Patent ID: 9161305
Filing Date: 2015-10-13
Classification: H04L,H04W,Y02D

Abstract:
1. A traffic indication method in a wireless local area network, the method comprising: receiving, by a station, from an access point (AP), a beacon frame including a traffic indication map (TIM) element, the TIM element including a type indication field and a traffic indication field; and determining, by the station, whether there is buffered traffic for the station at the AP based on the TIM element, wherein if the type indication field is set to a first value, the traffic indication field includes an association identifier (AID) corresponding to the station if the AP has buffered traffic for the station, and wherein if the type indication field is set to a second value, the traffic indication field includes a bitmap including a plurality of bits, wherein one of the plurality of bits corresponds to the station and the value of said one bit indicates whether there is buffered traffic for the station at the AP.