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

Claim 7:
8. The method according to claim 1, 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 third transmission time point where the reception user equipment (UE) transmits the first feedback signal and the 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 information about a time difference between the third transmission time point and the fourth transmission time point.