Patent ID: 8279757
Filing Date: 2012-10-02
Classification: H04W,Y02D

Abstract:
1. A method of managing power save in a wireless network, the method comprising: establishing a direct link with a peer station (STA) by exchanging a Tunneled Direct Link Setup (TDLS) setup request frame and a TDLS setup response frame through an access point (AP); receiving an indicator indicating that the peer STA enters power save mode (PSM) via the direct link; buffering traffic data that are destined for the peer STA in the PSM; and transmitting a peer traffic indication (PTI) frame to the peer STA in the PSM, the PTI frame indicating that the traffic data for the peer STA in PSM is buffered, wherein the PTI frame includes a sequence control field set to a sequence number of a latest data unit transmitted to the peer STA and an access category (AC) traffic available field indicating whether buffered traffic associated with a predetermined AC is present.