Patent ID: 11916824
Assignee: LG ELECTRONICS INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. The method according to claim 5, wherein:
the feedback signal includes a first feedback signal corresponding to the first reference signal and a second feedback signal corresponding to the second reference signal,
the method further comprises:
transmitting, by the reception user equipment (UE), at least one of first information about a time difference between the first reception time point and a third transmission time point where the reception user equipment (UE) transmits the first feedback signal, and second information about a time difference between the second reception time point and a fourth transmission time point where the reception user equipment (UE) transmits the second feedback signal, to the transmission user equipment (UE), and

the distance between the transmission user equipment (UE) and the reception user equipment (UE) is calculated based on at least one of the first information indicating a time difference between the third transmission time point and the first reception time point and the second information indicating a time difference between the fourth transmission time point and the second reception time point.