One embodiment of the present invention relates to a method for receiving, by a UE, scheduling assignment (SA) and data in a wireless communication system, comprising the steps of: receiving a first SA and a second SA in a first subframe; and receiving first data and second data through subchannels indicated by the first SA and the second SA, respectively, wherein the first data and the second data are received through the first subchannel and the second subchannel, respectively, and each of the first subchannel and the second subchannel is composed of a plurality of clusters spaced apart from each other in a frequency domain.