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    • 10. 发明公开
    • PEER POWER SAVE MODE IN TUNNELED DIRECT LINK SETUP (TDLS) WIRELESS NETWORK
    • 在通用直接链路建立(TDLS)无线网络中的等电节电模式
    • EP2122920A1
    • 2009-11-25
    • EP08723590.9
    • 2008-03-10
    • LG Electronics Inc.
    • SEOK, Yong HoSIM, Dong HiHUH, Ji YoungSAFONOV, Alexander, A.YANG, Sook HyunLEE, Jae Young
    • H04L12/28H04B7/26
    • H04W52/0225H04W74/02H04W84/12Y02D70/142Y02D70/22
    • A protocol for a peer power save mode (PPSM) in a tunneled direct link setup (TDLS) wireless network and a system therefor are provided. A station (STA) set up a TDLS link can send a frame having a power management bit set to a peer STA to enter into a power save mode (PSM). In this case, the station entering into the PSM operates in a PPSM client mode. When the peer STA operates in the PPSM client mode, the STA can operate in the PPSM access point (AP) mode or can enter into the PPSM client mode. The STA operating in the PPSM AP mode buffers data for the STA operating in the PPSM client mode and informs the peer STA of information indicating that there is buffered data by the use of a peer traffic indication frame or the like. In principle, a U-APSD procedure can be applied to the transmission of data through a direct link from the STA operating in the PPSM AP mode to the STA operating in the PPSM client mode.
    • 提供了用于隧道直接链路建立(TDLS)无线网络中的对等省电模式(PPSM)的协议及其系统。 建立TDLS链路的站(STA)可以将具有设置的功率管理比特的帧发送到对等STA以进入省电模式(PSM)。 在这种情况下,进入PSM的站以PPSM客户端模式运行。 当对等STA以PPSM客户端模式操作时,STA可以在PPSM接入点(AP)模式下操作或者可以进入PPSM客户端模式。 以PPSM AP模式操作的STA缓冲在PPSM客户端模式下操作的STA的数据,并通过使用对等业务指示帧等将指示存在缓冲数据的信息通知给对等STA。 原则上,可以将U-APSD过程应用于通过从在PPSM AP模式下操作的STA到在PPSM客户端模式下操作的STA的直接链路传输数据。