The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). An operating method of a base station in a wireless communication system includes: transmitting, to at least one node, information related to a transmission time for time synchronization of a wireless backhaul signal and a wireless access signal related to the base station; receiving, from the at least one node, at least one signal transmitted in accordance with the transmission time; and removing, from the at least one signal, interference between the wireless backhaul signal and the wireless access signal. The at least one signal includes the wireless backhaul signal and/or the wireless access signal.