Patent ID: 8848580

Claim:
A method of communicating in a wireless communication system, performed by a relay station (RS), the method comprising: receiving configuration information from a base station (BS), the configuration information indicating at least one backhaul link subframe among a fixed number of subframes in a time domain, wherein the at least one backhaul link subframe can be used for transmission from the BS to the RS; configuring at least one subframe based on the configuration information; and receiving a signal from the BS by using the at least one configured subframe, wherein the at least one configured subframe is selected among the at least one backhaul link subframe with an exception that predefined subframes of a radio frame are excluded, wherein when the radio flame includes ten subframes, the predefined subframes are a first, a fifth, a sixth and a tenth subframe of the radio flame when the BS and the RS are operated in frequency division duplex (FDD).