WO2017181333A1 - 一种交通业务获取的方法及相关设备 - Google Patents

一种交通业务获取的方法及相关设备 Download PDF

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Publication number
WO2017181333A1
WO2017181333A1 PCT/CN2016/079615 CN2016079615W WO2017181333A1 WO 2017181333 A1 WO2017181333 A1 WO 2017181333A1 CN 2016079615 W CN2016079615 W CN 2016079615W WO 2017181333 A1 WO2017181333 A1 WO 2017181333A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
management center
target
service
state information
Prior art date
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PCT/CN2016/079615
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English (en)
French (fr)
Inventor
林扬波
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2016/079615 priority Critical patent/WO2017181333A1/zh
Priority to JP2018554692A priority patent/JP7097818B2/ja
Priority to EP16898923.4A priority patent/EP3429165B1/en
Priority to CN201680083230.6A priority patent/CN108702383B/zh
Publication of WO2017181333A1 publication Critical patent/WO2017181333A1/zh
Priority to US16/164,320 priority patent/US11302195B2/en

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • G08G1/164—Centralised systems, e.g. external to vehicles
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
    • G08G1/0145—Measuring and analyzing of parameters relative to traffic conditions for specific applications for active traffic flow control
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/20—Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40—Support for services or applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and related device for obtaining traffic services.
  • ITS Intelligent Transportation System
  • Traffic information can be divided into static status information and dynamic status information according to its frequency of change.
  • the road traffic information is stable for a period of time, which is called static state information, mainly including road network information, motor vehicle possession information and driver information, etc., and the information that changes constantly in time and space is called dynamic.
  • State information taking the vehicle as an example, including vehicle speed, headway time, travel time, etc., provides a basis for the traffic business required by the vehicle by collecting static state information and dynamic state information of urban road traffic.
  • the participation of the vehicle state information is required, so that it is easy to leak the private state information related to the vehicle, for example, driver information, historical driving information, etc., and information security is threatened.
  • the embodiment of the invention provides a method for acquiring traffic service and related equipment, which is used for preventing leakage of state information related to the vehicle and ensuring information security.
  • a method for obtaining traffic service is provided, and the method can be applied to a traffic system.
  • the traffic system can be an intelligent transportation system (English: Intelligent Transport System, abbreviation: ITS), and the ITS can It is used for real-time acquisition, processing and utilization of information, and provides traffic service to users accurately and timely.
  • the transportation system includes a management center and a vehicle, and the vehicle may include a first vehicle and a second vehicle, wherein the second vehicle may be A vehicle that needs to obtain transportation services can be understood as a service provided by the transportation system for the vehicle, and the first vehicle can be a second vehicle. A vehicle that provides status information.
  • an embodiment of the present invention provides a method for acquiring a traffic service, where the method is applied to a traffic system, wherein the management center receives a registration request sent by a first vehicle, and the management center allocates a first vehicle according to the registration request.
  • a temporary identification the temporary identification is used to identify the first vehicle within the coverage of the transportation system.
  • one service may involve multiple vehicles, for example, collisions, and congestion is mutual. Therefore, the second vehicle wants to acquire transportation business and needs other vehicles related to the transportation business. That is, the second vehicle may need to obtain status information of other vehicles to implement the transportation service.
  • the second vehicle may send a request message for requesting the target traffic service to the management center, and after receiving the request message, the management center determines which vehicles are related to the target traffic service,
  • the vehicles associated with the target transportation service may be the first vehicle.
  • the first vehicle is all vehicles within the peripheral preset range centered on the second vehicle.
  • the management center may also determine the target state information required by the target traffic service according to the correspondence table between the stored traffic service and the state information.
  • the management center acquires target status information of the first vehicle, the target status information carrying the temporary identification of the first vehicle.
  • the management center then forwards the target status information to the second vehicle.
  • the second vehicle obtains the target traffic service based on the state information of the first vehicle.
  • the management center determines the target state information corresponding to the target traffic service according to the stored correspondence table of the traffic service and the state information, and acquires the target state information to the first vehicle (the state information provider), and the first vehicle is determined according to the specific
  • the target traffic service provides target state information
  • the target state information carries a temporary identifier of the first vehicle, the temporary identifier does not associate with the private state information of the first vehicle (such as driver information or history) when performing the function of identifying the vehicle
  • the data information, etc. effectively prevents the leakage of the private information of the first vehicle (information provider) and improves the security of the information.
  • the registration request carries a permanent identifier
  • the permanent identifier is a unique identifier that does not change during the usage life of the first vehicle.
  • the method may further include: The management center queries the status information of the first vehicle according to the permanent identifier.
  • the prefabrication standard may be that the age is less than the first threshold, and the displacement is less than the second threshold, and the management center determines to allow the first The vehicle is registered to the transportation system.
  • whether the vehicle is a legitimate vehicle is determined by the permanent identifier carried in the registration request, and when the vehicle is determined to be a legitimate vehicle, the vehicle is allowed to enter the ITS, otherwise the vehicle will be entered into the ITS.
  • the information of the vehicle is reported to the traffic management department, which effectively reduces road traffic hazards, improves the safety of the vehicle, monitors illegal vehicles, and effectively reduces the possibility of accidents on illegal vehicles.
  • the traffic system further includes an inquiry device, where the management center associates the permanent identifier with the temporary identifier and the status information associated with the temporary identifier, and the management center receives the query request of the query device, and the query request carries the permanent identifier and/or the temporary identifier. Then, the management center determines whether the query device has the query right. When the management center determines that the query device has the query right, the management center provides the query device with the state information associated with the temporary identifier.
  • the historical traffic data of the vehicle may be queried through the associated storage of the unique permanent identifier and the temporary identifier, but Not all departments or individuals can query the historical data, but the department with authority can query the historical data, and can provide accurate and effective evidence for the judicial authorities for certain special circumstances.
  • the management center receives the logout request sent by the first vehicle, where the logout request carries the temporary identifier and/or the permanent identifier, and the management center releases the association between the permanent identifier and the temporary identifier according to the temporary identifier and/or the permanent identifier, and releases the temporary identifier. .
  • the traffic business includes an anti-collision service, a path planning service, or a road congestion pre-judgment service.
  • the corresponding relationship in the correspondence table includes: when the target traffic service is an anti-collision service, the target state information corresponding to the anti-collision service is specifically: load, direction, speed, and braking information.
  • the target traffic service is a path planning service
  • the target state information corresponding to the path planning service is specifically: a real-time location, a starting location, an ending location, and a speed.
  • the target traffic service is a road congestion pre-judgment service
  • the target state information corresponding to the road congestion pre-judgment service is specifically: real-time position, end position, direction, and speed.
  • an embodiment of the present invention provides a computer storage medium for storing computer software instructions for use in the method of the first aspect, comprising a program designed to perform the above aspects.
  • an embodiment of the present invention provides a management center, which has the functions performed by the actual management center in the foregoing method.
  • This function can be implemented in hardware or in hardware by executing the corresponding software.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • the structure of the management center includes a memory, a transceiver, and a processor.
  • Memory It is used to store computer executable program code and is coupled to a transceiver.
  • the program code includes instructions that, when executed by the processor, cause the management center to perform the information or instructions involved in the above method.
  • an embodiment of the present invention provides a method for acquiring a traffic service, where the method is applied to a traffic system, where the traffic system includes a management center, a first vehicle, and a second vehicle, where the first vehicle stores traffic traffic and status.
  • the first vehicle when the first vehicle is registered to the transportation system, the first vehicle receives a temporary identifier sent by the management center, and the temporary identifier is used to identify the first vehicle within a range covered by the traffic system, and the first vehicle receives The indication message of the target traffic service sent by the management center, the first vehicle determines the target state information corresponding to the target traffic service according to the indication message and the correspondence relationship table, and then the first vehicle sends the target state information to the management center, wherein the target The status information carries a temporary identification of the first vehicle, and the target status information is used to provide a target transportation service for the second vehicle.
  • the first vehicle determines the target state information that needs to be provided according to the correspondence relationship table between the indication message and the stored traffic service and the state information, and the target state information carries the temporary identifier of the first vehicle, and the first vehicle is based on the specific
  • the target traffic service provides target state information, which does not associate with other private information of the first vehicle (such as driver information or historical data information, etc.) when performing the function of identifying the vehicle, thereby effectively preventing the first vehicle (
  • the disclosure of private information by the information provider improves the security of the information.
  • the first vehicle sends a registration request to the management center, where the registration request carries a permanent identifier, and the permanent identifier is a unique identifier that does not change during the life cycle of the first vehicle, and the permanent identifier is used to instruct the management center to query the first
  • the status information of the vehicle is determined, and the temporary identification of the first vehicle is determined based on the status information of the first vehicle.
  • whether the vehicle is a legitimate vehicle is determined by the permanent identifier carried in the registration request, and when the vehicle is determined to be a legitimate vehicle, the temporary identifier is assigned to the vehicle, otherwise the information of the vehicle is reported to the traffic management.
  • the department has effectively reduced road traffic hazards, improved the safety of vehicles, and monitored illegal vehicles, effectively reducing the possibility of accidents on illegal vehicles.
  • the traffic business includes an anti-collision service, a path planning service, or a road congestion pre-judgment service.
  • the corresponding relationship in the correspondence table includes: when the target traffic service is an anti-collision service, the target state information corresponding to the anti-collision service is specifically: load, direction, speed, and braking information.
  • the target traffic service is a path planning service
  • the target state information corresponding to the path planning service is specifically: a real-time location, a starting location, an ending location, and a speed.
  • the target traffic service is a road congestion pre-judgment service
  • the target state information corresponding to the road congestion pre-judgment service is specifically: real-time position, end position, direction, and speed.
  • an embodiment of the present invention provides a computer storage medium for storing the computer software instructions used in the method of the fifth aspect, which comprises a program designed to execute the above aspects.
  • an embodiment of the present invention provides an in-vehicle device, which has the functions performed by the first vehicle in the actual method. This function can be implemented in hardware or in hardware by executing the corresponding software.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • the structure of the in-vehicle device includes a memory, a transceiver, and a processor.
  • the memory is for storing computer executable program code and is coupled to the transceiver.
  • the program code includes instructions that, when executed by the processor, cause the in-vehicle device to perform the information or instructions involved in the method of the fifth aspect.
  • an embodiment of the present invention provides a transportation system, where the transportation system includes: a management center, a first vehicle, and a second vehicle, wherein the management center is the management center provided by the third aspect or the fourth aspect.
  • the first vehicle is the vehicle provided in the seventh aspect or the eighth aspect described above.
  • FIG. 1 is a schematic diagram of a network framework of a transportation system according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of an embodiment of a method for acquiring a traffic service according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a scenario of an anti-collision service according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of another embodiment of a method for acquiring traffic services according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of an embodiment of a management center according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of another example of a management center according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of another embodiment of a management center according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of an example of an embodiment of an in-vehicle device according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of another embodiment of an in-vehicle device according to an embodiment of the present invention.
  • a method for obtaining traffic service is provided, and the method can be applied to a traffic system.
  • the traffic system can be an intelligent transportation system (English: Intelligent Transport System, abbreviation: ITS), and the ITS can It is used for real-time acquisition, processing and application of information, and provides traffic services to users accurately and timely.
  • the transportation system includes a management center 104, a vehicle 105, a pedestrian, a road traffic facility, etc., in the embodiment of the present invention, the transportation system The core participant management center 104 and the vehicle 105 are described.
  • the management center 104 may further include a traffic management subsystem 101, a vehicle control subsystem 102, and a traffic information subsystem 103, wherein the vehicle control subsystem 101 is responsible for safely and efficiently controlling the travel of the vehicle, and the traffic information subsystem 103 is responsible for accuracy.
  • the information of the traffic participants is collected, processed and exchanged in time, and the traffic management subsystem 102 is responsible for following up the traffic information to coordinate and control the behavior of the traffic participants.
  • the management center can have an integrated host server that implements information interaction with the vehicle 105, or each of the subsystems in the management center 104 includes a respective information management device, each information management device.
  • the functions of the subsystems are implemented, and the information is exchanged with the vehicle 105.
  • the specific implementation manner is not limited by the present invention.
  • the vehicle performs activities within the coverage of the transportation system
  • the management center may assign a temporary identifier to the vehicle registered to the transportation system, the temporary identifier is used to identify the vehicle within the coverage of the transportation system. Since the temporary identification is temporarily assigned by the transportation system when the vehicle is registered to the transportation system, the temporary identification is not associated when performing the function identifying the vehicle.
  • Other intimate state information of the vehicle for example, driver information, related historical information of the vehicle (historical driving route), etc., taking the above state information as an example, such as driver information and related historical information of the vehicle can be considered as Private information related to the vehicle, which is highly sensitive.
  • the driver information may include the driver's name, ID number, etc.
  • the relevant historical information includes the historical driving record of the vehicle, where the vehicle has been, such as a driver. Company address, home address, etc., if the information is leaked, it may give the criminals a chance to take the opportunity. Since the temporary identification does not relate to the above sensitive information, the temporary identification is used in the transportation system. Identifying the vehicle can greatly improve the security of the private information associated with the vehicle.
  • the vehicle in the transportation system may include a first vehicle and a second vehicle, wherein the second vehicle may be a vehicle that needs to obtain a traffic service, and the traffic service in the embodiment of the present invention may be understood as a service provided by the transportation system for the vehicle, for example, , path planning or anti-collision services.
  • the second vehicle wants to obtain transportation business and needs other vehicles related to the transportation business. That is, the second vehicle may need to obtain status information of other vehicles to implement the transportation service.
  • the second vehicle may send a request message for requesting the target traffic service to the management center, and after receiving the request message, the management center determines which vehicles are related to the target traffic service,
  • the vehicles associated with the target transportation service may be the first vehicle.
  • the first vehicle is all vehicles within the peripheral preset range centered on the second vehicle.
  • the management center may also determine the target state information required by the target traffic service according to the correspondence table between the stored traffic service and the state information.
  • the management center acquires target status information of the first vehicle, the target status information carrying a temporary identification of the first vehicle.
  • the management center then forwards the target status information to the second vehicle.
  • the second vehicle obtains the target traffic service based on the state information of the first vehicle.
  • the ITS in the embodiment of the present invention may be divided into regions, and the division standard may be an intelligent transportation system in an urban area, for example, a geographical area of the urban area of Shenzhen, or may also be a district.
  • the geographical scope of Baoan District is an ITS scope, or the geographic scope of a city cluster can be an ITS range.
  • the geographical areas of the three cities of Dongguan, Shenzhen, and Huizhou are The scope of an ITS, in the specific actual implementation, the geographical scope is not limited.
  • Temporary identification In the embodiment of the present invention, after the vehicle enters an ITS, the ITS allocates the vehicle a temporary identifier, and the temporary identifier is fed back to the vehicle, the temporary identifier should uniquely identify a vehicle within the scope of the ITS, so that the ITS performs unified planning and allocation, when the vehicle performs a certain part within the ITS range
  • An activity or transaction (for example, a journey from a certain point to an end point) is associated with the vehicle and remains active and unchanged throughout the activity.
  • the temporary identification of the same vehicle in different ITSs is usually different, but it may also be the same through ITS coordination. This requires the ITS to coordinate and plan the temporary identification, which is less than the global scope but larger than the single ITS. General in the area of the range.
  • the first vehicle may obtain the transportation service by using the temporary identification to represent the interaction of the relevant state information of the vehicle participating in the ITS, and the transportation service may provide reference service information for the driver.
  • the state information includes static state information and dynamic state information, wherein the static state information mainly refers to information of the vehicle that does not change with changes in time and space, for example, the vehicle type, production date, and load of the vehicle. , displacement and other information.
  • the dynamic state information mainly refers to information that can change with changes in time and space, for example, information such as speed, direction, braking, etc. of the vehicle. Since the traffic service is obtained by processing the state information, different The status information required by the traffic service is also different. The vehicle needs to provide different status information to the ITS or other vehicles in the vicinity according to different traffic services.
  • Vehicles within the coverage of the ITS can send some basic status information to the information management device in real time, and the basic status information can be understood as related information related to some of the vehicles involved in the driving process, such as real-time geographic location, etc. Information, this basic state information enables the information management device to monitor traffic conditions within the ITS in real time.
  • Traffic services can vary according to user needs, such as anti-collision services, path planning services, road congestion pre-judgment services, etc., for example, where anti-collision services are provided for vehicles within a preset range, The vehicle may have a prompt message colliding with itself, and the vehicle may evade according to the provided information.
  • the path planning service refers to the service that provides the vehicle with an optimal path from the starting point to the ending point. The main reason is that the ITS provides multiple paths for the user according to the real-time road condition information it has and provides an optimal path (for example, no congestion). )Business.
  • the road congestion pre-judgment service refers to the probability that a critical road segment may be congested within a time period from the start point to the terminal.
  • the traffic service has a corresponding relationship with the status information, and is illustrated by the following Table 1:
  • Traffic business status information Anti-collision business Load Anti-collision business Load
  • direction, speed and brake information Path planning business Real-time position, starting position, end position and speed Road congestion pre-judgment business Real-time position, end position, direction and speed
  • Table 1 is an example of the state information corresponding to each traffic service and each traffic service, and is not limited to the description.
  • the traffic service is not limited to the above three services.
  • the status information corresponding to each type of traffic service is not limited to the contents listed in Table 1 above.
  • the traffic service and corresponding status information shown in Table 1 above may be the basic status information corresponding to the traffic service.
  • the anti-collision service is taken as an example to illustrate that the basic state information of the anti-collision service is load, direction, speed and braking information, and the non-basic state information may also include the distance between the vehicle and the vehicle type. Non-basic status information such as distance and model can improve the accuracy of the anti-collision service.
  • a method for obtaining a traffic service is provided.
  • the method is applied to a traffic system, where the traffic system includes a management center, a first vehicle, and a second vehicle.
  • the management center stores a correspondence table of traffic traffic and status information as shown in Table 1 above.
  • an embodiment of the method includes:
  • Step 201 The first vehicle sends a registration request to the management center.
  • the first vehicle When the first vehicle enters the range covered by the transportation system, the first vehicle transmits a registration request for registration to the transportation system to the management center.
  • the registration request may carry the permanent identification of the first vehicle.
  • the permanent identification refers to the permanent identification of the vehicle when the vehicle is shipped from the factory, the permanent identification does not change during the life of the vehicle, and is uniquely identified on a global scale. That is to say, on a global scale, the permanent mark only represents this car. There are many ways to identify the permanent mark. For example, information such as country-region-factory time-vendor-batch-random code can be used. Mark it.
  • the form of the permanent identification is merely an example, and the specific marking method is not limited, as long as the vehicle can be uniquely marked.
  • the permanent identifier when shipped from the factory, it may be associated with the static state information of the vehicle and stored in a service platform, and the related static state information of the vehicle may be queried according to the permanent identifier.
  • Step 202 The management center receives the registration request sent by the first vehicle, and determines, according to the permanent identifier carried in the registration request, that the vehicle is allowed to register to the ITS.
  • the management center may query the service platform for static state information of the vehicle through the permanent identifier, for example, whether the vehicle is a super-year vehicle according to the date of birth of the vehicle. Or determining whether the vehicle is suitable for entering the road coverage covered by the ITS according to the vehicle type information of the vehicle. If the information stored by the service platform is missing or is stale, the vehicle management center needs to be manufactured to other functional entities (such as vehicle manufacturing). Business, vehicle testing agencies, etc.) after processing. For example, a large container truck is not allowed to enter certain roads. The management center detects that the vehicle's model, displacement, and age meet the preset criteria for entering the ITS, that is, a legitimate vehicle.
  • the management center determines that the vehicle is allowed to register.
  • the ITS if the vehicle cannot reach the preset standard, that is, an illegal vehicle, the management center sends a prompt message to the vehicle, does not allow the vehicle to enter the geographical coverage covered by the ITS, and reports relevant information of the vehicle. Go to the traffic management department.
  • whether the vehicle is a legitimate vehicle is determined by the permanent identifier carried in the registration request, and when the vehicle is determined to be a legitimate vehicle, the vehicle is allowed to enter the ITS, otherwise the information of the vehicle is reported to the traffic.
  • the management department has effectively reduced road traffic hazards, improved the safety of vehicle driving, and monitored illegal vehicles, effectively reducing the possibility of accidents involving illegal vehicles.
  • Step 203 The management center allocates a temporary identifier to the first vehicle registered to the ITS.
  • the temporary identification is used to distinguish the vehicle within the ITS, and the temporary identification is used to perform information interaction with the information management center or the vehicle and other vehicles on behalf of the vehicle.
  • the temporary identification may be assigned by the information management center to the unified planning and allocation of vehicles within the ITS.
  • Step 204 The second vehicle sends a request message for acquiring the target traffic service to the management center.
  • the target traffic business is anti-collision business, path planning business or road congestion pre-judgment business. It should be noted that, in the embodiment of the present invention, when the second vehicle is registered to the transportation system, the management center also assigns a temporary identification to the second vehicle. Therefore, the second vehicle in this step is already registered to the transportation system. vehicle.
  • Step 205 The management center receives a second vehicle sending request message, and the management center determines, according to the request message, a temporary identifier related to the target traffic service, and temporarily identifies the first vehicle corresponding to the target vehicle.
  • the management center may determine the target traffic service requested by the second vehicle according to the request message, and the target traffic service may be described by taking the anti-collision service as an example, when the management center determines the target traffic service.
  • the management center determines a temporary identifier related to the anti-collision service according to the basic traffic information grasped in real time, and the temporary identifier is used to indicate The second vehicle is the first vehicle within the central preset range.
  • Step 206 The management center determines target state information required for the target traffic service according to the request message and the correspondence relationship table.
  • the management center determines that the target traffic service is an anti-collision service according to the request message, and the management center searches for a correspondence table between the stored traffic service and the state information (as shown in Table 1 above), and obtains state information corresponding to the anti-collision service: load , direction, speed and brake information.
  • the management center determines the target traffic service as the route planning service according to the request message, and the management center searches for the corresponding relationship table between the stored traffic service and the state information (as shown in Table 1 above), and obtains the state information corresponding to the path planning service as: real-time location, Start position, end position and speed.
  • the management center determines, according to the request message, that the target traffic service is a road congestion pre-judgment service, and the management center searches for a correspondence table between the stored traffic service and the state information (as shown in Table 1 above), and obtains state information corresponding to the road congestion pre-judgment service. : Real-time position, end position, direction and speed.
  • step 205 and step 206 are not limited.
  • Step 207 The management center sends an indication message for acquiring target state information to the first vehicle.
  • the first vehicle is a plurality of vehicles related to the target traffic service.
  • the management center sends an indication message to the first vehicle within the preset range of the second vehicle periphery, and the indication message is used for An indication message indicating the start position, real-time position, end position and speed information.
  • the real-time location information of the vehicle can be used as the basic state information, which is information that needs to be sent to the traffic system in real time after the vehicle is registered to the traffic, so that the management center can grasp the traffic situation in the traffic system in real time, and therefore, the indication message It is also possible not to indicate the real-time location.
  • Step 208 After receiving the indication message, the first vehicle sends target state information to the management center, where the target state information carries the temporary identifier of the first vehicle.
  • the first vehicle After the first vehicle receives the indication message, since the indication message has specifically indicated which status information is needed, the first vehicle only needs to send the status information indicated by the indication message, instead of aiming to complete all relevant information.
  • the vehicle is sent to the vehicle to prevent the leakage of other private information (such as driver information, historical driving data).
  • the target status information carries a temporary identifier, which is used to identify the target state information that is specifically transmitted by the vehicle.
  • Step 209 The management center receives the target state information sent by the first vehicle, and sends the target state information to the second vehicle.
  • the target status information is used to provide traffic services for the second vehicle.
  • the second vehicle needs a request
  • the anti-collision service when the second vehicle receives the target state information of the first vehicle sent by the management center, the second vehicle can obtain a real-time dynamic view according to the state information of the second vehicle and the state information of the second vehicle. Specifically, the understanding is performed in conjunction with the scenario diagram shown in FIG.
  • the anti-collision service is based on the status information and the temporary identifier of the second vehicle, and the
  • the second vehicle (such as the vehicle A) is the state information and the temporary identification of the first vehicle (for example, the vehicle B, the vehicle C, the vehicle D, and the like) within the peripheral preset range of the center, and generates a real-time dynamic view 30 centered on the vehicle A.
  • the temporary identification is used to identify the vehicle on the real-time dynamic view 30.
  • the second vehicle combines the real-time dynamic view with information on the load, direction, speed, etc. of the first vehicle to avoid collisions with other vehicles.
  • the second vehicle may calculate a possible driving route of the first vehicle according to the starting position and the ending position of the first vehicle, and the second vehicle is based on the real-time position of the first vehicle.
  • the speed determines the probability that the first vehicle will reach a certain critical section, and thus the probability that a certain critical section may be congested in a certain period of time.
  • the second vehicle first determines several optional paths according to its own starting position and ending position, for example, four optional paths, according to the received end of the first vehicle. Position, direction, determine the probability that the first vehicle may pass through the four paths, the speed and real-time position of the first vehicle determine the time period during which the first vehicle travels on a certain path, and finally determine an optimal path (no congestion, vehicle least).
  • the second vehicle after the second vehicle obtains the route planning information, the second vehicle can transmit the actual travel route information to the management center after traveling on the route provided by the route planning information.
  • the temporary identification of the second vehicle and the actual travel route information may be stored in association with the management center, and the associated saved data is used as historical travel route data of the vehicle to which the second vehicle belongs.
  • the travel route planning and the actual travel route of each vehicle are information necessary for real-time traffic dispatch in traffic management, and thus the ITS can be provided with relatively accurate data.
  • Step 210 The management center stores the permanent identifier, the temporary identifier, and the status information corresponding to the temporary identifier.
  • the permanent identification is used to save the associated information of the first vehicle within the time period associated with the temporary identification.
  • the management center uniformly maintains the association information between the permanent identifier and the temporary identifier.
  • the management center may send an audit request to the first vehicle to query its permanent identifier and/or temporary identifier at any time, and then return the corresponding audit response by the first vehicle and submit the permanent identifier and/or temporary
  • the identifier is used to synchronize the association between the permanent identifier and the temporary identifier between the vehicle and the management center, so as to reduce the probability that the permanent identifier and the temporary identifier are not associated, and ensure the accuracy of the information associated with the permanent identifier and the temporary identifier.
  • the transportation system further includes an inquiry device, where the query device has the query authority.
  • the query device has the query authority.
  • the query device A request may be sent to the ITS to request a query for the temporary identification sequence of the vehicle during the time period, and then the management center extracts the sequence of the temporary identification associated with the permanent identification according to the permanent identity of the vehicle after confirming that it has the authority to make the query.
  • extracting the status information of the sequence or related traffic data, and the relevant judicial department may splicing information such as the driving path of the vehicle during the time period according to the associated traffic data.
  • the historical traffic data of the vehicle may be queried through the associated storage of the unique permanent identifier and the temporary identifier, but Not all departments or individuals can query the historical data, but the department with authority can query the historical data, and can provide accurate and effective evidence for the judicial authorities for certain special circumstances.
  • step 210 is an optional step, and may not be performed, and step 210 may be any step between step 204 and step 209, and the specific timing is not limited.
  • Step 211 The first vehicle sends a logout request to the management center.
  • the logout request carries a permanent identifier and/or a temporary identifier.
  • Step 212 The management center receives the logout request and feeds back a response to the first vehicle.
  • the response indicates whether the logout was successful, when the logout was successful
  • the management center cancels the association between the temporary identifier and the first vehicle according to the temporary identifier in the logout request, and the management center cancels the association between the temporary identifier and the permanent identifier.
  • step 211 and step 212 are optional steps and may not be performed.
  • the management center allocates a temporary identifier for the vehicle registered to the transportation system, and when the second vehicle needs the target traffic service, sends a request message to the management center, and the management center according to the correspondence between the stored traffic service and the state information
  • the table determines target state information corresponding to the target traffic service, and acquires the first vehicle (state information provider), and the first vehicle transmits the target state information.
  • the management center sends the target state information sent by the first vehicle to the second vehicle, where the first vehicle provides target state information according to the specific target traffic service, and the target state information carries the temporary identifier of the first vehicle, where the temporary identifier is
  • the function of identifying the vehicle is performed, other private information of the first vehicle (such as driver information or historical data information, etc.) is not associated, and the leakage of the private information of the first vehicle (information provider) is effectively prevented, and the disclosure is improved.
  • Information security is used to the function of identifying the vehicle.
  • the management center stores a correspondence relationship table between the traffic service and the state information.
  • the present invention provides another embodiment of the method for acquiring the traffic service.
  • a correspondence table of traffic traffic and state information is stored in the vehicle, and the vehicle includes the first vehicle and the second vehicle.
  • Steps 401 to 405 are the same as steps 201 to 205 in the embodiment corresponding to FIG. 2, and are not described herein.
  • Step 406 The management center sends an indication message of the target traffic service to the first vehicle according to the request message.
  • the management center determines the traffic service that the second vehicle needs to acquire according to the request message, and then the management center sends an indication message to the first vehicle related to the target traffic service, the indication message is used to indicate the target traffic service.
  • the target traffic service may be an anti-collision service, a path planning service, or a road congestion pre-judging service.
  • Step 407 The first vehicle receives the indication message, and determines target state information according to the indication message and the correspondence relationship table.
  • the first vehicle receives the indication message, determines the target traffic service according to the indication message, and searches for the stored correspondence table according to the target traffic service (as shown in Table 1 above) to determine the target state information corresponding to the target traffic service.
  • Step 408 The first vehicle sends the target status information to the management center.
  • the first vehicle transmits the target status information to the management center, the target status information carrying a temporary identifier of the first vehicle, the temporary identifier being used to identify which vehicle the target status information is.
  • Step 409 is the same as step 209 in the embodiment corresponding to FIG. 2, and details are not described herein.
  • the management center allocates a temporary identifier to the vehicle registered to the transportation system, and when the second vehicle needs the target traffic service, sends a request message to the management center, and the management center sends the first vehicle (state information provider)
  • the indication message of the target traffic service, the first vehicle according to the instruction The correspondence table between the message and the stored traffic service and the state information determines the target state information that needs to be provided, and the target state information carries the temporary identifier of the first vehicle, and the temporary identifier does not associate with the first vehicle when performing the function of identifying the vehicle
  • Other private information (such as driver information or historical data information) effectively prevents the leakage of private information of the first vehicle (information provider) and improves the security of the information.
  • the second vehicle obtains the target state information of the first vehicle corresponding to the target traffic service by using the management center
  • the embodiment of the present invention further provides another possible implementation manner of the method for acquiring the traffic service.
  • the second vehicle may directly acquire target state information corresponding to the target traffic service to the first vehicle.
  • the management center allocates a temporary identifier to the first vehicle.
  • the second vehicle transmits a request message for acquiring the target traffic service to the first vehicle.
  • the first vehicle stores a correspondence table of traffic traffic and status information, and the first vehicle may determine target state information corresponding to the target traffic service according to the request message and the correspondence relationship table, the target state information carrying the temporary identifier of the first vehicle.
  • the first vehicle transmits the target status information to the second vehicle.
  • the vehicle is taken as an example for description.
  • the solution in the above embodiment may also be applied to pedestrians or cyclists, and the mobile terminal or wearable device carried by the pedestrian and the management center may perform
  • the information is exchanged and permanently identified as the user's ID information.
  • the temporary identification is also based on the ITS and the pedestrians in the ITS.
  • the specific implementation is combined with the corresponding embodiment of FIG. 2, and is not described here.
  • the user can request the anti-collision service mentioned above.
  • the management center in the ITS sends the anti-collision service information to the wearable device of the user.
  • the wearable device can perform the voice broadcast to remind the user to pay attention to the traffic safety and reduce the security risk. .
  • an embodiment of the management center is provided in the embodiment of the present invention, including:
  • the receiving module 501 is configured to receive a registration request sent by the first vehicle.
  • the identifier management module 502 is configured to allocate a temporary identifier to the first vehicle according to the registration request received by the receiving module 501, and the temporary identifier is used to identify the first vehicle within a range covered by the transportation system.
  • the receiving module 501 is further configured to receive a request message sent by the second vehicle for requesting the target traffic service.
  • the storage module 503 is configured to store a correspondence table between the traffic service and the status information.
  • the first determining module 504 is configured to determine, according to the request message received by the receiving module 501, a temporary identifier related to the target traffic service, where the temporary identifier is used to indicate the first vehicle corresponding thereto, and determine, according to the correspondence relationship table, the required traffic of the target traffic service Target status information.
  • the obtaining module 505 is configured to acquire target state information from the first vehicle determined by the first determining module 504, where the target state information carries the temporary identifier of the first vehicle.
  • the sending module 506 is configured to send target state information to the second vehicle, where the target state information is used to provide the target vehicle with the target traffic service.
  • another embodiment of the management center according to the embodiment of the present invention includes:
  • the registration request carries a permanent identifier, which is permanently identified as a unique identifier that does not change during the life of the first vehicle.
  • the management center further includes a query module 507 and a second determining module 508.
  • the querying module 507 is configured to query the state information of the first vehicle according to the permanent identifier received by the receiving module 501.
  • the second determining module 508 is configured to determine that the first vehicle is allowed to register to the transportation system when the state information of the first vehicle reaches the preset standard.
  • the traffic system further includes an inquiry device
  • the management center further includes a storage module 503 and a determination module 509.
  • the storage module 503 is configured to store the permanent identifier and the temporary identifier and the status information associated with the temporary identifier.
  • the receiving module 501 is further configured to receive a query request of the query device, where the query request carries a permanent identifier and/or a temporary identifier.
  • the determining module 509 is configured to determine whether the querying device has the query right.
  • the sending module 506 is configured to, when the determining module 509 determines that the querying device has the querying right, provide the querying device with state information associated with the temporary identifier.
  • the receiving module 501 is further configured to receive a logout request sent by the first vehicle, where the logout request carries a temporary identifier and/or a permanent identifier;
  • the identifier management module 502 is further configured to release the association between the permanent identifier and the temporary identifier according to the temporary identifier and/or the permanent identifier, and release the temporary identifier.
  • a “module” herein may refer to an application-specific integrated circuit (ASIC), circuitry, a processor and memory that executes one or more software or firmware programs, integrated logic circuitry, and/or other functions that provide the functionality described above.
  • ASIC application-specific integrated circuit
  • each module may be implemented by transceiver 701, processor 702, and memory 703 of FIG.
  • the memory 703 is configured to store a correspondence table between the traffic service and the state information, and is further configured to store the computer executable program code.
  • the processor 702 is coupled to the memory 703 and the transceiver 701.
  • the program code includes instructions.
  • the instructions cause the management center to execute the method executed by the management center in the embodiment corresponding to FIG. 2.
  • Embodiments of the present invention also provide an in-vehicle device that belongs to a vehicle, and the vehicle belongs to a transportation system.
  • an embodiment of an in-vehicle device provided by an embodiment of the present invention includes:
  • the receiving module 801 is configured to receive, when the vehicle is registered to the transportation system, a temporary identifier sent by the management center, where the temporary identifier is used to identify the vehicle within a range covered by the transportation system.
  • the receiving module 801 is further configured to receive an indication message of the target traffic service sent by the management center.
  • the storage module 802 is configured to store a correspondence table between the traffic service and the state information, and is further configured to store the temporary identifier allocated by the management center received by the receiving module.
  • the determining module 803 is configured to determine target state information corresponding to the target traffic service according to the indication message received by the receiving module 801 and the correspondence relationship table stored by the storage module 802.
  • the sending module 804 is configured to send, to the management center, the target status information determined by the determining module 803, where the target status information carries a temporary identifier, and the target status information is used to provide the target vehicle with the target traffic service.
  • the sending module 804 is further configured to send a registration request to the management center, where the registration request carries a permanent identifier, and the permanent identifier is a unique identifier that does not change during the life cycle of the first vehicle, and the permanent identifier is used to indicate the management center.
  • the status information of the first vehicle is queried, and the temporary identification of the first vehicle is determined based on the status information of the first vehicle.
  • each module can be implemented by the output/input device, transceiver, processor, memory of FIG.
  • FIG. 9 is a block diagram showing a partial structure of an in-vehicle device related to a terminal provided by an embodiment of the present invention.
  • the in-vehicle device includes components such as a radio frequency (RF) circuit 910, a memory 920, an input unit 930, a display unit 940, a sensor 950, a processor 980, and a power source 990.
  • RF radio frequency
  • FIG. 9 does not constitute a limitation to the in-vehicle device, and may include more or less components than those illustrated, or a combination of certain components, or different component arrangements.
  • the RF circuit 910 can be used to receive and transmit signals during the transmission and reception of information, and in particular, to receive the received status information to the processor 980 for processing.
  • RF circuit 910 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like.
  • LNA Low Noise Amplifier
  • the memory 920 can be used to store correspondence tables, software programs, and modules of traffic traffic and status information, and the processor 980 executes various functional applications and data processing of the in-vehicle device by running software programs and modules stored in the memory 920.
  • memory 920 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
  • the input unit 930 can be configured to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the in-vehicle device.
  • the input unit 930 may include a touch panel 931 and other input devices 932.
  • the touch panel 931 also referred to as a touch screen, can collect touch operations on or near the user (such as a user using a finger, a stylus, or the like on the touch panel 931 or near the touch panel 931. Operation), and drive the corresponding connecting device according to a preset program.
  • the input unit 930 may further include He enters device 932.
  • other input devices 932 may be volume control buttons, switch buttons, and the like.
  • the display unit 940 can be used to display information input by the user or information provided to the user and various menus of the in-vehicle device.
  • the display unit 940 can include a display panel 941.
  • the display panel 941 can be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
  • the touch panel 931 can cover the display panel 941. When the touch panel 931 detects a touch operation on or near the touch panel 931, the touch panel 931 transmits to the processor 980 to determine the type of the touch event, and then the processor 980 according to the touch event. The type provides a corresponding visual output on display panel 941.
  • the touch panel 931 and the display panel 941 are two independent components to implement the input and input functions of the in-vehicle device, in some embodiments, the touch panel 931 can be integrated with the display panel 941. The input and output functions of the in-vehicle device are realized.
  • the in-vehicle device may further include at least one type of sensor 950, such as an inductive counter, a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, and the like, and details are not described herein.
  • sensor 950 such as an inductive counter, a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, and the like, and details are not described herein.
  • the processor 980 is a control center for the in-vehicle device that connects various portions of the entire in-vehicle device with various interfaces and lines, by running or executing software programs and/or modules stored in the memory 920, and recalling data stored in the memory 920. , performing various functions and processing data of the in-vehicle device to perform overall monitoring of the in-vehicle device.
  • the processor 980 may include one or more processing units; preferably, the processor 980 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, an application, and the like.
  • the modem processor primarily handles wireless communications. It will be appreciated that the above described modem processor may also not be integrated into the processor 980.
  • the in-vehicle device also includes a power source 990 (such as a battery) that supplies power to the various components.
  • a power source 990 such as a battery
  • the power source can be logically coupled to the processor 980 through a power management system to manage functions such as charging, discharging, and power management through the power management system.
  • the processor 980 causes the in-vehicle device to execute the method executed by the first vehicle in the embodiment corresponding to FIG. 4 according to the program code stored in the memory.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative
  • the division of units is only a logical function division, and the actual implementation may have another division manner.
  • multiple units or components may be combined or integrated into another system, or some features may be ignored, or not carried out.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • An integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, can be stored in a computer readable storage medium.
  • the technical solution of the present invention which is essential or contributes to the prior art, or all or part of the technical solution, may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

本发明实施例提供了一种交通业务获取的方法及相关设备，用于防止车辆的私密的状态信息泄露，保障信息安全。该方法包括：接收第一车辆发送的注册请求；根据注册请求为第一车辆分配临时标识，临时标识用于在交通系统所覆盖的范围内标识第一车辆；接收第二车辆发送的用于请求目标交通业务的请求消息；确定与目标交通业务相关的第一车辆，并根据对应关系表确定目标交通业务所需的目标状态信息；从第一车辆获取目标状态信息，目标状态信息携带临时标识；向第二车辆发送目标状态信息，目标状态信息用于为第二车辆提供目标交通业务。本发明实施例还提供了一种管理中心及车载设备，用于防止车辆的私密的状态信息泄露。

Description

一种交通业务获取的方法及相关设备 技术领域
本发明涉及通信领域，尤其涉及一种交通业务获取的方法及相关设备。
背景技术
随着社会进步和经济快速发展，城市规模、人口和机动车保有量急剧增加，随之而产生的交通拥堵、环境污染和交通安全等问题日益严重。以智能交通系统(英文：Intelligent Transportation System，缩写：ITS)为代表的交通信息化与智能化管控技术应运而生，有效提升交通运行的安全运营能力和综合服务水平。ITS是在目前已有的信息技术、通信技术和控制技术以及传感等技术上，使其能够在交通系统上进行有效的应用和集成，从而建立其大范围内发挥作用的、实时、准确、时效的交通信息系统。
交通信息按其变动频率可以分为静态状态信息和动态状态信息两种。其中道路交通信息在一段时间内稳定不变的被称为静态状态信息，主要包括路网信息、机动车保有量信息和驾驶员信息等，而在时间和空间上不断变化的信息被称为动态状态信息，以车辆为例，包括车速、车头时距、行驶时间等，通过对城市道路交通静态状态信息和动态状态信息的采集，为车辆需要的交通业务提供基础。车辆在交通系统中参与交通活动时，需要车辆状态信息的参与，因此很容易泄露与车辆相关的私密的状态信息，例如，驾驶员信息，历史行车信息等，信息安全受到威胁。
发明内容
本发明实施例提供了一种交通业务获取的方法及相关设备，用于防止与车辆相关的私密的状态信息泄露，保证信息安全。
本发明实施例中提供了一种交通业务获取的方法，该方法可以应用于一种交通系统，例如，该交通系统可以是智能交通系统(英文：Intelligent Transport System，缩写：ITS)，该ITS可以用于对信息的实时获取，处理和运用，并准确及时的为用户提供交通业务，该交通系统包括管理中心和车辆、该车辆可以包括第一车辆和第二车辆，其中，第二车辆可以是需要获取交通业务的车辆，交通业务可以理解为该交通系统为车辆提供的服务，第一车辆可以是为第二车 辆提供状态信息的车辆。
第一方面，本发明实施例提供了一种交通业务获取的方法，该方法应用于一种交通系统，其中，管理中心接收第一车辆发送的注册请求，管理中心根据注册请求为第一车辆分配临时标识，临时标识用于在交通系统所覆盖的范围内标识第一车辆。在一个交通系统中，包括多个车辆，一个业务可能涉及多个车辆，例如，碰撞，拥堵是相互的，因此，第二车辆想要获取交通业务，需要其他与该交通业务相关的车辆的帮助，也就是说，第二车辆可能需要获取其他车辆的状态信息才能实现该交通业务。当第二车辆需要获取交通业务时，第二车辆可以向管理中心发送用于请求目标交通业务的请求消息，管理中心接收到该请求消息后，确定出与该目标交通业务相关的有哪些车辆，这些与该目标交通业务相关的车辆就可以为第一车辆，以防碰撞业务为例，第一车辆就是以第二车辆为中心的周边预置范围内的所有车辆。管理中心还可以根据存储的交通业务与状态信息的对应关系表可以确定目标交通业务所需要的目标状态信息。管理中心获取第一车辆的目标状态信息，该目标状态信息携带了第一车辆的临时标识。管理中心再将目标状态信息转发给第二车辆。第二车辆根据第一车辆的状态信息得到目标交通业务。
本发明实施例中，管理中心根据存储的交通业务与状态信息的对应关系表确定出与目标交通业务对应的目标状态信息，并向第一车辆(状态信息提供方)获取，第一车辆根据具体的目标交通业务提供目标状态信息，目标状态信息携带第一车辆的临时标识，该临时标识在执行标识该车辆的功能时，不会关联第一车辆的私密的状态信息(如驾驶员信息或历史数据信息等)，有效的防止了第一车辆(信息提供方)的私密信息的泄露，提高了信息的安全性。
可选的，注册请求中携带了永久标识，永久标识为在第一车辆的使用生命周期内不发生改变的唯一标识，管理中心根据注册请求为第一车辆分配临时标识之前，方法还可以包括：管理中心根据永久标识查询第一车辆的状态信息，当第一车辆的状态信息达到预置标准时，例如，预制标准可以为年限小于第一阈值，排量小于第二阈值，管理中心确定允许第一车辆注册到交通系统。
本发明实施例中，通过该注册请求中携带的永久标识来确定车辆是否是合法车辆，当确定该车辆是合法车辆时，才允许该车辆进入该ITS内，否则将该 车辆的信息上报到交通管理部门，有效的减少了道路交通隐患，提高了车辆行驶的安全性，对非法车辆进行了监控，有效减少非法车辆上路的事故发生的可能性。
可选的，交通系统还包括查询设备，管理中心将永久标识和临时标识及与临时标识相关联的状态信息关联存储，管理中心接收查询设备的查询请求，查询请求携带永久标识和/或临时标识，然后，管理中心判断查询设备是否具有查询权限，当管理中心确定查询设备具有查询权限时，管理中心向查询设备提供与临时标识相关联的状态信息。
本发明实施例中，由于在不同的ITS中，同一个车辆被分配的临时标识可能不同，而通过唯一的永久标识和临时标识的关联存储，可以查询到该车辆的历史交通数据，但是，并不是任何部门或个人可以查询该历史数据的，而是具有权限的部门可以查询到该历史数据，可以针对某些特殊情况为司法机关提供准确有效的证据。
可选的，管理中心接收第一车辆发送的注销请求，注销请求中携带临时标识和/或永久标识，管理中心根据临时标识和/或永久标识解除永久标识和临时标识的关联，并释放临时标识。
可选的，交通业务包括防碰撞业务、路径规划业务或道路拥堵预判业务。
可选的，对应关系表中的对应关系包括：当目标交通业务为防碰撞业务时，与防碰撞业务对应的目标状态信息具体为：载重、方向、速度和制动信息。当目标交通业务为路径规划业务时，与路径规划业务对应的目标状态信息具体为：实时位置、起点位置、终点位置和速度。当目标交通业务为道路拥堵预判业务时，与路拥堵预判业务对应的目标状态信息具体为：实时位置、终点位置、方向和速度。
第二方面，本发明实施例提供了一种计算机存储介质，用于储存上述第一方面的方法所用的计算机软件指令，其包含用于执行上述方面所设计的程序。
第三方面，本发明实施例提供了一种管理中心，具有实现上述方法中实际中管理中心所执行的功能。该功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。该硬件或软件包括一个或多个与上述功能相对应的模块。
第四方面，管理中心的结构中包括存储器，收发器和处理器。其中存储器 用于存储计算机可执行程序代码，并与收发器耦合。该程序代码包括指令，当该处理器执行该指令时，该指令使该管理中心执行上述方法中所涉及的信息或者指令。
第五方面，本发明实施例提供了一种交通业务获取的方法，该方法应用于一种交通系统，交通系统包括管理中心、第一车辆和第二车辆，第一车辆存储有交通业务与状态信息的对应关系表，其中，当第一车辆注册到交通系统时，第一车辆接收管理中心发送的临时标识，临时标识用于在交通系统所覆盖的范围内标识第一车辆，第一车辆接收管理中心发送的目标交通业务的指示消息，第一车辆根据指示消息和对应关系表确定出目标交通业务所对应的目标状态信息，然后，第一车辆向管理中心发送与目标状态信息，其中，目标状态信息携带了第一车辆的临时标识，目标状态信息用于为第二车辆提供目标交通业务。
本发明实施例中，第一车辆根据该指示消息和存储的交通业务和状态信息的对应关系表确定需要提供的目标状态信息，目标状态信息携带第一车辆的临时标识，第一车辆根据具体的目标交通业务提供目标状态信息，该临时标识在执行标识该车辆的功能时，不会关联第一车辆的其他私密信息(如驾驶员信息或历史数据信息等)，有效的防止了第一车辆(信息提供方)的私密信息的泄露，提高了信息的安全性。
可选的，第一车辆向管理中心发送注册请求，注册请求携带了永久标识，永久标识为在第一车辆的使用生命周期内不发生改变的唯一标识，永久标识用于指示管理中心查询第一车辆的状态信息，并根据第一车辆的状态信息确定为第一车辆分配临时标识。
本发明实施例中，通过该注册请求中携带的永久标识来确定车辆是否是合法车辆，当确定该车辆是合法车辆时，才为该车辆分配临时标识，否则将该车辆的信息上报到交通管理部门，有效的减少了道路交通隐患，提高了车辆行驶的安全性，对非法车辆进行了监控，有效减少非法车辆上路的事故发生的可能性。
可选的，交通业务包括防碰撞业务、路径规划业务或道路拥堵预判业务。
可选的，对应关系表中的对应关系包括：当目标交通业务为防碰撞业务时，与防碰撞业务对应的目标状态信息具体为：载重、方向、速度和制动信息。当 目标交通业务为路径规划业务时，与路径规划业务对应的目标状态信息具体为：实时位置、起点位置、终点位置和速度。当目标交通业务为道路拥堵预判业务时，与路拥堵预判业务对应的目标状态信息具体为：实时位置、终点位置、方向和速度。
第六方面，本发明实施例提供了一种计算机存储介质，用于储存上述第五方面的方法所用的计算机软件指令，其包含用于执行上述方面所设计的程序。
第七方面，本发明实施例提供了一种车载设备，具有实现上述方法中实际中第一车辆所执行的功能。该功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。该硬件或软件包括一个或多个与上述功能相对应的模块。
第八方面，车载设备的结构中包括存储器，收发器和处理器。其中存储器用于存储计算机可执行程序代码，并与收发器耦合。该程序代码包括指令，当该处理器执行该指令时，该指令使该车载设备执行第五方面方法中所涉及的信息或者指令。
第九方面，本发明实施例提供了一种交通系统，交通系统包括：管理中心、第一车辆和第二车辆，其中，管理中心为上述第三方面或第四方面所提供的管理中心。或者，第一车辆为上述第七方面或第八方面提供的车辆。
附图说明
图1为本发明实施例中交通系统的网络框架示意图；
图2为本发明实施例中交通业务获取的方法的一个实施例示意图；
图3为本发明实施例中防碰撞业务的场景示意图；
图4为本发明实施例中交通业务获取的方法的另一个实施例示意图；
图5为本发明实施例中管理中心的一个实施例的结构示意图；
图6为本发明实施例中管理中心的另一个实施例的例结构示意图；
图7为本发明实施例中管理中心的另一个实施例的例结构示意图；
图8为本发明实施例中车载设备的一个实施例的例结构示意图；
图9为本发明实施例中车载设备的另一个实施例的例结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的 实施例。基于本发明中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”、“第三”、“第四”等(如果存在)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。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的实施例能够以除了在这里图示或描述的内容以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
本发明实施例中提供了一种交通业务获取的方法，该方法可以应用于一种交通系统，例如，该交通系统可以是智能交通系统(英文：Intelligent Transport System，缩写：ITS)，该ITS可以用于对信息的实时获取，处理和运用，并准确及时的为用户提供交通业务，该交通系统包括管理中心104、车辆105、行人、道路交通设施等，本发明实施例中以该交通系统的核心参与者管理中心104和车辆105进行说明。例如，可以参阅图1所示的交通系统网络框架示意图100，该交通系统可以包括管理中心104和车辆105。其中，该管理中心104又可以包括交通管理子系统101、车辆控制子系统102和交通信息子系统103，其中，车辆控制子系统101负责安全高效地控制车辆的行驶，交通信息子系统103负责准确及时地采集、处理和交换交通参与者的信息，交通管理子系统102负责跟进交通信息对交通参与者的行为进行协调和控制。可以理解的是，该管理中心可以具有一个集成的主机服务器，该主机服务器实现与车辆105的信息交互，或者，该管理中心104中的每个子系统中包括各自的信息管理设备，各信息管理设备实现所属子系统的功能，与车辆105进行信息交互，对于在实际应用中，具体的实现方式本发明不限定。
本发明实施例中，车辆在交通系统所覆盖的范围内进行活动，管理中心可以为注册到该交通系统的车辆分配临时标识，该临时标识用于在该交通系统所覆盖的范围内标识该车辆，由于该临时标识是车辆注册到该交通系统时，交通系统临时分配的，因此，该临时标识在执行标识该车辆的功能时，不会关联该 车辆的其他私密的状态信息，例如，驾驶员信息，该车辆的相关历史信息(历史行车路径)等，以上述的状态信息为例，如驾驶员信息和该车辆的相关历史信息都可以认为是与车辆相关的私密信息，这些信息敏感度较高，比如，驾驶员信息可以包括驾驶员的姓名，身份证号码等，相关历史信息包括车辆的历史行车记录，该车辆去过哪里，如驾驶人员的公司地址，家庭地址等，这些信息如果泄露可能会给不法分子可乘之机，由于该临时标识不会关联上述这些敏感度较高的信息，因此，临时标识在该交通系统内，用于标识该车辆，可以极大的提高与车辆相关的私密信息的安全性。交通系统内的车辆可以包括第一车辆和第二车辆，其中，第二车辆可以是需要获取交通业务的车辆，本发明实施例中的交通业务可以理解为该交通系统为车辆提供的服务，例如，路径规划或防碰撞服务等。在一个交通系统中，包括多个车辆，一个服务可能涉及多个车辆，例如，碰撞，拥堵是相互的，因此，第二车辆想要获取交通业务，需要其他与该交通业务相关的车辆的帮助，也就是说，第二车辆可能需要获取其他车辆的状态信息才能实现该交通业务。当第二车辆需要获取交通业务时，第二车辆可以向管理中心发送用于请求目标交通业务的请求消息，管理中心接收到该请求消息后，确定出与该目标交通业务相关的有哪些车辆，这些与该目标交通业务相关的车辆就可以为第一车辆，以防碰撞业务为例，第一车辆就是以第二车辆为中心的周边预置范围内的所有车辆。管理中心还可以根据存储的交通业务与状态信息的对应关系表可以确定目标交通业务所需要的目标状态信息。管理中心获取第一车辆的目标状态信息，该目标状态信息携带第一车辆的临时标识。管理中心再将目标状态信息转发给第二车辆。第二车辆根据第一车辆的状态信息得到目标交通业务。
为了便于理解，下面对上述提及的某些名词进行简要说明：
交通系统的覆盖范围：本发明实施例中的ITS可以以地域进行划分，划分标准可以以一个市区的地域范围为一个智能交通系统，例如，深圳市区的地域范围，或者也可以以一个区为一个ITS的范围，例如，宝安区的地域范围为一个ITS的范围，或者也可以以一个城市集群的地域范围为一个ITS的范围，例如，东莞，深圳，惠州这三个城市的地域范围为一个ITS的范围，在具体的实际实现方式中，地域范围不做限定。
临时标识：本发明实施例中，车辆进入一个ITS后，该ITS为该车辆分配 一个临时标识，并将该临时标识反馈给该车辆，该临时标识应在该ITS范围内唯一地标识一个车辆，因此由该ITS进行统一的规划和分配，当车辆在该ITS范围内进行某个活动或事务(例如，从某个起点到某个终点的一次行驶)时与车辆关联，并在该活动的过程中一直保持有效和不变。同一车辆在不同ITS中的临时性标识通常不同，但也可能经ITS间协调保持相同，这就需要由这些可以相互协调的ITS统一规划和分配该临时标识，从而在小于全球范围但大于单个ITS范围的区域内通用。第一车辆接收到临时标识后，该第一车辆可以以该临时标识代表该车辆参与在该ITS内的相关状态信息的交互，获取交通业务，该交通业务可以为驾驶员提供参考服务信息。
状态信息即包括静态状态信息，又包括动态状态信息，其中，静态状态信息主要是指随着的时间和空间的变化不发生改变的该车辆的信息，例如，该车辆的车型、生产日期、载重、排量等信息。动态状态信息主要是指可以随着时间和空间的变化发生改变的信息，例如，车辆的速度、方向、制动等信息，由于交通业务是通过将状态信息进行处理后得到的，因此，不同的交通业务所需要的状态信息也不相同，车辆需要根据不同的交通业务向ITS或周边的其他车辆提供不同的状态信息。
在该ITS覆盖范围内的车辆都可以向该信息管理设备实时发送一些基础的状态信息，该基础的状态信息可以理解为与该车辆行驶过程中所涉及的一些的相关信息，例如实时地理位置等信息，这个基础的状态信息可以使信息管理设备实时监控该ITS内的交通情况。
交通业务可以根据用户的需求不同而不同，例如，防碰撞业务，路径规划业务，道路拥堵预判业务等等，例如，其中，防碰撞服务是为车辆提供在一个预置范围内，周边的多个车辆可能发生与自身发生碰撞的提示信息，该车辆可以根据提供的信息进行避让。路径规划服务是指为车辆提供一个从起点到终点的最优路径的服务，主要是由ITS根据其掌握的实时路况信息为用户提供多个路径，并提供一个的最优路径(例如，不拥堵)的业务。道路拥堵预判业务是指该车辆从起点到终端的过程中，某一个关键路段在一个时间段内可能发生拥堵的概率。
交通业务与状态信息具有对应关系，通过下表1进行举例说明：
表1
交通业务 状态信息
防碰撞业务 载重、方向、速度和制动信息
路径规划业务 实时位置、起点位置、终点位置和速度
道路拥堵预判业务 实时位置、终点位置、方向和速度
需要说明的是，上述表1是对各交通业务及各交通业务所对应的状态信息的举例说明，而并非限制性说明，首先交通业务不局限于上述三种业务。其次，每种交通业务所对应的状态信息也不局限于上述表1中所列的内容，上述表1所展示的交通业务与对应的状态信息可以为该交通业务所对应的基础状态信息，以防碰撞业务为例说明，防碰撞业务的基础的状态信息为载重、方向、速度和制动信息，非基础的状态信息还可以包括车距，车型等。车距和车型等非基础的状态信息可以提高该防碰撞业务的准确率。
为了便于理解，下面对本发明实施例进行具体描述，本发明实施例中提供了一种交通业务获取的方法，该方法应用于交通系统，该交通系统包括管理中心，第一车辆和第二车辆，管理中心存储有如上表1所示的交通业务与状态信息的对应关系表。请参阅图2所示，该方法的一个实施例包括：
步骤201、第一车辆向管理中心发送注册请求。
当第一车辆进入到该交通系统所覆盖的范围内，第一车辆向管理中心发送用于注册到该交通系统的注册请求，可选的，该注册请求可以携带该第一车辆的永久标识。
可以理解的是，该永久标识是指该车辆在出厂时，生产商已经为该车辆标记的永久标识，该永久标识在车量的使用生命周期内不会改变，而且为在全球范围内唯一标识，也就是说在全球范围内，该永久标识只代表这一辆车，该永久标识的标识方法可以有很多种，例如，可以以国家-地域-出厂时间-厂商-批次-随机码等信息进行标记。此处对于永久标识的形式只是举例说明，具体的标记方法不做限定，只要能满足唯一标记该车辆均可。
例如，该永久标识在出厂时，可以以该车辆的静态状态信息进行关联保存在一个服务平台，并且可以通过该服务平台根据该永久标识查询到该车辆的相关静态状态信息。
步骤202、管理中心接收该第一车辆发送的注册请求，并根据该注册请求中携带的永久标识确定允许该车辆注册到该ITS。
当管理中心接收到该第一车辆的注册请求时，管理中心通过该永久标识可以在服务平台查询该车辆的静态状态信息，例如，可以根据该车辆的成产日期确定该车辆是否是超年限车辆，或者根据该车辆的车型信息确定该车辆是否适合进入该ITS所覆盖的道路范围，如果该服务平台保存的信息有所缺失或者已经陈旧，那么该车辆管理中心需要向其它功能实体(例如车辆制造商、车辆检测机构等)查询后处理。例如，大型的集装箱货车不允许进入某些道路行驶，管理中心检测到该车辆的车型、排量、年限符合进入该ITS的预置标准，即为合法车辆，则管理中心确定允许该车辆注册到该ITS，若该车辆不能达到该预置标准，即为非法车辆，该管理中心向该车辆发出提示信息，不允许该车辆进入该ITS所覆盖的地域范围内，并将该车辆的相关信息上报到交通管理部门。
本发明实施例中，通过该注册请求中携带的永久标识来确定车辆是否是合法车辆，当确定该车辆是合法车辆时，才允许该车辆进入该ITS内，否则将该车辆的信息上报到交通管理部门，有效的减少了道路交通隐患，提高了车辆行驶的安全性，对非法车辆进行了监控，有效减少非法车辆上路的事故发生的可能性。
步骤203、管理中心为注册到ITS的该第一车辆分配临时标识。
该临时标识用于在该ITS内区分该车辆，并且该临时标识用于代表该车辆与该信息管理中心或该车辆与其他车辆进行信息交互。该临时标识可以是信息管理中心对ITS内的车辆统一规划和分配的进行分配的。
步骤204、第二车辆向管理中心发送用于获取目标交通业务的请求消息。
目标交通业务为防碰撞业务、路径规划业务或道路拥堵预判业务等。需要说明的是，本发明实施例中，当第二车辆注册到该交通系统时，管理中心同样会为第二车辆分配临时标识，因此，本步骤的第二车辆是已经注册到该交通系统的车辆。
步骤205、管理中心接收第二车辆发送请求消息，该管理中心根据该请求消息确定与目标交通业务相关的临时标识，临时标识所对应的第一车辆。
管理中心接收第二车辆发送的请求消息后，根据该请求消息可以确定该第二车辆所请求的目标交通业务，目标交通业务可以以防碰撞业务为例进行说明，当管理中心确定出目标交通业务为防碰撞业务后，管理中心根据实时掌握的基础交通信息确定与该防碰撞业务相关的临时标识，该临时标识用于指示以 第二车辆为中心预置范围内的第一车辆。
步骤206、管理中心根据请求消息和对应关系表确定目标交通业务所需的目标状态信息。
例如，管理中心根据请求消息确定目标交通业务为防碰撞业务，管理中心查找存储的交通业务与状态信息的对应关系表(如上表1所示)，得到与防碰撞业务对应的状态信息为：载重、方向、速度和制动信息。
管理中心根据请求消息确定目标交通业务为路径规划业务，管理中心查找存储的交通业务与状态信息的对应关系表(如上表1所示)，得到与路径规划业务对应的状态信息为：实时位置、起点位置、终点位置和速度。
管理中心根据请求消息确定目标交通业务为道路拥堵预判业务，管理中心查找存储的交通业务与状态信息的对应关系表(如上表1所示)，得到与道路拥堵预判业务对应的状态信息为：实时位置、终点位置、方向和速度。
需要说明的是，步骤205和步骤206的具体时序不做限定。
步骤207、管理中心向第一车辆发送用于获取目标状态信息的指示消息。
该第一车辆为与目标交通业务相关的多个车辆，例如，当目标交通业务为防碰撞业务时，管理中心向第二车辆周边预置范围内的第一车辆发送指示消息，指示消息用于指示取起点位置，实时位置，终点位置和速度信息的指示消息。可选的，车辆的实时位置信息可以作为基础的状态信息，是车辆注册到该交通后，需要实时向交通系统发送的信息，以便于管理中心实时掌握交通系统内的交通情况，因此，指示消息也可以不指示实时位置。
步骤208、第一车辆接收该指示消息后，向管理中心发送目标状态信息，该目标状态信息携带第一车辆的临时标识。
第一车辆接收到指示消息后，由于该指示消息已经具体的指示出需要哪些状态信息，因此，第一车辆只需要发送指示消息所指示的状态信息，而不是无目的的将自己相关的信息全部发送给车辆，防止了其他私密信息(如，驾驶员信息，历史行车数据)的泄露，该目标状态信息中携带临时标识，该临时标识用于标识具体是哪个车辆发送的目标状态信息。
步骤209、管理中心接收到第一车辆发送的目标状态信息，并将该目标状态信息发送给第二车辆。
该目标状态信息用于为第二车辆提供交通业务。例如，第二车辆需要请求 的是防碰撞业务，当第二车辆接收到管理中心发送的第一车辆的目标状态信息时，第二车辆可以根据自己的状态信息和第二车辆的状态信息得到实时动态视图。具体的，请结合图3所示的场景示意图进行理解，管理中心接收第一车辆发送的防碰撞业务的请求消息后，由于防碰撞业务根据第二车辆的状态信息和临时标识，和以该第二车辆(如车辆A)为中心的周边预置范围内的第一车辆(例如，车辆B、车辆C、车辆D等)的状态信息和临时标识，生成以车辆A为中心的实时动态视图30，临时标识用于在该实时动态视图30上标识车辆。第二车辆结合该实时动态视图和第一车辆的载重、方向、速度等信息避免与其他车辆产生碰撞。
例如，若该目标交通业务为道路拥堵预判业务，第二车辆可以根据第第一车辆的起点位置和终点位置计算第一车辆的可能的行车路径，第二车辆根据第一车辆的实时位置和速度判定第一车辆到达某一个关键路段的概率，进而可以对某一个关键路段在某一个时间段内车辆可能发生拥堵的概率。
若该目标交通业务为路径规划业务时，第二车辆先根据自己的起始位置和终点位置确定几条可选的路径，例如可选路径有4条，在根据接收到的第一车辆的终点位置、方向，确定第一车辆可能经过这4条路径的概率，第一车辆的速度和实时位置判定第一车辆行驶在某一条路径上的时间段，最后确定一条最优路径(不拥堵，车辆最少)。
路径规划交通业务的例子当中，当第二车辆得到路径规划信息之后，在路径规划信息提供的路径行驶，该第二车辆可以将实际行驶路径信息发送给管理中心。该第二车辆的临时性标识和实际行驶路径信息可以被该管理中心关联保存，关联保存的数据作为该第二车辆所属车辆的历史行驶路径数据。
本发明实施例中，各个车辆的行驶路径规划和实际行驶路径是交通管理中进行实时流量调度所必需的信息，因此可以为ITS提供相对准确的数据。
需要说明的是，上述几种情况均是举例子说明，而并非限定，在实际应用中，对于具体的实现方式本发明不做限定。
步骤210、管理中心将永久标识、临时标识及与临时标识对应的状态信息关联存储。
永久标识用于保存与临时标识关联的时间段内的第一车辆的关联信息。由管理中心统一维护永久标识与临时标识的关联信息。
可选的，该管理中心可以随时向第一车辆发送审计请求查询其永久性标识和/或临时性标识，然后由该第一车辆返回对应的审计响应并提交该永久性标识和/或临时性标识，从而在该车辆与管理中心之间同步该永久标识与该临时标识的关联，以降低永久标识和临时标识未关联的概率，保证永久标识与临时标识所对应关联的信息准确率。
可选的，该交通系统还包括查询设备，该查询设备具有查询权限，例如，如果有需要完整了解某个车辆某时段内的行驶路径，司法机关需要跟踪危险品运输车辆行程，那么，查询设备可以向ITS发送请求申请查询该车辆在该时段内的临时性标识序列，然后管理中心在确认其有权限做此查询后，根据该车辆的永久标识提取与该永久标识关联保存的临时标识的序列，或者提取出该序列的状态信息或相关交通数据，有关的司法部门就可以根据该关联交通数据拼接出该车辆在该时段内的行驶路径等信息。
本发明实施例中，由于在不同的ITS中，同一个车辆被分配的临时标识可能不同，而通过唯一的永久标识和临时标识的关联存储，可以查询到该车辆的历史交通数据，但是，并不是任何部门或个人可以查询该历史数据的，而是具有权限的部门可以查询到该历史数据，可以针对某些特殊情况为司法机关提供准确有效的证据。
需要说明的是，步骤210是一个可选步骤，可以不执行，而且步骤210可以在步骤204至步骤209之间的任一步骤，具体的时序不做限定。
步骤211、第一车辆向管理中心发送注销请求。
该注销请求中携带永久标识和/或临时标识。
步骤212、管理中心接收注销请求，向第一车辆反馈响应。
该响应指示注销是否成功，当注销成功时，
管理中心根据该注销请求中的临时标识取消该临时标识和该第一车辆的关联，管理中心取消临时标识与永久标识的关联。
需要说明的是，步骤211和步骤212是可选步骤，可以不执行。
本发明实施例中，管理中心为注册到该交通系统的车辆分配临时标识，当第二车辆需要目标交通业务时，向管理中心发送请求消息，管理中心根据存储的交通业务与状态信息的对应关系表确定出与目标交通业务对应的目标状态信息，并向第一车辆(状态信息提供方)获取，第一车辆将目标状态信息发送 给管理中心，管理中心将第一车辆发送的目标状态信息发送给第二车辆，第一车辆根据具体的目标交通业务提供目标状态信息，目标状态信息携带第一车辆的临时标识，该临时标识在执行标识该车辆的功能时，不会关联第一车辆的其他私密信息(如驾驶员信息或历史数据信息等)，有效的防止了第一车辆(信息提供方)的私密信息的泄露，提高了信息的安全性。
在上述图2对应的实施例中，管理中心存储有交通业务和状态信息的对应关系表，下面请请参阅图4所示，本发明提供了交通业务获取方法的另一个实施例，该实施例中，车辆中存储有交通业务和状态信息的对应关系表，车辆包括第一车辆和第二车辆。
步骤401至步骤405与图2对应的实施例中的步骤201至205相同，此处不赘述。
步骤406、管理中心根据请求消息，向第一车辆发送目标交通业务的指示消息。
管理中心根据请求消息确定该第二车辆需要获取的交通业务，然后，管理中心向与目标交通业务相关的第一车辆发送指示消息，该指示消息用于指示该目标交通业务。
例如，该目标交通业务可以为防碰撞业务、路径规划业务或道路拥堵预判业务等。
步骤407、第一车辆接收该指示消息，并根据该指示消息和对应关系表确定目标状态信息。
第一车辆接收指示消息，根据该指示消息确定目标交通业务，根据目标交通业务查找存储的对应关系表(如上表1所示)，确定与该目标交通业务对应的目标状态信息。
步骤408、第一车辆向管理中心发送目标状态信息。
第一车辆向管理中心发送该目标状态信息，该目标状态信息携带第一车辆的临时标识，该临时标识用于标识该目标状态信息是哪个车辆的。
步骤409与图2对应的实施例中的步骤209相同，此处不赘述。
本发明实施例中，管理中心为注册到该交通系统的车辆分配临时标识，当第二车辆需要目标交通业务时，向管理中心发送请求消息，管理中心向第一车辆(状态信息提供方)发送该目标交通业务的指示消息，第一车辆根据该指示 消息和存储的交通业务和状态信息的对应关系表确定需要提供的目标状态信息，目标状态信息携带第一车辆的临时标识，该临时标识在执行标识该车辆的功能时，不会关联第一车辆的其他私密信息(如驾驶员信息或历史数据信息等)，有效的防止了第一车辆(信息提供方)的私密信息的泄露，提高了信息的安全性。
可选的，上述实施例中，第二车辆通过管理中心获取与目标交通业务对应的第一车辆的目标状态信息，本发明实施例还提供了交通业务获取的方法的另一种可能的实现方式，而实际的应用中，第二车辆可以直接向第一车辆获取与目标交通业务对应的目标状态信息，具体的，当第一车辆注册到该交通系统时，管理中心为第一车辆分配临时标识，第二车辆向第一车辆发送用于获取目标交通业务的请求消息。第一车辆存储有交通业务和状态信息的对应关系表，第一车辆可以根据请求消息和对应关系表确定与目标交通业务对应的目标状态信息，该目标状态信息携带第一车辆的临时标识。第一车辆将该目标状态信息发送给第二车辆。
上面实施例中，是以车辆为例进行说明，而在实际应用中，上述实施例中的方案也可以推广应用于行人或骑车人，行人所携带的移动终端或可穿戴设备与管理中心进行信息交互，永久标识为用户的身份证信息，临时标识也是ITS根据ITS内的车辆和行人进行统一规划和分配，具体的实现方式结合图2对应的实施例进行理解，此处不赘述。
应用于行人的应用场景，用户可以请求上述的防碰撞业务，ITS中的管理中心将防碰撞业务信息发送到用户的可穿戴设备，可穿戴设备可以进行语音播报提醒用户注意交通安全，减少安全隐患。
上面对本发明实施例中的交通业务获取的方法进行了具体描述，下面对该方法应用的管理中心进行具体描述，请参阅图5，本发明实施例中提供了管理中心的一个实施例包括：
接收模块501，用于接收第一车辆发送的注册请求。
标识管理模块502，用于根据接收模块501接收的注册请求为第一车辆分配临时标识，临时标识用于在交通系统所覆盖的范围内标识第一车辆。
接收模块501，还用于接收第二车辆发送的用于请求目标交通业务的请求消息。
存储模块503，用于存储交通业务与状态信息的对应关系表。
第一确定模块504，用于根据接收模块501接收的请求消息确定与目标交通业务相关的临时标识，临时标识用于指示与其对应的第一车辆；并根据对应关系表确定目标交通业务所需的目标状态信息。
获取模块505，用于从第一确定模块504确定的第一车辆获取目标状态信息，目标状态信息携带第一车辆的临时标识。
发送模块506，用于向第二车辆发送目标状态信息，目标状态信息用于为第二车辆提供目标交通业务。
可选的，在图5对应的实施例的基础上，请参阅图6所示，本发明实施例提供了管理中心的另一个实施例包括：
注册请求携带永久标识，永久标识为在第一车辆的使用生命周期内不发生改变的唯一标识，管理中心还包括查询模块507和第二确定模块508。
查询模块507，用于根据接收模块501接收的永久标识查询第一车辆的状态信息。
第二确定模块508，用于当第一车辆的状态信息达到预置标准时，确定允许第一车辆注册到交通系统。
可选的，交通系统还包括查询设备，管理中心还包括存储模块503和判断模块509。
存储模块503，用于将永久标识和临时标识及与临时标识相关联的状态信息关联存储。
接收模块501，还用于接收查询设备的查询请求，查询请求携带永久标识和/或临时标识。
判断模块509，用于判断查询设备是否具有查询权限。
发送模块506，用于当判断模块509确定查询设备具有查询权限时，向查询设备提供与临时标识相关联的状态信息。
可选的，接收模块501，还用于接收第一车辆发送的注销请求，注销请求中携带临时标识和/或永久标识；
标识管理模块502，还用于根据临时标识和/或永久标识解除永久标识和临时标识的关联，并释放临时标识。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述 的模块的具体工作过程，可以参考前述图2对应的方法实施例中的对应过程，在此不再赘述。
进一步的，图5和图6中的装置是以功能模块的形式来呈现。这里的“模块”可以指特定应用集成电路(application-specific integrated circuit，ASIC)，电路，执行一个或多个软件或固件程序的处理器和存储器，集成逻辑电路，和/或其他可以提供上述功能的器件。在一个简单的实施例中，各模块可以通过图7的收发器701、处理器702和存储器703来实现。
存储器703，用于存储交通业务与状态信息的对应关系表，还用于存储计算机可执行程序代码。
处理器702，与存储器703和收发器701耦合。
其中程序代码包括指令，当处理器702执行指令时，指令使管理中心执行图2对应的实施例中的管理中心所执行的方法。
本发明实施例还提供了一种车载设备，该车载设备属于车辆，该车辆属于交通系统。请参阅图8所示，本发明实施例提供的车载设备的一个实施例包括：
接收模块801，用于当车辆注册到交通系统时，接收管理中心发送的临时标识，临时标识用于在交通系统所覆盖的范围内标识车辆。
接收模块801，还用于接收管理中心发送的目标交通业务的指示消息。
存储模块802，用于存储交通业务与状态信息的对应关系表，还用于存储接收模块接收的管理中心分配的临时标识。
确定模块803，用于根据接收模块801接收的指示消息和存储模块802存储的对应关系表确定与目标交通业务所对应的目标状态信息。
发送模块804，用于向管理中心发送确定模块803确定的目标状态信息，目标状态信息携带临时标识，目标状态信息用于为目标车辆提供目标交通业务。
可选的，发送模块804，还用于向管理中心发送注册请求，注册请求携带永久标识，永久标识为在第一车辆的使用生命周期内不发生改变的唯一标识，永久标识用于指示管理中心查询第一车辆的状态信息，并根据第一车辆的状态信息确定为第一车辆分配临时标识。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的模块的具体工作过程，可以参考前述图4对应的方法实施例中的对应过程， 在此不再赘述。
进一步的，图8中的装置是以功能模块的形式来呈现。这里的“模块”可以指特定应用集成电路(application‐specific integrated circuit，ASIC)，电路，执行一个或多个软件或固件程序的处理器和存储器，集成逻辑电路，和/或其他可以提供上述功能的器件。在一个简单的实施例中，各模块可以通过图9的输出/输入设备，收发器、处理器、存储器来实现。
如图9所示，为了便于说明，仅示出了与本发明实施例相关的部分，具体技术细节未揭示的，请参照本发明实施例方法部分。
图9示出的是与本发明实施例提供的终端相关的车载设备的部分结构的框图。参考图9，车载设备包括：射频(Radio Frequency，RF)电路910、存储器920、输入单元930、显示单元940、传感器950、处理器980、以及电源990等部件。本领域技术人员可以理解，图9中示出的车载设备结构并不构成对车载设备的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。
下面结合图9对车载设备的各个构成部件进行具体的介绍：
RF电路910可用于收发信息过程中，信号的接收和发送，特别地，将接收到的状态信息给处理器980处理。通常，RF电路910包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器(Low Noise Amplifier，LNA)、双工器等。
存储器920可用于存储交通业务与状态信息的对应关系表、软件程序以及模块，处理器980通过运行存储在存储器920的软件程序以及模块，从而执行车载设备的各种功能应用以及数据处理。此外，存储器920可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
输入单元930可用于接收输入的数字或字符信息，以及产生与车载设备的用户设置以及功能控制有关的键信号输入。具体地，输入单元930可包括触控面板931以及其他输入设备932。触控面板931，也称为触摸屏，可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板931上或在触控面板931附近的操作)，并根据预先设定的程式驱动相应的连接装置。可选的，除了触控面板931，输入单元930还可以包括其 他输入设备932。具体地，其他输入设备932可以音量控制按键、开关按键等。
显示单元940可用于显示由用户输入的信息或提供给用户的信息以及车载设备的各种菜单。显示单元940可包括显示面板941，可选的，可以采用液晶显示器(Liquid Crystal Display，LCD)、有机发光二极管(Organic Light-Emitting Diode,OLED)等形式来配置显示面板941。进一步的，触控面板931可覆盖显示面板941，当触控面板931检测到在其上或附近的触摸操作后，传送给处理器980以确定触摸事件的类型，随后处理器980根据触摸事件的类型在显示面板941上提供相应的视觉输出。虽然在图9中，触控面板931与显示面板941是作为两个独立的部件来实现车载设备的输入和输入功能，但是在某些实施例中，可以将触控面板931与显示面板941集成而实现车载设备的输入和输出功能。
车载设备还可包括至少一种传感器950，比如感应计数器，陀螺仪、气压计、湿度计、温度计、红外线传感器等其他传感器，在此不再赘述。
处理器980是车载设备的控制中心，利用各种接口和线路连接整个车载设备的各个部分，通过运行或执行存储在存储器920内的软件程序和/或模块，以及调用存储在存储器920内的数据，执行车载设备的各种功能和处理数据，从而对车载设备进行整体监控。可选的，处理器980可包括一个或多个处理单元；优选的，处理器980可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器980中。车载设备还包括给各个部件供电的电源990(比如电池)，优选的，电源可以通过电源管理系统与处理器980逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。
在本发明实施例中，处理器980根据存储器所存储的程序代码使车载设备执行图4对应的实施例中第一车辆所执行的方法。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统，装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统，装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性 的，例如，单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或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中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上，以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (20)

  1. 一种交通业务获取的方法，其特征在于，该方法应用于一种交通系统，所述交通系统包括管理中心、第一车辆和第二车辆，所述管理中心存储有交通业务与状态信息的对应关系表，所述方法包括：
    所述管理中心接收所述第一车辆发送的注册请求；
    所述管理中心根据所述注册请求为所述第一车辆分配临时标识，所述临时标识用于在所述交通系统所覆盖的范围内标识所述第一车辆；
    所述管理中心接收所述第二车辆发送的用于请求所述目标交通业务的请求消息；
    所述管理中心确定与所述目标交通业务相关的临时标识，所述临时标识用于指示所对应的第一车辆；并根据所述对应关系表确定所述目标交通业务所需的目标状态信息；
    所述管理中心从所述第一车辆获取所述目标状态信息，所述目标状态信息携带所述临时标识；
    所述管理中心向所述第二车辆发送所述目标状态信息，所述目标状态信息用于为所述第二车辆提供所述目标交通业务。
  2. 根据权利要求1所述的方法，其特征在于，所述注册请求携带永久标识，所述永久标识为在所述第一车辆的使用生命周期内不发生改变的唯一标识，所述管理中心根据所述注册请求为所述第一车辆分配临时标识之前，所述方法还包括：
    所述管理中心根据所述永久标识查询所述第一车辆的状态信息；
    当所述第一车辆的状态信息达到预置标准时，所述管理中心确定允许所述第一车辆注册到所述交通系统。
  3. 根据权利要求2所述的方法，其特征在于，所述交通系统还包括查询设备，所述管理中心根据所述注册请求为所述第一车辆分配临时标识之后，所述方法还包括：
    所述管理中心将所述永久标识和所述临时标识及与所述临时标识相关联的状态信息关联存储；
    所述管理中心接收所述查询设备的查询请求，所述查询请求携带所述永久标识和/或临时标识；
    所述管理中心判断所述查询设备是否具有查询权限；
    当所述管理中心确定所述查询设备具有查询权限时，所述管理中心向所述查询设备提供与所述临时标识相关联的状态信息。
  4. 根据权利要求2或3所述的方法，其特征在于，所述方法还包括：
    所述管理中心接收所述第一车辆发送的注销请求，所述注销请求中携带所述临时标识和/或永久标识；
    所述管理中心根据所述临时标识和/或永久标识解除所述永久标识和所述临时标识的关联，并释放所述临时标识。
  5. 根据权利要求1至4任一项所述的方法，其特征在于，所述交通业务包括防碰撞业务、路径规划业务或道路拥堵预判业务。
  6. 根据权利要求5所述的方法，其特征在于，所述对应关系表中的对应关系包括：
    当所述目标交通业务为防碰撞业务时，与所述防碰撞业务对应的目标状态信息具体为：载重、方向、速度和制动信息；
    当所述目标交通业务为路径规划业务时，与所述路径规划业务对应的目标状态信息具体为：实时位置、起点位置、终点位置和速度；
    当所述目标交通业务为道路拥堵预判业务时，与所述路拥堵预判业务对应的目标状态信息具体为：实时位置、终点位置、方向和速度。
  7. 一种交通业务获取的方法，其特征在于，该方法应用于一种交通系统，所述交通系统包括管理中心、第一车辆和第二车辆，所述第一车辆存储有交通业务与状态信息的对应关系表，所述方法包括：
    当所述第一车辆注册到所述交通系统时，所述第一车辆接收所述管理中心发送的临时标识，所述临时标识用于在所述交通系统所覆盖的范围内标识所述第一车辆；
    所述第一车辆接收所述管理中心发送的目标交通业务的指示消息；
    所述第一车辆根据所述指示消息和所述对应关系表确定所述目标交通业务所对应的目标状态信息；
    所述第一车辆向所述管理中心发送与所述目标状态信息，所述目标状态信息携带所述第一车辆的临时标识，所述目标状态信息用于为第二车辆提供所述目标交通业务。
  8. 根据权利要求7所述的方法，其特征在于，所述第一车辆接收所述管理中心发送的临时标识之前，所述方法还包括：
    所述第一车辆向所述管理中心发送注册请求，所述注册请求携带永久标识，所述永久标识为在所述第一车辆的使用生命周期内不发生改变的唯一标识，所述永久标识用于指示所述管理中心查询所述第一车辆的状态信息，并根据所述第一车辆的状态信息确定为所述第一车辆分配所述临时标识。
  9. 根据权利要求7或8所述的方法，其特征在于，所述交通业务包括防碰撞业务、路径规划业务或道路拥堵预判业务。
  10. 根据权利要求9所述的方法，其特征在于，所述对应关系表中的对应关系包括：
    当所述目标交通业务为防碰撞业务时，与所述防碰撞业务对应的目标状态信息具体为：载重、方向、速度和制动信息；
    当所述目标交通业务为路径规划业务时，与所述路径规划业务对应的目标状态信息具体为：实时位置、起点位置、终点位置和速度；
    当所述目标交通业务为道路拥堵预判业务时，与所述路拥堵预判业务对应的目标状态信息具体为：实时位置、终点位置、方向和速度。
  11. 一种管理中心，其特征在于，该管理中心应用于一种交通系统，所述交通系统包括、第一车辆和第二车辆，所述管理中心包括：
    接收模块，用于接收所述第一车辆发送的注册请求；
    标识管理模块，用于根据所述接收模块接收的所述注册请求为所述第一车辆分配临时标识，所述临时标识用于在所述交通系统所覆盖的范围内标识所述第一车辆；
    所述接收模块还用于接收所述第二车辆发送的用于请求所述目标交通业务的请求消息；
    存储模块，用于存储交通业务与状态信息的对应关系表；
    第一确定模块，用于根据所述接收模块接收的所述请求消息确定与所述目标交通业务相关的临时标识，所述临时标识用于指示与其对应的第一车辆；并根据所述对应关系表确定所述目标交通业务所需的目标状态信息；
    获取模块，用于从所述第一确定模块确定的第一车辆获取所述目标状态信息，所述目标状态信息携带所述第一车辆的临时标识；
    发送模块，用于向所述第二车辆发送所述目标状态信息，所述目标状态信息用于为所述第二车辆提供所述目标交通业务。
  12. 根据权利要求11所述的管理中心，其特征在于，所述注册请求携带永久标识，所述永久标识为在所述第一车辆的使用生命周期内不发生改变的唯一标识，所述管理中心还包括查询模块和第二确定模块：
    所述查询模块，用于根据所述接收模块接收的所述永久标识查询所述第一车辆的状态信息；
    所述第二确定模块，用于当所述状态信息达到预置标准时，确定允许所述第一车辆注册到所述交通系统。
  13. 根据权利要求12所述的管理中心，其特征在于，所述交通系统还包括查询设备，所述管理中心还包括判断模块；
    所述存储模块，还用于将所述永久标识和所述临时标识及与所述临时标识相关联的状态信息关联存储；
    所述接收模块，还用于接收所述查询设备的查询请求，所述查询请求携带所述永久标识和/或临时标识；
    所述判断模块，用于判断所述查询设备是否具有查询权限；
    所述发送模块，还用于当所述判断模块确定所述查询设备具有查询权限时，向所述查询设备提供与所述临时标识相关联的状态信息。
  14. 根据权利要求12或13所述的管理中心，其特征在于，
    所述接收模块，还用于接收所述第一车辆发送的注销请求，所述注销请求中携带所述临时标识和/或永久标识；
    所述标识管理模块，还用于根据所述临时标识和/或永久标识解除所述永久标识和所述临时标识的关联，并释放所述临时标识。
  15. 一种车载设备，其特征在于，包括：
    接收模块，用于当所述车辆注册到所述交通系统时，接收管理中心发送的临时标识，所述临时标识用于在所述交通系统所覆盖的范围内标识所述车辆；
    所述接收模块，还用于接收所述管理中心发送的目标交通业务的指示消息；
    存储模块，用于存储交通业务与状态信息的对应关系表；
    确定模块，用于根据所述接收模块接收的所述指示消息和所述存储模块存 储的所述对应关系表确定与所述目标交通业务所对应的目标状态信息；
    发送模块，用于向所述管理中心发送与所述目标状态信息，所述目标状态信息携带所述临时标识，所述目标状态信息用于为目标车辆提供所述目标交通业务。
  16. 根据权利要求15所述的车载设备，其特征在于，
    所述发送模块，还用于向所述管理中心发送注册请求，所述注册请求携带永久标识，所述永久标识为在所述第一车辆的使用生命周期内不发生改变的唯一标识，所述永久标识用于指示所述管理中心查询所述第一车辆的状态信息，并根据所述第一车辆的状态信息确定为所述第一车辆分配所述临时标识。
  17. 一种管理中心，其特征在于，应用于一种交通系统，所述管理中心包括：
    存储器，用于存储程序指令；
    收发器，用于接收和发送信息；以及
    处理器，与所述存储器和所述收发器耦合；
    所述处理器执行所述程序指令，用于使所述管理中心执行如权利要求1至6任一项所述的方法。
  18. 一种车载设备，其特征在于，应用于车辆，所述车辆应用于一种交通系统，包括：
    输出/输入设备，收发器、处理器、存储器和总线；
    所述输出/输入设备，收发器、处理器和存储器通过所述总线连接；
    所述输出/输入设备，用于输出和输入信息；
    所述存储器，用于存储程序指令；
    所述收发器，用于接收和发送信息；
    所述处理器执行所述程序指令，用于使所述可穿戴设备执行如权利要求7至10任一项所述的方法。
  19. 一种交通系统，其特征在于，包括：管理中心、第一车辆和第二车辆，所述管理中心存储有交通业务与状态信息的对应关系表，所述管理中心为如权利要求11至14任一项所述的管理中心；
    所述第一车辆向所述管理中心发送的注册请求；
    所述管理中心根据所述注册请求为所述第一车辆分配临时标识，所述临时 标识用于在所述交通系统所覆盖的范围内标识所述第一车辆；
    所述第二车辆向所述管理中心发送用于请求所述目标交通业务的请求消息；
    所述管理中心根据所述请求消息确定与所述目标交通业务相关的临时标识，所述标识用于指示与其对应的第一车辆，并根据所述对应关系表确定所述目标交通业务所需的目标状态信息；
    所述管理中心从所述第一车辆获取所述目标状态信息，所述目标状态信息携带所述第一车辆的临时标识；
    所述管理中心向所述第二车辆发送所述目标状态信息，所述目标状态信息用于为所述第二车辆提供所述目标交通业务。
  20. 一种交通系统，其特征在于，包括：管理中心、第一车辆和第二车辆，所述第一车辆包括如权利要求15或16项所述的车载设备，所述车载设备存储有交通业务和状态信息的对应关系表；
    当所述第一车辆注册到所述交通系统时，所述第一车辆接收所述管理中心发送的临时标识，所述临时标识用于在所述交通系统所覆盖的范围内标识所述第一车辆；
    所述管理中心向所述第一车辆发送的目标交通业务的指示消息；
    所述第一车辆根据所述指示消息和所述对应关系表确定所述目标交通业务所对应的目标状态信息，所述目标状态信息携带所述第一车辆的临时标识；
    所述第一车辆向所述管理中心发送所述目标状态信息；
    所述管理中心接收所述目标状态信息，并向所述第二车辆发送所述目标状态信息。
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