Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system such as LTE. A communication method of a terminal in a wireless communication system, which includes a first base station supporting first wireless communication and a second base station supporting second wireless communication, can comprise the steps of: performing data communication though the first wireless communication with the first base station; receiving, from the first or second base station, configuration information for second wireless communication connection; reporting, to the first or second base station, the result of measurement on at least one beamforming reference signal having been received from the second base station, on the basis of the configuration information; and establishing the second wireless communication connection with the second base station on the basis of the measurement result.