Electronic device, wireless communication method and computer-readable storage medium
The present disclosure relates to an electronic device, a wireless communication method, and a computer-readable storage medium. The electronic device according to the present disclosure comprises a processing circuit and is configured to: determine one or more relay vehicles that must forward a message related to a vehicle; generate the message related to the vehicle, the message comprising information of the one or more relay vehicles; and send the message. By using the electronic device, wireless communication method, and computer-readable storage medium according to the present disclosure, the redundancy of information sending can be reduced while expanding the coverage range of a message so as to save on overhead and reduce interference, thereby optimizing a message sending process in the Internet of Vehicles.
1. An electronic device, comprising processing circuitry configured to:
determine one or more relay vehicles required to forward a vehicle-related message;
generate the vehicle-related message, wherein the message comprises information about the one or more relay vehicles; and
send the message,
wherein the processing circuitry is further configured to:
determine the one or more relay vehicles based on a real-time topology map in a predetermined range, wherein the real-time topology map comprises real-time position information of all vehicles in the predetermined range;
determine a propagation path of the message;
project vehicles in the real-time topology map onto the propagation path of the message to generate a projection topology map;
determine the one or more relay vehicles based on positions of vehicles in the projection topology map, wherein the real-time topology map further comprises communication quality information of all the vehicles in the predetermined range;
determine the one or more relay vehicles based on the communication quality information of all the vehicles in the predetermined range;
cluster the vehicles in the predetermined range into classes based on the communication quality information;
determine a center of each of the classes;
determine, for each pair of adjacent centers, a midpoint of a line between the pair of adjacent centers; and
determine a vehicle, closest to the midpoint of each pair of the adjacent centers, as the one or more relay vehicles.
2. The electronic device according to claim 1 , wherein the processing circuitry is further configured to:
send request information to a road side unit for requesting the real-time topology map; and
receive the real-time topology map from the road side unit.
3. The electronic device according to claim 2 , wherein the processing circuitry is further configured to:
receive the real-time topology map using a map message.
4. The electronic device according to claim 1 , wherein the processing circuitry is further configured to:
determine, based on position information, speed information and driving route information of the vehicles in the predetermined range, real-time positions of the vehicles; and
generate the real-time topology map based on the real-time positions of the vehicles.
5. The electronic device according to claim 1 , wherein the communication quality information comprises link loss information and/or signal to interference plus noise ratio information.
6. The electronic device according to claim 1 , wherein the information about the one or more relay vehicles comprises at least one of the following information: identification information of each of the relay vehicles, position information of each of the relay vehicles, and message transmission range information of each of the relay vehicles.
7. The electronic device according to claim 1 , wherein the vehicle-related message comprises a basic safety message, a road side unit message, and a road side safety message.
8. The electronic device according to claim 1 , wherein the electronic device is a road side unit or a vehicle.
9. A wireless communication method performed by an electronic device, comprising:
determining one or more relay vehicles required to forward a vehicle-related message;
generating the vehicle-related message, wherein the message comprises information about the one or more relay vehicles; and
sending the message,
wherein the method further comprises:
determining the one or more relay vehicles based on a real-time topology map in a predetermined range, wherein the real-time topology map comprises real-time position information of all vehicles in the predetermined range;
determining a propagation path of the message;
projecting vehicles in the real-time topology map onto the propagation path of the message to generate a projection topology map;
determining the one or more relay vehicles based on positions of vehicles in the projection topology map, wherein the real-time topology map further comprises communication quality information of all the vehicles in the predetermined range;
determining the one or more relay vehicles based on the communication quality information of all the vehicles in the predetermined range;
clustering the vehicles in the predetermined range into classes based on the communication quality information;
determining a center of each of the classes;
determining, for each pair of adjacent centers, a midpoint of a line between the pair of adjacent centers; and
determining a vehicle closest to the midpoint of each pair of the adjacent centers, as the one or more relay vehicles.
10. The wireless communication method according to claim 9 , further comprising:
sending request information to a road side unit for requesting the real-time topology map; and
receiving the real-time topology map from the road side unit.
11. The wireless communication method according to claim 10 , wherein the receiving the real-time topology map comprises:
receiving the real-time topology map using a map message.