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). According to various embodiments of the present disclosure, an operating method of a base station in a wireless communication system comprises the steps of: 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. Therefore, the device and the method, according to various embodiments of the present disclosure, allow the base station to effectively remove interference between the wireless access signal and the wireless backhaul signal and easily distinguish a desired signal.
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