The disclosure relates to a 5G or pre-5G communication system for supporting a higher data rate after a 4G communication system such as LTE. According to an embodiment, a method of a base station in a wireless communication system includes identifying, in a synchronization block to be generated, a resource to which a signal related to the synchronization block is not mapped, determining whether to map a specific signal to the identified resource, and transmitting, to a terminal, the synchronization block generated based on a result of the determination.