WO2017076037A1 - 车联网v2x业务的发送方法及装置 - Google Patents

车联网v2x业务的发送方法及装置 Download PDF

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Publication number
WO2017076037A1
WO2017076037A1 PCT/CN2016/088633 CN2016088633W WO2017076037A1 WO 2017076037 A1 WO2017076037 A1 WO 2017076037A1 CN 2016088633 W CN2016088633 W CN 2016088633W WO 2017076037 A1 WO2017076037 A1 WO 2017076037A1
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Prior art keywords
service
mbms bearer
request message
identifier
mbms
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PCT/CN2016/088633
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English (en)
French (fr)
Inventor
许辉
马子江
卢忱
谢玉堂
王亚英
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中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to US15/772,957 priority Critical patent/US10917757B2/en
Priority to EP16861307.3A priority patent/EP3373612B1/en
Priority to DK16861307.3T priority patent/DK3373612T3/da
Publication of WO2017076037A1 publication Critical patent/WO2017076037A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers

Definitions

  • the present application relates to, but is not limited to, the field of communications, and in particular, to a method and an apparatus for transmitting a car network (V2X) service.
  • V2X car network
  • the technologies to improve vehicle safety are mainly divided into passive safety technology and active safety technology.
  • Passive safety technology is used to protect people inside and outside the vehicle after accidents.
  • Active safety technology is used to prevent and reduce accidents in vehicles and avoid injuries.
  • Active safety technology is the focus of modern vehicle safety technology development. And trends.
  • the communication-based collision warning system realizes real-time information interaction between the vehicle, the vehicle and the roadside infrastructure by using advanced wireless communication technology and a new generation of information processing technology, and informs each other of the current state (including the position and speed of the vehicle). Acceleration, driving route) and learned road environment information, collaboratively aware of road hazard conditions, timely providing a variety of collision warning information to prevent road traffic safety accidents, and become a new way for countries to solve road traffic safety problems. .
  • V2X Vehicle to Everything
  • V2X refers to providing vehicle information through sensors, vehicle terminals and electronic tags mounted on vehicles, and adopts various communication technologies to realize Vehicle to Vehicle (V2V) and vehicles. Communicate with people (Vehicle to Pedestrian, V2P for short), Vehicle to Infrastructure (V2I), and use information on the information network platform to extract and share information effectively, and effectively control the vehicle. And provide comprehensive services.
  • FIG. 1 is a schematic diagram of sending traffic and scheduling information to a vehicle through a network information platform in the related art.
  • the Road Side Unit can receive vehicle requests, ensure that the vehicle accesses the Internet (Internet), and has the function of a gateway. In addition, it also has the functions of data calculation, storage, and forwarding.
  • DSRC Dedicated Short Range Communication
  • LTE Long Term Evolution
  • 802.11P is responsible for physics
  • Layer and Media Access Control (MAC) technology 1609 is responsible for the upper layer specification.
  • the LTE-based V2X technology has just begun to be discussed and there are no standards.
  • the LTE V2X technology currently being discussed by the 3GPP includes: the RSU can be implemented by a UE (User Equipment) or a base station (eNB), and the V2V/V2I/V2P may pass.
  • the PC5 interface or the Uu interface is implemented, where the PC5 interface refers to the air interface of the device to the device (D2D), and the Uu interface refers to the air interface of the UE to the eNB.
  • 3GPP proposes a Multimedia Broadcast Multicast Service (MBMS), which is a technology for transmitting data from one data source to multiple target mobile terminals, and realizes the network.
  • MBMS Multimedia Broadcast Multicast Service
  • the sharing of resources improves the utilization of network resources (especially air interface resources).
  • 3GPP proposed a single-cell MBMS research topic in the Long-Term Evolution (LTE-A, LTE-Advanced) of the 13th edition (R13), in which a single-cell MBMS service is in a physical downlink shared channel (PDSCH, Physical Downlink Shared Channel). ) Transfer on.
  • LTE-A Long-Term Evolution
  • LTE-Advanced LTE-Advanced
  • R13 13th edition
  • PDSCH Physical Downlink Shared Channel
  • V2X vehicle networking
  • AS Application Server
  • the embodiment of the invention provides a method and a device for transmitting a network of a vehicle (V2X) service, so as to solve at least the problem that the V2X AS is difficult to forward different types of V2X services in the related art.
  • V2X vehicle
  • a method for transmitting a V2X service including: a car network application server (V2X AS) classifying and identifying a V2X service, wherein different types of V2X services have different identifiers;
  • the V2X AS sends a request message to the Broadcast Multicast Service Center (BM-SC), where the request message is used to instruct the BM-SC to establish a multimedia broadcast multicast corresponding to the V2X service identifier.
  • the BM-SC establishes the MBMS bearer for the V2X service in the following manner: the BM-SC establishes a corresponding MBMS bearer by using the pre-acquired V2X service type.
  • the MBMS bearer includes one of the following: a Single Cell Point-to-Multipoint (SC-PTM), and a Multimedia Broadcast Single Frequency Network (MBSFN).
  • SC-PTM Single Cell Point-to-Multipoint
  • MMSFN Multimedia Broadcast Single Frequency Network
  • the V2X AS classifies the V2X service by using: the V2X AS classifies the V2X service type or prioritizes the V2X service; and the V2X AS pairs the classified V2X.
  • the service is identified, where the identifier is a Temporary Mobile Group Identity (TMGI), and the TMGI is allocated by the BM-SC.
  • TMGI Temporary Mobile Group Identity
  • the request message carries at least one of the following: a quality of service (QoS) of the V2X service, a broadcast area for indicating a target area of the V2X service, and a start time for indicating the sending of the V2X service.
  • QoS quality of service
  • the sending, by the V2X AS, the V2X service by using the MBMS bearer established by the BM-SC includes: sending, by the V2X AS, the notification information of the V2X service to an onboard unit (OBU), where
  • the notification information includes at least one of the following: a service identifier of the V2X service, a start time of the V2X service transmission, a target area where the V2X service is sent, and a transmission carrier frequency of the V2X service;
  • the MBMS bearer sends the V2X service to a target area of the V2X service determined by the V2X AS.
  • a method for transmitting a V2X service including: a Broadcast Multicast Service Center (BM-SC) receiving an activated multimedia broadcast multicast service sent by a Car Network Application Server (V2X AS) ( MBMS) a request message carried by the request, wherein the request is cancelled
  • BM-SC Broadcast Multicast Service Center
  • V2X AS Car Network Application Server
  • MBMS Car Network Application Server
  • the information carries the identifier of the V2X service that is classified by the V2X AS, and the BM-SC establishes an MBMS bearer corresponding to the identifier of the V2X service in response to the request message.
  • the method further includes: the BM-SC receiving a target area of the V2X service determined by the V2X AS; and the BM-SC distinguishing an MBMS bearer according to a target area different from the V2X service .
  • the BM-SC establishes an MBMS bearer corresponding to the identifier of the V2X service in the following manner: the BM-SC pre-establishes an MBMS bearer corresponding to the V2X service type.
  • a V2X service sending apparatus which is applied to a vehicle networking application server (V2X AS) side, and includes: a processing module, configured to classify and identify a V2X service, wherein different types The V2X service has different identifiers; the obtaining module is configured to send a request message to the broadcast multicast service center (BM-SC), where the request message is used to indicate that the BM-SC establishes a corresponding to the V2X service identifier.
  • BM-SC broadcast multicast service center
  • MBMS multimedia broadcast multicast service
  • sending module configured to send the V2X service by using the MBMS bearer established by the BM-SC.
  • the BM-SC establishes the MBMS bearer for the V2X service in the following manner: the BM-SC establishes a corresponding MBMS bearer by using the pre-acquired V2X service type.
  • the MBMS bearer includes one of the following: Single Cell Point-to-Multipoint (SC-PTM), Multimedia Broadcast Single Frequency Network (MBSFN).
  • SC-PTM Single Cell Point-to-Multipoint
  • MMSFN Multimedia Broadcast Single Frequency Network
  • the processing module includes: a processing unit, configured to perform type classification on the V2X service or perform priority classification on the V2X service; and the identifier unit is configured to identify the classified V2X service,
  • the identifier is a Temporary Mobile Group Identity (TMGI), and the TMGI is allocated by the BM-SC.
  • TMGI Temporary Mobile Group Identity
  • the request message carries at least one of the following: a quality of service (QoS) of the V2X service, a broadcast area for indicating a target area of the V2X service, and a start time for indicating the V2X service transmission.
  • QoS quality of service
  • the sending module includes: a second sending unit, configured to send the notification information of the V2X service to an On Board Unit (OBU), where the notification information includes at least one of the following: The service identifier of the V2X service, the start time of the V2X service transmission, a target area to be sent by the V2X service, a transmission carrier frequency of the V2X service, and a third sending unit, configured to send the V2X service to the target of the V2X service determined by the V2X AS according to the MBMS bearer region.
  • OBU On Board Unit
  • a V2X service sending apparatus which is applied to a Broadcast Multicast Service Center (BM-SC) side, and includes: a receiving module configured to receive a car network application server (V2X AS) And a request message that is sent by the activated multimedia broadcast multicast service (MBMS), where the request message carries an identifier that is classified by the V2X AS to the V2X service; and the establishing module is configured to respond to the request message, Establish an MBMS bearer corresponding to the identifier of the V2X service.
  • V2X AS car network application server
  • MBMS multimedia broadcast multicast service
  • the device further includes: a receiving module, configured to receive a target area of the V2X service determined by the V2X AS; and a distinguishing module, configured to further distinguish the MBMS bearer according to the target area different from the V2X service .
  • the establishing module is configured to establish an MBMS bearer corresponding to the identifier of the V2X service by: establishing an MBMS bearer corresponding to the V2X service type in advance.
  • a V2X service transmission system including: any one of a transmission device applied to a V2X service on a side of a vehicle networking application server (V2X AS) and applied to a broadcast Any one of the transmitting devices of the V2X service on the side of the service center (BM-SC).
  • V2X AS vehicle networking application server
  • BM-SC service center
  • the embodiment of the present invention further provides a computer readable storage medium storing computer executable instructions, and when the computer executable instructions are executed, implementing the sending method of the V2X service applied to the V2X AS side.
  • the embodiment of the present invention further provides a computer readable storage medium storing computer executable instructions, and when the computer executable instructions are executed, implementing the sending method of the V2X service applied to the BM-SC side.
  • the V2X AS classifies and identifies the V2X service, where different types of V2X services have different identifiers, and the V2X AS sends a request message to the BM-SC, where the request message is used to indicate that the BM-SC is established.
  • FIG. 1 is a schematic diagram of sending traffic and scheduling information to a vehicle through a network information platform in the related art
  • FIG. 2 is a flowchart of a method for transmitting a V2X service applied to a V2X AS side according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a method for transmitting a V2X service applied to a BM-SC side according to an embodiment of the present invention
  • FIG. 4 is a structural block diagram of a transmitting apparatus of a V2X service on a V2X AS side according to an embodiment of the present invention
  • FIG. 5 is a structural block diagram of a transmitting apparatus of a V2X service on a BM-SC side according to an embodiment of the present invention
  • FIG. 6 is a structural block diagram of a transmission system of a V2X service according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a V2X AS delivering a V2X service through a PTM to a receiving OBU according to an alternative embodiment of the present application;
  • FIG. 8 is a flowchart of a method for an AS requesting a BM-SC to allocate a TMGI according to an alternative embodiment of the present application
  • FIG. 9 is a flowchart of a BM-SC automatic allocation TMGI method according to an alternative embodiment of the present application.
  • FIG. 10 is a flowchart of a method for transmitting a V2X service by using an MBSFN manner according to an optional embodiment of the present application
  • FIG. 12 is a block diagram 1 of an apparatus for transmitting a V2X service according to an alternative embodiment of the present application
  • FIG. 13 is a second structural block diagram of an apparatus for transmitting a V2X service according to an alternative embodiment of the present application.
  • FIG. 2 is a method for transmitting a vehicle networking (V2X) service applied to a side of a vehicle networking application server (V2X AS) according to an embodiment of the present invention.
  • the flow chart, as shown in FIG. 2, includes the following steps:
  • Step S202 The vehicle networking application server (V2X AS) classifies and identifies the vehicle network (V2X) service, wherein different types of V2X services have different identifiers;
  • Step S204 The V2X AS sends a request message to the Broadcast Multicast Service Center (BM-SC), where the request message is used to instruct the BM-SC to establish a Multimedia Broadcast Multicast Service (MBMS) bearer corresponding to the V2X service identifier.
  • BM-SC Broadcast Multicast Service Center
  • MBMS Multimedia Broadcast Multicast Service
  • Step S206 The V2X AS sends the V2X service through the MBMS bearer established by the BM-SC.
  • the vehicle networking application server (V2X AS) classifies and identifies the vehicle network (V2X) service, wherein different types of V2X services have different identifiers, and then the V2X AS broadcasts to the broadcast.
  • the service center sends a request message, where the request message is used to instruct the BM-SC to establish a multimedia broadcast multicast service (MBMS) bearer corresponding to the V2X service identifier, and send the V2X service through the MBMS bearer, that is,
  • MBMS multimedia broadcast multicast service
  • the V2X AS classifies the V2X service, and establishes a corresponding MBMS bearer for the classified V2X service, so that the classified V2X service can be forwarded by the MBMS bearer, thereby solving the related art.
  • the problem that V2X AS is difficult to forward different types of V2X services fills the gaps in related technologies.
  • the request message carries at least one of the following: a quality of service (QoS) of the V2X service, a broadcast area for indicating a target area of the V2X service, and a start time for indicating the V2X service transmission.
  • QoS quality of service
  • the V2X AS sends an Activate MBMS Bearer Request message to the BM-SC, and the request message includes at least one of the following: TMGI, QoS, broadcast area, and start time.
  • the TMGI is used to indicate the V2X service.
  • the BM-SC indicates the TMGI in the response message; the QoS is used to indicate the QoS requirement of the V2X service, and the broadcast area is used to indicate the target area of the V2X service.
  • the cell identification indication may be used; the start time is used to indicate the transmission start time of the V2X service.
  • the BM-SC establishes an MBMS bearer for the V2X service in the following manner: the BM-SC establishes a corresponding MBMS bearer by using the pre-acquired V2X service type.
  • the MBMS bearer includes one of the following: Single Cell Point-to-Multipoint (SC-PTM), Multimedia Broadcast Single Frequency Network (MBSFN).
  • the method for performing the classification and identification of the V2X service to the V2X service in the step S202 in this embodiment may be implemented in the following manner in the optional implementation manner of the embodiment:
  • Step S202-1 The V2X AS classifies the V2X service type or prioritizes the V2X service.
  • Step S202-2 The V2X AS identifies the classified V2X service, where the identifier is a Temporary Mobile Group Identity (TMGI), and the TMGI is allocated by the BM-SC.
  • TMGI Temporary Mobile Group Identity
  • the V2X AS classifies the V2X service, such as the periodic type V2X, the event triggering class V2X, or classifies according to the V2X service priority, such as according to the priority identifier, that is, the QoS level.
  • the QoS Class Identifier QCI
  • the V2X service classifies the V2X services.
  • the V2X services may be V2X services received by the V2X AS from a number of OBUs, or may be V2X service types known to the V2X AS.
  • the method can be implemented as follows:
  • Step S206-1 The V2X AS sends the notification information of the V2X service to the onboard unit (OBU), where the advertisement information includes at least one of the following: the service identifier TMGI and the V2X service of the V2X service.
  • Step S206-2 The V2X AS sends the V2X service to the target area of the V2X service determined by the V2X AS according to the MBMS bearer.
  • step S206-1 and step S206-2 the V2X AS first sends a V2X service advertisement, which is used to notify related information of the V2X service, such as the TMGI, V2X service start time, service area, and transmission carrier frequency corresponding to the service. .
  • the V2X AS can send the V2X service advertisement through the application layer or the short message, and the OBU receives the V2X service advertisement.
  • FIG. 3 is a flowchart of a method for transmitting a V2X service applied to a Broadcast Multicast Service Center (BM-SC) side according to an embodiment of the present invention. As shown in FIG. 3, the steps of the method include:
  • Step S302 The broadcast multicast service center (BM-SC) receives the request message of the activated MBMS bearer sent by the V2X AS, where the request message carries the identifier that the V2X AS classifies the V2X service.
  • BM-SC broadcast multicast service center
  • Step S304 The BM-SC establishes an MBMS bearer corresponding to the identifier of the V2X service in response to the request message.
  • the BM-SC establishes an MBMS bearer according to the received request message, and starts an MBMS session start procedure.
  • the BM-SC needs to establish a separate MBMS bearer for each TMGI. That is to say, each V2X service type needs to establish a separate MBMS bearer, that is, each TMGI corresponds to one V2X service type corresponding to one MBMS bearer.
  • the OBU may not send the data content of the V2X service type to the network side (for example, the AS has not received any data of the V2X service type sent by the OBU).
  • Packets this method is also called: pre-establishing a separate MBMS bearer corresponding to a certain V2X service type.
  • the pre-established bearer includes the control plane bearer and the user plane bearer of the BM-SC to the RSU, that is, in addition to the air interface Other bearers other than the user plane bearer are pre-established.
  • the method in this embodiment further includes: the BM-SC receives the target area of the V2X service determined by the V2X AS, and the BM-SC carries the MBMS bearer according to different target areas of the V2X service.
  • the BM-SC establishes different MBMS bearers for the same V2X service, that is, the same TMGI, and different bearers are distinguished by the flow ID.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, or can also be through hardware, but in many cases the former is A better implementation.
  • the technical solution of the present application which is essential or contributes to the related art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, CD-ROM).
  • the instructions include a number of instructions for causing a terminal device (which may be a cell phone, computer, server, or network device, etc.) to perform the methods of various embodiments of the present application.
  • a device for transmitting a vehicle network (V2X) service is also provided, which is used to implement the above-mentioned embodiments and optional embodiments, and has not been described again.
  • V2X vehicle network
  • the term “module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • the device includes: a processing module 42 configured to classify and identify a V2X service, where different types are used.
  • the V2X service has different identifiers;
  • the obtaining module 44 is coupled to the processing module 42 and configured to send a request message to the broadcast multicast service center (BM-SC), where the request message is used to indicate the BM-SC establishment and the V2X service identifier.
  • BM-SC broadcast multicast service center
  • MBMS multimedia broadcast multicast service
  • the sending module 46 is coupled to the obtaining module 44, and configured to send the V2X service by using the MBMS bearer established by the BM-SC.
  • the BM-SC establishes an MBMS bearer for the V2X service in the following manner: the BM-SC establishes a corresponding MBMS bearer by using the pre-acquired V2X service type.
  • the MBMS bearer includes one of the following: Single Cell Point-to-Multipoint (SC-PTM), Multimedia Broadcast Single Frequency Network (MBSFN).
  • the processing module 42 includes: a processing unit, configured to perform type classification on the V2X service or perform priority classification on the V2X service; and the identifier unit is coupled to the processing unit and configured to identify the classified V2X service.
  • the identifier is a Temporary Mobile Group Identifier (TMGI) and the TMGI is assigned by the BM-SC.
  • the request message carries at least one of the following: a quality of service (QoS) of the V2X service, a broadcast area for indicating a target area of the V2X service, and a start time for indicating the V2X service transmission.
  • QoS quality of service
  • the sending module 46 includes: a second sending unit, configured to send, to the onboard unit (OBU), the notification information of the V2X service, where the notification information includes at least one of the following: the service identifier of the V2X service, the TMGI, and the V2X service. a start time, a target area in which the V2X service is transmitted, and a transmission carrier frequency of the V2X service.
  • the third sending unit is coupled to the second sending unit and configured to send the V2X service to the target area of the V2X service determined by the V2X AS according to the MBMS bearer. .
  • the apparatus includes: a receiving module 52 configured to receive an activated MBMS sent by a vehicle networking application server V2X AS. a bearer request message, wherein the request message carries an identifier that is classified by the V2X AS to the car network V2X service; the establishing module 54 is coupled to the receiving module 52, and is configured to respond to the request message and establish an identifier corresponding to the V2X service identifier.
  • MBMS bearer configured to receive an activated MBMS sent by a vehicle networking application server V2X AS.
  • a bearer request message wherein the request message carries an identifier that is classified by the V2X AS to the car network V2X service
  • the establishing module 54 is coupled to the receiving module 52, and is configured to respond to the request message and establish an identifier corresponding to the V2X service identifier.
  • MBMS bearer
  • the apparatus further includes: a receiving module, configured to receive a target area of the V2X service determined by the V2X AS; and a distinguishing module, configured to further distinguish the MBMS bearer according to the target area different from the V2X service.
  • a receiving module configured to receive a target area of the V2X service determined by the V2X AS
  • a distinguishing module configured to further distinguish the MBMS bearer according to the target area different from the V2X service.
  • FIG. 6 is a structural block diagram of a transmission system of a V2X service according to an embodiment of the present invention. As shown in FIG. 6, the system includes the apparatus of any of the embodiments of FIG. 4 and any of the embodiments of FIG. Device.
  • the present invention provides a method for transmitting a V2X service, which includes: the V2X AS divides the received V2X service according to the type, and configures a corresponding temporary mobile group identifier for the V2X service of different types by using the BM-SC ( Temporary Mobile Group Identity (TMGI); the V2X AS determines the transmission area of the V2X service and notifies the RSU and/or the eNB. The RSU and/or the eNB use the PTM (Point-to-Multipoint) to transmit the V2X in the area.
  • the service unit (OBU) obtains the mapping relationship between the TMGI and the V2X service through the service announcement and receives the required V2X service according to the TMGI.
  • FIG. 7 is a schematic diagram of a V2X AS transmitting a V2X service through a PTM to a receiving OBU according to an optional embodiment of the present application. To illustrate, based on this, the steps of the method include:
  • Step S702 OBU to V2X AS (referred to as AS, V2X application service in this alternative embodiment) Server) sends V2X services.
  • AS V2X application service in this alternative embodiment
  • Server sends V2X services.
  • the OBU establishes a unicast bearer and sends a V2X service to the AS through a unicast bearer.
  • the OBU is one or more.
  • the V2X service in the optional embodiment includes at least one of the following: V2V, V2I, V2P, V2N (Vehicle-
  • the OBU includes at least one of the following: an LTE UE, a DSRC OBU.
  • Step S704 The V2X AS performs processing according to the type of the V2X service.
  • the AS classifies the V2X services, such as the periodic V2X, the event-triggered V2X, or the V2X service priority.
  • the QoS Class Identifier QCI is classified according to the priority identifier. .
  • the AS classifies the V2X services.
  • the V2X services may be V2X services received by the AS from several OBUs. They may also be V2X service types known to the AS. These V2X services may not be sent from the OBU to the AS.
  • the ASs are based on their own storage. The information is classified into V2X services).
  • the V2X AS may request the TMGI from the BM-SC according to the received V2X service classification, and the different types of V2X services correspond to different TMGIs, or the V2X service is allocated when the BM-SC receives the activated MBMS bearer request of the AS in the following step S706.
  • TMGI BM-SC sends the allocated TMGI and TMGI valid time to the AS.
  • the TMGI valid time means that the TMGI and the corresponding MBMS bearer are valid during this time. When the valid time is exceeded, the TMGI is invalid and the corresponding MBMS bearer is also released.
  • Step S706 The V2X AS activates the MBMS bearer through the BM-SC.
  • the AS sends an activated MBMS bearer request message to the BM-SC, where the request message includes at least one of the following: TMGI, QoS, broadcast area, and start time.
  • the TMGI is used to indicate the V2X service. If there is no TMGI in the request message, the BM-SC indicates the TMGI in the response message; the QoS is used to indicate the QoS requirement of the V2X service, and the broadcast area is used to indicate the target area of the V2X service.
  • the cell identification indication may be used; the start time is used to indicate the transmission start time of the V2X service.
  • the BM-SC establishes an MBMS bearer according to the received request message, and starts an MBMS session start process.
  • BM-SC needs to establish a separate MBMS bearer for each TMGI, that is, each Each V2X service type needs to establish a separate MBMS bearer, that is, each TMGI corresponds to one V2X service type corresponding to one MBMS bearer.
  • the OBU may not send the data content of the V2X service type to the network side (for example, the AS has not received any data of the V2X service type sent by the OBU). Packets, this method is also called: pre-establishing a separate MBMS bearer corresponding to a certain V2X service type.
  • the pre-established bearer includes the control plane bearer and the user plane bearer of the BM-SC to the RSU, that is, in addition to the air interface Other bearers other than the user plane bearer are pre-established.
  • the BM-SC establishes different MBMS bearers for the same V2X service, that is, the same TMGI, and different bearers are distinguished by the flow ID.
  • the BM-SC sends a request response message to the AS, which includes at least one of the following: TMGI, flow ID, valid time, service description, BM-SC IP address, and port.
  • the flow ID is used to indicate the V2X service corresponding to the same TMGI in different service areas
  • the service description is used to indicate the attributes of the V2X service (such as the service area, the carrier frequency)
  • the BM-SC IP address and port are used to indicate the BM- The address of the SC user plane.
  • the MBMS bearer includes at least one of the following: single cell point-to-multipoint (SC-PTM), MBSFN.
  • Step S708 The AS sends the V2X service on the MBMS bearer through the BM-SC.
  • the AS first sends a V2X service advertisement, which is used to notify the related information of the V2X service, such as the mapping relationship between the service and the TMGI, the start time of the V2X service, the service area, and the transmission carrier frequency.
  • the AS can send the V2X service advertisement through the application layer or the short message, and the OBU receives the V2X service advertisement.
  • the AS sends the V2X service to the RSU and/or the eNB in the service area on the established MBMS bearer through the BM-SC.
  • Step S710 The RSU and/or the eNB send the V2X service in the target area.
  • the RSU and/or the eNB determine the target area according to the area information in the MBMS session start, and the RSU and/or the eNB schedule to send the V2X service in the target area, and the transmission is an MBMS broadcast, and the MBMS broadcast includes at least one of the following: MBSFN, SC-PTM .
  • the RSU of this alternative embodiment includes at least one of the following: an eNB type RSU, a stationary UE type RSU, and a DSRC type RSU.
  • Step S712 The target OBU detects the V2X service required for receiving; the target OBU receives the required V2X service according to the TMGI.
  • FIG. 8 is a flowchart of a method for an AS requesting a BM-SC to allocate a TMGI according to an alternative embodiment of the present application. As shown in FIG. 8, the steps of the method include:
  • Step S802 the OBU sends a V2X service to the V2X AS.
  • the OBU sends the V2X service to the V2X AS through the unicast bearer.
  • step S804 the AS requests the BM-SC to allocate the TMGI.
  • the AS requests the TMGI from the BM-SC according to the received V2X service type, and the different V2X service types correspond to different TMGIs, or the AS finds that the originally obtained TMGI valid time is about to expire, and sends a request to the AS to extend the validity time of the TMGI. .
  • step S806 the BM-SC allocates the TMGI and notifies the AS.
  • the BM-SC allocates the TMGI and the corresponding valid time and notifies the AS.
  • Step S808 the AS sends an activated MBMS bearer request to the BM-SC.
  • step S810 the BM-SC establishes an MBMS bearer.
  • the BM-SC establishes an MBMS bearer through the MBMS session start process.
  • step S812 the BM-SC sends a response message to the AS.
  • the response message includes at least one of the following: a V2X service description, a BM-SC IP address/port.
  • Step S814 the AS sends a V2X service advertisement message.
  • the AS sends a V2X service advertisement through an application layer or an SMS (Short Message Service).
  • SMS Short Message Service
  • step S816 the AS sends the V2X service through the BM-SC.
  • the AS sends the V2X service through the MBMS bearer established by the BM-SC.
  • the RSU determines the target area according to the indication of the MCE (MBMS Coordination Entity) and broadcasts the V2X service in the target area.
  • MCE MMS Coordination Entity
  • Step S820 the OBU detects and receives the required V2X service. The process ends.
  • the OBU is an OBU in the target area, and is a radio resource control idle (RRC-Idle) or a radio resource control connection (RRC-connected) state.
  • RRC-Idle radio resource control idle
  • RRC-connected radio resource control connection
  • FIG. 9 is a flowchart of a BM-SC automatic allocation TMGI method according to an alternative embodiment of the present application. As shown in FIG. 9, the steps of the method include:
  • Step S902 the OBU sends a V2X service to the V2X AS.
  • Step S904 the V2X AS sends an Activate MBMS Bearer Request message to the BM-SC.
  • step S906 the BM-SC establishes an MBMS bearer.
  • step S908 the BM-SC sends a response message to the AS.
  • the response message includes at least one of the following: TMGI, flow ID, valid time, service description, BM-SC IP address, and port.
  • step S910 the AS sends a V2X service advertisement.
  • step S912 the AS sends the V2X service through the BM-SC.
  • step S914 the RSU broadcasts the V2X service in the target area.
  • step S916 the OBU detects that the required V2X service is received.
  • FIG. 10 is a flowchart of a method for transmitting a V2X service by using an MBSFN manner according to an optional embodiment of the present application. As shown in FIG. 10, the steps of the method include:
  • step S1002 the OBU sends a V2X service to the V2X AS.
  • Step S1004 The V2X AS sends an Activate MBMS Bearer Request message to the BM-SC.
  • step S1006 the BM-SC establishes an MBMS bearer.
  • step S1008 the BM-SC sends a response message to the AS.
  • step S1010 the AS sends a V2X service advertisement.
  • step S1012 the AS sends the V2X service through the BM-SC.
  • step S1014 the MCE determines to send the V2X service by using the MBSFN mode.
  • the MCE determines, according to at least one of the following conditions, the indication information of the service area, the operator policy, the AS, or the BM-SC in the MBSFN mode: the MBMS session start message.
  • step S1016 the target OBU detects the V2X service required for receiving.
  • FIG. 11 is a flowchart of a method for transmitting a V2X service by using an SC-PTM according to an optional embodiment of the present application. As shown in FIG. 11, the steps of the method include:
  • step S1102 the OBU sends a V2X service to the V2X AS.
  • Step S1104 The V2X AS sends an Activate MBMS Bearer Request message to the BM-SC.
  • step S1106 the BM-SC establishes an MBMS bearer.
  • step S1108 the BM-SC sends a response message to the AS.
  • step S1110 the AS sends a V2X service advertisement.
  • step S1112 the AS sends the V2X service through the BM-SC.
  • step S1114 the MCE determines to send the V2X service by using the SC-PTM mode.
  • the MCE determines, according to at least one of the following conditions, the SC-PTM mode: the service area, the operator policy, the AS or the BM-SC indication information in the MBMS session start message.
  • step S1116 the target OBU detects the V2X service required for receiving.
  • the apparatus includes: a first receiver 1202 configured to receive an activated MBMS bearer request message, a TMGI request message, and a V2X.
  • the first transmitter 1204 is configured to send the V2X service data and the MBMS through the MBM bearer; the first transmitter 1204 is further configured to send a response message to the V2X AS; the first processor 1206 is configured to allocate the TMGI and the valid time. Also set to establish an MBMS bearer.
  • the device is a BM-SC.
  • FIG. 13 is a second structural block diagram of an apparatus for transmitting a V2X service according to an alternative embodiment of the present application, such as As shown in FIG. 13, the apparatus includes: a second receiver 1302 configured to receive a V2X service advertisement message and V2X service data; a second transmitter 1304 configured to transmit V2X service data to the V2X AS; and a second processor 1306, set To determine the receiving mode of the V2X service and detect the V2X service.
  • the device is included as an LTE OBU or a DSRC OBU or an LTE UE.
  • the LTE V2X service can be transmitted through the MBMS bearer, the V2X service transmission range is expanded, and the flexibility of the LTE V2X service transmission is improved.
  • the embodiment of the invention further provides a computer readable storage medium.
  • the computer readable storage medium may be configured to store program code for performing the following steps:
  • Step S1 The V2X AS classifies and identifies the V2X service, where different types of V2X services have different identifiers.
  • Step S2 The V2X AS sends a request message to the BM-SC, where the request message is used to instruct the BM-SC to establish an MBMS bearer corresponding to the V2X service identifier.
  • Step S3 The V2X AS sends the V2X service through the MBMS bearer established by the BM-SC.
  • the computer readable storage medium may be configured to store program code for performing the following steps:
  • Step S4 The BM-SC receives the request message for activating the MBMS bearer sent by the V2X AS, where the request message carries the identifier that the V2X AS classifies the V2X service.
  • Step S5 The BM-SC establishes an MBMS bearer corresponding to the identifier of the V2X service in response to the request message.
  • the computer readable storage medium may include, but is not limited to, a USB flash drive, a Read-Only Memory (ROM), and a Random Access Memory (Random Access Memory).
  • ROM Read-Only Memory
  • Random Access Memory Random Access Memory
  • the processor executes steps S1 to S3 according to the program code stored in the computer readable storage medium.
  • the processor executes step S4 and step S5 according to the stored program code in the computer readable storage medium.
  • modules or steps of the present application can be implemented by a general-purpose computing device, which can be centralized on a single computing device or distributed over a network of multiple computing devices. They may be implemented by program code executable by the computing device such that they may be stored in the storage device for execution by the computing device and, in some cases, may be performed in a different order than that illustrated herein. Or the steps described, either separately as a single integrated circuit module, or as a single integrated circuit module. Thus, the application is not limited to any particular combination of hardware and software.
  • the embodiment of the present invention provides a method and an apparatus for transmitting a V2X service, which solves the problem that the V2X AS is difficult to forward different types of V2X services in the related art.

Abstract

一种车联网V2X业务的发送方法，包括：车联网应用服务器V2X AS对车联网V2X业务进行分类标识，其中，不同类型的V2X业务具有不同的标识；V2X AS向广播多播业务中心BM-SC发送请求消息，其中，请求消息用于指示BM-SC建立与V2X业务标识对应的多媒体广播多播业务MBMS承载；V2X AS通过BM-SC建立的MBMS承载发送V2X业务。通过上述方案，解决了相关技术中车联网应用服务器V2X AS难以对不同类型的V2X业务进行转发的问题。

Description

车联网V2X业务的发送方法及装置 技术领域
本申请涉及但不限于通信领域，尤其涉及一种车联网(V2X)业务的发送方法及装置。
背景技术
随着经济社会高速发展，中国汽车保有量迅速增长，道路交通事故频繁发生，已成为近年来影响我国公众安全感的重要因素之一，道路交通安全问题已经成为影响社会和谐和改善民生的基本问题之一。中国迫切需要从技术、政策、教育等各方面改善交通安全，其中提升车辆安全设计是其中的重要组成部分。
提升车辆安全的技术主要分为被动安全技术和主动安全技术。被动安全技术用于在事故发生后，对车内、车外人员及物品的保护；主动安全技术用于防止和减少车辆发生事故，避免人员受到伤害；主动安全技术是现代车辆安全技术发展的重点和趋势。
基于通信的碰撞预警系统，通过利用先进的无线通信技术和新一代信息处理技术，实现车与车、车与路侧基础设施间的实时信息交互，告知彼此目前的状态(包括车辆的位置、速度、加速度、行驶路径)及获知的道路环境信息，协作感知道路危险状况，及时提供多种碰撞预警信息，防止道路交通安全事故的发生，成为当前各国试图解决道路交通安全问题的一种新的思路。
车联网(Vehicle to Everything，简称为V2X)是指通过装载在车辆上的传感器、车载终端及电子标签提供车辆信息，采用各种通信技术实现车与车(Vehicle to Vehicle，简称为V2V)、车与人(Vehicle to Pedestrian，简称为V2P)、车与路(Vehicle to Infrastructure，简称为V2I)互连互通，并在信息网络平台上对信息进行提取、共享等有效利用，对车辆进行有效的管控和提供综合服务。图1为相关技术中通过网络信息平台向车辆发送交通、调度信息的示意图。
路边通信单元(Road Side Unit，简称为RSU)可以接收车辆请求，保证车辆接入网络(Internet)，有网关的功能；此外，它也拥有数据运算、存储、转发的功能。
目前有两种车联网实现技术：专用短距离通信(Dedicated Short Range Communication，简称为DSRC)和长期演进(LTE，Long Term Evolution)，其中，DSRC基于IEEE802.11P和IEEE1609系列标准，802.11P负责物理层和媒体接入控制(Medium Access Control，简称为MAC)技术，1609负责上层规范。基于LTE的V2X技术刚开始讨论，还没有标准。
目前3GPP(Third Generation Partnership Project，第三代合作伙伴计划)正在讨论的LTE V2X技术包括：RSU可通过静止的用户设备(UE，User Equipment)或基站(eNB)实现，V2V/V2I/V2P可能通过PC5接口或Uu接口实现，其中PC5接口是指设备到设备(D2D，Device-to-Device)的空中接口，Uu接口是指UE到eNB的空中接口。
为了有效地利用移动网络资源，3GPP提出了多媒体广播多播业务(Multimedia Broadcast Multicast Service，简称为MBMS)，该业务是一种从一个数据源向多个目标移动终端传送数据的技术，实现了网络(包括核心网和接入网)资源的共享，提高了网络资源(尤其是空中接口资源)的利用率。3GPP在第13版(R13)的长期演进升级版(LTE-A，LTE-Advanced)中提出了单小区MBMS的研究课题，其中，单小区MBMS业务在物理下行共享信道(PDSCH，Physical Downlink Shared Channel)上传输。
针对相关技术中车联网(V2X)应用服务器(AS，Application Server)难以对不同类型的V2X业务进行转发的问题，目前尚未存在有效的解决方案。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本发明实施例提供了一种车联网(V2X)业务的发送方法及装置，以至少解决相关技术中V2X AS难以对不同类型的V2X业务进行转发的问题。
根据本发明实施例的一个方面，提供了一种V2X业务的发送方法，包括：车联网应用服务器(V2X AS)对V2X业务进行分类标识，其中，不同类型的V2X业务具有不同的标识；所述V2X AS向广播多播业务中心(BM-SC，Broadcast Multicast-Service Center)发送请求消息，其中，所述请求消息用于指示所述BM-SC建立与所述V2X业务标识对应的多媒体广播多播业务(MBMS)承载；所述V2X AS通过所述BM-SC建立的所述MBMS承载发送所述V2X业务。
可选地，所述BM-SC通过以下方式为V2X业务建立所述MBMS承载：所述BM-SC通过预先获取的V2X业务类型建立对应的MBMS承载。
可选地，所述MBMS承载包括以下之一：单小区点到多点(SC-PTM，Single Cell Point-to-Multipoint)、多媒体广播单频网(MBSFN，Multimedia Broadcast Single Frequency Network)。
可选地，所述V2X AS对V2X业务进行分类标识包括：所述V2X AS对所述V2X业务进行类型的分类或对所述V2X业务进行优先级的分类；所述V2X AS对分类后的V2X业务进行标识，其中，所述标识为临时移动组标识(TMGI，Temporary Mobile Group Identity)，所述TMGI由所述BM-SC分配。
可选地，所述请求消息中携带有以下至少之一：V2X业务的服务质量(QoS，Quality of Service)、用于指示V2X业务的目标区域的广播区域、用于指示V2X业务发送的开始时间。
可选地，所述V2X AS通过所述BM-SC建立的所述MBMS承载发送所述V2X业务包括：所述V2X AS向车载单元(OBU)发送所述V2X业务的通告信息，其中，所述通告信息至少包括以下之一：所述V2X业务的业务标识、所述V2X业务发送的开始时间、所述V2X业务被发送的目标区域、所述V2X业务的发送载频；所述V2X AS依据所述MBMS承载将所述V2X业务发送到所述V2X AS确定的所述V2X业务的目标区域。
根据本发明实施例的另一个方面，提供了一种V2X业务的发送方法，包括：广播多播业务中心(BM-SC)接收车联网应用服务器(V2X AS)发送的激活多媒体广播多播业务(MBMS)承载的请求消息，其中，所述请求消 息中携带有所述V2X AS对V2X业务进行分类后的标识；所述BM-SC响应于所述请求消息，建立与所述V2X业务的标识对应的MBMS承载。
可选地，所述方法还包括：所述BM-SC接收所述V2X AS确定的所述V2X业务的目标区域；所述BM-SC依据所述V2X业务不同的目标区域对MBMS承载再进行区分。
可选地，所述BM-SC通过以下方式建立与所述V2X业务的标识对应的MBMS承载：所述BM-SC预先建立V2X业务类型所对应的MBMS承载。
根据本发明实施例的又一个方面，提供了一种V2X业务的发送装置，应用于车联网应用服务器(V2X AS)侧，包括：处理模块，设置为对V2X业务进行分类标识，其中，不同类型的V2X业务具有不同的标识；获取模块，设置为向广播多播业务中心(BM-SC)发送请求消息，其中，所述请求消息用于指示所述BM-SC建立与所述V2X业务标识对应的多媒体广播多播业务(MBMS)承载；发送模块，设置为通过所述BM-SC建立的所述MBMS承载发送所述V2X业务。
可选地，所述BM-SC通过以下方式为V2X业务建立所述MBMS承载：所述BM-SC通过预先获取的V2X业务类型建立对应的MBMS承载。
可选地，所述MBMS承载包括以下之一：单小区点到多点(SC-PTM)、多媒体广播单频网(MBSFN)。
可选地，所述处理模块包括：处理单元，设置为对所述V2X业务进行类型的分类或对所述V2X业务进行优先级的分类；标识单元，设置为对分类后的V2X业务进行标识，其中，所述标识为临时移动组标识(TMGI)，所述TMGI由所述BM-SC分配。
可选地，所述请求消息中携带有以下至少之一：V2X业务的服务质量(QoS)、用于指示V2X业务的目标区域的广播区域、用于指示V2X业务发送的开始时间。
可选地，所述发送模块包括：第二发送单元，设置为向车载单元(OBU，On Board Unit)发送所述V2X业务的通告信息，其中，所述通告信息至少包括以下之一：所述V2X业务的业务标识、所述V2X业务发送的开始时间、 所述V2X业务被发送的目标区域、所述V2X业务的发送载频；第三发送单元，设置为依据所述MBMS承载将所述V2X业务发送到所述V2X AS确定的所述V2X业务的目标区域。
根据本发明实施例的又一个方面，提供了一种V2X业务的发送装置，应用于广播多播业务中心(BM-SC)侧，包括：接收模块，设置为接收车联网应用服务器(V2X AS)发送的激活多媒体广播多播业务(MBMS)承载的请求消息，其中，所述请求消息中携带有所述V2X AS对V2X业务进行分类后的标识；建立模块，设置为响应于所述请求消息，建立与所述V2X业务的标识对应的MBMS承载。
可选地，所述装置还包括：接收模块，设置为接收所述V2X AS确定的所述V2X业务的目标区域；区分模块，设置为依据所述V2X业务不同的目标区域对MBMS承载再进行区分。
可选地，所述建立模块，设置为通过以下方式建立与所述V2X业务的标识对应的MBMS承载：预先建立V2X业务类型所对应的MBMS承载。
根据本发明实施例的又一个方面，提供了一种V2X业务的发送系统，包括：应用于车联网应用服务器(V2X AS)侧的V2X业务的发送装置中的任一项装置与应用于广播多播业务中心(BM-SC)侧V2X业务的发送装置中的任一项装置。
本发明实施例还提供一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令被执行时实现应用于V2X AS侧的上述V2X业务的发送方法。
本发明实施例还提供一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令被执行时实现应用于BM-SC侧的上述V2X业务的发送方法。
在本发明实施例中，V2X AS对V2X业务进行分类标识，其中，不同类型的V2X业务具有不同的标识，进而V2X AS向BM-SC发送请求消息，其中，请求消息用于指示BM-SC建立与V2X业务标识对应的MBMS承载，并通过MBMS承载发送V2X业务，也就是说，在本实施例中V2X AS会对V2X业务进行分类，并对分类后的V2X业务建立与之对应的MBMS承载， 从而可以通过该MBMS承载对分类后的V2X业务进行转发，从而解决了相关技术中V2X AS难以对不同类型的V2X业务进行转发的问题，填补了相关技术中的空白。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图概述
此处所说明的附图用来提供对本申请的进一步理解，构成本申请的一部分，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1为相关技术中通过网络信息平台向车辆发送交通、调度信息的示意图；
图2是根据本发明实施例的应用于V2X AS侧的V2X业务的发送方法的流程图；
图3是根据本发明实施例的应用于BM-SC侧的V2X业务的发送方法的流程图；
图4是根据本发明实施例的V2X AS侧的V2X业务的发送装置的结构框图；
图5是根据本发明实施例的BM-SC侧的V2X业务的发送装置的结构框图；
图6是根据本发明实施例的V2X业务的发送系统的结构框图；
图7是根据本申请可选实施例的V2X AS通过PTM下发V2X业务到接收OBU的示意图；
图8是根据本申请可选实施例的AS请求BM-SC分配TMGI方法流程图；
图9是根据本申请可选实施例的BM-SC自动分配TMGI方法流程图；
图10是根据本申请可选实施例的采用MBSFN方式发送V2X业务的方法流程图；
图11是根据本申请可选实施例的采用SC-PTM发送V2X业务的方法流 程图；
图12是根据本申请可选实施例的发送V2X业务的装置结构框图一；
图13是根据本申请可选实施例的发送V2X业务的装置结构框图二。
本发明的实施方式
下文中将参考附图并结合实施例来详细说明本申请。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
需要说明的是，本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。
在本实施例中提供了一种车联网(V2X)业务的发送方法，图2是根据本发明实施例的应用于车联网应用服务器(V2X AS)侧的车联网(V2X)业务的发送方法的流程图，如图2所示，该方法包括如下步骤：
步骤S202：车联网应用服务器(V2X AS)对车联网(V2X)业务进行分类标识，其中，不同类型的V2X业务具有不同的标识；
步骤S204：V2X AS向广播多播业务中心(BM-SC)发送请求消息，其中，请求消息用于指示BM-SC建立与V2X业务标识对应的多媒体广播多播业务(MBMS)承载；
步骤S206：V2X AS通过BM-SC建立的MBMS承载发送V2X业务。
通过本实施例的步骤S202至步骤S206可知，车联网应用服务器(V2X AS)对车联网(V2X)业务进行分类标识，其中，不同类型的V2X业务具有不同的标识，进而V2X AS向广播多播业务中心(BM-SC)发送请求消息，其中，请求消息用于指示BM-SC建立与V2X业务标识对应的多媒体广播多播业务(MBMS)承载，并通过MBMS承载发送V2X业务，也就是说，在本实施例中V2X AS会对V2X业务进行分类，并对分类后的V2X业务建立与之对应的MBMS承载，从而可以通过该MBMS承载对分类后的V2X业务进行转发，从而解决了相关技术中V2X AS难以对不同类型的V2X业务进行转发的问题，填补了相关技术中的空白。
需要说明的是，该请求消息中携带有以下至少之一：V2X业务的服务质量(QoS)、用于指示V2X业务的目标区域的广播区域、用于指示V2X业务发送的开始时间。V2X AS向BM-SC发送激活MBMS承载请求消息，请求消息包括以下至少之一：TMGI、QoS、广播区域、开始时间。其中，TMGI用于指示V2X业务，如果请求消息中没有TMGI，则BM-SC在响应消息中指示TMGI；QoS用于指示V2X业务的QoS需求，广播区域用于指示V2X业务的目标区域，该区域可以用小区标识指示；开始时间用于指示V2X业务的发送开始时间。
可选地，BM-SC通过以下方式为V2X业务建立MBMS承载：BM-SC通过预先获取的V2X业务类型建立对应的MBMS承载。MBMS承载包括以下之一：单小区点到多点(SC-PTM)、多媒体广播单频网(MBSFN)。
对于本实施例步骤S202中涉及到V2X AS对V2X业务进行分类标识的方式，在本实施例的可选实施方式中，可以通过如下方式来实现：
步骤S202-1：V2X AS对V2X业务进行类型的分类或对V2X业务进行优先级的分类；
步骤S202-2：V2X AS对分类后的V2X业务进行标识，其中，标识为临时移动组标识(Temporary Mobile Group Identity，简称为TMGI)，TMGI由BM-SC分配。
由上述步骤S202-1和步骤S202-2可知，V2X AS将V2X业务进行分类，如：周期类V2X，事件触发类V2X，或者根据V2X业务优先级进行分类，如根据优先级标识，即QoS等级标识(QoS Class Identifier，简称为QCI)进行分类。需要说明的是，V2X AS将V2X业务进行分类，这些V2X业务可以是V2X AS接收到来自若干OBU的V2X业务；也可以是V2X AS已知的V2X业务类型。
而对于本实施例中步骤S206中涉及到的V2X AS通过BM-SC建立的MBMS承载发送V2X业务的方式，在本实施例的可选实施方式中，可以通过如下方式来实现：
步骤S206-1：V2X AS向车载单元(OBU)发送V2X业务的通告信息，其中，通告信息至少包括以下之一：V2X业务的业务标识TMGI、V2X业务 发送的开始时间、V2X业务被发送的目标区域、V2X业务的发送载频。
步骤S206-2：V2X AS依据MBMS承载将V2X业务发送到V2X AS确定的V2X业务的目标区域。
由步骤S206-1和步骤S206-2可知，V2X AS首先发送V2X业务通告，用于通知V2X业务的相关信息，如业务与之对应的TMGI、V2X业务开始时间、业务区域、发送载频等信息。V2X AS可通过应用层或短信发送上述V2X业务通告，OBU接收V2X业务通告。
图3是根据本发明实施例的应用于广播多播业务中心(BM-SC)侧的V2X业务的发送方法的流程图，如图3所示，该方法的步骤包括：
步骤S302：广播多播业务中心(BM-SC)接收V2X AS发送的激活MBMS承载的请求消息，其中，请求消息中携带有V2X AS对V2X业务进行分类后的标识；
步骤S304：BM-SC响应于请求消息，建立与V2X业务的标识对应的MBMS承载。
由步骤S302和步骤S304，BM-SC根据收到的请求消息建立MBMS承载，启动MBMS会话开始(MBMS session start)流程。BM-SC为每一个TMGI都需要建立单独的MBMS承载，也就是说，每个V2X业务类型都需要建立单独的MBMS承载，即：每个TMGI对应一个V2X业务类型对应一个MBMS承载。BM-SC为某个V2X业务类型建立MBMS承载的时候，有可能OBU还没有发送该V2X业务类型的数据内容到网络侧(比如：AS还没有接收到任何OBU所发送的该V2X业务类型的数据包)，这种方法也称为：预先建立某个V2X业务类型所对应的单独的MBMS承载，此时预先建立的承载包括控制面承载和BM-SC到RSU的用户面承载，即除了空口的用户面承载之外其他承载都已预建立。
此外，在本实施例的另一个可选实施方式中，本实施例的方法还包括：BM-SC接收V2X AS确定的V2X业务的目标区域，BM-SC依据V2X业务不同的目标区域对MBMS承载再进行区分。也就是说，对于目标OBU位于不同业务区域的场景，针对相同的V2X业务，即相同的TMGI，BM-SC建立不同的MBMS承载，不同的承载通过flow ID区分。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到根据上述实施例的方法可借助软件加必需的通用硬件平台的方式来实现，或者也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对相关技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端设备(可以是手机，计算机，服务器，或者网络设备等)执行本申请各个实施例的方法。
在本实施例中还提供了一种车联网(V2X)业务的发送装置，该装置用于实现上述实施例及可选实施方式，已经进行过说明的不再赘述。如以下所使用的，术语“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置较佳地以软件来实现，但是硬件，或者软件和硬件的组合的实现也是可能并被构想的。
图4是根据本发明实施例的V2X AS侧的V2X业务的发送装置的结构框图，如图4所示，该装置包括：处理模块42，设置为对V2X业务进行分类标识，其中，不同类型的V2X业务具有不同的标识；获取模块44，与处理模块42耦合连接，设置为向广播多播业务中心(BM-SC)发送请求消息，其中，请求消息用于指示BM-SC建立与V2X业务标识对应的多媒体广播多播业务(MBMS)承载；发送模块46，与获取模块44耦合连接，设置为通过BM-SC建立的MBMS承载发送V2X业务。
可选地，BM-SC通过以下方式为V2X业务建立MBMS承载：BM-SC通过预先获取的V2X业务类型建立对应的MBMS承载。MBMS承载包括以下之一：单小区点到多点(SC-PTM)、多媒体广播单频网(MBSFN)。
可选地，处理模块42包括：处理单元，设置为对V2X业务进行类型的分类或对V2X业务进行优先级的分类；标识单元，与处理单元耦合连接，设置为对分类后的V2X业务进行标识，其中，标识为临时移动组标识(TMGI)，TMGI由BM-SC分配。
可选地，请求消息中携带有以下至少之一：V2X业务的服务质量(QoS)、用于指示V2X业务的目标区域的广播区域、用于指示V2X业务发送的开始时间。
可选地，发送模块46包括：第二发送单元，设置为向车载单元(OBU)发送V2X业务的通告信息，其中，通告信息至少包括以下之一：V2X业务的业务标识TMGI、V2X业务发送的开始时间、V2X业务被发送的目标区域、V2X业务的发送载频；第三发送单元，与第二发送单元耦合连接，设置为依据MBMS承载将V2X业务发送到V2X AS确定的V2X业务的目标区域。
图5是根据本发明实施例的BM-SC侧的V2X业务的发送装置的结构框图，如图5所示，该装置包括：接收模块52，设置为接收车联网应用服务器V2X AS发送的激活MBMS承载的请求消息，其中，请求消息中携带有V2X AS对车联网V2X业务进行分类后的标识；建立模块54，与接收模块52耦合连接，设置为响应于请求消息，建立与V2X业务的标识对应的MBMS承载。
可选地，该装置还包括：接收模块，设置为接收V2X AS确定的V2X业务的目标区域；区分模块，设置为依据V2X业务不同的目标区域对MBMS承载再进行区分。
图6是根据本发明实施例的V2X业务的发送系统的结构框图，如图6所示，该系统包括：图4的实施例中任一项的装置与图5的实施例中任一项的装置。
下面结合本申请的可选实施例对本申请进行举例说明。
本可选实施例提供了一种发送V2X业务的方法，该包括：V2X AS将收到的V2X业务根据类型进行划分，并通过BM-SC为不同类型的V2X业务配置相应的临时移动组标识(Temporary Mobile Group Identity，简称为TMGI)；V2X AS确定V2X业务的发送区域并通知RSU和/或eNB，RSU和/或eNB在区域采用PTM(Point-to-Multipoint，点到多点)方式发送V2X业务；车载单元(OBU)通过业务通告获取TMGI与V2X业务的映射关系并根据TMGI接收所需的V2X业务。
下面结合具体的应用场景对本可选实施例进行说明，图7是根据本申请可选实施例的V2X AS通过PTM下发V2X业务到接收OBU的示意图，下面结合图7对本可选实施例的方法进行说明，基于此，该方法的步骤包括：
步骤S702：OBU向V2X AS(本可选实施例中简称为AS，V2X应用服 务器)发送V2X业务。
其中，OBU建立单播承载并通过单播承载向AS发送V2X业务，OBU为一个或多个，本可选实施例中的V2X业务包括以下至少之一：V2V、V2I、V2P、V2N(Vehicle-to-Network)；此外，本实施例中OBU包括以下至少之一：LTE UE、DSRC OBU。
步骤S704：V2X AS根据V2X业务的类型进行处理。
其中，AS将V2X业务进行分类，如：周期类V2X，事件触发类V2X，或者根据V2X业务优先级进行分类，如根据优先级标识，即QoS等级标识(QoS Class Identifier，简称为QCI)进行分类。
AS将V2X业务进行分类，这些V2X业务可以是AS接收到来自若干OBU的V2X业务；也可以是AS已知的V2X业务类型(这些V2X业务可能还没有从OBU发送到AS，AS根据其自身存储的信息将V2X业务进行分类)。
V2X AS根据收到的V2X业务分类可向BM-SC请求TMGI，不同类型的V2X业务对应不同的TMGI，或者在下面的步骤S706中BM-SC收到AS的激活MBMS承载请求时为V2X业务分配TMGI，BM-SC将分配的TMGI和TMGI有效时间发送给AS，其中，TMGI有效时间是指在该时间内TMGI及相应的MBMS承载有效，超过有效时间，TMGI无效且相应的MBMS承载也释放。
步骤S706：V2X AS通过BM-SC激活MBMS承载。
其中，AS向BM-SC发送激活MBMS承载请求消息，请求消息包括以下至少之一：TMGI、QoS、广播区域、开始时间。
其中，TMGI用于指示V2X业务，如果请求消息中没有TMGI，则BM-SC在响应消息中指示TMGI；QoS用于指示V2X业务的QoS需求，广播区域用于指示V2X业务的目标区域，该区域可以用小区标识指示；开始时间用于指示V2X业务的发送开始时间。
BM-SC根据收到的请求消息建立MBMS承载，启动MBMS会话开始(MBMS session start)流程。
BM-SC为每一个TMGI都需要建立单独的MBMS承载，也就是说，每 个V2X业务类型都需要建立单独的MBMS承载，即：每个TMGI对应一个V2X业务类型对应一个MBMS承载。
BM-SC为某个V2X业务类型建立MBMS承载的时候，有可能OBU还没有发送该V2X业务类型的数据内容到网络侧(比如：AS还没有接收到任何OBU所发送的该V2X业务类型的数据包)，这种方法也称为：预先建立某个V2X业务类型所对应的单独的MBMS承载，此时预先建立的承载包括控制面承载和BM-SC到RSU的用户面承载，即除了空口的用户面承载之外其他承载都已预建立。
对于目标OBU位于不同业务区域的场景，针对相同的V2X业务，即相同的TMGI，BM-SC建立不同的MBMS承载，不同的承载通过flow ID区分。
BM-SC向AS发送请求响应消息，其中至少包含以下之一：TMGI、flow ID、有效时间、业务描述、BM-SC IP地址和端口。其中：flow ID用于指示不同业务区域中的相同TMGI对应的V2X业务，业务描述用于指示V2X业务的属性(如业务区域，发送载波频率)，BM-SC IP地址和端口用于指示BM-SC用户面的地址。而MBMS承载包括以下至少之一：单小区点到多点(SC-PTM)、MBSFN。
步骤S708：AS通过BM-SC在MBMS承载发送V2X业务。
其中，AS首先发送V2X业务通告，用于通知V2X业务的相关信息，如业务和TMGI的映射关系，V2X业务开始时间，业务区域，发送载频等信息。AS可通过应用层或短信发送上述V2X业务通告，OBU接收V2X业务通告；
AS通过BM-SC在已建好的MBMS承载上发送V2X业务到业务区域中的RSU和/或eNB。
步骤S710：RSU和/或eNB在目标区域发送V2X业务。
其中，RSU和/或eNB根据MBMS session start中的区域信息确定目标区域，RSU和/或eNB在目标区域调度发送V2X业务，发送为MBMS广播，MBMS广播包括以下至少之一：MBSFN、SC-PTM。
本可选实施例的RSU包括以下至少之一：eNB类型RSU、静止UE类型RSU、DSRC类型RSU。
步骤S712：目标OBU检测接收所需的V2X业务；目标OBU根据TMGI接收所需的V2X业务。
基于上述场景中本实施例的方法，下面将结合具体实施例对本申请可选实施例进行详细说明。
实施例一
图8是根据本申请可选实施例的AS请求BM-SC分配TMGI方法流程图，如图8所示，该方法的步骤包括：
步骤S802，OBU向V2X AS发送V2X业务。
其中，OBU通过单播承载向V2X AS发送V2X业务。
步骤S804，AS向BM-SC请求分配TMGI。
其中，AS根据收到的V2X业务类型向BM-SC请求TMGI，不同的V2X业务类型对应不同的TMGI，或者AS发现原先获得的TMGI有效时间即将到期，则向AS发送请求延长TMGI的有效时间。
步骤S806，BM-SC分配TMGI并通知AS。
其中，BM-SC分配TMGI和相应的有效时间，并通知AS。
步骤S808，AS向BM-SC发送激活MBMS承载请求。
步骤S810，BM-SC建立MBMS承载。
其中，BM-SC通过MBMS session start流程建立MBMS承载。
步骤S812，BM-SC向AS发送响应消息。
其中，响应消息包括以下至少之一：V2X业务描述，BM-SC IP地址/端口。
步骤S814，AS发送V2X业务通告消息。
其中，AS通过应用层或SMS(Short Message Service，短信息服务)等发送V2X业务通告。
步骤S816，AS通过BM-SC发送V2X业务。
其中，AS通过BM-SC建立的MBMS承载发送V2X业务。
步骤S818，RSU在目标区域广播V2X业务。
其中，RSU根据MCE(MBMS Coordination Entity，MBMS协调实体)的指示确定目标区域，并在目标区域广播V2X业务。
步骤S820，OBU检测接收所需的V2X业务。流程结束。
其中，OBU为目标区域中的OBU，为无线资源控制空闲(RRC-Idle)或无线资源控制连接(RRC-connected)状态。
实施例二
图9是根据本申请可选实施例的BM-SC自动分配TMGI方法流程图，如图9所示，该方法的步骤包括：
步骤S902，OBU向V2X AS发送V2X业务。
步骤S904，V2X AS向BM-SC发送激活MBMS承载请求消息。
步骤S906，BM-SC建立MBMS承载。
步骤S908，BM-SC向AS发送响应消息。
其中，响应消息包括以下至少之一：TMGI、flow ID、有效时间、业务描述、BM-SC IP地址和端口。
步骤S910，AS发送V2X业务通告。
步骤S912，AS通过BM-SC发送V2X业务。
步骤S914，RSU在目标区域广播V2X业务。
步骤S916，OBU检测接收所需的V2X业务。
流程结束。
实施例三
图10是根据本申请可选实施例的采用MBSFN方式发送V2X业务的方法流程图，如图10所示，该方法的步骤包括：
步骤S1002，OBU向V2X AS发送V2X业务。
步骤S1004，V2X AS向BM-SC发送激活MBMS承载请求消息。
步骤S1006，BM-SC建立MBMS承载。
步骤S1008，BM-SC向AS发送响应消息。
步骤S1010，AS发送V2X业务通告。
步骤S1012，AS通过BM-SC发送V2X业务。
步骤S1014，MCE确定采用MBSFN方式发送V2X业务。
其中，MCE根据以下至少之一条件确定采用MBSFN方式：MBMS session start消息中的业务区域、运营商策略、AS或BM-SC的指示信息。
步骤S1016，目标OBU检测接收所需的V2X业务。
实施例四
图11是根据本申请可选实施例的采用SC-PTM发送V2X业务的方法流程图，如图11所示，该方法的步骤包括：
步骤S1102，OBU向V2X AS发送V2X业务。
步骤S1104，V2X AS向BM-SC发送激活MBMS承载请求消息。
步骤S1106，BM-SC建立MBMS承载。
步骤S1108，BM-SC向AS发送响应消息。
步骤S1110，AS发送V2X业务通告。
步骤S1112，AS通过BM-SC发送V2X业务。
步骤S1114，MCE确定采用SC-PTM方式发送V2X业务。
其中，MCE根据以下至少之一条件确定采用SC-PTM方式：MBMS session start消息中的业务区域、运营商策略、AS或BM-SC的指示信息。
步骤S1116，目标OBU检测接收所需的V2X业务。
图12是根据本申请可选实施例的发送V2X业务的装置结构框图一，如图12所示，该装置包括：第一接收器1202，设置为接收激活MBMS承载请求消息、TMGI请求消息和V2X业务数据；第一发送器1204，设置为通过MBM承载发送V2X业务数据和MBMS；第一发送器1204，还设置为向V2X AS发送响应消息；第一处理器1206，设置为分配TMGI和有效时间，还设置为建立MBMS承载。其中，该装置为BM-SC。
图13是根据本申请可选实施例的发送V2X业务的装置结构框图二，如 图13所示，该装置包括：第二接收器1302，设置为接收V2X业务通告消息和V2X业务数据；第二发送器1304，设置为向V2X AS发送V2X业务数据；第二处理器1306，设置为确定V2X业务的接收方式和检测V2X业务。其中，该装置包括为LTE OBU或DSRC OBU或LTE UE。
由本可选实施例可知，能够实现LTE V2X业务通过MBMS承载发送，扩大了V2X业务发送范围，提高了LTE V2X业务发送的灵活性。
本发明实施例还提供了一种计算机可读存储介质。可选地，在本实施例中，上述计算机可读存储介质可以被设置为存储用于执行以下步骤的程序代码：
步骤S1：V2X AS对V2X业务进行分类标识，其中，不同类型的V2X业务具有不同的标识；
步骤S2：V2X AS向BM-SC发送请求消息，其中，请求消息用于指示BM-SC建立与V2X业务标识对应的MBMS承载；
步骤S3：V2X AS通过BM-SC建立的MBMS承载发送V2X业务。
可选地，在本实施例中，上述计算机可读存储介质可以被设置为存储用于执行以下步骤的程序代码：
步骤S4：BM-SC接收V2X AS发送的激活MBMS承载的请求消息，其中，所述请求消息中携带有所述V2X AS对V2X业务进行分类后的标识；
步骤S5：BM-SC响应于所述请求消息，建立与所述V2X业务的标识对应的MBMS承载。
可选地，在本实施例中，上述计算机可读存储介质可以包括但不限于：U盘、只读存储器(Read-Only Memory，简称为ROM)、随机存取存储器(Random Access Memory，简称为RAM)、移动硬盘、磁碟或者光盘等各种可以存储程序代码的介质。
可选地，在本实施例中，处理器根据计算机可读存储介质中已存储的程序代码执行步骤S1至步骤S3。
可选地，在本实施例中，处理器根据计算机可读存储介质中已存储的程序代码执行步骤S4和步骤S5。
可选地，本实施例中的具体示例可以参考上述实施例及可选实施方式中所描述的示例，本实施例在此不再赘述。
本领域的技术人员应该明白，上述的本申请的模块或步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，可选地，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在存储装置中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤，或者将它们分别制作成单个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样，本申请不限制于任何特定的硬件和软件结合。
以上所述仅为本申请的可选实施例而已，并不用于限制本申请，对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。
工业实用性
本申请实施例提供一种V2X业务的发送方法及装置，解决了相关技术中V2X AS难以对不同类型的V2X业务进行转发的问题。

Claims (17)

  1. 一种车联网V2X业务的发送方法，包括：
    车联网应用服务器V2X AS对车联网V2X业务进行分类标识，其中，不同类型的V2X业务具有不同的标识；
    所述V2X AS向广播多播业务中心BM-SC发送请求消息，其中，所述请求消息用于指示所述BM-SC建立与所述V2X业务标识对应的多媒体广播多播业务MBMS承载；
    所述V2X AS通过所述BM-SC建立的所述MBMS承载发送所述V2X业务。
  2. 根据权利要求1所述的方法，其中，所述MBMS承载包括以下之一：单小区点到多点SC-PTM、多媒体广播单频网MBSFN。
  3. 根据权利要求1所述的方法，其中，所述V2X AS对V2X业务进行分类标识包括：
    所述V2X AS对所述V2X业务进行类型的分类或对所述V2X业务进行优先级的分类；
    所述V2X AS对分类后的V2X业务进行标识，其中，所述标识为临时移动组标识TMGI，所述TMGI由所述BM-SC分配。
  4. 根据权利要求1所述的方法，其中，所述请求消息中携带有以下至少之一：V2X业务的服务质量QoS、用于指示V2X业务的目标区域的广播区域、用于指示V2X业务发送的开始时间。
  5. 根据权利要求1所述的方法，其中，所述V2X AS通过所述BM-SC建立的所述MBMS承载发送所述V2X业务包括：
    所述V2X AS向车载单元OBU发送所述V2X业务的通告信息，其中，所述通告信息至少包括以下之一：所述V2X业务的业务标识、所述V2X业务发送的开始时间、所述V2X业务被发送的目标区域、所述V2X业务的发送载频；
    所述V2X AS依据所述MBMS承载将所述V2X业务发送到所述V2X AS 确定的所述V2X业务的目标区域。
  6. 一种车联网V2X业务的发送方法，包括：
    广播多播业务中心BM-SC接收车联网应用服务器V2X AS发送的激活多媒体广播多播业务MBMS承载的请求消息，其中，所述请求消息中携带有所述V2X AS对车联网V2X业务进行分类后的标识；
    所述BM-SC响应于所述请求消息，建立与所述V2X业务的标识对应的MBMS承载。
  7. 根据权利要求6所述的方法，所述方法还包括：
    所述BM-SC接收所述V2X AS确定的所述V2X业务的目标区域；
    所述BM-SC依据所述V2X业务不同的目标区域对MBMS承载再进行区分。
  8. 根据权利要求6所述的方法，其中，所述BM-SC通过以下方式建立与所述V2X业务的标识对应的MBMS承载：所述BM-SC预先建立V2X业务类型所对应的MBMS承载。
  9. 一种车联网V2X业务的发送装置，应用于车联网应用服务器V2X AS侧，包括：
    处理模块，设置为对车联网V2X业务进行分类标识，其中，不同类型的V2X业务具有不同的标识；
    获取模块，设置为向广播多播业务中心BM-SC发送请求消息，其中，所述请求消息用于指示所述BM-SC建立与所述V2X业务标识对应的多媒体广播多播业务MBMS承载；
    发送模块，设置为通过所述BM-SC建立的所述MBMS承载发送所述V2X业务。
  10. 根据权利要求9所述的装置，其中，所述MBMS承载包括以下之一：单小区点到多点SC-PTM、多媒体广播单频网MBSFN。
  11. 根据权利要求9所述的装置，其中，所述处理模块包括：处理单元，设置为对所述V2X业务进行类型的分类或对所述V2X业务进行优先级的分 类；标识单元，设置为对分类后的V2X业务进行标识，其中，所述标识为临时移动组标识TMGI，所述TMGI由所述BM-SC分配。
  12. 根据权利要求9所述的装置，其中，所述请求消息中携带有以下至少之一：V2X业务的服务质量QoS、用于指示V2X业务的目标区域的广播区域、用于指示V2X业务发送的开始时间。
  13. 根据权利要求9所述的装置，其中，所述发送模块包括：
    第二发送单元，设置为向车载单元OBU发送所述V2X业务的通告信息，其中，所述通告信息至少包括以下之一：所述V2X业务的业务标识、所述V2X业务发送的开始时间、所述V2X业务被发送的目标区域、所述V2X业务的发送载频；
    第三发送单元，设置为依据所述MBMS承载将所述V2X业务发送到所述V2X AS确定的所述V2X业务的目标区域。
  14. 一种车联网V2X业务的发送装置，应用于广播多播业务中心BM-SC侧，包括：
    接收模块，设置为接收车联网应用服务器V2X AS发送的激活多媒体广播多播业务MBMS承载的请求消息，其中，所述请求消息中携带有所述V2XAS对车联网V2X业务进行分类后的标识；
    建立模块，设置为响应于所述请求消息，建立与所述V2X业务的标识对应的MBMS承载。
  15. 根据权利要求14所述的装置，所述装置还包括：
    接收模块，设置为接收所述V2X AS确定的所述V2X业务的目标区域；
    区分模块，设置为依据所述V2X业务不同的目标区域对MBMS承载再进行区分。
  16. 根据权利要求14所述的装置，其中，所述建立模块，设置为通过以下方式建立与所述V2X业务的标识对应的MBMS承载：预先建立V2X业务类型所对应的MBMS承载。
  17. 一种车联网V2X业务的发送系统，包括：权利要求9至13任一项的装置与权利要求14至16任一项的装置。
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CN106658424B (zh) 2019-01-25
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EP3373612A1 (en) 2018-09-12
CN106658424A (zh) 2017-05-10
US10917757B2 (en) 2021-02-09
EP3373612B1 (en) 2022-12-21
HUE061587T2 (hu) 2023-07-28
US20180324560A1 (en) 2018-11-08

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