1. A wireless communication terminal that communicates wirelessly, the terminal comprising:a transceiver; and
wherein a basic service set (BSS) of the wireless communication terminal corresponds to a multiple BSS identifier (BSSID) set,
wherein the multiple BSSID set is a set of a BSSID of each of a plurality of BSSs classified into one group,
wherein the processor is configured to receive a frame through the transceiver, determine the frame as an Intra-BSS frame when a medium access control (MAC) address signaled in a MAC header of the frame matches any one of a plurality of BSSIDs included in the multiple BSSID set, and enter a power save state when the frame is an Intra-BSS frame and a receiver address (RA) of the frame does not indicate the wireless communication terminal.