The present specification relates to a method for transceiving data in a wireless communication system, which is carried out by a UE, the method comprising the steps of: receiving, from a serving base station, timing information indicating the point of transmission of first quality information related to radio link quality; receiving the first quality information from the serving base station at the point of transmission; receiving within a specific time from the point of transmission, from one or more alternative base stations with which an alternative link has been set up, second quality information related to the radio link quality of the one or more alternative base stations; and switching the serving base station to one of the one or more alternative base stations, based on the first quality information and the second quality information.