The disclosure relates to a communication technique for convergence of IoT technology and a 5th generation (5G) communication system for supporting a higher data transfer rate beyond a 4th generation (4G) system, and a system therefor. The disclosure can be applied to intelligent services (e.g., smart homes, smart buildings, smart cities, smart or connected cars, health care, digital education, retail business, and services associated with security and safety) based on 5G communication technology and IoT-related technology. A method according to the disclosure includes receiving configuration information including a parameter for transmission of a synchronization signal block (SSB) from a base station, identifying a resource for transmission of the SSB based on the parameter, and in case that a condition for transmission of the SSB is satisfied, transmitting the SSB to a second terminal on the resource.