Communication Method, System and System for Vehicles and External Devices Based on 5GC-V2X Technology

Abstract

The present invention provides a communication system, method and terminal for a vehicle and an external vehicle device based on 5G C-V2X technology. The communication system for a vehicle and an external vehicle device based on 5G C-V2X technology includes a microprocessor and a 5G C-V2X module group. The communication system, method and terminal provided by the present invention support data transmission at a maximum rate of 1000 Mbps, can implement the sixth-generation wireless network (WIFI 6) and 5G communication between the vehicle and the external vehicle device, have a short delay time, improve the bandwidth transmission efficiency and network capacity, and the data transmission is safe and reliable. In addition, through network communication authorization, the vehicle can communicate with the background and third-party platforms, support a variety of new automotive applications, and enhance the passenger user experience.

Description

Technical Field

[0001] The present invention relates to the field of communication technologies, and more particularly, to a communication method, system and system for a vehicle and an external vehicle device based on 5GC-V2X technology. Background Art

[0002] In the process of industrialization and urbanization, there are increasingly serious problems of resource shortage and environmental deterioration. While a large amount of resources such as land and fuel are occupied and consumed, not only is the traffic demand not fully met, but also the emissions of vehicle exhaust increase sharply due to road congestion, which not only causes huge economic losses, but also has an adverse impact on the environment. As a new generation of transportation solution that comprehensively solves traffic problems and protects the coordinated development of the economy and the environment, intelligent transportation has become an important development trend in the transportation industry.

[0003] V2X (vehicle to everything) vehicle networking can realize communication between vehicles, between vehicles and people, between vehicles and roadside, and between vehicles and cloud platforms, realize the sharing of information, and make autonomous driving say goodbye to the era of "single vehicle intelligence".

[0004] Among them, the LTE-V2X technology, based on 4G-LTE communication and network technology, realizes "information interaction and sharing between vehicles, between vehicles and people, between vehicles and roads, and between vehicles and clouds" through devices such as OBU and RSU. However, LTE-V2X has problems such as low data transmission rate, small network capacity, and high latency, and cannot fully meet the requirements of real-time information transmission in vehicle driving. The existing 5G has higher throughput, reliability, availability and lower latency. The cellular vehicle networking (C-V2X) technology, 5G C-V2X provides a general wireless network that supports the integration of various applications under urban, suburban and highway driving conditions. 5G C-V2X will support a variety of new automotive applications, including collision avoidance and safety systems (V2V), traffic signal timing / priority (V2I), real-time traffic / route and cloud services (V2N), and pedestrian / cyclist safety alerts (V2P). Therefore, it is urgent to develop vehicle networking technology based on 5G C-V2X technology to solve the existing technical problems of large delay time and poor reliability of data packet transmission. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide a simple communication method, system and system for a vehicle and an external vehicle device based on 5G C-V2X technology, which can realize communication between a vehicle and an external vehicle device through base station control, and at the same time has a smaller delay time and higher reliability in data packet transmission, and can be used as a part of 5G technology.

[0006] The present invention provides a communication system for a vehicle and an external device based on 5G C-V2X technology, including a microprocessor and a 5G C-V2X module group, wherein:

[0007] The microprocessor includes a communication management module, a data acquisition module, a fault inspection module, and a clock management module; the communication management module is configured to receive data sent by the vehicle and send the received vehicle data to the 5G C-V2X module after connecting to the 5G C-V2X module through a microprocessor interface; the data acquisition module is configured to acquire vehicle data and external device data; the fault inspection module is configured to automatically check the working state of the terminal and monitor the fault behavior events of the vehicle; the clock management module is configured to synchronize the time of the data of the 5G C-V2X module with the vehicle data;

[0008] The 5G C-V2X module includes an operating system module, a C-V2X service module, and a terminal service module; the operating system module is configured to connect the C-V2X service module and the terminal service module; the C-V2X service module includes a data management unit, a C-V2X data processing unit, a C-V2X application scenario unit, a system management unit, an encryption and adaptation hardware management unit, and a protocol stack unit; the data management unit is configured to manage V2X data generated by interacting with the background through a 5G network, V2X data of nearby vehicles received through a PC5 interface, and V2X data generated by the communication system; the C-V2X data processing unit is configured to process the V2X data to obtain data elements required by the C-V2X application scenario unit and send them to the C-V2X application scenario unit; the C-V2X application scenario unit is configured to trigger corresponding scenario applications according to the data information collected by the vehicle itself and the data elements sent by the C-V2X data processing unit; the system management unit is configured to manage the connection of external devices, system processing processes, and data sending forms; the encryption and adaptation hardware management unit is configured to perform matching, encryption, decryption, signature, and signature verification during communication between the vehicle and the external device; the protocol stack unit is configured to package the data sent by the external device received to implement full-stack protocols of the PC5 access layer, network layer, message layer, and communication security layer.

[0009] In the communication system between a vehicle and an external device based on 5GC-V2X technology of the present invention, the terminal service module includes a universal serial interface, a WIFI 6 communication unit, an Ethernet interface, a 5G communication unit, a background communication unit, a network management unit, and a network security unit. Among them, the universal serial interface is used to connect in-vehicle peripheral devices; the WIFI 6 communication unit is used to access the sixth wireless communication local area network and perform wireless network management on the devices accessing the sixth wireless communication local area network; the Ethernet interface is used to access 100M and 1000M Ethernet; the 5G communication unit is used to access the 5G network and manage the status of the 5G wireless network; the network management unit is used to perform network permission management on the communication system, the vehicle, and the external devices that establish communication connections with the vehicle through the communication system; the network security unit is used to generate, manage, store, distribute, and revoke keys and certificates based on the public key cryptosystem.

[0010] In the communication system between a vehicle and an external device based on 5GC-V2X technology of the present invention, it further includes a data processing module and a power management module. Among them, the data processing module is used to calculate and process the collected vehicle data and the received external device data; the power management module supplies power to the communication system and provides a backup power supply when power is cut off.

[0011] In the communication system between a vehicle and an external device based on 5GC-V2X technology of the present invention, the C-V2X data processing unit is used to call the data passed the signature verification for arithmetic processing to obtain the data elements, and send the encrypted data elements to the C-V2X application scenario unit.

[0012] The present invention also provides a communication method between a vehicle and an external device based on 5G C-V2X technology, which is applied to the communication system between a vehicle and an external device based on 5GC-V2X technology. The method includes:

[0013] Receiving the data sent by the vehicle and the GNSS coordinate data of the vehicle;

[0014] Generating C-V2X scenario application data according to the data sent by the vehicle and the GNSS coordinate data of the vehicle;

[0015] Packaging the C-V2X scenario application data through the protocol stack unit and encrypting the C-V2X scenario application data;

[0016] Sending the packaged and encrypted C-V2X scenario application data to the terminals related to the application scenario.

[0017] In the communication method between a vehicle and an external device based on 5G C-V2X technology of the present invention, the method includes:

[0018] Receive the data sent by the off-vehicle device through the terminal service module;

[0019] Pack and sign the C-V2X scenario application data through the protocol stack unit;

[0020] Process the C-V2X scenario application data that passes the signature verification through the C-V2X data processing unit, obtain the data elements required by the C-V2X application scenario unit, and send them to the C-V2X application scenario unit.

[0021] In the communication method between a vehicle and an off-vehicle device based on 5G C-V2X technology of the present invention, the terminal service module includes a universal serial interface, a WIFI 6 communication unit, an Ethernet interface, a 5G communication unit, a background communication unit, a network management unit, and a network security unit; the method includes:

[0022] Access the 5G network communication channel through the 5G communication unit;

[0023] The network management unit authorizes the background communication unit to connect to the background. After the background communication unit sends a communication request to the background and establishes 5G communication between the vehicle and the background, the background sends data to the vehicle through the 5G network;

[0024] The vehicle sends V2X data to the background communication unit through the 5G network;

[0025] The network management unit authorizes the background communication unit to receive the V2X data;

[0026] The background communication unit receives the V2X data and sends it to the background.

[0027] In the communication method between a vehicle and an off-vehicle device based on 5G C-V2X technology of the present invention, the vehicle includes an in-vehicle infotainment system, and the method includes:

[0028] The network management unit authorizes access to the third-party platform, and the in-vehicle infotainment system accesses the third-party platform through the 5G network;

[0029] The off-vehicle device accesses WIFI 6 through the WIFI 6 communication unit, and accesses the 5G network through WIFI 6. The network management unit authorizes access to the third-party platform, and the off-vehicle device accesses the third-party platform through the 5G network.

[0030] The present invention also provides another communication terminal for vehicles and external devices based on 5G C-V2X technology, and the communication terminal includes the communication system for vehicles and external devices based on 5G C-V2X technology as described in any one of claims 1 to 4.

[0031] The present invention also provides an electric vehicle, and the electric vehicle includes a communication terminal for vehicles and external devices based on 5G C-V2X technology.

[0032] The communication method, system and terminal for vehicles and external devices based on 5G C-V2X technology provided by the present invention support data transmission at a maximum rate of 1000 Mbps by constructing a vehicle networking communication module for 5G C-V2X, and can achieve the sixth-generation wireless network (WIFI 6) and 5G communication between vehicles and external devices, with a short delay time, improving the bandwidth transmission efficiency and network capacity, and ensuring secure and reliable data transmission. In addition, through network communication authorization, the vehicle can communicate with the background and third-party platforms, supporting a variety of new automotive applications, such as collision avoidance and safety systems (V2V), traffic signal timing / priority (V2I), real-time traffic / route and cloud services (V2N), and pedestrian / cyclist safety alerts (V2P), enhancing the passenger user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 is a schematic diagram of the first embodiment of the communication system for vehicles and external devices based on 5G C-V2X technology of the present invention;

[0034] Figure 2 is a schematic diagram of the second embodiment of the communication system for vehicles and external devices based on 5G C-V2X technology of the present invention;

[0035] Figure 3 is a flowchart of the third embodiment of the communication method for vehicles and external devices based on 5G C-V2X technology of the present invention;

[0036] Figure 4 is a flowchart of the fourth embodiment of the communication method for vehicles and external devices based on 5G C-V2X technology of the present invention;

[0037] Figure 5 is a flowchart of the fifth embodiment of the communication method for vehicles and external devices based on 5G C-V2X technology of the present invention;

[0038] Figure 6 is a flowchart of the sixth embodiment of the communication method for vehicles and external devices based on 5G C-V2X technology of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0039] In order to make the objectives, technical solutions and advantages of the present invention more clear and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0040] As Figure 1 shown, it is a schematic diagram of the first embodiment of the communication system between a vehicle and an external device based on 5G C-V2X technology. This communication system can be applied to electric vehicles. The communication system between the vehicle and the external device based on 5G C-V2X technology includes: a microprocessor 100 and a 5G C-V2X module group 200, where:

[0041] The microprocessor 100 includes a communication management module 101, a data acquisition module 102, a fault inspection module 103, a clock management module 104, and a power management module 105. The communication management module 102 is used to receive the data sent by the vehicle and send the received vehicle data to the 5G C-V2X module 200 after connecting to the 5G C-V2X module 200 through the interface of the microprocessor 100. The data acquisition module 102 is used to acquire the vehicle data and the data of the external device. The fault inspection module 103 is used to automatically check the working state of the terminal and monitor the fault behavior events of the vehicle. The clock management module 104 is used to synchronize the time of the data of the 5G C-V2X module 200 with the vehicle data.

[0042] The 5G C-V2X module 200 includes an operating system module 201, a C-V2X service module 202, and a terminal service module 203; the operating system module 201 is used to connect the C-V2X service module 202 and the terminal service module 203; the C-V2X service module 202 includes a data management unit 2021, a C-V2X data processing unit 2022, a C-V2X application scenario unit 2023, a system management unit 2024, an encryption and adaptation hardware management unit 2025, and a protocol stack unit 2026; the data management unit 2021 is used to manage V2X data generated by interacting with the background through the 5G network, V2X data of nearby vehicles received through the PC5 interface, and V2X data generated by the communication system; the C-V2X data processing unit 2022 is used to process the V2X data to obtain data elements required by the C-V2X application scenario unit 2023 and send them to the C-V2X application scenario unit 2023; the C-V2X application scenario 2023 unit is used to trigger corresponding scenario applications according to data information collected by the vehicle itself and the data elements sent by the C-V2X data processing unit 2022 received; the system management unit 2024 is used to manage the connection of external vehicle devices, system processing processes, and data sending forms; the encryption and adaptation hardware management unit 2025 is used for matching, encryption, decryption, signature, and signature verification during communication between the vehicle and external vehicle devices; the protocol stack unit 2026 is used to package data sent by the external vehicle devices received to implement the full-stack protocols of the PC5 access layer, network layer, message layer, and communication security layer. The C-V2X scenario applications are as follows:

[0043]

[0044]

[0045]

[0046] Further, the terminal service module 203 includes a Universal Serial Interface 2031, a WIFI 6 communication unit 2032, an Ethernet interface 2033, a 5G communication unit 2034, a background communication unit 2035, a network management unit 2036, and a network security unit 2037. Among them, the Universal Serial Interface 2031 is used to connect in-vehicle peripheral devices. The Universal Serial Interface 2031 integrates the 2.0 and 3.0 versions of the Universal Serial Interface, and can provide services for other terminal devices to interact with the communication system for data. The WIFI6 communication unit 2032 is used to access the sixth-generation wireless communication local area network and perform wireless network management on the devices accessing the sixth-generation wireless communication local area network. The WIFI 6 communication unit 2032 integrates the sixth-generation wireless communication technology, providing faster speed, lower latency, larger capacity, more secure, and more power-saving services for the terminal. The Ethernet interface 2033 is used to access 100M and 1000M Ethernet; the 5G communication unit 2034 is used to access the 5G network and manage the status of the 5G wireless network; the network management unit 2036 is used to perform network permission management on the communication system, the vehicle, and the out-of-vehicle devices that establish a communication connection with the vehicle through the communication system; the network security unit 2037 is used to generate, manage, store, distribute, and revoke keys and certificates based on the public key cryptosystem.

[0047] Further, the C-V2X data processing unit 2022 calls the data passed the signature verification for arithmetic processing to obtain the data element, and sends the encrypted data element to the C-V2X application scenario unit 2023.

[0048] The above 5G + C-V2X module 200 can use Huawei's MH5000-871 module to provide 5G communication and direct communication (PC5) services.

[0049] The above communication system builds a vehicle-to-everything (V2X) communication module based on 5G C-V2X, supports data transmission at a maximum rate of 1000 Mbps, enables the sixth-generation wireless network (WIFI 6) and 5G communication between vehicles and out-of-vehicle devices, provides a general wireless network, and supports the integration of multiple applications under urban, suburban, and highway driving conditions. It has a short delay time, high bandwidth transmission efficiency and network capacity, and secure and reliable data transmission. In addition, 5G C-V2X will support a variety of new automotive applications, including collision avoidance and safety systems (V2V), traffic signal timing / priority (V2I), real-time traffic / routing and cloud services (V2N), and pedestrian / cyclist safety alerts (V2P), enhancing the passenger user experience.

[0050] Such as Figure 2As shown in the figure, it is a schematic diagram of the second embodiment of the communication system between a vehicle and an external vehicle device based on 5G C-V2X technology. The communication system further includes a data processing module 300 and a power management module 105. Among them, the data processing module 300 is used to calculate and process the collected vehicle data and the received external vehicle device data; the power management module 105 supplies power to the communication system and provides a backup power supply when power is cut off. The data processing module 300 can adopt the AG215S module of Quectel Wireless Solutions to provide data processing services for the terminal, and calculate and process the data collected by this vehicle and the data received from other external vehicle devices. Moreover, the 5G C-V2X module 200 of the second embodiment adopts the AG550 module of Quectel Wireless Solutions (Qualcomm chip), which can provide 5G + C-V2X communication services, transmit the data of this vehicle and receive the data of other external vehicle devices. The communication system between the vehicle and the external vehicle device based on 5G C-V2X technology of the present invention has flexible hardware configuration and can support various models of electric vehicles.

[0051] As Figure 3 shown in the figure, it is the third embodiment of the communication method between a vehicle and an external vehicle device based on 5G C-V2X technology of the present invention. Applied to the above-mentioned communication system between a vehicle and an external vehicle device based on 5G C-V2X technology, the method includes:

[0052] Step S31: Receive the data sent by the vehicle and the GNSS coordinate data of the vehicle;

[0053] Step S32: Generate C-V2X scenario application data according to the data sent by the vehicle and the GNSS coordinate data of the vehicle;

[0054] Step S33: Package the C-V2X scenario application data through the protocol stack unit and encrypt the C-V2X scenario application data;

[0055] Step S34: Send the packaged and encrypted C-V2X scenario application data to the terminal related to the application scenario.

[0056] As Figure 4 shown in the figure, it is the fourth embodiment of the communication method between a vehicle and an external vehicle device based on 5G C-V2X technology of the present invention. Applied to the above-mentioned communication system between a vehicle and an external vehicle device based on 5G C-V2X technology, the method includes:

[0057] Step S41: Receive the data sent by the external vehicle device through the terminal service module;

[0058] Step S42: Package the C-V2X scenario application data through the protocol stack unit and sign the C-V2X scenario application data;

[0059] Step S43: Process the C-V2X scenario application data that has passed the signature verification through the C-V2X data processing unit to obtain the data elements required by the C-V2X application scenario unit, and send them to the C-V2X application scenario unit.

[0060] As Figure 5 shown, it is the fifth embodiment of the communication method between a vehicle and an external vehicle device based on 5G C-V2X technology of the present invention. Applied to the communication system between a vehicle and an external vehicle device based on the above 5G C-V2X technology, the method includes:

[0061] Step S51: Access the 5G network communication channel through the 5G communication unit;

[0062] Step S52: The network management unit authorizes the back-end communication unit to connect to the back-end. After the back-end communication unit sends a communication request to the back-end and establishes 5G communication between the vehicle and the back-end, the back-end sends data to the vehicle through the 5G network;

[0063] Step S53: The vehicle sends V2X data to the back-end communication unit through the 5G network;

[0064] Step S54: The network management unit authorizes the back-end communication unit to receive the V2X data;

[0065] Step S54: The back-end communication unit receives the V2X data and sends it to the back-end.

[0066] As Figure 6 shown, it is the sixth embodiment of the communication method between a vehicle and an external vehicle device based on 5G C-V2X technology of the present invention. Applied to the communication system between a vehicle and an external vehicle device based on the above 5G C-V2X technology, the vehicle includes an in-vehicle infotainment system, and the method includes:

[0067] Step S61: The network management unit authorizes access to a third-party platform, and the in-vehicle infotainment system accesses the third-party platform through the 5G network;

[0068] Step S62: The external vehicle device accesses WIFI 6 through the WIFI 6 communication unit, and accesses the 5G network through WIFI 6. The network management unit authorizes access to the third-party platform, and the external vehicle device accesses the third-party platform through the 5G network.

[0069] The present invention also provides a corresponding communication terminal between a vehicle and an external vehicle device based on 5G C-V2X technology, and the communication terminal includes the communication system between a vehicle and an external vehicle device based on the above 5G C-V2X technology.

[0070] The present invention also provides an electric vehicle, which includes the communication terminal between the vehicle and the off-vehicle device based on the 5GC-V2X technology described above.

[0071] As described above, only the specific preferred embodiments of the present invention are provided, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

1. A communication system between a vehicle and an external device based on 5GC-V2X technology, characterized in that, It includes a microprocessor and a 5G C-V2X module group, where: The microprocessor includes a communication management module, a data acquisition module, a fault inspection module, and a clock management module; the communication management module is used to receive the data sent by the vehicle, and after connecting to the 5G C-V2X module through the microprocessor interface, send the received vehicle data to the 5G C-V2X module; the data acquisition module is used to acquire the vehicle data and the data of external vehicle devices; the fault inspection module is used to automatically check the working status of the terminal and monitor the fault behavior events of the vehicle; the clock management module is used to synchronize the time of the data of the 5G C-V2X module with the vehicle data; The 5G C-V2X module includes an operating system module, a C-V2X service module, and a terminal service module; the operating system module is used to connect the C-V2X service module and the terminal service module; the C-V2X service module includes a data management unit, a C-V2X data processing unit, a C-V2X application scenario unit, a system management unit, an encryption and adaptation hardware management unit, and a protocol stack unit; the data management unit is used to manage the V2X data generated by interacting with the background through the 5G network, the V2X data of nearby vehicles received through the PC5 interface, and the V2X data generated by the communication system; the C-V2X data processing unit is used to process the V2X data to obtain the data elements required by the C-V2X application scenario unit and send them to the C-V2X application scenario unit; the C-V2X application scenario unit is used to trigger corresponding scenario applications according to the data information collected by the vehicle itself and the data elements sent by the C-V2X data processing unit; the system management unit is used to manage the connection of external vehicle devices, the system processing process, and the data sending form; the encryption and adaptation hardware management unit is used for matching, encryption, decryption, signature, and signature verification during the communication between the vehicle and external vehicle devices; the protocol stack unit is used to pack the data sent by the external vehicle device received to implement the full-stack protocols of the PC5 access layer, network layer, message layer, and communication security layer; The C-V2X data processing unit is used to call the data passed the signature verification for arithmetic processing to obtain the data elements, and send the encrypted data elements to the C-V2X application scenario unit; The terminal service module includes a WIFI 6 communication unit, a 5G communication unit, a background communication unit, a network management unit, and a network security unit; the WIFI 6 communication unit is used to access the sixth-generation wireless communication local area network and perform wireless network management on the devices accessing the sixth-generation wireless communication local area network; the 5G communication unit is used to access the 5G network and manage the status of the 5G wireless network. The network management unit is used to perform network permission management on the communication system, the vehicle, and the off-vehicle devices that establish a communication connection with the vehicle through the communication system; the network security unit is used to generate, manage, store, distribute, and revoke keys and certificates based on the public key cryptosystem.

2. The communication system between a vehicle and an off-vehicle device based on 5GC-V2X technology according to claim 1, wherein The terminal service module includes a universal serial interface and an Ethernet interface. Among them, the universal serial interface is used to connect in-vehicle peripheral devices; the Ethernet interface is used to access 100M and 1000M Ethernet.

3. The communication system between a vehicle and an off-vehicle device based on 5GC-V2X technology according to claim 2, wherein It further includes a data processing module and a power management module. Among them, the data processing module is used to calculate and process the collected vehicle data and the received off-vehicle device data; the power management module supplies power to the communication system and provides a backup power supply in case of power failure.

4. A communication method between a vehicle and an external device based on 5GC-V2X technology, characterized in that, Applied to the communication system between a vehicle and an off-vehicle device based on 5GC-V2X technology as described in any one of claims 1 to 3, the method includes: Receiving the data sent by the vehicle and the GNSS coordinate data of the vehicle; Generating C-V2X scenario application data according to the data sent by the vehicle and the GNSS coordinate data of the vehicle; Packing and encrypting the C-V2X scenario application data through the protocol stack unit; Sending the packed and encrypted C-V2X scenario application data to the terminal related to the application scenario.

5. The communication method between a vehicle and an off-vehicle device based on 5GC-V2X technology according to claim 4, wherein The method includes: Receiving the data sent by the off-vehicle device through the terminal service module; Packing and signing the C-V2X scenario application data through the protocol stack unit; Processing the C-V2X scenario application data that passes the signature verification through the C-V2X data processing unit, obtaining the data elements required by the C-V2X application scenario unit, and sending them to the C-V2X application scenario unit.

6. The communication method between a vehicle and an off-vehicle device based on 5GC-V2X technology according to claim 4, characterized in that, The terminal service module includes a universal serial interface, a WIFI 6 communication unit, an Ethernet interface, a 5G communication unit, a background communication unit, a network management unit, and a network security unit; the method includes: Accessing the 5G network communication channel through the 5G communication unit; The network management unit authorizes the background communication unit to connect to the background. After the background communication unit sends a communication request to the background and establishes 5G communication between the vehicle and the background, the background sends data to the vehicle through the 5G network; The vehicle sends V2X data to the background communication unit through the 5G network; The network management unit authorizes the background communication unit to receive the V2X data; The background communication unit receives the V2X data and sends it to the background.

7. The communication method between a vehicle and an external device based on 5GC-V2X technology according to claim 6, characterized in that, The vehicle includes an in-vehicle infotainment system, and the method includes: The network management unit authorizes access to a third-party platform, and the in-vehicle infotainment system accesses the third-party platform through a 5G network; The vehicle external device accesses WIFI 6 through a WIFI 6 communication unit, and accesses the 5G network through WIFI 6. The network management unit authorizes access to the third-party platform, and the vehicle external device accesses the third-party platform through the 5G network.

8. A communication terminal for a vehicle and an external device based on 5GC-V2X technology, characterized in that, The communication terminal includes the vehicle-vehicle external device communication system based on 5GC-V2X technology according to any one of claims 1 to 3.

9. An electric vehicle, characterized in that, It includes the communication terminal of the vehicle-vehicle external device based on 5GC-V2X technology according to claim 8.

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