CN116774260A

CN116774260A - Vehicle positioning method and device and related equipment

Info

Publication number: CN116774260A
Application number: CN202210220134.9A
Authority: CN
Inventors: 涂奎; 王宇欣; 魏艺乔
Original assignee: China Mobile Communications Group Co Ltd; China Mobile Shanghai ICT Co Ltd; CM Intelligent Mobility Network Co Ltd
Current assignee: China Mobile Communications Group Co Ltd; China Mobile Shanghai ICT Co Ltd; CM Intelligent Mobility Network Co Ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2023-09-19

Abstract

The invention provides a vehicle positioning method, a device and related equipment, which are applied to a vehicle, wherein the method comprises the following steps: acquiring a service account number and current position information of a vehicle; under the condition that the positioning platform is successfully logged in based on the service account, current position information of the vehicle is sent to the positioning platform; receiving differential positioning information generated by the positioning platform based on the current position information and satellite positioning signals generated by satellites; and generating positioning information according to the differential positioning information and the satellite positioning signals. According to the invention, the vehicle-road cooperative platform distributes the service account number through the positioning request of the vehicle terminal, the vehicle terminal can acquire the differential positioning information based on the current position information after directly logging in the positioning platform through the service account number, and the high-precision positioning of the vehicle is realized according to the differential positioning information and satellite positioning signals generated by satellites, so that the flow of vehicle positioning service is reduced, and the effect of optimizing the vehicle positioning service is realized.

Description

Vehicle positioning method and device and related equipment

Technical Field

The embodiment of the invention relates to the technical field of communication, in particular to a vehicle positioning method, a vehicle positioning device and related equipment.

Background

The position is an indispensable basic information from the mobile internet to the internet of things/internet of vehicles, but for the application requirements of the refined industry, only the positioning information with higher precision can bring higher value, so that people can know the position of things/vehicles more precisely and provide services for people and things/vehicles better. At present, a vehicle is usually positioned with high precision by using a vehicle road cooperative system, but if the vehicle needs high-precision positioning service when the vehicle uses the vehicle road cooperative application, the vehicle needs to simultaneously open the service and the high-precision positioning service of the vehicle road cooperative application, so that a user needs to simultaneously find a plurality of suppliers to open a plurality of services, and the positioning service cannot be independently provided among the plurality of suppliers, so that the service is complicated when the positioning service is provided for the vehicle.

Disclosure of Invention

The embodiment of the invention provides a vehicle positioning method, a vehicle positioning device and related equipment, which are used for solving the problem of complicated service when positioning services are provided for a vehicle.

To solve the above problems, the present invention is achieved as follows:

in a first aspect, an embodiment of the present invention provides a vehicle positioning method, applied to a vehicle, where the method includes:

Acquiring a service account number and current position information of a vehicle;

under the condition that the positioning platform is successfully logged in based on the service account, current position information of the vehicle is sent to the positioning platform;

receiving differential positioning information generated by the positioning platform based on the current position information and satellite positioning signals generated by satellites;

and generating positioning information according to the differential positioning information and the satellite positioning signals.

Optionally, the obtaining the service account includes:

when the vehicle needs to perform positioning service, a positioning request is sent to a vehicle-road cooperative platform;

and receiving a service account number generated by the vehicle-road cooperation platform based on the positioning request.

Optionally, the receiving the vehicle-road collaboration platform generates a service account based on the positioning request, including:

sending a use request of the vehicle-road cooperative application to the vehicle-road cooperative platform, wherein the use request comprises the ID of the vehicle and information of the vehicle-road cooperative application required to be used;

and receiving a service account matched based on the use request, wherein the precision priority of the service account is determined according to the vehicle-road cooperative application, and the precision priority is used for representing the positioning precision of the vehicle.

Optionally, the sending a positioning request to the vehicle-road collaboration platform includes:

transmitting service authority information to a vehicle-road cooperative platform, wherein the service authority information is used for verifying the use authority of the vehicle on the vehicle-road cooperative platform;

and when receiving a verification result of the vehicle-road cooperative platform on the service authority information and the verification result represents that the vehicle passes the use authority of the vehicle-road cooperative platform, sending a positioning request to the vehicle-road cooperative platform.

Optionally, the initiating a positioning request to the vehicle-road collaboration platform includes:

acquiring positioning accuracy matched with a preset scene under the condition that the current position information represents that the vehicle is located in the preset scene;

initiating a positioning request to the vehicle-road cooperative platform according to the positioning precision;

generating positioning information according to the differential positioning information and the satellite positioning signals, including: and generating positioning information according to the positioning precision, the satellite positioning signals and the positioning precision, wherein the positioning information is used for indicating the current position information of the vehicle.

Optionally, the obtaining positioning accuracy matched with the preset scene when the current position information characterizes that the vehicle is located in the preset scene includes:

And under the condition that the current position information represents that the vehicle is located in a preset area, acquiring positioning accuracy matched with the preset area.

In a second aspect, an embodiment of the present invention provides an account management method, which is applied to a vehicle-road collaboration platform, where the method includes:

receiving a positioning request sent by a vehicle;

and generating a service account number based on the positioning request, and sending the service account number to the vehicle, wherein the service account number is used for logging in a positioning platform so that the vehicle sends the current position information of the vehicle to the positioning platform.

Optionally, the generating a service account based on the positioning request and sending the service account to the vehicle includes:

receiving a use request of the vehicle-road cooperative application sent by the vehicle, wherein the use request comprises the ID of the vehicle and information of the vehicle-road cooperative application requested to be used;

and based on the use request matching with a service account, sending the service account to the vehicle, wherein the precision priority of the service account is determined according to the vehicle-road cooperative application.

Optionally, the receiving the positioning request sent by the vehicle includes:

receiving service authority information sent by the vehicle, wherein the service authority information is used for verifying the use authority of the vehicle on the vehicle-road cooperative platform;

Verifying the service authority information to generate a verification result, and sending the verification result to the vehicle;

and when the verification result is that the vehicle passes, receiving a positioning request sent by the vehicle.

Optionally, the generating a service account based on the positioning request and sending the service account to the vehicle, where the service account is used for the vehicle to send the current location information of the vehicle to a positioning platform, includes:

generating a service account based on the positioning request;

receiving current position information sent by a vehicle, and sending the current position information of the vehicle to the positioning platform through the service account;

receiving differential positioning information generated by the positioning platform based on the current position information;

and sending the differential positioning information to the vehicle, wherein the differential positioning information is used for generating positioning information.

Optionally, after receiving the positioning request sent by the vehicle, the method further includes:

transmitting the current position information of the vehicle to the positioning platform through an SDK interface according to the positioning request;

In a third aspect, an embodiment of the present invention further provides a vehicle positioning device, including:

the first processor is used for acquiring the service account number and the current position information of the vehicle; and generating positioning information according to the differential positioning information and the satellite positioning signals.

The first transceiver is used for sending the current position information of the vehicle to the positioning platform under the condition that the positioning platform is successfully logged in based on the service account number;

and receiving the differential positioning information and satellite positioning signals generated by the positioning platform based on the current position information.

In a fourth aspect, an embodiment of the present invention further provides an account management device, including:

a second processor for generating a service account based on the location request;

the second transceiver is used for receiving the positioning request sent by the vehicle; and sending the service account number to the vehicle, wherein the service account number is used for logging in a positioning platform so that the vehicle sends the current position information of the vehicle to the positioning platform.

In a fifth aspect, an embodiment of the present invention further provides a communication device, including: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor; wherein the processor is configured to read a program in the memory to implement the steps of the method according to the first aspect; or, as in the method of the second aspect described above.

In a sixth aspect, embodiments of the present invention further provide a readable storage medium storing a program, where the program when executed by a processor implements the steps of the method according to the first aspect, or implements the steps of the method according to the second aspect.

In an embodiment of the invention, a vehicle positioning method, a device, a communication device and a readable storage medium are provided, and the method is applied to a vehicle and comprises the following steps: acquiring a service account number and current position information of a vehicle, wherein the service account number is used for determining the positioning accuracy of the vehicle; under the condition that the positioning platform is successfully logged in based on the service account, current position information of the vehicle is sent to the positioning platform; receiving differential positioning information and satellite positioning signals generated by the positioning platform based on the current position information; and generating positioning information according to the differential positioning information and the satellite positioning signals. According to the invention, the vehicle-road cooperative platform distributes the service account number through the positioning request of the vehicle terminal, the vehicle terminal can acquire the differential positioning information based on the current position information after directly logging in the positioning platform through the service account number, and the high-precision positioning of the vehicle is realized according to the differential positioning information and satellite positioning signals generated by satellites, so that the flow of the vehicle positioning service is reduced, and the effect of optimizing the vehicle positioning service is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.

FIG. 1 is a schematic flow chart of a vehicle positioning method according to an embodiment of the present invention;

fig. 2 is a flow chart of an account management method according to an embodiment of the present invention;

FIG. 3 is a system block diagram provided by an embodiment of the present invention;

FIG. 4 is a schematic view of a vehicle positioning device according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an account management device according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a communication device according to an embodiment of the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The terms "first," "second," and the like in embodiments of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, the use of "and/or" in the present application means at least one of the connected objects, such as a and/or B and/or C, means 7 cases including a alone a, B alone, C alone, and both a and B, both B and C, both a and C, and both A, B and C.

The following describes a vehicle positioning method, a device, a communication device and a readable storage medium provided by the embodiment of the application.

Referring to fig. 1, fig. 1 is a flowchart of a vehicle positioning method according to an embodiment of the present application. The vehicle positioning method shown in fig. 1 may be executed by a vehicle, specifically, may be executed by a vehicle terminal in the vehicle, where the vehicle terminal is configured to calculate high-precision position information of the terminal through received satellite positioning signals and information of a high-precision positioning service, and report the real-time high-precision position information to a vehicle-road coordination platform, where the vehicle terminal may communicate with a road side device through a PC5 interface, or may communicate with a cellular communication network through a Uu interface.

As shown in fig. 1, the vehicle positioning method may include the steps of:

and 101, acquiring a service account number and current position information of the vehicle.

In this embodiment, the service account number is used for logging in and using a positioning platform, and preferably, the positioning platform is a high-precision positioning platform, and the high-precision positioning platform determines the positioning precision of the vehicle according to different grades of the service account number. The service account numbers are distributed through the vehicle-road cooperation platform, and the vehicle terminal logs in the high-precision positioning platform according to the service account numbers and uses the high-precision positioning platform after receiving the service account numbers. In the prior art, a plurality of positioning platforms cannot be associated uniformly, so that unified management of a vehicle-road cooperation platform and the plurality of positioning platforms can be realized through service accounts, and different positioning platforms can be used through different service accounts by way of example. Specifically, the account information of the service account is included in a high-precision positioning service account list, which includes a high-precision positioning service account, a password, a precision level and a use state thereof, as shown in table 1, and the table 1-bit high-precision positioning service account list can be used for distributing service accounts for vehicles with different needs, so that flexible distribution is realized. The current position information of the vehicle is acquired by the vehicle terminal, and it should be noted that the current position information is a rough position of the vehicle, and the high-precision positioning platform can realize high-precision positioning of the vehicle through the rough position and other information.

Sequence number	High-precision positioning service account	Password code	Precision level	Use state
					1	abcd001	Coijv9*k	Centimeter level (RTK)	Idle
2	abcd002	7bkjsc＝q	Sub-meter (RTD)	In use
					…	…	…	…	…

TABLE 1

Step 102, under the condition that the positioning platform is successfully logged in based on the service account, the current position information of the vehicle is sent to the positioning platform.

In this embodiment, after the vehicle terminal obtains the service account number and the password corresponding to the service account number allocated by the vehicle-road cooperation platform, the vehicle terminal logs in the high-precision positioning platform, and after successful login, the vehicle terminal periodically sends the current rough position to the high-precision positioning platform.

Step 103, differential positioning information generated by the positioning platform based on the current position information and satellite positioning signals generated by satellites are received.

In this embodiment, the positioning platform performs calculation processing after receiving the rough position sent by the vehicle-mounted terminal, and periodically broadcasts corresponding differential positioning information to the vehicle-mounted terminal. The satellite positioning signals are generated by satellite-to-local positioning and are conventional satellite positioning signals.

And 104, generating positioning information according to the differential positioning information and the satellite positioning signals.

In this embodiment, the positioning information is a high-precision position of the vehicle, and specifically, the vehicle-mounted terminal calculates the high-precision position of the vehicle terminal according to the received satellite positioning signal and differential positioning information; the vehicle-mounted terminal is used for compensating the measurement error of the satellite positioning signal according to the received differential positioning information, and the positioning accuracy of the terminal is improved. After the positioning is finished, the vehicle-mounted terminal can not use the vehicle-road cooperative application, or the vehicle-road cooperative application to be used is changed, and the changed vehicle-road cooperative application does not need a high-precision position, or the vehicle-mounted terminal enters the range of the area which does not need high-precision positioning service, and at the moment, the terminal does not need high-precision position service; the change of the application can be reported to the vehicle-road cooperative platform by the terminal, or the vehicle-road cooperative platform detects the application related to the unused high-precision position of the vehicle within a time threshold. When the terminal no longer needs to use the high-precision positioning service account, the account management module of the vehicle-road cooperative platform withdraws the account, and the use state of the account is set to be idle in a high-precision positioning service account list; because the vehicle-mounted terminal acquires the password of the account, the account management module can initiate password modification to the high-precision positioning platform in order to ensure that the account is not stolen.

According to the vehicle positioning method, the high-precision positioning service is used interactively between the vehicle and the high-precision platform through the vehicle road cooperative platform by distributing the service account matched with the vehicle requirement, so that the vehicle can calculate high-precision position information through satellite positioning signals and differential positioning information, and the vehicle positioning method is used for vehicle road cooperative application. The function of providing flexibly selected high-precision positioning service for the vehicle is realized, and the positioning precision and the user experience of the vehicle are improved.

In another embodiment, optionally, the obtaining a service account includes: when the vehicle needs to perform positioning service, a positioning request is sent to a vehicle-road cooperative platform; and receiving a service account number generated by the vehicle-road cooperation platform based on the positioning request.

The vehicle-mounted terminal initiates an access request to the vehicle-road cooperative platform, and the vehicle-mounted terminal and the vehicle-road cooperative platform establish communication connection. After connection is completed, the vehicle-mounted terminal starts to use the vehicle-road cooperative application, and in the period, the vehicle-mounted terminal can initiate a positioning request to the vehicle-road cooperative platform, at the moment, the vehicle-road cooperative platform can distribute a service account number according to the accuracy of the positioning request of the vehicle-mounted terminal, and the vehicle-mounted terminal can log in the high-accuracy positioning platform through the service account number to perform high-accuracy positioning. It should be noted that, before sending the positioning service, the vehicle may determine whether there is a need for high-precision positioning service, and when there is a need for high-precision positioning service, the vehicle may send a positioning request to the vehicle-road collaboration platform.

Optionally, the receiving the vehicle-road collaboration platform generates a service account based on the positioning request, including: sending a use request of the vehicle-road cooperative application to the vehicle-road cooperative platform, wherein the use request comprises the ID of the vehicle and information of the vehicle-road cooperative application required to be used; and receiving a service account matched based on the use request, wherein the precision priority of the service account is determined according to the vehicle-road cooperative application, and the precision priority is used for representing the positioning precision of the vehicle.

In this embodiment, the vehicle-mounted terminal sends a use request to the vehicle-road cooperative platform, where the use request includes a request message, and the request message includes an ID of the vehicle-mounted terminal and a vehicle-road cooperative application that the vehicle wants to use. The service management module of the vehicle-road cooperative platform determines the positioning precision requirement required by the application according to the application required by the vehicle-mounted terminal, and the high-precision positioning service account number and the corresponding password of a corresponding idle precision level are taken out from the high-precision positioning service account number list according to the required positioning precision appointed account number management module, are distributed to the vehicle-mounted terminal, and are used in a state; specifically, the precision level is divided into centimeter level and sub-meter level, usually centimeter level service is through RTK technology, sub-meter level service is through RTD technology, the application that needs centimeter level positioning precision mainly has autopilot, remote driving etc., the application that needs sub-meter level positioning precision mainly has intelligent rearview mirror, intelligent ETC etc..

Optionally, the sending a positioning request to the vehicle-road collaboration platform includes: transmitting service authority information to a vehicle-road cooperative platform, wherein the service authority information is used for verifying the use authority of the vehicle on the vehicle-road cooperative platform; and when receiving a verification result of the vehicle-road cooperative platform on the service authority information and the verification result represents that the vehicle passes the use authority of the vehicle-road cooperative platform, sending a positioning request to the vehicle-road cooperative platform.

In this embodiment, the vehicle-road collaboration platform stores service rights of each vehicle-mounted terminal in the service management module, when the vehicle-mounted terminal requests to use the vehicle-road collaboration application, the vehicle-road collaboration platform queries the rights of the terminal and generates a verification result, and when the verification result is passed, it indicates that the vehicle meets positioning conditions, for example, the vehicle has paid positioning fee or the vehicle belongs to a member, etc. And when the verification result is that the vehicle passes, the vehicle terminal sends a positioning request to the vehicle-road cooperative platform for positioning.

Further, the initiating a positioning request to the vehicle-road collaboration platform includes:

acquiring positioning accuracy matched with a preset scene under the condition that the current position information represents that the vehicle is located in the preset scene; initiating a positioning request to the vehicle-road cooperative platform according to the positioning precision; generating positioning information according to the differential positioning information and the satellite positioning signals, including: and generating positioning information according to the positioning precision, the satellite positioning signals and the positioning precision, wherein the positioning information is used for indicating the current position information of the vehicle.

In this embodiment, the preset scene may be different positions such as mountain areas, high-speed road sections, urban areas, etc., when the vehicles are in different positions, the required positioning accuracy is also different, and when the service management module of the vehicle-road collaboration platform determines that the vehicle-mounted terminal requests the high-accuracy position of the vehicle-mounted terminal in the vehicle-road collaboration application which is wanted to be used and has permission to use, the terminal needs high-accuracy positioning service, otherwise, the terminal does not need high-accuracy positioning service.

Further, the obtaining positioning accuracy matched with the preset scene when the current position information indicates that the vehicle is located in the preset scene includes:

The preset area may be different road segments or positions, the vehicle-road cooperative application using high-precision positioning may not need high-precision positioning at all positions, but may need only a part of important areas, such as highway ramp bus safety precaution, and may need only a high-precision position near a ramp port, so that the vehicle-road cooperative platform may set a range of 1km (the distance is just an example) near the ramp port as an area needing high-precision position information, when a rough position reported by the vehicle-mounted terminal enters the area, the vehicle-mounted terminal needs the high-precision position, otherwise, high-precision positioning service is temporarily not needed on other common road segments.

Referring to fig. 2, fig. 2 is a flowchart of an account management method according to an embodiment of the present invention. The account management method of the embodiment of the invention can be executed by a vehicle-road cooperative platform, and particularly, the vehicle-road cooperative platform is used for providing vehicle cooperative application for vehicles and providing high-precision positioning service for the vehicles by utilizing high-precision positioning service accounts and high-precision positioning service called by an SDK interface, and comprises a business management module, a positioning service module, an account management module, an application service module and the like; the service management module is used for managing the vehicle-mounted terminal accessed to the vehicle-road coordination platform and managing the application of opening and ordering the vehicle-mounted terminal; the positioning service module is used for forwarding rough position and differential positioning information of the vehicle-mounted terminal between the high-precision positioning platform and the vehicle-mounted terminal; the account management module is used for managing account information opened by the vehicle-road cooperative platform on the high-precision positioning platform.

As shown in fig. 2, the account management method may include the steps of:

step 201, a positioning request sent by a vehicle is received.

In this embodiment, the vehicle-mounted terminal initiates an access request to the vehicle-road collaboration platform, and the vehicle-mounted terminal establishes communication connection with the vehicle-road collaboration platform. After connection is completed, the vehicle-mounted terminal starts to use the vehicle-road cooperative application, and in the period, the vehicle-mounted terminal can initiate a positioning request to the vehicle-road cooperative platform, at the moment, the vehicle-road cooperative platform can distribute a service account number according to the accuracy of the positioning request of the vehicle-mounted terminal, and the vehicle-mounted terminal can log in the high-accuracy positioning platform through the service account number to perform high-accuracy positioning.

And 202, generating a service account number based on the positioning request, and sending the service account number to the vehicle, wherein the service account number is used for logging in a positioning platform so that the vehicle sends the current position information of the vehicle to the positioning platform.

In this embodiment, the service account is used for logging in and using a high-precision positioning platform, and the high-precision positioning platform determines the positioning precision of the vehicle according to different grades of the service account. The service account numbers are distributed through the vehicle-road cooperation platform, and the vehicle terminal logs in the high-precision positioning platform according to the service account numbers and uses the high-precision positioning platform after receiving the service account numbers. The current position information of the vehicle is acquired by the vehicle terminal, and it should be noted that the current position information is a rough position of the vehicle, and the high-precision positioning platform can realize high-precision positioning of the vehicle through the rough position and other information.

According to the account management method provided by the embodiment of the invention, the high-precision positioning service is interactively used between the vehicle and the high-precision platform through the vehicle road cooperative platform by distributing the service account matched with the vehicle demand, so that the vehicle can calculate high-precision position information through satellite positioning signals and differential positioning information, and the high-precision position information is used for vehicle road cooperative application. The function of providing flexibly selected high-precision positioning service for the vehicle is realized, the effect of vehicle positioning service is optimized, and the user experience is improved.

Optionally, the generating a service account based on the positioning request and sending the service account to the vehicle includes: receiving a use request of the vehicle-road cooperative application sent by the vehicle, wherein the use request comprises the ID of the vehicle and information of the vehicle-road cooperative application requested to be used; and based on the use request matching with a service account, sending the service account to the vehicle, wherein the precision priority of the service account is determined according to the vehicle-road cooperative application.

Optionally, the receiving the positioning request sent by the vehicle includes: receiving service authority information sent by the vehicle, wherein the service authority information is used for verifying the use authority of the vehicle on the vehicle-road cooperative platform; verifying the service authority information to generate a verification result, and sending the verification result to the vehicle; and when the verification result is that the vehicle passes, receiving a positioning request sent by the vehicle.

Optionally, the generating a service account based on the positioning request and sending the service account to the vehicle, where the service account is used for the vehicle to send the current location information of the vehicle to a positioning platform, includes: generating a service account based on the positioning request; receiving current position information sent by a vehicle, and sending the current position information of the vehicle to the positioning platform through the service account; receiving differential positioning information generated by the positioning platform based on the current position information; and sending the differential positioning information to the vehicle, wherein the differential positioning information is used for generating positioning information.

In the embodiment, the vehicle-mounted terminal periodically forwards the current rough position to the high-precision positioning platform through the vehicle-road cooperative platform, and the high-precision positioning platform periodically broadcasts corresponding differential positioning information to the vehicle-mounted terminal through the vehicle-road cooperative platform according to the current rough position of the vehicle-mounted terminal; specifically, in the process, the vehicle-road cooperation platform is equivalent to a transfer station, the vehicle-road cooperation platform replaces a vehicle-mounted terminal by an account number distributed by the account number management module to request high-precision positioning service to the high-precision positioning platform, the vehicle-mounted terminal regards the vehicle-road cooperation platform as the high-precision positioning platform, and the high-precision positioning platform regards the vehicle-road cooperation platform as the vehicle-mounted terminal, so that periodic transmission of rough position and differential positioning information is completed. The service account number is used by the vehicle-road collaboration platform, the problems that the service account number is stolen and a user needs to frequently modify passwords are avoided, the use safety of the service account number is improved, positioning is requested to the high-precision positioning platform by the vehicle-road collaboration platform, additional operations of the user are reduced, and the user experience is improved.

Optionally, after receiving the positioning request sent by the vehicle, the method further includes: transmitting the current position information of the vehicle to the positioning platform through an SDK interface according to the positioning request; receiving differential positioning information generated by the positioning platform based on the current position information; and sending the differential positioning information to the vehicle, wherein the differential positioning information is used for generating positioning information.

In the embodiment, the vehicle-road cooperative platform uses an SDK interface to request high-precision positioning service from the high-precision positioning platform; the service management module of the vehicle-road cooperative platform determines the positioning precision requirement required by the application according to the application required by the vehicle-mounted terminal, and calls high-precision positioning service with corresponding precision through an SDK interface according to the required positioning precision; and the vehicle uses the high-precision positioning service through interaction between the vehicle and the high-precision platform through the vehicle-road cooperative platform, so that the vehicle can calculate high-precision position information through satellite positioning signals and differential positioning information for vehicle-road cooperative application. The technical scheme of the application realizes that the vehicle-road cooperative platform provides high-precision positioning service for the vehicle.

The various optional embodiments described in the embodiments of the present application may be implemented in combination with each other without collision with each other, or may be implemented separately, which is not limited to the embodiments of the present application.

For ease of understanding, examples are illustrated below:

fig. 3 is a schematic structural diagram of a high-precision positioning service system provided based on a vehicle-road cooperation platform, wherein the system comprises a satellite system, a high-precision service system, road side equipment, a cellular communication network, a convergence switch, a vehicle-road system platform, a vehicle-mounted terminal and the like.

Specifically, the satellite system refers to a device for transmitting satellite positioning signals in a satellite positioning system, and provides reference signals required for positioning for a vehicle-mounted terminal.

The high-precision service system comprises a ground reference station and a high-precision positioning platform; the ground reference station is used for continuously observing satellite positioning signals for a long time, transmitting observed data to the high-precision positioning platform in real time or at fixed time by a communication facility for resolving differential positioning data, and normally continuously covering the ground reference station, wherein the station spacing is between tens of kilometers and hundreds of kilometers; the high-precision positioning platform calculates the observed data of each ground reference station, calculates differential positioning information from the observed data, is used for the vehicle-mounted terminal to calculate the position, determines the area where the high-precision positioning platform is located according to the rough position reported by the terminal, and plays the differential positioning information corresponding to the area where the high-precision positioning platform is located.

The Road Side equipment is equipment arranged on the Road Side and comprises a Road Side Unit (RSU), a PoE switch and the like, and is mainly used for communication with the vehicle-mounted terminal and accessing to a vehicle-Road cooperation platform; the RSU is mainly used for communication with the Vehicle-mounted terminal, the communication content comprises access of the Vehicle-mounted terminal and position information of a Vehicle, the RSU can communicate with Vehicle-mounted terminal equipment running on a road by adopting DSRC (Dedicated Short Range Communication) and/or LTE-V (Long Term Evolution-Vehicle) technology, and a plurality of RSUs are deployed along the road; the PoE switch provides network transmission and power supply for various road side devices, and the road side devices are connected into the convergence switch through the PoE switch to realize intercommunication with the vehicle-road cooperative platform; the RSU and the PoE switch are necessary devices of the application, and meanwhile, the road side device can also comprise sensing devices such as cameras, laser radars, millimeter wave radars and the like and a sensing data fusion calculation unit, and the sensing devices are used for sensing road side events, and the sensing information can be used for vehicle-road cooperative application such as safety precaution, video viewing and the like.

The cellular communication network refers to an existing mobile communication network, and comprises a base station and a core network, so as to provide communication services for the vehicle-mounted terminal, the vehicle-mounted terminal can communicate with the high-precision positioning platform through the cellular communication network to receive information broadcast by the high-precision positioning service, and can also communicate with the vehicle-road cooperation platform to use vehicle-road cooperation application, and the cellular communication network comprises but is not limited to typical mobile communication networks such as 2G, 3G, 4G, 5G and the like.

The aggregation switch is used for aggregating the transmission of each network, and can aggregate the transmission of the cellular communication network and/or the road side equipment to the vehicle-road cooperation platform, and pull through the information intercommunication between the cellular communication network and/or the road side equipment and the vehicle-road cooperation platform.

The vehicle-road cooperative platform is used for providing vehicle cooperative application for vehicles and providing high-precision positioning service for the vehicles by utilizing high-precision positioning service accounts and high-precision positioning services called by SDK interfaces, and comprises a business management module, a positioning service module, an account management module, an application service module and the like; the service management module is used for managing the vehicle-mounted terminal accessed to the vehicle-road coordination platform and managing the application of opening and ordering the vehicle-mounted terminal; the positioning service module is used for forwarding rough position and differential positioning information of the vehicle-mounted terminal between the high-precision positioning platform and the vehicle-mounted terminal; the account management module is used for managing account information opened by the vehicle-road cooperative platform on the high-precision positioning platform.

The vehicle-mounted terminal is used for calculating high-precision position information of the terminal through received satellite positioning signals and information of high-precision positioning service, reporting the real-time high-precision position information to the vehicle-road cooperation platform, and can be communicated with road side equipment through a PC5 interface or a cellular communication network through a Uu interface.

Referring to fig. 4, fig. 4 is a block diagram of a vehicle positioning device according to an embodiment of the present invention. As shown in fig. 4, the vehicle positioning device 400 includes:

a first processor 410, configured to obtain a service account number and current location information of a vehicle; and generating positioning information according to the differential positioning information and the satellite positioning signals.

A first transceiver 420, configured to send current location information of the vehicle to a positioning platform if the positioning platform is successfully logged in based on the service account number; and receiving the differential positioning information and satellite positioning signals generated by the positioning platform based on the current position information.

Optionally, the first transceiver 420 is further configured to send a positioning request to the vehicle-road collaboration platform when the vehicle needs to perform positioning service;

Optionally, the first transceiver 420 is further configured to send a usage request of the vehicle-road cooperative application to the vehicle-road cooperative platform, where the usage request includes an ID of the vehicle and information of the vehicle-road cooperative application that is requested to be used;

Optionally, the first transceiver 420 is further configured to send service authority information to a vehicle-road collaboration platform, where the service authority information is used to verify a usage authority of the vehicle on the vehicle-road collaboration platform;

Optionally, the first processor 410 is further configured to obtain positioning accuracy matched with a preset scene when the current position information indicates that the vehicle is located in the preset scene;

Optionally, the first processor 410 is further configured to obtain positioning accuracy matching a preset area if the current location information indicates that the vehicle is located in the preset area.

The vehicle positioning device 400 can implement the processes of the method embodiment of fig. 1 in the embodiment of the present invention, and achieve the same beneficial effects, and for avoiding repetition, the description is omitted here.

Referring to fig. 5, fig. 5 is a block diagram of an account management apparatus according to an embodiment of the present invention. As shown in fig. 5, the account management device 500 includes:

a second processor 510 for generating a service account based on the location request;

a second transceiver 520 for receiving the location request sent by the vehicle; and sending the service account number to the vehicle, wherein the service account number is used for logging in a positioning platform so that the vehicle sends the current position information of the vehicle to the positioning platform.

Optionally, the second transceiver 520 is further configured to receive a use request of the vehicle-road cooperative application sent by the vehicle, where the use request includes an ID of the vehicle and information of the vehicle-road cooperative application requested to be used;

Optionally, the second transceiver 520 is further configured to receive service authority information sent by the vehicle, where the service authority information is used to verify a use authority of the vehicle on the vehicle-road collaboration platform;

Optionally, the second transceiver 520 is further configured to generate a service account based on the positioning request;

Optionally, the second transceiver 520 is further configured to send, according to the positioning request, current location information of the vehicle to the positioning platform through an SDK interface;

The account management device 500 can implement the processes of the method embodiment of fig. 2 in the embodiment of the present invention, and achieve the same beneficial effects, and in order to avoid repetition, the description is omitted here.

The embodiment of the invention also provides communication equipment. Referring to fig. 6, the communication device may include a processor 601, a memory 602, and a program 6021 stored on the memory 602 and executable on the processor 601.

In the case where the communication device is an electronic device, the program 6021, when executed by the processor 601, may implement the steps in the method embodiment corresponding to fig. 1 or implement the steps in the method embodiment corresponding to fig. 2:

acquiring a service account number and current position information of a vehicle, wherein the service account number is used for determining the positioning accuracy of the vehicle;

receiving differential positioning information and satellite positioning signals generated by the positioning platform based on the current position information;

Optionally, the obtaining the service account includes:

Or receiving a positioning request sent by the vehicle;

Optionally, the receiving the positioning request sent by the vehicle includes:

Generating a service account based on the positioning request;

According to the communication equipment provided by the embodiment of the invention, the high-precision positioning service is interactively used between the vehicle and the high-precision platform through the vehicle road cooperative platform by distributing the service account matched with the vehicle demand, so that the vehicle can calculate the high-precision position information through satellite positioning signals and differential positioning information, and the high-precision position information is used for vehicle road cooperative application. The function of providing flexibly selected high-precision positioning service for the vehicle is realized, the effect of vehicle positioning service is optimized, and the user experience is improved.

Those of ordinary skill in the art will appreciate that all or a portion of the steps of implementing the methods of the embodiments described above may be implemented by hardware associated with program instructions, where the program may be stored on a readable medium. The embodiment of the present invention further provides a readable storage medium, where a computer program is stored, where the computer program when executed by a processor may implement the steps in the method embodiment corresponding to fig. 1 or implement the steps in the method embodiment corresponding to fig. 2, where the steps in the method embodiment corresponding to fig. 1 are described above:

Optionally, the obtaining the service account includes:

Or receiving a positioning request sent by the vehicle;

Optionally, the receiving the positioning request sent by the vehicle includes:

generating a service account based on the positioning request;

The computer-readable storage medium of embodiments of the present application may employ any combination of one or more computer-readable media when the first application requests a data communication service resource. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the computer-readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.

The computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.

Program code embodied on a storage medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.

Computer program code for carrying out operations of the present application may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or terminal. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).

According to the storage medium, the high-precision positioning service is used interactively between the vehicle and the high-precision platform through the vehicle road cooperative platform by distributing the service account matched with the vehicle demand, so that the vehicle can calculate the high-precision position information through satellite positioning signals and differential positioning information, and the high-precision position information is used for vehicle road cooperative application. The function of providing flexibly selected high-precision positioning service for the vehicle is realized, the effect of vehicle positioning service is optimized, and the user experience is improved.

While the foregoing is directed to the preferred embodiments of the present application, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present application, and such modifications and adaptations are intended to be comprehended within the scope of the present application.

Claims

1. A vehicle positioning method applied to a vehicle, the method comprising:

2. The method according to claim 1, wherein the obtaining a service account number comprises:

3. The method of claim 2, wherein the receiving the roadway collaboration platform to generate a service account based on the location request comprises:

4. The method of claim 2, wherein the sending the positioning request to the vehicle-road collaboration platform comprises:

5. The method of claim 4, wherein the initiating a location request to the roadway collaboration platform comprises:

6. The method according to claim 5, wherein, in the case where the current position information indicates that the vehicle is located in a preset scene, obtaining positioning accuracy matching the preset scene includes:

7. An account management method applied to a vehicle-road cooperative platform is characterized by comprising the following steps:

receiving a positioning request sent by a vehicle;

8. The method of claim 7, wherein the generating a service account based on the location request and transmitting the service account to the vehicle comprises:

9. The method of claim 7, wherein said receiving a location request sent by the vehicle comprises:

10. The method of claim 7, wherein the generating a service account based on the location request and transmitting the service account to the vehicle, the service account for the vehicle to transmit current location information of the vehicle to a location platform, comprises:

generating a service account based on the positioning request;

11. The method of claim 8, wherein after receiving the location request sent by the vehicle, the method further comprises:

12. A vehicle positioning device, characterized by comprising:

13. An account management apparatus, comprising:

14. A communication device, comprising: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor; -characterized in that the processor is adapted to read a program in a memory for implementing the steps in the vehicle positioning method according to any one of claims 1 to 6; or, a step in an account management method according to any one of claims 7 to 11.

15. A readable storage medium storing a program, wherein the program when executed by a processor implements the steps in the vehicle positioning method according to any one of claims 1 to 6; or, implementing the steps in the account management method according to any one of claims 7 to 11.