A method and an apparatus for receiving or transmitting a signal of a relay station in a wireless communication system are provided. The relay station receives or transmits a signal using radio resources indicated by backhaul resource allocation information. In this case, the radio resources include a plurality of symbols in a time domain, and the plurality of symbols have boundaries which are shifted based on symbols included in a frequency band allocated to a macro user equipment. And the radio resources include a plurality of subcarriers in a frequency domain, and at least one subcarrier adjacent to the frequency band allocated to the macro user equipment among the plurality of subcarriers is set to a guard subcarrier.