WO2020019984A1 - 一种车联网通信解决方案 - Google Patents

一种车联网通信解决方案 Download PDF

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Publication number
WO2020019984A1
WO2020019984A1 PCT/CN2019/095519 CN2019095519W WO2020019984A1 WO 2020019984 A1 WO2020019984 A1 WO 2020019984A1 CN 2019095519 W CN2019095519 W CN 2019095519W WO 2020019984 A1 WO2020019984 A1 WO 2020019984A1
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Prior art keywords
server
vehicle
information
area
central server
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PCT/CN2019/095519
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English (en)
French (fr)
Inventor
周凯
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华为技术有限公司
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Priority to JP2021504407A priority Critical patent/JP7152591B2/ja
Priority to EP19840037.6A priority patent/EP3820172B1/en
Publication of WO2020019984A1 publication Critical patent/WO2020019984A1/zh
Priority to US17/158,566 priority patent/US11323850B2/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • H04W4/029Location-based management or tracking services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30Services specially adapted for particular environments, situations or purposes
    • H04W4/40Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/44Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06Management of faults, events, alarms or notifications
    • H04L41/0654Management of faults, events, alarms or notifications using network fault recovery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/1001Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
    • H04L67/1004Server selection for load balancing
    • H04L67/1021Server selection for load balancing based on client or server locations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/50Network services
    • H04L67/52Network services specially adapted for the location of the user terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/50Network services
    • H04L67/60Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
    • H04L67/61Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources taking into account QoS or priority requirements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • H04W4/021Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • H04W4/025Services making use of location information using location based information parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30Services specially adapted for particular environments, situations or purposes
    • H04W4/40Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/11Allocation or use of connection identifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/26Network addressing or numbering for mobility support
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W92/00Interfaces specially adapted for wireless communication networks
    • H04W92/16Interfaces between hierarchically similar devices
    • H04W92/18Interfaces between hierarchically similar devices between terminal devices

Definitions

  • This application relates to the field of communications, and in particular, to a communications solution in the field of connected vehicles, which specifically includes a communications architecture, method, and device.
  • V2X Vehicle, Everything refers to the communication system between vehicles, or between vehicles and pedestrians or cyclists, and between vehicles and infrastructure.
  • the vehicle uses various sensors (such as laser radar, millimeter wave radar, etc.) and cameras mounted on the vehicle to obtain the vehicle's driving status, system operating status (can be fed back through the CAN bus, such as braking status, turn signal status, etc.) and the surrounding road environment.
  • GPS or other positioning methods such as cellular network positioning, visual positioning, inertial navigation and other technologies
  • this information is transmitted end-to-end, and then information is shared in the entire car networking system.
  • the driver can timely report the road conditions and the driving conditions in advance, effectively improving the vehicle communication efficiency and improving the vehicle communication safety.
  • Vehicles can communicate with each other through the PC5 interface, and vehicles can also communicate with the V2X server through the Uu interface; smart road facilities (such as traffic lights, electronic signs, etc.), pedestrians, motorcycles and other equipment can also access the V2X server. Achieve V2X communication.
  • the car networking architecture only considers the networking of a single V2X server. In the actual V2X network deployment process, departments or institutions in different regions will deploy their own V2X servers, and V2X deployment plans in different regions Inconsistent with the progress, how to achieve V2X communication of vehicles in a multi-V2X server networking architecture has become a key technical issue for V2X large-scale commercial use.
  • This application proposes a telematics communication solution to solve cross-regional and inter-departmental telematics interconnection and interoperability issues, so that vehicles can enjoy the telematics service no matter where they drive.
  • V2X-Center V2X Center Server
  • a vehicle When a vehicle needs to obtain the connected car service, it first connects to the V2X-C node belonging to (or on the license plate), and then the V2X-C node judges whether it is in the V2X service area covered by the V2X-C according to the current vehicle position, and if so According to the geographical location of the vehicle, the V2X regional service node in the area where the vehicle is located is assigned to the vehicle, and the access address of the V2X regional service node is issued to the vehicle.
  • the V2X-C node is requested to allocate V2X to other V2X-C nodes according to the geographical location of the vehicle Regional service node, and pass the access information of the V2X regional service node to the vehicle, so that the vehicle can access the V2X server in the current area and enjoy the Internet of Vehicles service.
  • the present application proposes a communication method for vehicle networking, assuming that the V2X-C alliance includes two central servers, a first central server and a second central server.
  • the first central server is a central server for vehicle registration or registration.
  • the first central server receives a request message from a vehicle acquisition server, and the request message from the vehicle acquisition server includes an identification of the vehicle and location information of the vehicle, and the location indicated by the vehicle location information is at the second central server.
  • the first center server sends a request message to the second server to the second center server, and the request message sent by the first center server to the server includes the location information of the vehicle;
  • the first A center server receives addressing information of an area server from the second center server, and the area server provides services for vehicles in the area where the vehicle is located, which are determined by the second center server according to the location information of the vehicle.
  • Server the first central server returns addressing information of the area server to the vehicle.
  • the first central server In order to ensure that the first central server can determine or allocate an area server in the area where the vehicle is located, before the first central server receives the request message of the vehicle acquisition server, the first central server needs to receive service information of the second central server.
  • the service information includes addressing information of the second central server and a service area of the second central server.
  • the first center server is a server for vehicle registration or registration. It should save the complete registration and business-related information of the vehicle. Even if the vehicle is driving in other areas, there are other servers that provide vehicle networking services for the vehicle. The first center server should also obtain To related business data. Therefore, after the first center server receives the addressing information of the area server from the second center server, the first center server subscribes the vehicle's business data to the area server, and the subscription request message Including the identification of the vehicle.
  • the nodes in the communication network often make some redundant deployments, such as setting the active and standby nodes.
  • two active and standby servers may be deployed to perform the functions of the second central server, one of which is the active node and the other is the standby node.
  • the standby node is upgraded to the active node and the original active node fails.
  • the first central server needs to store the service information of the active and standby nodes, that is, the addressing information of the active node.
  • the service area of the active node also includes the priority information of the active node (such as the active identifier).
  • the service area of the standby node also has priority information of the standby node (such as the standby identification).
  • the primary node is preferentially contacted, and when the primary node is unreachable (such as no response or timeout), the secondary node is contacted.
  • the vehicle networking communication solution proposed in this application relates to a vehicle networking server, a communication device built in or integrated in a vehicle. Therefore, the present application also provides a device and a server for implementing a communication method such as on-vehicle networking.
  • the present application also provides a computer-readable storage medium, where the computer-readable storage medium stores instructions, and when the computer-readable storage medium runs on the computer, causes the computer to execute the above-mentioned vehicle networking communication method.
  • the present application provides a computer program product containing instructions that, when run on a computer, causes the computer to execute the above-mentioned IoV communication method.
  • FIG. 1 is a schematic diagram of a vehicle networking system architecture in the prior art
  • FIG. 2 is a schematic diagram of a vehicle networking system architecture according to an embodiment of the present application.
  • FIG. 3 is a schematic flowchart of creating a vehicle alliance center server alliance according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a vehicle networking service flow in a vehicle networking roaming scenario according to an embodiment of the present application
  • FIG. 5 is a schematic structural diagram of a device used in an embodiment of the present application.
  • This application proposes a multi-V2X server communication architecture and a V2X communication solution when a vehicle is driving across a V2X service area.
  • FIG. 2 shows the architecture or concept of a V2X Center Server (V2X-C) alliance proposed for this application.
  • V2X-C shown in FIG. 2 is a server or a node for initial registration or account opening of a vehicle, and records vehicle opening or registration data, and also records vehicle operation data.
  • V2X-C can provide vehicle management capabilities to organizations such as traffic police or highway supervision, and car companies or other third-party applications can also obtain vehicle operating data through this server.
  • V2X Region Server (V2X Region, V2X-R) is a server or node that provides V2X services to vehicles.
  • V2X services provided are V2I services (such as traffic signal status push, traffic time push, etc.), and V2V services (such as The reported information generates early warning information and pushes it to the vehicle, etc.).
  • the area served or covered by V2X-C is relatively large.
  • the area covered or served by V2X-C_1 is Shenzhen
  • the area covered or served by V2X-C_2 is Guangzhou
  • multiple V2X-R and V2X are deployed in the area covered by V2X-C.
  • -C assigns V2X-R to vehicles
  • V2X-R directly provides V2X services to vehicles.
  • Multiple V2X-Cs form a V2X-C alliance.
  • the V2X-Cs in the V2X-C alliance store each other's address and the geographic area served or covered by each other.
  • the vehicle When the vehicle needs to obtain the connected car service, it is first connected to the V2X-C initially configured when the license plate is registered or the V2X-C initially registered when the account is opened, and then the V2X-C node judges whether the vehicle is in the V2X-C based on the current vehicle location information. The service area. If it is, the vehicle is allocated the V2X-R in the V2X-C service area according to the geographical location of the vehicle. If it is not, the V2X-R is requested to be allocated to other V2X-C nodes according to the address location of the vehicle. V2X-C can also subscribe to vehicle operation data or business data to V2X-R assigned to the vehicle.
  • V2X-C server and the V2X-C node described in the embodiments of the present application refer to two different names of the same V2X-C entity.
  • V2X-C server since V2X-C provides services for vehicles Therefore, it is called "V2X-C server”.
  • V2X-C node From the perspective of network architecture, since V2X-C is a node in the network, it can also be called "V2X-C node".
  • two names of V2X-C server and V2X-C node may be used interchangeably, but those skilled in the art should understand that the V2X-C server and V2X-C node both point to the same V2X-C entity.
  • V2X-R server and V2X-R node may be used interchangeably in this application.
  • concept of the "V2X-C Alliance” proposed in this application is a possible name for the inventive concept proposed in this application.
  • V2X-C Alliance proposes a possible name for the inventive concept proposed in this application.
  • FIG. 3 a possible V2X-C alliance establishment and update process proposed in the embodiment of the present application is shown in FIG. 3.
  • V2X-C_1 and V2X-C_2 are two V2X-C nodes in the same V2X-C alliance.
  • a new V2X-C_n node is powered on and ready to provide V2X services in a specific area (such as Shenzhen).
  • the V2X-C_n node needs to initiate a request to join the V2X-C node in the V2X-C alliance.
  • the address of the V2X-C node in the V2X-C alliance can be manually configured on the newly created V2X-C_n node, or the newly created V2X-C_n node can be obtained from the server that manages the V2X-C alliance.
  • the address of the V2X-C node in the V2X-C alliance can be manually configured on the newly created V2X-C_n node, or the newly created V2X-C_n node can be obtained from the server that manages the V2X-C alliance. The address of the V2X-C node in the V2X-C alliance.
  • the request message for joining the V2X-C Alliance includes the addressing information of V2X-C_n (such as the identity of V2X-C_n, or the HTTPS URL, or other addressable information), the coverage area or service area of V2X-C_n, and the service.
  • the area or coverage area can be identified in a variety of ways (such as a set of GPS coordinate points).
  • the V2X-C alliance request message also includes V2X-C_n priority information (such as active or standby) to support reliability networking; for example, V2X-C_n may deploy two active and standby A few points, V2X-C_n1 and V2X-C_n2, of which V2X-C_n1 is the primary server and V2X-C_n2 is the standby server.
  • V2X-C_n1 In the case of V2X-C_n1 failure, V2X-C_n2 takes over the functions and roles of V2X-C_n1; In this case, both V2X-C_n1 and V2X-C_n2 need to perform the process of joining the alliance as shown in Figure 3.
  • the request message for joining the V2X-C alliance sent by V2X-C_n1 includes the information in addition to the instructions described above.
  • This server is the priority information of the primary server.
  • the request message for joining the V2X-C alliance sent by V2X-C_n2 includes, in addition to the information described above, priority information indicating that the server is a backup server. Then V2X-C_1 and V2X-C_2 will contact V2X-C_n1 preferentially, and will only contact V2X-C_n2 if V2X-C_n1 is unreachable.
  • V2X-C_1 After receiving the message, V2X-C_1 returns a successful response message such as 200OK. It should be noted that, before accepting V2X-C_n's request to join the alliance, V2X-C_1 may also need to perform security-related authentication and authentication on V2X-C_n.
  • the response message may include the service area of V2X-C_1, such as a set of GPS coordinate points.
  • the V2X-C_1 node may also provide an interface for the V2X-C_n node to query the area covered or served by the V2X-C_1.
  • the V2X-C_1 node stores the addressing information of the V2X-C_n node and the service area of the V2X-C_n node.
  • V2X-C_n node repeats the above 301-303 request to join the alliance, and requests other V2X-C nodes in the V2X_C alliance to join the alliance. After the process of requesting all V2X-C nodes in the V2X_C alliance to join the alliance is completed, the V2X-C_n nodes successfully join the alliance.
  • the V2X-C_n node sends a V2X service area update message to the V2X-C_1 node, which carries the updated service area.
  • V2X-C_1 node returns a successful response
  • the V2X-C_1 node stores the coverage area or service area of the updated V2X-C_n node.
  • V2X-C_n node repeatedly initiates an update process to other V2X-C nodes in the alliance.
  • V2X-Cs can communicate with each other to form alliances. Furthermore, when the vehicle is driving across a region, it can also perform V2X communication and enjoy V2X services.
  • this application proposes a V2X communication flow in the process of vehicle cross-region driving based on the above-mentioned inventive concept and alliance architecture.
  • V2X-C_1 is the V2X central server where the vehicle is first registered or registered.
  • V2X-C_1 may be the V2X central server of Shenzhen Traffic police.
  • V2X-C_1 may be the V2X central server of Shenzhen Traffic police.
  • V2X-C_1 When a vehicle needs V2X service, it first requests V2X-C_1 for information about the V2X server that provides the V2X service, and the request message carries its own location information, vehicle identification information (such as vehicle identity number (VIN) ), Optionally, can also carry information such as location accuracy.
  • vehicle identification information such as vehicle identity number (VIN)
  • VIN vehicle identity number
  • V2X-C_1 determines the area where the vehicle is located according to the location information of the vehicle, and the V2X central server providing the area allocates a V2X area server to the vehicle. If the area where the car is located is within the coverage area of the V2X-C_1 node, the V2X-R_11 address within the coverage area of V2X-C_1 is directly returned to the vehicle.
  • the process shown in Figure 4 directly jumps to 405 and subsequent steps; if The area where the vehicle is located is not within the coverage of the V2X-C_1 node, then it is further determined that the V2X central server V2X-C_2 that provides V2X services for this area, V2X-C_1 sends a server request message to V2X-C_2, requesting V2X-C_2 to allocate the vehicle
  • the regional server carries the address information of the vehicle in the request message.
  • V2X-C_1 is the V2X central server of Shenzhen Traffic police, and the area where the car is currently located is Guangzhou city, then V2X-C_1 determines that V2X-C_2 is the V2X central server of Guangzhou Traffic police. If there are multiple V2X central servers in Guangzhou, the V2X central server with the highest priority is selected.
  • V2X-C_2 determines the V2X area server V2X-R_21 that provides service for the area where the vehicle is located according to the vehicle's location information, and returns the addressing information of V2X-R_21 to V2X-C_1.
  • the addressing information can be a logo or an address. Information routed to V2X-R_21.
  • V2X-C_1 sends the addressing information of the V2X-R_21 node to the vehicle.
  • V2X-C_1 subscribes to vehicle data from V2X-R_11 or V2X-R_21, and the 405 subscription request carries the vehicle identification.
  • the vehicle After receiving the 404 message, the vehicle communicates with the regional server (V2X-R_11 or V2X-R_21), and reports or receives V2X data.
  • the regional server V2X-R_11 or V2X-R_21
  • the regional server sends the vehicle's V2X data to the subscription data V2X-C_1, so as to realize data openness and comprehensive data analysis.
  • the communication module or communication device responsible for communicating with the V2X server, and the V2X server may be implemented by the device shown in FIG. 5.
  • the device 500 includes at least one processor 501, a communication bus 502, a memory 503, and at least one communication interface 504.
  • the processor 501 may be a general-purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more programs for controlling the execution of the program of the solution of the present invention. integrated circuit.
  • CPU central processing unit
  • ASIC application-specific integrated circuit
  • the communication bus 502 may include a path for transmitting information between the aforementioned components.
  • the communication interface 504 uses any device such as a transceiver to communicate with other devices or communication networks, such as Ethernet, radio access network (RAN), wireless local area networks (WLAN), etc. .
  • RAN radio access network
  • WLAN wireless local area networks
  • the memory 503 may be a read-only memory (ROM) or other type of static storage device that can store static information and instructions, a random access memory (random access memory, RAM), or other types that can store information and instructions
  • the dynamic storage device can also be electrically erasable programmable read-only memory (EEPROM-ready-only memory (EEPROM)), compact disc (read-only memory (CD-ROM)) or other optical disk storage, optical disk storage (Including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), disk storage media or other magnetic storage devices, or can be used to carry or store desired program code in the form of instructions or data structures and can be used by a computer Any other media accessed, but not limited to this.
  • the memory may exist independently and be connected to the processor through a bus. The memory can also be integrated with the processor.
  • the memory 503 is configured to store application program code that executes the solution of the present invention, and is controlled and executed by the processor 501.
  • the processor 501 is configured to execute application program code stored in the memory 503, so as to implement a function of a vehicle or a V2X server in the method of the present patent.
  • the processor 501 may include one or more CPUs, such as CPU0 and CPU1 in FIG. 5.
  • the apparatus 500 may include multiple processors, such as the processor 501 and the processor 508 in FIG. 5. Each of these processors may be a single-CPU processor or a multi-CPU processor.
  • a processor herein may refer to one or more devices, circuits, and / or processing cores for processing data (such as computer program instructions).
  • the apparatus 500 may further include an output device 505 and an input device 506.
  • the output device 505 is in communication with the processor 501 and can display information in a variety of ways.
  • the output device 505 may be a liquid crystal display (LCD), a light emitting diode (LED) display device, a cathode ray tube (CRT) display device, or a projector. Wait.
  • the input device 506 communicates with the processor 501 and can accept user input in a variety of ways.
  • the input device 506 may be a mouse, a keyboard, a touch screen device, or a sensing device.
  • the device 500 may be a general-purpose server or a dedicated server.
  • the device 500 may be a telematics box (T-Box) or a multi-domain controller (MDC) integrated in the vehicle.
  • the device 500 may also be a chip integrated in the vehicle, and then the function / implementation process of the communication interface 504 may also be implemented through pins or circuits, etc .
  • the memory is a storage in the chip A unit such as a register, a cache, etc., the storage unit may also be a storage unit located outside the chip.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be from a website site, computer, server, or data center Transmission by wire (for example, coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (for example, infrared, wireless, microwave, etc.) to another website site, computer, server, or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, a data center, and the like that includes one or more available medium integration.
  • the available medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (Solid State Disk (SSD)), and the like.
  • a magnetic medium for example, a floppy disk, a hard disk, a magnetic tape
  • an optical medium for example, a DVD
  • a semiconductor medium for example, a solid state disk (Solid State Disk (SSD)

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Traffic Control Systems (AREA)

Abstract

本申请提出一种车联网通信解决方案,该方案基于一种V2X中心服务器(V2XCenter,V2X-C)联盟的架构或构思,多个区域的V2X-C节点根据规划或自组织形成V2X-C联盟,联盟内的V2X-C节点互相交换各自负责的V2X服务区域信息。当车辆需要获取车联网服务时,首先连接到归属的V2X-C节点,然后V2X-C节点通过当前车辆的位置判断是否是在本V2X-C覆盖的V2X服务区域,如果是则根据车辆的地理位置,为车辆分配车辆所在区域的V2X区域服务节点,并将V2X区域服务节点的接入地址发给车辆,如果不是,则根据车辆的地理位置向其他V2X-C节点请求分配V2X区域服务节点,并将V2X区域服务节点的接入信息传递给车辆,以使车辆能够接入当前所在区域的V2X服务器,享受车联网服务。

Description

一种车联网通信解决方案
本申请要求于2018年07月27日提交中国国家知识产权局、申请号为201810843229.X、申请名称为“一种车联网通信解决方案”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信领域,尤其涉及车联网领域的一种通信解决方案,具体包括通信架构、方法和装置。
背景技术
V2X(Vehicle to Everything)车联网指的是车辆之间,或者车辆与行人或骑行者之间以及车辆与基础设施之间的通信系统。车辆利用装载在车辆上的各类传感器(如激光雷达,毫米波雷达等)、摄像头获取车辆行驶情况、系统运行状态(可以通过CAN总线反馈,如刹车状态,转向灯状态等)及周边道路环境信息(路侧系统可以广播静态或动态信息,车辆也可以内置高精度地图等),同时借助GPS或其他定位手段(如蜂窝网定位,视觉定位,惯性导航等技术)融合定位获得车辆准确位置信息,并通过短距通信和蜂窝网通信等技术将这些信息进行端对端的传输,继而实现在整个车联网系统中信息的共享。通过对这些信息的分析处理,及时对驾驶员进行路况汇报和行驶状况预警,有效提升车辆通信效率,提升车辆通信安全性。
目前业界对车联网架构的理解和认识如图1所示。车与车之间可以通过PC5接口通信,车辆还可以通过Uu接口跟V2X服务器通信;智能道路设施(如红绿灯信号机,电子指示牌等)、行人、电单车等设备也可以接入V2X服务器,实现V2X的通信。如图1所示的车联网架构中仅考虑了单一V2X服务器的组网,而在实际的V2X网络部署过程中,不同地域的部门或机构会部署各自的V2X服务器,且不同地域的V2X部署规划和进度不一致,如何实现车辆在多V2X服务器组网架构下的V2X通信,成为V2X规模商用的关键技术问题。
发明内容
本申请提出一种车联网通信解决方案,以解决跨区域,跨部门的车联网互联互通问题,使得车辆无论在何处行驶,都可以享受车联网服务。
本申请实施例提出V2X中心服务器(V2X Center,V2X-C)联盟的架构或构思,多个区域、组织或机构建设的V2X-C节点根据规划或自组织形成V2X-C联盟,联盟内的V2X-C节点互相交换各自负责的V2X服务区域信息。当车辆需要获取车联网服务时,首先连接到归属(或上牌)的V2X-C节点,然后V2X-C节点通过当前车辆的位置判断是否是在本V2X-C覆盖的V2X服务区域,如果是则根据车辆的地理位置,为车辆分配车辆所在区域的V2X区域服务节点,并将V2X区域服务节点的接入地址发给车辆,如果不是,则根据车辆的地理位置向其他V2X-C节点请求分配V2X区域服务节点,并将V2X区域服务节点的接入信息传递给车辆,以使车辆能够接入当前所在区域的V2X服 务器,享受车联网服务。
基于如上发明构思,本申请提出一种车联网通信方法,假设V2X-C联盟中包括两个中心服务器,第一中心服务器和第二中心服务器。第一中心服务器为车辆注册或登记的中心服务器。第一中心服务器接收车辆获取服务器的请求消息,所述车辆获取服务器的请求消息中包括所述车辆的标识和所述车辆的位置信息,所述车辆的位置信息所指示的位置在第二中心服务器的服务区域内;所述第一中心服务器向所述第二中心服务器发送获取服务器的请求消息,所述第一中心服务器发送的获取服务器的请求消息中包括所述车辆的位置信息;所述第一中心服务器从所述第二中心服务器接收区域服务器的寻址信息,所述区域服务器为所述第二中心服务器根据所述车辆的位置信息确定的、对所述车辆所在区域的车辆提供服务的服务器;所述第一中心服务器向所述车辆返回所述区域服务器的寻址信息。可见,通过本申请所提出的方法,即使车辆不在注册服务器,即第一中心服务器,管辖或服务的区域范围内,仍然可以获得车联网的服务,保证了车联网服务的连贯性,提升了客户的体验。
为了保证第一中心服务器能够确定或分配车辆所在区域的区域服务器,第一中心服务器接收车辆获取服务器的请求消息之前,所述第一中心服务器要接收所述第二中心服务器的服务信息,所述服务信息包括所述第二中心服务器的寻址信息和所述第二中心服务器的服务区域。
第一中心服务器是车辆注册或登记的服务器,应该保存车辆完整的注册和业务相关的信息,即使车辆在别的区域行驶,有其它的服务器为车辆提供车联网服务,第一中心服务器也应该获取到相关的业务数据。因此,所述第一中心服务器从所述第二中心服务器接收区域服务器的寻址信息之后,所述第一中心服务器向所述区域服务器订阅所述车辆的业务数据,所述订阅的请求消息中包括所述车辆的标识。
为了保证通信的可靠性,通信网络中的节点往往会进行一些冗余的部署,如设置主备的节点。比如可能部署主备两台服务器来执行第二中心服务器的功能,其中一台为主用节点,另一台为备用节点,当主用节点故障时,备用节点升级为主用节点,原主用节点故障恢复后,承担备用节点的功能。因此第一中心服务器需要同时存储有主备节点的服务信息,即主用节点的寻址信息,主用节点的服务区域还有主用节点的优先级信息(如主用标识),备用节点的寻址信息,备用节点的服务区域还有备用节点的优先级信息(如备用标识)。第一中心服务需要向第二中心服务器请求区域服务器的情况下,优先联系主用节点,当主用节点不可达(如无响应或超时)的情况下,再联系备用节点。
本申请所提出的车联网通信解决方法,涉及车联网服务器,内置或集成在车辆中的通信装置。因此,本申请还提供实现如上车联网通信方法的装置和服务器。
另外,本申请还提供一种计算机可读存储介质,所述计算机可读存储介质中存储有指令,当其在计算机上运行时,使得计算机执行上述车联网通信方法。
最后,本申请提供一种包含指令的计算机程序产品,当其在计算机上运行时,使得计算机执行上述车联网通信方法。
附图说明
图1为现有技术中一种车联网系统架构示意图;
图2为本申请实施例提供的一种车联网系统架构示意图;
图3为本申请实施例提供的一种车联网中心服务器联盟的创建流程示意图;
图4为本申请实施例提供的一种车联网漫游场景下车联网业务流程示意图;
图5为本申请实施例所采用的装置结构示意图。
具体实施方式
本申请提出一种多V2X服务器通信的架构,以及车辆在跨V2X服务区域内行驶时的V2X通信解决方案。
图2所示为本申请提出一种V2X中心服务器(V2X Center,V2X-C)联盟的架构或构思。图2中所示的V2X-C为车辆初始注册或开户登记的服务器或节点,记录车辆的开户或注册数据,还记录车辆运行数据。可选的,V2X-C可以对交警或公路监管等机构提供车辆管理的能力,车企或其它第三方应用也可以通过此服务器获取车辆运行数据。V2X区域服务器(V2X Region,V2X-R)为向车辆提供V2X服务的服务器或节点,所提供的V2X服务如V2I服务(如交通信号灯状态推送,交通时间推送等),V2V服务(如根据周边车辆上报的信息生成预警信息,并向车辆推送等)等。V2X-C所服务或覆盖的区域较大,如V2X-C_1覆盖或服务区域为深圳市,V2X-C_2覆盖或服务区域为广州市,V2X-C覆盖区域内还部署多个V2X-R,V2X-C为车辆分配V2X-R,由V2X-R直接向车辆提供V2X服务。多个V2X-C组成一个V2X-C联盟,V2X-C联盟内的V2X-C间互相存储有对方的地址和所服务或覆盖的地理区域。
当车辆需要获取车联网服务时,首先连接到牌照登记时初始配置的V2X-C或开户时初始注册的V2X-C,然后V2X-C节点通过当前车辆的位置信息判断车辆是否在本V2X-C服务的区域,如果是,则根据车辆的地理位置,为车辆分配本V2X-C服务区域内的V2X-R,如果不是,则根据车辆的地址位置向其它V2X-C节点请求分配V2X-R。V2X-C还可以向为车辆分配的V2X-R订阅车辆的运行数据或业务数据。
需要说明的是,本申请实施例中所述V2X-C服务器和V2X-C节点,为同一个V2X-C实体的两种不同称呼,从业务模型的角度考虑,由于V2X-C为车辆提供服务,因此称之为“V2X-C服务器”,从网络架构的角度考虑,由于V2X-C为网络中的一个节点,因此也可以称之为“V2X-C节点”。本申请中可能交叉使用V2X-C服务器和V2X-C节点两个名称,但本领域技术人员应该理解的是,V2X-C服务器和V2X-C节点均指向同一个V2X-C实体。同样的道理,本申请中可能也会交叉使用V2X-R服务器和V2X-R节点两个名称。另外,还需要说明的是,本申请中所提出的“V2X-C联盟”的概念,是本申请所提出的发明构思的一种可能的名称,在架构和方案实质相同的情况下,还可以称之为“V2X-C群组”或“V2X-C组织”等其它名称。
基于如上架构和发明构思,本申请实施例提出的一种可能的V2X-C联盟的建立和更新流程,如图3所示。
300:V2X-C_1和V2X-C_2为同一个V2X-C联盟中的两个V2X-C节点。一个新的V2X-C_n节点上电启动,并且准备在特定的区域内(如深圳市)提供V2X服务。
301:V2X-C_n节点要向V2X-C联盟内的V2X-C节点发起加入联盟请求。V2X-C联 盟内V2X-C节点的地址可以在新建的V2X-C_n节点手工配置,或由新建的V2X-C_n节点从管理V2X-C联盟的服务器获取,总之,本申请不限定V2X-C_n获取V2X-C联盟内V2X-C节点的地址的方式。加入V2X-C联盟的请求消息中,包括V2X-C_n的寻址信息(如V2X-C_n的标识,或HTTPS URL,或其它可寻址的信息),V2X-C_n的覆盖区域或服务区域,服务区域或覆盖区域可以用多种方式来标识(如一组GPS坐标点)。可选的,加入V2X-C联盟的请求消息中还包括V2X-C_n的优先级信息(如主用,还是备用),用于支持可靠性组网;如V2X-C_n可能部署了主备两个几点,V2X-C_n1和V2X-C_n2,其中V2X-C_n1为主用服务器,V2X-C_n2为备用服务器,在V2X-C_n1故障的情况下,V2X-C_n2接替V2X-C_n1的功能和角色;这种情况下,V2X-C_n1和V2X-C_n2都需要执行如图3所示的加入联盟的流程,V2X-C_n1发送的加入V2X-C联盟的请求消息中,除了包括如上所述的信息,还包括指示该服务器为主用服务器的优先级信息,V2X-C_n2发送的加入V2X-C联盟的请求消息中,除了包括如上所述的信息,还包括指示该服务器为备用服务器的优先级信息。则后续V2X-C_1和V2X-C_2会优先联系V2X-C_n1,在V2X-C_n1不可达的情况下,才会联系V2X-C_n2.
302:V2X-C_1收到消息后,返回200OK之类的成功响应消息。需要说明的是,V2X-C_1在接受V2X-C_n加入联盟的请求之前,可能还需要对V2X-C_n进行安全相关的鉴权和认证。可选的,响应消息中可以包括V2X-C_1的服务区域,如一组GPS坐标点。可选的,V2X-C_1节点还可以提供接口供V2X-C_n节点查询V2X-C_1覆盖或服务的区域。
303:V2X-C_1节点保存V2X-C_n节点的寻址信息和V2X-C_n节点的服务区域。
304-306:V2X-C_n节点重复上述301-303请求加入联盟的流程,向V2X_C联盟内的其它V2X-C节点请求加入联盟。向V2X_C联盟内所有V2X-C节点请求加入联盟的流程完成后,V2X-C_n节点成功加入联盟。
307:如果V2X-C_n节点成功加入联盟后,服务区域变大了,比如原来V2X-C_n只覆盖深圳市一个区的V2X业务,现在覆盖全部深圳市的V2X业务,又比如由于公路扩建,覆盖的范围新增了一条公路等,那么可以如图所示发起服务区域更新流程
308:V2X-C_n节点发送V2X服务区域更新消息给V2X-C_1节点,其中携带更新后的服务区域。
309:V2X-C_1节点返回成功响应
310:V2X-C_1节点存储更新后的V2X-C_n节点的覆盖区域或服务区域。
311-313:V2X-C_n节点重复向联盟内的其他的V2X-C节点发起更新流程。
通过如图3所示的流程,即使当V2X服务由不同机构,不同地域的管理组织建设或部署,不同的V2X-C间也能够通信,形成联盟。进而,车辆在跨区域行驶的情况下,也可以进行V2X通信,享受到V2X服务。
图4所示,为本申请基于如上发明构思、联盟架构,提出的一种车辆跨区域行驶过程中V2X通信流程。
400:为车辆配置绑定V2X-C_1的地址,V2X-C_1为车辆首次注册或登记的V2X中心服务器,例如车辆在深圳市上牌照,则V2X-C_1可能为深圳交警的V2X中心服务器。配置V2X-C_1的方式可以有多种,如通过车厂的汽车服务平台,或应用客户端等。
401:当车辆需要V2X服务时,首先向V2X-C_1请求为其提供V2X服务的V2X服务器的信息,请求消息中携带自己的位置信息,车辆标识信息(如车辆身份号码(vehicle identity number,VIN)),可选的,还可以携带位置准确度等信息。
402:V2X-C_1根据该车辆的位置信息确定该车所在的区域,并由为该区域提供服务的V2X中心服务器为车辆分配V2X区域服务器。如果该车所在的区域在V2X-C_1节点覆盖范围内,则直接返回V2X-C_1覆盖范围内的V2X-R_11地址给车辆,图4中所示流程直接跳转到405及其后面的步骤;如果该车所在的区域不在V2X-C_1节点覆盖范围内,则进一步确定为该区域提供V2X服务的V2X中心服务器V2X-C_2,V2X-C_1向V2X-C_2发送服务器请求消息,请求V2X-C_2为车辆分配区域服务器,请求消息中携带车辆的地址信息。如V2X-C_1为深圳交警的V2X中心服务器,当前该车所在区域为广州市区,则V2X-C_1确定V2X-C_2为广州交警的V2X中心服务器。如果广州市区有多个V2X中心服务器,则选择优先级最高的V2X中心服务器。
403:V2X-C_2根据车辆的位置信息确定为车辆所在区域提供服务的V2X区域服务器V2X-R_21,并将V2X-R_21的寻址信息返回给V2X-C_1,寻址信息可以是标识或地址等可以路由到V2X-R_21的信息。
404:V2X-C_1将V2X-R_21节点的寻址信息发给车辆。
405-406:可选的,V2X-C_1向V2X-R_11或V2X-R_21订阅车辆的数据,405订阅请求中携带车辆标识。
407:车辆接收到404消息后,与区域服务器(V2X-R_11或V2X-R_21)通信,上报或接收V2X数据。
408:区域服务器将车辆的V2X数据发送到订阅数据V2X-C_1,以实现数据开放和数据综合分析。
图4所示的方法流程,车辆在非归属地V2X中心服务器覆盖区域时,其注册(或归属地)的V2X中心服务器和漫游地(或拜访地)的中心服务器和区域服务器互相配合为车辆提供V2X服务,并且车辆的运行数据仍然可以由拜访地的服务器发送给注册的V2X服务器,进而实现数据开放的目的。
上述主要从架构和方法流程的角度对本发明实施例提供的方案进行了介绍。可以理解的是,车辆和V2X服务器等实体为了实现上述功能,其包含了执行各个功能相应的硬件结构和/或软件模块。本领域技术人员应该很容易意识到,结合本文中所公开的实施例描述的方法流程,本发明能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本发明的范围。
例如,如上实施例中所述的车辆中负责与V2X服务器进行通信的通信模块或通信装置,还有V2X服务器均可以由如图5所示的装置来实现。
装置500包括至少一个处理器501,通信总线502,存储器503以及至少一个通信接口504。
处理器501可以是一个通用中央处理器(central processing unit,CPU),微处理器,特定应用集成电路(application-specific integrated circuit,ASIC), 或一个或多个用于控制本发明方案程序执行的集成电路。
通信总线502可包括一通路,在上述组件之间传送信息。
通信接口504,使用任何收发器一类的装置,用于与其他设备或通信网络通信,如以太网,无线接入网(radio access network,RAN),无线局域网(wireless local area networks,WLAN)等。
存储器503可以是只读存储器(read-only memory,ROM)或可存储静态信息和指令的其他类型的静态存储设备,随机存取存储器(random access memory,RAM)或者可存储信息和指令的其他类型的动态存储设备,也可以是电可擦可编程只读存储器(electrically erasable programmable read-only memory,EEPROM)、只读光盘(compact disc read-only memory,CD-ROM)或其他光盘存储、光碟存储(包括压缩光碟、激光碟、光碟、数字通用光碟、蓝光光碟等)、磁盘存储介质或者其他磁存储设备、或者能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质,但不限于此。存储器可以是独立存在,通过总线与处理器相连接。存储器也可以和处理器集成在一起。
其中,存储器503用于存储执行本发明方案的应用程序代码,并由处理器501来控制执行。处理器501用于执行存储器503中存储的应用程序代码,从而实现本专利方法中车辆或V2X服务器的功能。
在具体实现中,作为一种实施例,处理器501可以包括一个或多个CPU,例如图5中的CPU0和CPU1。
在具体实现中,作为一种实施例,装置500可以包括多个处理器,例如图5中的处理器501和处理器508。这些处理器中的每一个可以是一个单核(single-CPU)处理器,也可以是一个多核(multi-CPU)处理器。这里的处理器可以指一个或多个设备、电路、和/或用于处理数据(例如计算机程序指令)的处理核。
在具体实现中,作为一种实施例,装置500还可以包括输出设备505和输入设备506。输出设备505和处理器501通信,可以以多种方式来显示信息。例如,输出设备505可以是液晶显示器(liquid crystal display,LCD),发光二级管(light emitting diode,LED)显示设备,阴极射线管(cathode ray tube,CRT)显示设备,或投影仪(projector)等。输入设备506和处理器501通信,可以以多种方式接受用户的输入。例如,输入设备506可以是鼠标、键盘、触摸屏设备或传感设备等。
当上述装置实现V2X服务器的功能时,装置500可以是一个通用服务器或者是一个专用服务器。
当上述装置实现本申请实施例中与车辆相关的功能时,装置500可以是集成在车辆中的车载盒子(Telematics BOX,T-Box)或多域控制器(Multi-Domian Controller,MDC)。可选的,可选的,装置500还可以是集成在车辆中的芯片,那么通信接口504的功能/实现过程还可以通过管脚或电路等来实现;所述存储器为所述芯片内的存储单元,如寄存器、缓存等,所述存储单元还可以是位于所述芯片外部的存储单元。
在上述实施例中,可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时,可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机程序指令 时,全部或部分地产生按照本发明实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中,或者从一个计算机可读存储介质向另一个计算机可读存储介质传输,例如,所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质,(例如,软盘、硬盘、磁带)、光介质(例如,DVD)、或者半导体介质(例如固态硬盘Solid State Disk(SSD))等。
以上所述的具体实施方式,对本发明的目的、技术方案和有益效果进行了进一步详细说明,本领域技术人员应该理解的是,以上所述仅为本发明的具体实施方式而已,并不用于限定本发明的保护范围,凡在本发明的技术方案的基础之上,所做的任何修改、等同替换、改进等,均应包括在本发明的保护范围之内。在权利要求中,“包括”一词不排除其他组成部分或步骤,“一”或“一个”不排除多个的情况。单个处理器或其它单元可以实现权利要求中列举的若干项功能。相互不同的从属权利要求中记载了某些措施,但这并不表示这些措施不能结合起来产生良好的效果。

Claims (18)

  1. 一种车联网通信系统,其特征在于,包括第一中心服务器和第二中心服务器,任一所述中心服务器所服务的区域内部署至少一个区域服务器,
    所述第一中心服务器用于,
    接收车辆获取服务器的信息的请求消息,所述车辆获取服务器的信息的请求消息中包括所述车辆的标识和所述车辆的位置信息,所述车辆的位置信息所指示的位置在所述第二中心服务器的服务区域内;
    向所述第二中心服务器发送获取服务器的信息的请求消息,所述第一中心服务器发送的获取服务器的信息的请求消息中包括所述车辆的位置信息;
    从所述第二中心服务器接收,并向所述车辆发送所述区域服务器的寻址信息;
    所述第二中心服务器用于,
    接收第一中心服务器发送的获取服务器的信息的请求消息,并向所述第一中心服务器发送区域服务器的寻址信息,所述区域服务器为所述第二中心服务器根据所述车辆的位置信息确定的、对所述车辆所在区域的车辆提供服务的服务器。
  2. 根据权利要求1所述的通信系统,其特征在于,所述第一中心服务器接收车辆获取服务器的信息的请求消息之前,所述第一中心服务器还用于
    接收所述第二中心服务器的服务信息,所述服务信息包括所述第二中心服务器的寻址信息和所述第二中心服务器的服务区域。
  3. 根据权利要求1或2所述的通信系统,其特征在于,所述第一中心服务器从所述第二中心服务器接收区域服务器的寻址信息之后,所述第一中心服务器还用于
    向所述区域服务器订阅所述车辆的业务数据,所述订阅的请求消息中包括所述车辆的标识。
  4. 根据权利要求2或3所述的通信系统,其特征在于,所述第二中心服务器的服务信息还包括所述第二中心服务器的优先级信息。
  5. 根据权利要求1-4任一所述的通信系统,其特征在于,所述区域服务器的寻址信息为所述区域服务器的标识或所述区域服务器的地址。
  6. 一种车联网通信方法,其特征在于,
    第一中心服务器接收车辆获取服务器的信息的请求消息,所述车辆获取服务器的信息的请求消息中包括所述车辆的标识和所述车辆的位置信息,所述车辆的位置信息所指示的位置在第二中心服务器的服务区域内;
    所述第一中心服务器向所述第二中心服务器发送获取服务器的信息的请求消息,所述第一中心服务器发送的获取服务器的信息的请求消息中包括所述车辆的位置信息;
    所述第一中心服务器从所述第二中心服务器接收区域服务器的寻址信息,所述区域服务器为所述第二中心服务器根据所述车辆的位置信息确定的、对所述车辆所在区域的车辆提供服务的服务器;
    所述第一中心服务器向所述车辆返回所述区域服务器的寻址信息。
  7. 根据权利要求6所述的方法,其特征在于,所述第一中心服务器接收车辆获取服务器的信息的请求消息之前,所述方法还包括,
    所述第一中心服务器接收所述第二中心服务器的服务信息,所述服务信息包括所述第二中心服务器的寻址信息和所述第二中心服务器的服务区域。
  8. 根据权利要求6或7所述的方法,其特征在于,所述第一中心服务器从所述第二中心服务器接收区域服务器的寻址信息之后,所述方法还包括,
    所述第一中心服务器向所述区域服务器订阅所述车辆的业务数据,所述订阅的请求消息中包括所述车辆的标识。
  9. 根据权利要求7或8所述的方法,其特征在于,所述第二中心服务器的服务信息还包括所述第二中心服务器的优先级信息。
  10. 根据权利要求6-9任一所述的方法,其特征在于,所述区域服务器的寻址信息为所述区域服务器的标识或所述区域服务器的地址。
  11. 一种车联网通信方法,其特征在于,
    第一中心服务器接收第二中心服务器发送的获取服务器的信息的请求消息,所述第二中心服务器发送的获取服务器的请求消息包括车辆的位置信息;
    所述第一中心服务器向所述第二中心服务器发送区域服务器的寻址信息,所述区域服务器为所述第一中心服务器根据所述车辆的位置信息确定的、对所述车辆所在区域的车辆提供服务的服务器。
  12. 根据权利要求11所述的方法,其特征在于,所述第一中心服务器接收第二中心服务器发送的获取服务器的信息的请求消息之前,所述方法还包括,
    所述第一中心服务器向所述第二中心服务器发送服务信息,所述服务信息包括所述第一中心服务器的寻址信息和所述第一中心服务器的服务区域。
  13. 根据权利要求12所述的方法,其特征在于,所述服务信息还包括所述第一中心服务器的优先级信息。
  14. 根据权利要求11-13任一所述的方法,其特征在于,所述区域服务器的寻址信息为所述区域服务器的标识或所述区域服务器的地址。
  15. 一种车联网通信方法,其特征在于,
    车载通信装置向第一中心服务器发送获取服务器的信息的请求消息,所述车载通信装置获取服务器的信息的请求消息中包括所述车载通信装置所属车辆的标识和所述车辆的位置信息;
    所述车载通信装置接收所述第一中心服务器返回的区域服务器的寻址信息,所述区域服务器为对所述车辆所在区域的车辆提供服务的服务器;
    所述车载通信装置向所述区域服务器上报业务数据。
  16. 一种车联网服务器,其特征在于,包括:通信接口、存储器和处理器,
    所述通信接口用于与所述车联网服务器外部的装置或设备进行通信;
    所述存储器用于存储程序;
    所述处理器用于执行所述存储器中存储的程序,当所述程序被执行时,所述车联网服务器执行如权利要求6至10,或权利要求11至14中任一项所述的方法。
  17. 一种车载通信装置,其特征在于,包括:通信接口、存储器和处理器,
    所述通信接口用于与所述车联网服务器外部的装置或设备进行通信;
    所述存储器用于存储程序;
    所述处理器用于执行所述存储器中存储的程序,当所述程序被执行时,所述车联网服务器执行如权利要求15所述的方法。
  18. 一种计算机可读存储介质,其特征在于,包括计算机指令,当所述计算机指令在计算机上运行时,使得所述计算机执行如权利要求6至15中任一项所述的方法。
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