Method and apparatus for device-to-device user equipment to transmit discovery signal in wireless communication system

One embodiment of the present invention relates to a method for a device-to-device (D2D) user equipment to transmit a discovery signal in a wireless communication system, the method comprising the steps of: choosing a resource pool from among one or more resource pools; and transmitting a discovery signal by using the resources of the chosen resource pool, wherein the resource pool is chosen on the basis of RSRP measurement results.