Data processing method and apparatus, vehicle-end device, cloud server, and electronic device

1. A device comprising:

at least one memory configured to store instructions; and

at least one processor coupled to the memory and configured to execute the instructions to cause the device to:

send, to a cloud server coupled to the device via a communication link, a first message requesting to access a roadside device and to obtain signal transmit power-related information of static roadside equipment;

receive, from the cloud server, a second message that is based on the first message and on a prestored high-definition map, wherein the second message comprises information regarding accessing the roadside device and the signal transmit power-related information; and

determine, based on the second message, a first signal transmit power of the device.

2. The device of claim 1 , wherein the signal transmit power-related information comprises an adjustment instruction for adjusting the first signal transmit power.

3. The device of claim 1 , wherein the at least one processor is further configured to execute the instructions to cause the vehicle end device to:

receive, from the cloud server, the prestored high-definition map; and

adjust, based on the prestored high-definition map, the first signal transmit power.

4. The device of claim 3 , wherein the at least one processor is further configured to execute the instructions to cause the device to:

extract, from the prestored high-definition map, attribute information of the static roadside equipment corresponding to location information of the device; and

further adjust, based on the attribute information, the first signal transmit power.

5. The device of claim 4 , wherein the attribute information comprises a correspondence between a signal coverage and a second signal transmit power, and wherein the at least one processor is further configured to execute the instructions to cause the device to:

make a determination that a location indicated by the location information is in the signal coverage;

determine, in response to the determination and from the correspondence, a second signal transmit power corresponding to the signal coverage; and

further adjust, based on the second signal transmit power, the first signal transmit power.

6. A device comprising:

at least one memory configured to store instructions; and

at least one processor coupled to the memory and configured to execute the instructions to cause the device to:

send, to a cloud server coupled to the device via a communication link, a first message to access a roadside device;

receive, from the cloud server, a second message that is based on the first message and on a prestored high-definition map, wherein the second message comprises information about accessing the roadside device by the device; and

access the roadside device based on the second message.

7. A cloud server comprising:

at least one memory configured to store instructions; and

at least one processor coupled to the memory and configured to execute the instructions to cause the apparatus to:

receive, from a device coupled to the cloud server via a communication link, a first message requesting to access a roadside device and to obtain signal transmit power-related information of a static roadside equipment;

generate, based on the first message and a prestored high-definition map, a second message comprising information regarding accessing the roadside device and the signal transmit power-related information; and

send the second message to the device.

8. The cloud server of claim 7 , wherein the signal transmit power-related information comprises an adjustment instruction for adjusting a first signal transmit power of the device.

9. The cloud server of claim 8 , wherein the first message comprises location information of the device, and wherein the at least one processor is further configured to execute the instructions to cause the apparatus to:

extract, from the prestored high-definition map, attribute information of the static roadside equipment corresponding to the location information; and

further generate, based on the attribute information, the second message comprising the adjustment instruction.

10. The cloud server of claim 9 , wherein the attribute information comprises a correspondence between a signal coverage and a second signal transmit power, and wherein the at least one processor is further configured to execute the instructions to cause the apparatus to:

make a determination that a location indicated by the location information is in the signal coverage;

determine, in response to the determination and from the correspondence, the second signal transmit power corresponding to the signal coverage; and

generate, based on the second signal transmit power, the adjustment instruction.

11. The cloud server of claim 7 , wherein the at least one processor is further configured to execute the instructions to cause the apparatus to:

obtain location information of a roadside facility, wherein the roadside facility comprises a roadside device or the static roadside equipment;

obtain first attribute information of the roadside facility, wherein the first attribute information comprises second attribute information of the roadside device or third attribute information of the static roadside equipment; and

construct the prestored high-definition map based on the location information, the first attribute information, and a preset vector map.

12. The cloud server of claim 11 , wherein the at least one processor is further configured to execute the instructions to cause the apparatus to:

add the roadside facility to the vector map as a node based on the location information; and

store the first attribute information as an attribute field of the node suitable for generating the prestored high-definition map.

13. The cloud server of claim 11 , wherein the second attribute information-comprises information for accessing the roadside device, and wherein the third attribute information comprises a correspondence between a signal coverage and a second signal transmit power.

14. The cloud server of claim 11 , wherein the at least one processor is further configured to execute the instructions to cause the apparatus to:

collect point cloud information or video information corresponding to a road, and extract the location information from the point cloud information or the video information; or

obtain the location information using a surveying and mapping device.

15. A cloud server comprising:

at least one memory configured to store instructions; and

at least one processor coupled to the memory and configured to execute the instructions to cause the cloud server to:

receive, from a device coupled to the cloud server via a communication link, a first message requesting to access a roadside device;

generate, based on the first message and a prestored high-definition map, a second message comprising information regarding accessing the roadside device by the device, wherein the second message is configured to enable the device to access the roadside device; and

send the second message to the device.

16. The cloud server of claim 15 , wherein the at least one processor is further configured to execute the instructions to cause the cloud server to:

obtain location information of a roadside facility, wherein the roadside facility comprises the roadside device or the static roadside equipment;

obtain first attribute information of the roadside facility, wherein the first attribute information comprises second attribute information of the roadside device and third attribute information of the static roadside equipment; and

construct the prestored high-definition map based on the location information, the first attribute information, and a preset vector map.

17. The cloud server of claim 16 , wherein the at least one processor is further configured to execute the instructions to cause the cloud server to:

add the roadside facility to the vector map as a node based on the location information; and

store the first attribute information as an attribute field of the node to generate the prestored high-definition map.

18. The cloud server of claim 16 , wherein the second attribute information comprises information about accessing the roadside device, and wherein the third attribute information comprises a correspondence between a signal coverage and a signal transmit power.

19. The cloud server of claim 16 , wherein the at least one processor is further configured to execute the instructions to cause the cloud server to:

collect point cloud information or video information corresponding to a road; and

extract the location information from the point cloud information or the video information.

20. The cloud server of claim 16 , wherein the at least one processor is further configured to execute the instructions to cause the cloud server to obtain the location information using a surveying and mapping device.