponding public key in the region MBSFN.
In implementation, public key be can be from MME's and/or MCE.
When by taking V2X business, UE as an example, road safety phase of the UE after receiving the integrity protection that network side node is sent The data packet of pass needs to obtain the public key that integrity verification is carried out to the relevant data packet of received road safety in advance.UE is obtained Know that the public key of integrity verification can use two ways:
Mode 1: the corresponding safety public key in oneself associated region MBSFN is sent to UE by network side node.
Here network side node can be the existing networks side gusset such as eNB, HeNB, Relay, be also possible to subsequent newly-increased The other types of network side node (such as RSU) added.The associated region MBSFN of network side node includes each under network side node The region MBSFN of cell association.Network side node can be associated with one or more regions MBSFN, such as Cell 1-Cell in Figure 10 7 are associated with 7 regions MBSFN.Here safety public key is for UE to the road safety information received from network side node Carry out integrity verification.
Safety public key can be generated by network side node itself, can also be generated by higher network side node, such as ENB, MME, MCE (Multi-cell/multicast Coordination Entity, multiple cell multicast coordination entity), HSS (Home Subscriber Server, home subscriber server), BM-SC (broadcast multicast service Center, broadcast multicast service center) etc..Network side node sends out the corresponding safety public key in oneself associated region MBSFN Broadcast, multicast, mode of unicast can be used by giving UE.When being sent using broadcast mode, (can such as set using system broadcasts Carried in fixed SIB), it can also be using MBMS broadcast (such as in MCCH (Multicast Control Channel, multicast control Channel) in carry or taken in MTCH (Multicast Traffic Channel, Logical Traffic Channels) as specific business Band)；When being sent using mode of unicast, can be carried in SecurityModeCommand (safe mode command) signaling, It can carry that (public key obtained in this way can examine the legitimacy of base station in other RRC signalings or NAS signaling It tests)；
When switching, corresponding public key can be sent to UE by switching command by target eNB, can also be after the completion of switching UE is sent to by NAS message by target eNB, can also be that UE is sent after being switched to target BS by receiving target eNB System information obtain.In view of after handover, the cell under target eNB may be associated with the new region MBSFN in implementation, because This, in specific implementation, can inform UE for the corresponding public key in the region MBSFN of target eNB cell association when switching.
In implementation, each region MBSFN can also be corresponded to the SIM (Subscribers that safety public key directly has UE Identity Module, Subscriber Identity Module) or USIM (Universal Subscribers Identity Module, it is logical With Subscriber Identity Module) card in.
The implementation process of eNB safety processing during information is sent to UE is illustrated with example below.
Embodiment D1:
Described in this embodiment to be, the road safety related data packets that eNB1 reports UE under each cell carry out integrality It is sent to UE after protection, and is sent to phase after the road safety related data packets that UE under each cell is reported are carried out integrity protection The adjacent eNB of pass.
If including two cell cell 1 and cell 2 under eNB1, using cell 1 and cell 2 as data source cell The region MBSFN is respectively the region MBSFN 2 and the region MBSFN 3, and the subframe that the region MBSFN 2 and the region MBSFN 3 occupy is respectively Subframe 7 and subframe 8 in each radio frames；The cell 3 of cell 1 and eNB2 under eNB2 comprising cell a cell3, eNB1 It is the adjacent cell in geographical location, the cell 3 of eNB2 belongs to the region MBSFN 2 with the cell 1 of eNB1 for data source cell Interior, the cell3 of eNB2 needs to be sent in the corresponding subframe in the region MBSFN 2 (subframe 7 in each radio frames) with eNB1's Identical data in the corresponding subframe in the region MBSFN 2 in cell 1, the data sent in the corresponding subframe in the region MBSFN 2 ENB2 is transmitted to by eNB1.Figure 25 is the information transmission implementation environment schematic diagram for carrying out safe handling, as shown, institute in Figure 25 Show there is UE1 and UE2 under eNB1, two UE under the covering of Cell 1, there is a UE3 under eNB2, UE3 under cell3 covering, eNB1 to The road safety data sent in the eNB2 forwarding region MBSFN 2 pass through X2 interface.Detailed process is as follows:
1, eNB1 collects the road safety data packet that UE1 and UE2 is reported；In specific implementation, road that UE1, UE2 are reported The collection of secure data packet can be periodic harvest (such as every 30ms), be also possible to collect at a set point in time, such as under eNB1 Each cell be data source cell the corresponding MBSFN sub-frame in the region MBSFN before setting time at, can also as required at any time The road safety data packet that UE is reported is collected；
2, the data packet being collected into is carried out integrity protection using private key by eNB1.Such as in this example, to UE1 and UE2 The data reported use the corresponding private key in the region MBSFN using cell1 as data source cell to carry out integrity protection；
3, eNB1 is by the data packet after integrity protection in each cell at eNB1, using each cell as data source cell It is sent in the corresponding MBSFN sub-frame in the region MBSFN by the data format of setting.Specifically, so eNB 1 is needed cell 1 The data packet that middle UE is reported through private key carry out complete preservation after the region MBSFN 2 occupy subframe on according to setting data Format is sent.Meanwhile the data packet after integrity protection is transmitted to each cell as the area MBSFN of data source cell by eNB1 The corresponding network side node of other cells in domain, such as in this example, the cell3 under eNB2 belongs to the cell1 under eNB1 For the region MBSFN 2 of data source cell, therefore, eNB1 needs to carry out cell 1 into the data after integrity protection using private key It is transmitted to eNB2.
4, UE1 and UE2 is in the subframe that the region MBSFN 2 occupies according to network side specified data format decoding data packet Afterwards, the data packet received is subjected to integrity verification using the corresponding public key of decoding 2 data of the region MBSFN.If integrality is tested Corresponding data packet is submitted to high level, if completely by then thinking that the data in data packet are effective road safety data by card Property verifying do not pass through, then it is assumed that the road safety data received be it is insecure, corresponding data packet is abandoned.
Embodiment D2:
Road safety dependency number described in this embodiment to be, that eNB2 forwards adjacent eNB 1 after integrity protection UE is sent to according to packet.
As shown in figure 25, if there are two UE, respectively UE1 and UE2 under eNB1, two UE all under the covering of Cell 1, There is a UE3 under eNB2, for UE3 in the case where the Cell 3 of eNB2 is covered, the cell 3 of the cell 1 and eNB2 of eNB1 are geographical locations Adjacent cell, it take the cell 1 of eNB1 as therefore eNB2 in the region MBSFN 2 of data source cell that the cell 3 of eNB2, which belongs to, Cell 3 need to send in the corresponding subframe in the region MBSFN 2 (subframe 7 in each radio frames) in the cell 1 of eNB1 Identical data in the corresponding subframe in the region MBSFN 2, the data sent in the corresponding subframe in the region MBSFN 2 are led to by eNB1 It crosses X2 interface and is transmitted to eNB2.Detailed process is as follows:
1, eNB2 collects the road safety that reports of UE under the cell 1 of the eNB1 of eNB1 forwarding on the X2 interface with eNB1 Data.The collection for the road safety data that eNB1 is forwarded on the eNB2 pairs of X2 interface with eNB1 can be periodic harvest (as often 30ms), it is also possible to collect at a set point in time (such as corresponding using cell each under eNB2 as the region MBSFN of data source cell At setting time before MBSFN sub-frame), it can also be and the road safety data packet on X2 interface is collected at any time；
2, then by after by the data of collection agreement time in the subframe that the region MBSFN 2 occupies according to setting Data format is sent.It is obtained in corresponding synchronization message when the time of agreement is from eNB1 to the road safety data that eNB2 is forwarded.
It 3, will after UE3 is in the subframe that the region MBSFN 2 occupies according to network side specified data format decoding data packet The data packet received carries out integrity verification using the corresponding public key of decoding 2 data of the region MBSFN.If integrity verification passes through Then think that the data in data packet are effective road safety data, corresponding data packet is submitted to high level, if integrity verification Do not pass through, then it is assumed that the road safety data received be it is insecure, corresponding data packet is abandoned.
Embodiment D3:
Described in this embodiment to be, the UE public key for carrying out integrity verification is sent to UE by NAS signaling by MME.eNB The private key used is sent to eNB by MME.Figure 26 is the key handling implementation environment schematic diagram in information security processing, as schemed institute Show, detailed process is as follows:
1, MME obtain eNB to the road safety data sent using MBMS mode carry out integrity protection private key and UE is to the public key for carrying out integrity verification by the received road safety data packet of MBMS.
The public key and private key for the integrity protection that MME is obtained can be generated by MME oneself, can also be by MME from other realities Body such as HSS, MBMS gateway etc. obtains；
2, MME by S1 interface signaling notify each cell reports the UE of collection under the eNB eNB road safety data into The private key of row integrity protection.Private key is for each cell of eNB to sending in using the cell as the region MBSFN of data source cell Data packet carry out integrity protection.
3, MME notifies UE to carry out the public key of integrity verification to the road safety data packet received by NAS signaling.
Since a cell can belong to multiple regions MBSFN simultaneously, when the data source cell in the different regions MBSFN is adopted When carrying out integrity protection with the data packet that different private keys send the region MBSFN, MME needs to notify UE to each area MBSFN Multiple public keys of numeric field data progress integrity verification；When the data source cell in the different regions MBSFN uses same private key to institute When the data packet of transmission carries out integrity protection, MME need to only notify UE to the road safety data of all region MBSFN transmissions Carry out the public public key of integrity verification.When MME sends the NAS signaling of the public key comprising integrity verification to UE, it can use The message container such as can incidentally be set in RRC connection reconfiguration and be disappeared in a message container by the mode of RRC information incidentally It is sent to UE in breath, UE can also be sent to using the special RRC information for carrying NAS signaling.
4, UE obtains the MBSFN number of regions to each transmission road safety message associated by current area from NAS signaling According to the public key for carrying out integrity verification, using the corresponding public key in each region MBSFN to the road in each region MBSFN received Secure data carries out integrity verification.
Embodiment D4:
Described in this embodiment to be, the UE public key for carrying out integrity verification is sent to by MCE by MCCH/BCCH signaling UE.The private key that eNB is used is sent to eNB by MCE.Detailed process is as follows:
1, MCE obtain eNB to the road safety data sent using MBMS mode carry out integrity protection public key and UE is to the private key for carrying out integrity verification by the received road safety data packet of MBMS.The public affairs for the integrity protection that MCE is obtained Key and private key can be generated by MCE oneself, can also be obtained by MCE from other entities such as MME etc.；
2, MCE notifies that each cell carries out integrity protection to road safety data under the eNB eNB by M2 interface signaling Private key.Private key has carried out the data packet sent in using the cell as the region MBSFN of data source cell for each cell of eNB Whole property protection.
3, MCE signals UE by MCCH/BCCH and carries out integrity verification to the road safety data packet received Public key.
Since a cell can belong to multiple regions MBSFN simultaneously, when the data source cell in the different regions MBSFN is adopted When carrying out integrity protection with the data packet that different private keys send the region MBSFN, MCE can be corresponding in each region MBSFN MCCH signaling in notice UE to corresponding MBSFN area data carry out integrity verification public key, can also be in BCCH signaling The public key that integrity verification is carried out to each MBSFN area data is carried in (such as SIB13 or new SIB)；When the different regions MBSFN Data source cell when carrying out integrity protection to transmitted data packet using same private key, MCE can be in each region MBSFN The identical public public key that road safety data are carried out with integrity verification is carried in corresponding MCCH signaling, also in BCCH signaling The public public key that road safety data are carried out with integrity verification is carried in (such as SIB13 or new SIB).
BCCH the or MCCH signaling comprising integrity verification public key of generation is sent to accordingly by MCE by M2 interface ENB, eNB will include integrity verification in the corresponding MCCH resource of the BCCH of each cell or the region MBSFN of each cell association BCCH the or MCCH signaling of public key is sent to UE.
4, UE obtains the MBSFN to each transmission road safety message associated by current area from BCCH or MCCH signaling Area data carries out the public key of integrity verification, is pacified using the corresponding public key in each region MBSFN to the road in each region MBSFN Totally according to progress integrity verification.
As seen from the above-described embodiment, network side node is provided in embodiment to use the road safety data of collection MBSFN mode is sent to UE and is sent to the scheme of adjacent networks side gusset；UE receives the road peace of network side node transmission The processing scheme of total evidence；Network side node receives the processing scheme of the road safety data of adjacent networks side gusset transmission； ENB and UE obtains the scheme of tegrity protection key.
Specifically, road safety relevant data of the network side node by collection after private key carries out integrity protection Packet is sent to UE；
The relevant data packet of the road safety that network side node network side node reports the UE in coverage area uses net Data packet after the associated private key progress integrity protection of network side gusset oneself is sent to other relevant network side nodes around；
After UE receives the relevant data packet of road safety of network side transmission, sent out according to the network side node received The corresponding safety public key in the region MBSFN sent carries out integrity verification to the data packet in each region MBSFN；
The UE public key for carrying out integrity verification is sent to UE by NAS signaling by MME；Or, MCE is believed by MCCH/BCCH The public key that UE is carried out integrity verification is enabled to be sent to UE.
As it can be seen that by this programme, it can be when the eMBMS framework using enhancing realizes low time delay V2X communication, to network side The data that node is sent carry out integrity verification.
Based on the same inventive concept, a kind of information receiver is additionally provided in the embodiment of the present invention, a kind of carrying is established Device, a kind of information reporting device, since the principle that these devices solve the problems, such as is built with a kind of message receiving method, a kind of carrying Cube method, a kind of information uploading method are similar, therefore the implementation of these devices may refer to the implementation of method, repeat place no longer It repeats.
Figure 27 is information receiver structural schematic diagram, as shown, may include:
Indicate information receiving module 2701, for receiving terminal apparatus send instruction information, the instruction information to The information reported is the information that will be sent in Time And Frequency resource corresponding with the region MBSFN by instruction terminal equipment；
Request module 2702 is carried, is held for requesting network side equipment that the information reported is established business for terminal device It carries；
Configuration information receiving module 2703, the configuration information of the service bearer for receiving network side equipment foundation, and root It is the information configuration radio bearer that terminal device will report according to the configuration information；
Notice reporting information module 2704, for notifying terminal device to report information on the radio bearer of configuration, and The information that receiving terminal apparatus reports on the radio bearer of configuration.
In implementation, instruction information receiving module can also be further used for receiving terminal apparatus by RRC information and/or The instruction information that NAS message carries.
In implementation, instruction information receiving module can also be further used in receiving terminal apparatus through RRC information and/or When the instruction information that NAS message carries:
Instruction information be carried by establishing in request message increase RRC connection in RRC connection and establishing reason, or, It is carried by increasing IE in RRC connection setup complete message；
And/or
Instruction information is carried by increasing IE in NAS message, or, by defining in the IE in NAS message Code-point carries.
In implementation, configuration information receiving module can also be further used for building by S1 interface signaling reception network side equipment The configuration information of vertical service bearer.
In implementation, notice reporting information module can also be further used for one of in the following manner or a combination thereof notice Terminal device reports information on the radio bearer of configuration: RRC signaling, NAS message, system broadcast message.
In implementation, notice reporting information module can also be further used for notifying terminal device by system broadcast message When, it is notified by increasing IE in the MIB in system broadcast message or defining code-point, alternatively, by system broadcast message In SIB in increase IE or define code-point and notify, alternatively, being notified by increasing SIB in system broadcast message.
In implementation, the information reported can be the V2X information for being used for V2X business by terminal device.
In implementation, instruction information receiving module can also be further used in the instruction information to instruction terminal equipment When by the information reported being the V2X information for being used for V2X business, what receiving terminal apparatus was sent include one of the following contents or its Combined instruction information:
Indicate the corresponding qos parameter information of V2X business；
Indicate whether current business is V2X related service information；
Indicate that current business is one of following business or a combination thereof: V2V business, V2I business, V2P business, V2C business It is one or more；
Service class indication is with one of Types Below or a combination thereof: road safety class business, is handed over traffic efficiency class business Logical content service；
Instruction business processing mode is one of following manner or a combination thereof: access network directly forwards, accesses net MBMS Directly forward；
Whether instruction terminal equipment is V2X type terminals information.
Figure 28 is that apparatus structure schematic diagram is established in carrying, as shown, may include: in device
Request receiving module 2801 is carried, the request of service bearer is established for receiving access network node, the business is held Load is used for transmission the information that terminal device will report, and the information is will be in Time And Frequency resource corresponding with the region MBSFN The information of upper transmission；
Module 2802 is established in carrying, and for establishing service bearer, the service bearer includes that terminal device is saved to access net Point reports radio bearer used in information；
Configuration information notification module 2803, the configuration information of the service bearer for notifying access network node to establish.
In implementation, carrying request receiving module can also be further used for building by S1 interface signaling reception access network node The request of vertical service bearer.
In implementation, configuration information notification module can also be further used for notifying access network node to build by S1 interface signaling The configuration information of vertical service bearer.
In implementation, configuration information notification module can also be further used for notifying that access network node includes one of following information Or a combination thereof configuration information: spot broadcasting instruction, local MBSFN forwarding instruction, V2X carrying indicate.
In implementation, carrying, which establishes module and can also be further used for establishing, to be used for transmission terminal device and is used for what is reported The service bearer of the V2X information of V2X business.
Figure 29 is information reporting apparatus structure schematic diagram, as shown, including: in device
Indicate information sending module 2901, for sending instruction information to access network node, the instruction information is to refer to Show that the information reported is the information that will be sent in Time And Frequency resource corresponding with the region MBSFN by terminal device；
Notice receiving module 2902 is reported, for receiving the notice of access network node, the notice, which carries, reports information The configuration information of used radio bearer；
Information module 2903 is reported, is used for after terminal device collects information, according to configuration information in the radio bearer On report information.
In implementation, instruction information sending module can also be further used for access network node send by RRC information and/ Or the instruction information that NAS message carries.
In implementation, instruction information sending module can also be further used for carrying by RRC information and/or NAS message When indicating information:
It is carried by establishing in request message to increase RRC connection and establish reason in RRC connection, or, by being connected in RRC It establishes and completes to increase IE in message to carry；
And/or
It is carried by increasing IE in NAS message, or, being carried by defining code-point in the IE in NAS message.
In implementation, report notice receiving module that can also be further used for one of in the following manner or a combination thereof to connect Receive the notice of access network node: RRC signaling, NAS message, system broadcast message.
In implementation, report notice receiving module that can also be further used for receiving access net section by system broadcast message When the notice of point, received by increasing IE in the MIB in system broadcast message or defining code-point, alternatively, by system Increase IE in SIB in broadcast message or define code-point to receive, alternatively, being connect by increasing SIB in system broadcast message It receives.
In implementation, report information module that can also be further used for reporting use on the radio bearer according to configuration information In the V2X information of V2X business.
For convenience of description, each section of apparatus described above is divided into various modules with function or unit describes respectively. Certainly, each module or the function of unit can be realized in same or multiple softwares or hardware in carrying out the present invention.
When implementing technical solution provided in an embodiment of the present invention, can implement as follows.
Figure 30 is access network node structural schematic diagram, as shown, including: in access network node
Processor 3000 executes following process for reading the program in memory 3020:
Service is provided for the data processing in the information process of transceiver transmitting-receiving；
Transceiver 3010 executes following process for sending data under the control of processor 3000:
The instruction information that receiving terminal apparatus is sent, the information that the instruction information will be reported to instruction terminal equipment are The information that will be sent in Time And Frequency resource corresponding with the region MBSFN；
The information reported is established service bearer for terminal device by request network side equipment；
The configuration information for the service bearer that network side equipment is established is received, and will for terminal device according to the configuration information The information configuration radio bearer reported；
Notice terminal device reports information on the radio bearer of configuration, and receives terminal on the radio bearer of configuration and set The standby information reported.
In implementation, instruction information is carried by RRC information and/or NAS message.
In implementation, when carrying instruction information by RRC signaling and/or NAS message:
It is to be carried by establishing in request message to increase RRC connection and establish reason in RRC connection, or, by RRC Increase IE in connection setup complete message to carry；
And/or
It is to be carried by increasing IE in NAS message, or, being taken by defining code-point in the IE in NAS message Band.
In implementation, it is described receive network side equipment establish service bearer configuration information, be by S1 interface signaling into Row is received.
In implementation, the notice terminal device reports information on the radio bearer of configuration, is one of in the following manner Or a combination thereof notified: RRC signaling, NAS message, system broadcast message.
In implementation, when notifying terminal device by system broadcast message, by increasing in the MIB in system broadcast message Add IE or defines code-point to notify, alternatively, notified by increasing IE in the SIB in system broadcast message or defining code-point, Alternatively, being notified by increasing SIB in system broadcast message.
In implementation, the information reported is to be used for the V2X information of V2X business by terminal device.
In implementation, the instruction information is to be used for the V2X information of V2X business to the information that instruction terminal equipment will report When, including one of the following contents or a combination thereof:
Indicate the corresponding qos parameter information of V2X business；
Indicate whether current business is V2X related service information；
Indicate that current business is one of following business or a combination thereof: V2V business, V2I business, V2P business, V2C business It is one or more；
Service class indication is with one of Types Below or a combination thereof: road safety class business, is handed over traffic efficiency class business Logical content service；
Instruction business processing mode is one of following manner or a combination thereof: access network directly forwards, accesses net MBMS Directly forward；
Whether instruction terminal equipment is V2X type terminals information.
Wherein, in Figure 30, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor The various circuits for the memory that 3000 one or more processors represented and memory 3020 represent link together.Total coil holder Structure can also link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, this It is all a bit it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 3010 can be multiple element, that is, include transmitter and transceiver, provide for logical with various other devices over a transmission medium The unit of letter.Processor 3000 is responsible for management bus architecture and common processing, memory 3020 can store processor 3000 The used data when executing operation.
Figure 31 is network side equipment structural schematic diagram, as shown, including: in equipment
Processor 3100 executes following process for reading the program in memory 3120:
Service is provided for the data processing in the information process of transceiver transmitting-receiving；
Transceiver 3110 executes following process for sending data under the control of processor 3100:
It receives access network node and establishes the request of service bearer, the service bearer is used for transmission terminal device and will report Information, the information are the information that will be sent in Time And Frequency resource corresponding with the region MBSFN；
Establish service bearer, the service bearer includes that terminal device is reported to access network node and wirelessly held used in information It carries；
The configuration information for the service bearer for notifying access network node to establish.
In implementation, the request for receiving access network node and establishing service bearer, is received by S1 interface signaling 's.
In implementation, it is described notice access network node establish service bearer configuration information, be by S1 interface signaling into Row notice.
Include in implementation, in the configuration information for the service bearer that the notice access network node is established one of following information or Person's a combination thereof: spot broadcasting instruction, local MBSFN forwarding instruction, V2X carrying instruction.
In implementation, it is the V2X letter for being used for V2X business that the service bearer, which is used for transmission terminal device for the information reported, Breath.
Wherein, in Figure 31, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor The various circuits for the memory that 3100 one or more processors represented and memory 3120 represent link together.Total coil holder Structure can also link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, this It is all a bit it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 3110 can be multiple element, that is, include transmitter and transceiver, provide for logical with various other devices over a transmission medium The unit of letter.Processor 3100 is responsible for management bus architecture and common processing, memory 3120 can store processor 3100 The used data when executing operation.
Figure 32 is terminal device structural schematic diagram, as shown, terminal device includes:
Processor 3200 executes following process for reading the program in memory 3220:
Service is provided for the data processing in the information process of transceiver transmitting-receiving；
Transceiver 3210 executes following process for sending data under the control of processor 3200:
To access network node send instruction information, the instruction information to the information that instruction terminal equipment will report be by The information sent in Time And Frequency resource corresponding with the region MBSFN；
Receive the notice of access network node, the notice carry report radio bearer used in information with confidence Breath；
After terminal device collects information, information is reported on the radio bearer according to configuration information.
In implementation, the instruction information sent to access network node is carried by RRC information and/or NAS message.
In implementation, when carrying instruction information by RRC information and/or NAS message:
It is to be carried by establishing in request message to increase RRC connection and establish reason in RRC connection, or, by RRC Increase IE in connection setup complete message to carry；
And/or
It is to be carried by increasing IE in NAS message, or, being taken by defining code-point in the IE in NAS message Band.
In implementation, the notice for receiving access network node is to be connect one of in the following manner or a combination thereof It receives: RRC signaling, NAS message, system broadcast message.
It is by system broadcast message when receiving the notice of access network node by system broadcast message in implementation In MIB in increase IE or to define code-point received, increase IE or fixed in the SIB in system broadcast message alternatively, passing through Adopted code-point is next received, alternatively, by increasing SIB in system broadcast message come received.
It is the V2X information for V2X business according to the information that configuration information reports on the radio bearer in implementation.
Wherein, in Figure 32, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor The various circuits for the memory that 3200 one or more processors represented and memory 3220 represent link together.Total coil holder Structure can also link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, this It is all a bit it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 3210 can be multiple element, that is, include transmitter and receiver, provide for logical with various other devices over a transmission medium The unit of letter.For different user equipmenies, user interface 3230, which can also be, the interface for needing equipment external is inscribed, even The equipment connect includes but is not limited to keypad, display, loudspeaker, microphone, control stick etc..
Processor 3200, which is responsible for management bus architecture and common processing, memory 3220, can store processor 3200 and exists Execute used data when operation.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more, The shape for the computer program product implemented in usable storage medium (including but not limited to magnetic disk storage and optical memory etc.) Formula.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to include these modifications and variations.

Claims (38)

1. a kind of message receiving method characterized by comprising
Receiving terminal apparatus send instruction information, the instruction information to the information that instruction terminal equipment will report be by The information sent in Time And Frequency resource corresponding with the region Multicast Broadcast Single Frequency Network MBSFN, wherein the terminal device The cell belonged to belongs to the cell that the terminal device of the information reported is belonged to the reception terminal device same The region MBSFN；
The information reported is established service bearer for terminal device by request network side equipment；
The configuration information for the service bearer that network side equipment is established is received, and is that terminal device will report according to the configuration information Information configuration radio bearer；
Notice terminal device reports information on the radio bearer of configuration, and on the radio bearer of configuration on receiving terminal apparatus The information of report.
2. the method as described in claim 1, which is characterized in that instruction information be by radio resource control RRC message and/or What non access stratum NAS message carried.
3. method according to claim 2, which is characterized in that carrying instruction information by RRC signaling and/or NAS message When:
It is to be carried by establishing in request message to increase RRC connection and establish reason in RRC connection, or, by being connected in RRC It establishes and completes to increase IE in message to carry；
And/or
It is to be carried by increasing IE in NAS message, or, by defining code-point in the information unit IE in NAS message Come what is carried.
4. the method as described in claim 1, which is characterized in that the configuration for receiving the service bearer that network side equipment is established Information is received by the progress of S1 interface signaling.
5. the method as described in claim 1, which is characterized in that the notice terminal device reports on the radio bearer of configuration Information is notified: RRC signaling, NAS message, system broadcast message one of in the following manner or a combination thereof.
6. method as claimed in claim 5, which is characterized in that when notifying terminal device by system broadcast message, pass through Increase IE in control block of information MIB in system broadcast message or defines code-point to notify, alternatively, by disappearing in system broadcasts Increase IE in system information block SIB in breath or defines code-point to notify, alternatively, by increasing SIB in system broadcast message To notify.
7. the method as described in claim 1 to 6 is any, which is characterized in that terminal device by the information reported be used for vehicle with The V2X information of extraneous information exchange V2X business.
8. the method for claim 7, which is characterized in that the letter that the instruction information will be reported to instruction terminal equipment When breath is the V2X information for V2X business, including one of the following contents or a combination thereof:
Indicate the corresponding service quality QoS parameter information of V2X business；
Indicate whether current business is V2X related service information；
Indicate that current business is one of following business or a combination thereof: V2V business, V2I business, V2P business, V2C business one Item is multinomial；
Service class indication is with one of Types Below or a combination thereof: road safety class business, traffic efficiency class business, traffic letter Cease class business；
Instruction business processing mode is one of following manner or a combination thereof: access network directly forwards, accesses net multi-media broadcast Broadcast multicast services MBMS directly forward；
Whether instruction terminal equipment is V2X type terminals information.
9. a kind of carrying establishing method characterized by comprising
The request that access network node establishes service bearer is received, the service bearer is used for transmission the letter that terminal device will report Breath, the information is the information that will be sent in Time And Frequency resource corresponding with the region MBSFN, wherein the terminal is set The standby cell belonged to belongs to the cell that the terminal device of the information reported is belonged to the reception terminal device same The region MBSFN；
Establish service bearer, the service bearer includes that terminal device to access network node reports radio bearer used in information；
The configuration information for the service bearer for notifying access network node to establish.
10. method as claimed in claim 9, which is characterized in that the request for receiving access network node and establishing service bearer, It is received by the progress of S1 interface signaling.
11. method as claimed in claim 9, which is characterized in that the service bearer that the notice access network node is established is matched Confidence breath, is notified by S1 interface signaling.
12. method as claimed in claim 9, which is characterized in that the service bearer that the notice access network node is established is matched Include one of following information or a combination thereof in confidence breath: spot broadcasting instruction, local MBSFN forwarding instruction, V2X carrying refer to Show.
13. the method as described in claim 9 to 12 is any, which is characterized in that the service bearer is used for transmission terminal device It is to be used for the V2X information of V2X business by the information reported.
14. a kind of information uploading method characterized by comprising
To access network node send instruction information, the instruction information to the information that instruction terminal equipment will report be by with The information sent in the corresponding Time And Frequency resource in the region MBSFN, wherein the cell and reception that the terminal device is belonged to The cell that the terminal device of the information reported is belonged to is belonged to the same region MBSFN by the terminal device；
The notice of access network node is received, the notice carries the configuration information for reporting radio bearer used in information；
After terminal device collects information, information is reported on the radio bearer according to configuration information.
15. method as claimed in claim 14, which is characterized in that the instruction information sent to access network node is to pass through RRC What message and/or NAS message carried.
16. method as claimed in claim 15, which is characterized in that carrying instruction letter by RRC information and/or NAS message When breath:
It is to be carried by establishing in request message to increase RRC connection and establish reason in RRC connection, or, by being connected in RRC It establishes and completes to increase IE in message to carry；
And/or
It is to be carried by increasing IE in NAS message, or, being carried by defining code-point in the IE in NAS message.
17. method as claimed in claim 14, which is characterized in that the notice for receiving access network node, is by following One of mode or a combination thereof is received to carry out: RRC signaling, NAS message, system broadcast message.
18. method as claimed in claim 17, which is characterized in that receiving the logical of access network node by system broadcast message It is by increasing IE in the MIB in system broadcast message or defining code-point come received, alternatively, by wide in system when knowing It is received to broadcast increase IE or definition code-point in the SIB in message, alternatively, connecing by increasing SIB in system broadcast message It receives.
19. the method as described in claim 14 to 18 is any, which is characterized in that according to configuration information on the radio bearer The information reported is the V2X information for V2X business.
20. a kind of information receiver characterized by comprising
Indicate information receiving module, for the instruction information that receiving terminal apparatus is sent, the instruction information is to instruction terminal The information reported is the information that will be sent in Time And Frequency resource corresponding with the region MBSFN by equipment, wherein the end The cell and the reception terminal device that end equipment is belonged to belong to the cell that the terminal device of the information reported is belonged to together One region MBSFN；
Request module is carried, for requesting network side equipment that the information reported is established service bearer for terminal device；
Configuration information receiving module, the configuration information of the service bearer for receiving network side equipment foundation, and matched according to described Confidence breath is the information configuration radio bearer that terminal device will report；
Notice reporting information module, for notifying terminal device to report information on the radio bearer of configuration, and in the nothing of configuration Line carries the information that upper receiving terminal apparatus reports.
21. device as claimed in claim 20, which is characterized in that instruction information receiving module is further used for reception terminal and sets The standby instruction information carried by RRC information and/or NAS message.
22. device as claimed in claim 21, which is characterized in that instruction information receiving module is further used for receiving terminal When the instruction information that equipment is carried by RRC information and/or NAS message:
Instruction information is carried by establishing in request message increase RRC connection in RRC connection and establishing reason, or, passing through Increase IE in RRC connection setup complete message to carry；
And/or
Instruction information is carried by increasing IE in NAS message, or, by defining code-point in the IE in NAS message Come what is carried.
23. device as claimed in claim 20, which is characterized in that configuration information receiving module is further used for through S1 interface Signaling receives the configuration information for the service bearer that network side equipment is established.
24. device as claimed in claim 20, which is characterized in that notice reporting information module is further used for by with lower section One of formula or a combination thereof notice terminal device reports information on the radio bearer of configuration: RRC signaling, NAS message, system are wide Broadcast message.
25. device as claimed in claim 24, which is characterized in that notice reporting information module is further used for passing through system When broadcast message notice terminal device, notified by increasing IE in the MIB in system broadcast message or defining code-point, or Person is notified by increasing IE in the SIB in system broadcast message or defining code-point, alternatively, by system broadcast message Middle increase SIB is notified.
26. the device as described in claim 20 to 25 is any, which is characterized in that the information reported is to be used for by terminal device The V2X information of V2X business.
27. device as claimed in claim 26, which is characterized in that instruction information receiving module is further used in the instruction When the information reported to instruction terminal equipment is the V2X information for being used for V2X business by information, packet that receiving terminal apparatus is sent Include the instruction information of one of the following contents or a combination thereof:
Indicate the corresponding qos parameter information of V2X business；
Indicate whether current business is V2X related service information；
Indicate that current business is one of following business or a combination thereof: V2V business, V2I business, V2P business, V2C business one Item is multinomial；
Service class indication is with one of Types Below or a combination thereof: road safety class business, traffic efficiency class business, traffic letter Cease class business；
Instruction business processing mode is one of following manner or a combination thereof: access network directly forward, accesses that net MBMS direct Forwarding；
Whether instruction terminal equipment is V2X type terminals information.
28. device is established in a kind of carrying characterized by comprising
Request receiving module is carried, the request of service bearer is established for receiving access network node, the service bearer is for passing The information that defeated terminal device will report, the information are will to send in Time And Frequency resource corresponding with the region MBSFN Information, wherein the cell and receive the terminal device for the terminal device institute of the information reported that the terminal device is belonged to The cell of ownership belongs to the same region MBSFN；
Module is established in carrying, and for establishing service bearer, the service bearer includes that terminal device is notified on access network node Breath radio bearer used；
Configuration information notification module, the configuration information of the service bearer for notifying access network node to establish.
29. device as claimed in claim 28, which is characterized in that carrying request receiving module is further used for through S1 interface Signaling receives the request that access network node establishes service bearer.
30. device as claimed in claim 28, which is characterized in that configuration information notification module is further used for through S1 interface Signal the configuration information of the service bearer of access network node foundation.
31. device as claimed in claim 28, which is characterized in that configuration information notification module is further used for notice access net Node includes the configuration information of one of following information or a combination thereof: spot broadcasting instruction, local MBSFN forwarding instruction, V2X are held Carry instruction.
32. the device as described in claim 28 to 31 is any, which is characterized in that carrying establishes module and is further used for establishing use In transmission terminal equipment by the service bearer of the V2X information for being used for V2X business reported.
33. a kind of information reporting device characterized by comprising
Indicate information sending module, for sending instruction information to access network node, the instruction information is set to instruction terminal Standby by the information reported is the information that will be sent in Time And Frequency resource corresponding with the region MBSFN, wherein the terminal The cell that equipment is belonged to belongs to the cell that the terminal device of the information reported is belonged to the reception terminal device same A region MBSFN；
Notice receiving module is reported, for receiving the notice of access network node, the notice, which carries, to be reported used in information The configuration information of radio bearer；
Report information module, for terminal device collect information after, according to configuration information on the radio bearer on notify Breath.
34. device as claimed in claim 33, which is characterized in that instruction information sending module is further used for access net section Point sends the instruction information carried by RRC information and/or NAS message.
35. device as claimed in claim 34, which is characterized in that instruction information sending module is further used for passing through RRC When message and/or NAS message carry instruction information:
It is carried by establishing in request message to increase RRC connection and establish reason in RRC connection, or, by RRC connection foundation It completes to increase IE in message to carry；
And/or
It is carried by increasing IE in NAS message, or, being carried by defining code-point in the IE in NAS message.
36. device as claimed in claim 33, which is characterized in that notice receiving module is reported to be further used for by with lower section One of formula or a combination thereof receives the notice of access network node: RRC signaling, NAS message, system broadcast message.
37. device as claimed in claim 36, which is characterized in that notice receiving module is reported to be further used for passing through system When the notice of broadcast message reception access network node, by the MIB in system broadcast message increase IE or define code-point come It receives, alternatively, being received by increasing IE in the SIB in system broadcast message or defining code-point, alternatively, by wide in system It broadcasts and increases SIB in message to receive.
38. the device as described in claim 33 to 37 is any, which is characterized in that report information module to be further used for basis and match Confidence breath reports the V2X information for V2X business on the radio bearer.
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