Patent ID: 8982766
Filing Date: 2015-03-17
Classification: H04B,H04L

Abstract:
1. A method of a relay station transmitting a signal in a wireless communication system, the method comprising: receiving, by the relay station, a parameter distinguishing a first subcarrier set used for a relay-sounding reference signal (R-SRS) from a second subcarrier set used for a sounding reference signal (SRS); placing, by the relay station, a guard time in a subframe including a plurality of symbol periods in a time domain; and transmitting, by the relay station, a control signal or data to a base station using symbol periods other than a symbol period which includes the guard time in the subframe, wherein the guard time is equal to or shorter than one symbol period, and wherein, when the subframe is configured to transmit a relay-sounding reference signal (R-SRS),