This method for a communication device to transmit/receive signals in a wireless communication system comprises the step of transmitting/receiving signals by using multiple subframes having a preset frame structure, wherein each of the multiple subframes comprises a downlink region and an uplink region, and with respect to the same region corresponding to the same frequency band in the preset frame structure, the downlink region and the uplink region may be allocated respectively to a first subframe and a second subframe among the multiple subframes.