According to an aspect of the present disclosure, a method performed by a user equipment in a wireless communication system: receives discontinuous reception (DRX) configuration information for each of a plurality of bandwidth parts (BWPs), wherein the DRX configuration information includes a first on duration associated with a DRX operation; and on the basis of the DRX configuration information, transmits a discovery signal during the first on duration on an activated BWP from among the plurality of BWPs, wherein the DRX configuration information is configured for each of the plurality of BWPs.