A method performed by a base station, comprises transmitting a reference signal associated with a first beam in a beambook to a user equipment (UE), wherein the beambook comprises a first beam set including the first beam and a second beam set. The method comprises determining a transmitting beam of the first beam set and the second beam set based on measurement information including received power value of the reference signal received from the UE. The method comprises determining index of the first beam corresponding to the transmitting beam in case that the transmitting beam is a second beam included in the second beam set. The method comprises transmitting beam information including the index to the UE. The first beam is configured to measure the received power value. A signal transmitted using the first beam and a signal transmitted using the second beam are received using a receiving beam of the UE.