Patent ID: 11927683
Assignee: LG ELECTRONICS INC.
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A method of obtaining position information of a current vehicle based on V2X communication, comprising:
receiving, from a road side unit (RSU), a V2I message including absolute position information of the RSU;
receiving, from each of a first surrounding vehicle and a second surrounding vehicle, a V2X message including reception time information related to time when the V2I message is received;
obtaining, by the current vehicle, a relative position of each of the first surrounding vehicle and the second surrounding vehicle to the current vehicle by using a sensor mounted on the current vehicle;
calculating a relative position of the RSU to the current vehicle, based on the reception time information time when the current vehicle receives the V2I message, and the relative position of each of the first surrounding vehicle and the second surrounding vehicle to the current vehicle; and
obtaining an absolute position of the current vehicle based on the relative position of the RSU to the current vehicle and the absolute position information of the RSU.