The disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The disclosure provides a method executed by a first node in a wireless communication system, comprising: acquiring a physical resource related to a first duplex transmission; and performing uplink transmission and/or downlink transmission according to the acquired physical resource related to the first duplex transmission.