WO2024022277A1

WO2024022277A1 - Map update data downloading method and apparatus, device, and readable medium

Info

Publication number: WO2024022277A1
Application number: PCT/CN2023/108834
Authority: WO
Inventors: 陈丹丹; 孙连明; 崔茂源; 宋林桓; 谭明伟; 王超; 王丽丽; 杜建宇
Original assignee: 中国第一汽车股份有限公司
Priority date: 2022-07-28
Filing date: 2023-07-24
Publication date: 2024-02-01
Also published as: CN115617823A

Abstract

The present application discloses a map update data downloading method and apparatus, a device, and a readable medium. The method comprises: receiving a map update request of a target vehicle, wherein the update request comprises vehicle information of the target vehicle; determining update data corresponding to the target vehicle, the update data comprising at least one of download items which are downloaded in sequence; and verifying the target vehicle according to the vehicle information, and downloading the update data to the target vehicle when the verification is passed.

Description

Map update data download method, device, equipment and readable medium

This disclosure claims priority to a Chinese patent with application number 202210896501.7 filed with the China Patent Office on July 28, 2022. The entire content of the above application is incorporated into this application by reference.

Technical field

This application relates to the field of intelligent driving technology, such as map update data downloading methods, devices, equipment and readable media.

Background technique

Smart cars are equipped with higher-performance processors, combined with various on-board sensors and various network interaction devices, providing a hardware foundation for realizing more intelligent driving functions. Among them, automatic parking in parking lots is a more practical one Intelligent driving functions. Automatic parking in the parking lot relies on the provision of high-precision map data in the parking lot. The high-precision map data needs to be updated in time when the parking lot map changes to ensure correct route and parking space planning.

Currently, when the automatic parking function is triggered to download high-precision map data in the parking lot, the car terminal asks the backend server whether there is an update to the map data. If there is an update, the user is prompted to download the latest map update data.

This method of downloading map update data is more cumbersome and requires more operating steps and complex interactions, which affects usage efficiency.

Contents of the invention

This application provides a method, device, equipment and readable medium for downloading map update data to solve the problem of slow map update efficiency.

According to one aspect of this application, a method for downloading map update data is provided, including:

Receive a map update request from the target vehicle, wherein the update request includes vehicle information of the target vehicle;

Determine update data corresponding to the target vehicle, where the update data includes at least one download item that is downloaded in sequence;

The target vehicle is verified according to the vehicle information, and the update data is downloaded to the target vehicle when the verification result is passed.

According to another aspect of the present application, a device for downloading map update data is provided, including:

An update request receiving unit configured to receive a map update request from the target vehicle, wherein the update request includes vehicle information of the target vehicle;

An update data determination unit configured to determine update data corresponding to the target vehicle, where the update data includes at least one download item that is downloaded in sequence;

An update data processing unit is configured to verify the target vehicle according to the vehicle information, and download the update data to the target vehicle when the verification result is passed.

According to another aspect of the present application, an electronic device is provided, the electronic device including:

at least one processor; and

a memory communicatively connected to the at least one processor; wherein,

The memory stores a computer program that can be executed by the at least one processor, and the computer program is executed by the at least one processor, so that the at least one processor can execute the method described in any embodiment of the present application. How to download map update data.

According to another aspect of the present application, a computer-readable storage medium is provided. The computer-readable storage medium stores computer instructions, and the computer instructions are used to implement any of the embodiments of the present application when executed by a processor. Map update data download method.

Description of drawings

The drawings needed to be used in the description of the embodiments will be introduced below. The drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without exerting creative efforts, they can also Additional drawings can be obtained from these drawings.

Figure 1 is a flow chart of a method for downloading map update data provided in Embodiment 1 of the present application;

Figure 2 is a flow chart of an update data downloading method provided in Embodiment 2 of the present application;

Figure 3 is a flow chart of an update data downloading method provided in Embodiment 2 of the present application;

Figure 4 is a flow chart of a method for sending a first download link provided in Embodiment 2 of the present application;

Figure 5 is a flow chart of a method for downloading update data provided in Embodiment 2 of the present application;

Figure 6 is a flow chart of a method for obtaining a second download link provided in Embodiment 2 of the present application;

Figure 7 is a schematic structural diagram of a map update data downloading device provided in Embodiment 3 of the present application;

Figure 8 is a schematic structural diagram of an electronic device that implements the map update data downloading method according to an embodiment of the present application.

Detailed ways

In order to enable those in the technical field to understand the solution of the present application, the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. The described embodiments are only part of the embodiments of the present application, rather than the entire implementation. example. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts should fall within the scope of protection of this application.

It should be noted that the terms "first", "second", etc. in the description and claims of this application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the application described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "include" and "having" and any variations thereof are intended to cover non-exclusive inclusions, e.g., processes, methods, systems, products or devices that comprise a series of steps or units and are not necessarily limited to those steps listed. or units, but may include other steps or units not listed or inherent to such processes, methods, products or devices.

Embodiment 1

Figure 1 is a flow chart of a method for downloading map update data provided in Embodiment 1 of the present application. This embodiment can be applied to the situation where the car terminal updates the map data of the parking lot to implement the automatic parking function of the parking lot. This method can be performed by It can be implemented by an automotive telematics service provider (TSP), original equipment manufacturer (Original Equipment Manufacturer, OEM) or regulatory platform. TSP can be implemented in the form of hardware and/or software. As shown in Figure 1, the method includes:

S110. Receive a map update request from the target vehicle, where the update request includes vehicle information of the target vehicle.

Among them, the target vehicle refers to an intelligent vehicle with automatic parking function based on the parking lot map. The automatic parking function based on the parking lot map is a car-based Automated Valet Parking (AVP) system. The AVP system realizes route planning and automatic driving control of automatic valet parking through high-precision maps downloaded to the car. .

The on-board equipment used by smart vehicles to update and communicate AVP map data usually includes: AVP controller equipment (AVP ECU) and in-vehicle network connection box T-BOX.

Vehicle information refers to information related to the target vehicle, such as frame number, serial number, Internet Protocol (IP) address and other unique information.

The map update request refers to the AVP map update request for the vehicle that is triggered when the target vehicle reaches certain conditions. The trigger conditions for the map update request can be time period, target vehicle start, The target vehicle enters a parking lot, etc.

S120. Determine update data corresponding to the target vehicle, where the update data includes at least one download item that is downloaded sequentially.

Among them, the update data is the relevant data used by the target vehicle to update the AVP map; the download item is the data corresponding to at least one download item required to complete the AVP map update. The download items correspond to the download order. The download order identifies the download and update order corresponding to the data of each download item during the update process. The download items with a relatively lower order need to be downloaded and updated after the items with a relatively earlier order and certain download conditions are met. Only then can the update be downloaded.

S130. Verify the target vehicle according to the vehicle information, and download the update data to the target vehicle when the verification result is passed.

Among them, verifying the target vehicle refers to verifying the relevant permissions of the target vehicle through vehicle information, determining whether the target vehicle needs to update map data, determining whether the target vehicle is forged by other devices based on the unique identification in the vehicle information, and determining the target vehicle. Whether you have permission to download update data, etc. After completing the verification of the target vehicle, TSP allows the target vehicle to download the update data and perform the update.

The embodiment of the present application receives a map update request from the target vehicle, determines the update data corresponding to the target vehicle based on the vehicle information of the target vehicle, and downloads the update data to the target vehicle after verifying the vehicle information of the target vehicle, so as to Completing the map update solves the problem that the current downloading process of map update data is too cumbersome and can improve the efficiency of map update.

Embodiment 2

Figure 2 is a flow chart of an update data downloading method provided in Embodiment 2 of the present application. Among them, the update data includes the target map version file, the target map directory file and the target map data file. The target map version file includes the name of the latest version of the map data, including the text name or version number; the target map directory file is included in the update data. A directory with multiple sub-files. Each map directory file can correspond to a parking lot or a parking lot in a region to distinguish the map data corresponding to different parking lots; the target map data file is the actual map data of the corresponding parking lot, which is used to implement Automatic parking function in AVP scenario. As shown in Figure 2, the method includes:

S210. Perform first device authentication processing on the target vehicle according to the vehicle information.

Among them, the vehicle information is the relevant data of the target vehicle, such as the frame number, serial number, IP address and other unique information, which is used to verify the authenticity of the device downloading the update data and prevent other devices from downloading the update data.

The first device authentication process is used to verify the target vehicle through its unique identification and determine whether the target vehicle has the authority to download the target map version file.

S220. When the first device authentication process passes, perform a first service authentication process on the target vehicle according to the version number of the current map version file of the target vehicle included in the vehicle information.

Among them, the vehicle information, in addition to the unique information of the target vehicle used for verification, also includes the version number of the target vehicle's current map version file, which is used to verify whether the target vehicle needs to update the map. Every time a scene such as the target vehicle starting or entering a parking lot is triggered, the version number is used to determine whether there is an update to the map. The version number of the current map version file can be queried by AVP ECU. The query process is for AVP ECU to request the version number of the current map version file from TSP through T-BOX. T-BOX only transmits transparently during transmission. The TSP performs the first service authentication process through the version number of the current map version file.

S230. When the first service authentication process passes, obtain the target map version file from an external map server.

S240. Push the target map version file to the target vehicle, so that the target vehicle updates the current map version file to the target map version file.

Among them, the map server refers to the parking lot map server (AVP Map Cloud). After the TSP performs the first device authentication process and the first service authentication process and passes them, it requests the latest target map version file from AVP Map Cloud and verifies AVP Map Cloud. AVP Map Cloud returns the target map version file to TSP, and TSP transmits the target map version file to AVP ECU through T-BOX transparent transmission, and updates the current map version file.

Figure 3 is a flow chart of an update data download method provided in Embodiment 2 of the present application. As shown in Figure 3, when the update data is a target map directory file, the method includes:

S310. Perform a second device authentication process on the target vehicle according to the vehicle information.

The second device authentication process is used to verify the target vehicle through its unique identifier and determine whether the target vehicle has the authority to download the target map directory file. The trigger of the second device authentication process is when the AVP ECU of the target vehicle requests to download the target map directory file. The request is triggered by the AVP ECU and is transparently transmitted to the TSP by the T-BOX. TSP performs second device authentication processing on AVP ECU through vehicle information.

S320. When the second device authentication process passes, perform a second service authentication process on the target vehicle according to the current map directory file of the target vehicle included in the vehicle information.

Among them, the vehicle information, in addition to the unique information of the target vehicle used for verification, also includes the current map directory file of the target vehicle, which is used to verify whether the target vehicle is different from the latest target map directory file. For example, when the target vehicle has not been updated for a long time, the latest target map directory file has been updated by at least one version relative to the current map directory file, and the directory file has changed, such as adding a new parking lot directory file or deleting it. Some parking lot directory files, due to the directory file and map number The data files are corresponding, so the current map directory file needs to be updated so that it can correspond to the latest map data file. If the target map directory file has no directory file changes based on the current map directory file, there is no need to update it.

S330. When the second service authentication process passes, obtain the first download link of the target map directory file from the map server and send it to the target vehicle, so that the target vehicle can obtain the first download link of the target map directory file according to the second service authentication process. A download link downloads the target map directory file and updates it.

Among them, after the TSP completes and passes the second service authentication process, it requests the AVP Map Cloud to download the target map directory file and authenticates the AVP Map Cloud. AVP Map Cloud returns the first download link to TSP, TSP sends the first download link to AVP ECU, and AVP ECU accesses the first download link to download the target map directory file.

Figure 4 is a flow chart of a method for sending a first download link provided in Embodiment 2 of the present application. As shown in Figure 4, the method includes:

S410. Send a first download application to the map server, so that the map server obtains the first download link and the first verification identification for the target vehicle according to the first download application and returns the first download application. A download link and the first verification identification; wherein the first verification identification is used for the map server's access application through the first download link.

S420. Send the first download link and the first verification identification to the target vehicle, so that the target vehicle accesses the first download link and passes the map server through the first verification identification. For verification, download the target map directory file from the first download link and update it.

Among them, after the TSP completes the second business authentication process and passes it, it requests AVP Map Cloud to download the target map directory file, and AVP Map Cloud returns the first download link and the first verification identification. The first verification identification is used for verification when accessing the first download link. TSP sends the first download link and first verification identification to AVP ECU through T-BOX transparent transmission. AVP ECU accesses the first download link through T-BOX, passes the verification through the first verification identification, and downloads the target map directory file. In order to meet security requirements, AVP ECU can only download data through the link issued by TSP. After receiving access from AVP ECU, AVP Map Cloud will perform secondary verification. After passing the verification, the target map directory file will be returned to AVP ECU through T-BOX.

Figure 5 is a flow chart of a method for downloading update data provided in Embodiment 2 of the present application. When the update data is a target map data file, as shown in Figure 5, the method includes the following steps:

S510. Perform third device authentication processing on the target vehicle according to the vehicle information.

S520. When the third device authentication process passes, perform a third service authentication process on the target vehicle according to the current map data file of the target vehicle included in the vehicle information.

Among them, the third device authentication process is used to verify the target vehicle through the unique identification of the target vehicle. Certificate to determine whether the target vehicle has the permission to download the target map data file. The third device authentication process is triggered when the AVP ECU of the target vehicle requests to download the target map data file. This request is issued by the AVP ECU and transparently transmitted to the TSP by the T-BOX. TSP performs second device authentication processing on AVP ECU through vehicle information.

S530. When the third service authentication process passes, determine the unique identifier of at least one parking lot corresponding to at least one directory file included in the target map directory file.

S540. According to the unique identification of the at least one parking lot, obtain a second download link from the map server and send it to the target vehicle, so that the target vehicle downloads the at least one parking lot according to the second download link. The target map data file of the field is updated.

When downloading the target map data file, since the map data of some parking lots has not changed, and which map data has changed can be determined from the directory file, when requesting to download the target map data file, only the updated map data can be downloaded. . Illustratively, the vehicle information includes, in addition to the unique information of the target vehicle used for verification, the current map data file of the target vehicle, used to verify whether the target vehicle is different from the latest target map data files of all parking lots, and determine that an update is required. The unique identification of the parking lot, and obtain the target map data file that needs to be downloaded based on the unique identification.

After completing the third service authentication process and passing it, TSP requests AVP Map Cloud to download the target map data file and authenticates AVP Map Cloud. AVP Map Cloud returns the second download link to TSP, TSP sends the second download link to AVP ECU, and AVP ECU accesses the second download link to download the target map directory file.

Figure 6 is a flow chart of a method for obtaining a second download link provided in Embodiment 2 of the present application. As shown in Figure 6, the method includes:

S610. Send a second download application to the map server, so that the map server obtains the second download link and the second verification identification for the unique identification according to the second download application and returns the second download application. Two download links and the second verification identification; wherein the second verification identification is used for the map server's access application through the second download link.

S620. Send the second download link and the second verification identification to the target vehicle, so that the target vehicle accesses the second download link and passes the map server through the second verification identification. For verification, download the target map data file from the second download link and update it to the corresponding directory file.

Among them, after completing the third service authentication process, TSP sends a second download application to AVP Map Cloud to request a second download link. After receiving the second download application, AVP Map Cloud returns the second download link and the second verification identification. , TSP returns the second download link and second verification identification to AVP ECU through T-BOX transparent transmission, and AVP ECU accesses the second download link through T-BOX to request to download the target map data file. The file passes the verification of AVP Map Cloud through the second verification identification, and AVP Map Cloud transmits the target map data file to AVP ECU through T-BOX.

In Embodiment 2 of the present application, the method further includes: obtaining the data volume of the target map data file from the map server; and counting the data volume into the traffic usage record of the target vehicle.

Among them, the traffic available to the target vehicle within a traffic usage cycle is limited, so the data volume of the downloaded target map data file needs to be counted and accumulated into the traffic usage record. Among them, when downloading the target map directory file, since the file data size is small (usually about 1M), it can be downloaded through the free traffic of the manufacturer of the target vehicle.

For example, when TSP requests the second download link through the second download application, it will also request the data volume of the target map data file downloaded in this request. When AVP Map Cloud returns the second download link and the second verification identification, Determine and return the data amount based on the parking lot map data corresponding to the target map data file. The AVP ECU determines whether the amount of data exceeds the storage space of the target vehicle. If it does not, access the second download link to download the target map data file. TSP can count the amount of data downloaded and used by AVP ECU, and perform billing and other operations based on traffic usage records.

In the above-mentioned embodiment of the present application, when the conditions for requesting an update are met (such as vehicle startup), the background is automatically requested to query the parking lot directory version. Once it is determined that the directory file has been updated, the update is downloaded silently and automatically without the need for the user to interact with the human-machine interface. After the silent update, it is convenient to update and view the information of the parking lot list, ensuring the high frequency and accuracy of map updates.

In addition, since the interaction between the car terminal and the server needs to be supervised through the TSP, when there is a need to update and upgrade the parking lot data and parking lot directory files, innovatively proposes a point-to-point method that does not directly access the map cloud through the car terminal, in order to account for the download process. Security, business request security, innovatively proposes to add the development architecture of OEM or third-party backend server, which requires device authentication and authentication for the car end, and authentication and authentication of the business requested by the car end; at the same time, TSP also performs access authentication with the map server Authentication and business authentication ensure that the interaction between the car terminal and the map cloud is guaranteed by a unified security monitoring background, ensuring the security of information interaction.

In the solutions provided by various embodiments of this application, during the interaction, if the AVP ECU is disconnected from the network or the vehicle power supply during the data download process, it can resume the transmission from the last downloaded position when the next network connection or power supply is restored. Continue downloading. If the final download fails due to memory, program or other reasons, the historical version can be restored through the directory file rollback mechanism.

Embodiment 3

Figure 7 is a schematic structural diagram of a device for downloading map update data provided in Embodiment 3 of the present application. As shown in Figure 7, the device includes:

The update request receiving unit 710 is configured to receive a map update request of the target vehicle, wherein the update request includes vehicle information of the target vehicle;

The update data determining unit 720 is configured to determine update data corresponding to the target vehicle, where the update data includes at least one download item that is downloaded in sequence;

The update data processing unit 730 is configured to verify the target vehicle according to the vehicle information, and download the update data to the target vehicle when the verification result is passed.

In the third embodiment of the present application, the update data includes a target map version file, a target map directory file, and a target map data file that are downloaded in sequence;

Correspondingly, when the update data is the target map version file, the update data processing unit 730 is configured to verify the target vehicle according to the vehicle information in the following manner, and when the verification result is passed, the Update data is downloaded to the target vehicle:

Perform first device authentication processing on the target vehicle according to the vehicle information;

When the first device authentication process passes, perform a first business authentication process on the target vehicle according to the version number of the current map version file of the target vehicle included in the vehicle information;

When the first service authentication process passes, obtain the target map version file from an external map server;

Push the target map version file to the target vehicle, so that the target vehicle updates the current map version file to the target map version file.

In the third embodiment of the present application, when the update data is the target map directory file, the update data processing unit 730 is also configured to verify the target vehicle according to the vehicle information in the following manner. In the verification result To download the updated data to the target vehicle upon passing:

Perform second device authentication processing on the target vehicle according to the vehicle information;

When the second device authentication process passes, perform a second service authentication process on the target vehicle according to the current map directory file of the target vehicle included in the vehicle information;

When the second service authentication process is passed, the first download link of the target map directory file is obtained from the map server and sent to the target vehicle, so that the target vehicle can download the first link according to the first download link. Link to download the target map directory file and update it.

In the third embodiment of the present application, the update data processing unit 730 is configured to obtain the first download link of the target map directory file from the map server in the following manner and send it to the target vehicle:

Send a first download application to the map server, so that the map server obtains the first download link and the first verification identification for the target vehicle according to the first download application and returns the first download link and the first verification identification; wherein the first verification identification is used in the place The image server applies for access through the first download link;

Send the first download link and the first verification identification to the target vehicle, so that the target vehicle accesses the first download link and passes the verification by the map server through the first verification identification. , download the target map directory file from the first download link and update it.

In the third embodiment of the present application, when the update data is the target map data file, the update data processing unit 730 is also configured to verify the target vehicle according to the vehicle information in the following manner. In the verification result To download the updated data to the target vehicle upon passing:

Perform third device authentication processing on the target vehicle according to the vehicle information;

When the third device authentication process passes, perform a third service authentication process on the target vehicle according to the current map data file of the target vehicle included in the vehicle information;

When the third service authentication process passes, determine the unique identifier of at least one parking lot corresponding to at least one directory file included in the target map directory file;

According to the unique identification of the at least one parking lot, a second download link is obtained from the map server and sent to the target vehicle, so that the target vehicle downloads the at least one parking lot according to the second download link. Target map data file and update.

In the third embodiment of the present application, the update data processing unit 730 is configured to obtain the second download link from the map server and send it to the target vehicle in the following manner:

Send a second download application to the map server, so that the map server obtains the second download link and the second verification identification for the unique identifier according to the second download application and returns the second download link and the second verification identification; wherein the second verification identification is used for the map server's access application through the second download link;

Send the second download link and the second verification identification to the target vehicle, so that the target vehicle accesses the second download link and passes the verification by the map server through the second verification identification. , download the target map data file from the second download link and update it to the corresponding directory file.

In the third embodiment of the present application, the update data processing unit 730 is also configured to execute:

Obtain the data volume of the target map data file from the map server;

The amount of data is counted into the traffic usage record of the target vehicle.

The map update data download device provided by the embodiments of the present application can execute the map update data download method provided by any embodiment of the present application, and has functional modules and beneficial effects corresponding to the execution method.

Embodiment 4

FIG. 8 shows a schematic structural diagram of an electronic device 10 that can be used to implement embodiments of the present application. Electronic devices may represent various forms of digital computers, such as laptop computers, desktop computers, workstations, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers. Electronic devices may also represent various forms of mobile devices, such as personal digital assistants, cellular phones, smart phones, wearable devices (eg, helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions are examples only.

As shown in Figure 8, the electronic device 10 includes at least one processor 11, and a memory communicatively connected to the at least one processor 11, such as a read-only memory (Read Only Memory, ROM) 12, a random access memory (Random Access Memory, RAM). ) 13, etc., wherein the memory stores a computer program that can be executed by at least one processor, and the processor 11 can load it into a random access memory (RAM) according to the computer program stored in the read-only memory (ROM) 12 or from the storage unit 18 )13 to perform various appropriate actions and processes. In the RAM 13, various programs and data required for the operation of the electronic device 10 can also be stored. The processor 11, the ROM 12 and the RAM 13 are connected to each other via the bus 14. An input/output (I/O) interface 15 is also connected to the bus 14 .

Multiple components in the electronic device 10 are connected to the I/O interface 15, including: an input unit 16, such as a keyboard, a mouse, etc.; an output unit 17, such as various types of displays, speakers, etc.; a storage unit 18, such as a magnetic disk, an optical disk, etc. etc.; and communication unit 19, such as network card, modem, wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information/data with other devices through computer networks such as the Internet and/or various telecommunications networks.

Processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Examples of the processor 11 may include a central processing unit (Central Processing Unit, CPU), a graphics processing unit (Graphic Processing Unit, GPU), various dedicated artificial intelligence (Artificial Intelligence, AI) computing chips, and various running machine learning models. Algorithm processor, digital signal processor (Digital Signal Processing, DSP), and any appropriate processor, controller, microcontroller, etc. The processor 11 executes various methods and processes described above, such as the map update data downloading method.

In some embodiments, the map update data downloading method may be implemented as a computer program, which is tangibly included in a computer-readable storage medium, such as the storage unit 18 . In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 10 via the ROM 12 and/or the communication unit 19. When the computer program is loaded into the RAM 13 and executed by the processor 11, one or more steps of the map update data downloading method described above may be performed. Alternatively, in other embodiments, the processor 11 may be configured to perform the map update data downloading method in any other suitable manner (eg, by means of firmware).

Various implementations of the systems and techniques described above may be implemented in digital electronic circuit systems, Integrated circuit systems, Field-Programmable Gate Array (FPGA), Application Specific Integrated Circuit (ASIC), Application Specific Standard Parts (ASSP), System on Chip (System on Chip (SOC), Complex Programmable Logic Device (CPLD), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include implementation in one or more computer programs executable and/or interpreted on a programmable system including at least one programmable processor, the programmable processor The processor, which may be a special purpose or general purpose programmable processor, may receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device. An output device.

Computer programs for implementing the methods of the present application may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing device, such that the computer program, when executed by the processor, causes the functions/operations specified in the flowcharts and/or block diagrams to be implemented. A computer program may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.

In the context of this application, a computer-readable storage medium may be a tangible medium that may contain or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. Computer-readable storage media may include electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, devices or devices, or suitable combinations of the foregoing. Alternatively, the computer-readable storage medium may be a machine-readable signal medium. Examples of machine-readable storage media may include an electrical connection based on one or more wires, a portable computer disk, a hard drive, random access memory (RAM), read only memory (ROM), erasable programmable read only memory (Electronic Programable Read Only Memory (EPROM) or flash memory, optical fiber, portable compact disk read-only memory (Compact Disc-Read Only Memory, CD-ROM), optical storage device, magnetic storage device, or a suitable combination of the above.

To provide interaction with a user, the systems and techniques described herein may be implemented on an electronic device having a display device (eg, a cathode ray tube (CRT) or a liquid crystal) for displaying information to the user. A display (Liquid Crystal Display, LCD or monitor); and a keyboard and pointing device (eg, a mouse or a trackball) through which a user can provide input to the electronic device. Other kinds of devices may also be used to provide interaction with the user; for example, the feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and may be provided in any form, including Acoustic input, voice input or tactile input) to receive input from the user.

The systems and techniques described herein may be implemented in a computing system that includes back-end components (e.g., as a data server), or a computing system that includes middleware components (e.g., an application server), or a computing system that includes front-end components (e.g., A user's computer having a graphical user interface or web browser through which the user can interact with implementations of the systems and technologies described herein), or including such backend components, middleware components, or any combination of front-end components in a computing system. The components of the system may be interconnected by any form or medium of digital data communication (eg, a communications network). Examples of communication networks include: Local Area Network (LAN), Wide Area Network (WAN), blockchain network, and the Internet.

Computing systems may include clients and servers. Clients and servers are generally remote from each other and typically interact over a communications network. The relationship of client and server is created by computer programs running on corresponding computers and having a client-server relationship with each other. The server can be a cloud server, also known as cloud computing server or cloud host. It is a host product in the cloud computing service system to solve the problems of difficult management and weak business scalability in traditional physical hosts and VPS services. defect.

It should be understood that various forms of the process shown above may be used, with steps reordered, added or deleted. For example, each step described in this application can be executed in parallel, sequentially, or in a different order, as long as the desired results of the technical solution of this application can be achieved.

Claims

A method for downloading map update data, including:

Receive a map update request from the target vehicle, wherein the update request includes vehicle information of the target vehicle;

Determine update data corresponding to the target vehicle, where the update data includes at least one download item that is downloaded in sequence;

The target vehicle is verified according to the vehicle information, and the update data is downloaded to the target vehicle when the verification result is passed.
The method according to claim 1, wherein the update data includes a target map version file, a target map directory file and a target map data file downloaded in sequence;

When the update data is the target map version file, verifying the target vehicle based on the vehicle information, and downloading the update data to the target vehicle when the verification result is passed, includes:

Perform first device authentication processing on the target vehicle according to the vehicle information;

When the first device authentication process passes, perform a first business authentication process on the target vehicle according to the version number of the current map version file of the target vehicle included in the vehicle information;

When the first service authentication process passes, obtain the target map version file from an external map server;

Push the target map version file to the target vehicle, so that the target vehicle updates the current map version file to the target map version file.
The method according to claim 2, wherein when the update data is the target map directory file, the target vehicle is verified according to the vehicle information, and when the verification result is passed, the updated data is passed. Data is downloaded to the target vehicle including:

Perform second device authentication processing on the target vehicle according to the vehicle information;

When the second device authentication process passes, perform a second service authentication process on the target vehicle according to the current map directory file of the target vehicle included in the vehicle information;

When the second service authentication process is passed, the first download link of the target map directory file is obtained from the map server and sent to the target vehicle, so that the target vehicle can download the first link according to the first download link. Link to download the target map directory file and update it.
The method according to claim 3, wherein said obtaining the first download link of the target map directory file from the map server and sending it to the target vehicle includes:

Send a first download application to the map server, so that the map server can The download application obtains the first download link and the first verification identification for the target vehicle and returns the first download link and the first verification identification; wherein the first verification identification is used for the map The server applies for access through the first download link;

Send the first download link and the first verification identification to the target vehicle, so that the target vehicle accesses the first download link and passes the verification by the map server through the first verification identification. , download the target map directory file from the first download link and update it.
The method according to claim 2, wherein when the update data is the target map data file, the target vehicle is verified according to the vehicle information, and when the verification result is passed, the updated Data is downloaded to the target vehicle including:

Perform third device authentication processing on the target vehicle according to the vehicle information;

When the third device authentication process passes, perform a third service authentication process on the target vehicle according to the current map data file of the target vehicle included in the vehicle information;

When the third service authentication process passes, determine the unique identifier of at least one parking lot corresponding to at least one directory file included in the target map directory file;

According to the unique identification of the at least one parking lot, a second download link is obtained from the map server and sent to the target vehicle, so that the target vehicle downloads the at least one parking lot according to the second download link. Target map data file and update.
The method according to claim 5, wherein said obtaining a second download link from the map server and sending it to the target vehicle includes:

Send a second download application to the map server, so that the map server obtains the second download link and the second verification identification for the unique identifier according to the second download application and returns the second download link and the second verification identification; wherein the second verification identification is used for the map server's access application through the second download link;

Send the second download link and the second verification identification to the target vehicle, so that the target vehicle accesses the second download link and passes the verification by the map server through the second verification identification. , download the target map data file from the second download link and update it to the corresponding directory file.
The method of claim 6, further comprising:

Obtain the data volume of the target map data file from the map server;

The data amount is counted into the traffic usage record of the target vehicle.
A device for downloading map update data, including:

an update request receiving unit, configured to receive a map update request from the target vehicle, wherein the update request The new request includes vehicle information of the target vehicle;

An update data determination unit configured to determine update data corresponding to the target vehicle, where the update data includes at least one download item that is downloaded in sequence;

An update data processing unit is configured to verify the target vehicle according to the vehicle information, and download the update data to the target vehicle when the verification result is passed.
An electronic device, the electronic device includes:

at least one processor; and

a memory communicatively connected to the at least one processor; wherein,

The memory stores a computer program executable by the at least one processor, the computer program being executed by the at least one processor, so that the at least one processor can execute any one of claims 1-7 The method for downloading map update data.
A computer-readable storage medium stores computer instructions, and the computer instructions are used to implement the map update data downloading method described in any one of claims 1-7 when executed by a processor.