METHOD FOR MANAGING POWER SAVE MODE IN WIRELESS LAN SYSTEM, AND DEVICE FOR SUPPORTING SAME

摘要

Provided is a method for managing a power save mode by an access point in a wireless LAN system. The method comprises: transmitting a first traffic indication map (TIM) broadcast indication frame to a first station (STA); transmitting a second TIM broadcast indication frame to a second STA; transmitting a first TIM frame for indicating buffered traffic for the first STA; and transmitting a second TIM for indicating buffered traffic for the second STA. The first TIM broadcast indication frame includes a first TIM offset field for indicating a transmission time of the first TIM frame, and the second TIM broadcast indication frame includes a transmission time of the second TIM frame.