The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a user equipment (UE) in a communication system is provided. The method includes receiving a medium access control (MAC) control element (CE), wherein the MAC CE maps transmission configuration indication (TCI) states to codepoints of a TCI field in downlink control information (DCI), receiving the DCI including the TCI field, and identifying, based on the MAC CE, whether at least one of a first TCI state of the UE and a second TCI state of the UE is updated by a codepoint of the TCI field in the received DCI, and in case that one of the first TCI state and the second TCI state is identified as updated by the codepoint, updating the one of the first TCI state and the second TCI state that is identified as updated by the codepoint, and keeping other of the first TCI state and the second TCI state that is identified as not updated by the codepoint.