Discussion on WUR (802.11ba) States

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Presentation transcript:

Discussion on WUR (802.11ba) States doc.: IEEE 802.11-18/xxxxr0 May 2018 May 2018 Discussion on WUR (802.11ba) States Date: 2018-05-24 Authors: Joseph LEVY (InterDigital) Joseph LEVY (InterDigital)

May 2018 doc.: IEEE 802.11-yy/xxxxr0 May 2018 Abstract This contribution provide a first draft state diagram for the 802.11ba non-AP STA and some supporting discussion. Joseph LEVY (InterDigital) Joseph LEVY (InterDigital)

May 2018 Assumptions For a STA with a WURx – WUR mode is only available if the STA is in a legacy Power Management mode and has negotiated a WUR mode with its associated AP. To insure assumption 1: WUR mode can only be negotiated with the associated AP once the STA is in Power Management mode, therefore the negotiation occurs when the STA is in the Awake state. A STA in Power Management mode can only transmit or receive PRC frames when it is in Awake mode The PRC of STA is in WUR mode (WURx Awake or WURx Doze) is unable to transmit or receive frames A STA in WUR mode (a subset of Power Management mode) can only receive WUR frames in WURx Awake state. A STA in WUR mode, in WURx Doze state can not receive or send any frames. Joseph LEVY (InterDigital)

Therefore there are Six Allowed Non-AP STA States: May 2018 doc.: IEEE 802.11-yy/xxxxr0 May 2018 Therefore there are Six Allowed Non-AP STA States: UnAssociated STA PRC is active – PPDUs can be received and transmitted – infrastructure BSS services are not available. Associated STA PRC is active – PPDUs can be received and transmitted – the STA has access to the services provided by the infrastructure BSS Awake STA PRC is active and associated – PPDUs can be received and transmitted. Dose STA PRC is not active, but is still associated – PPDUs can not be received or transmitted. WURx Awake WUR is active, WUR PPDUs can be received WURx Dose WUR is not active, WUR PPDUs can not be received Joseph LEVY (InterDigital) Joseph LEVY (InterDigital)

802.11ba Non-AP STA State Diagram May 2018 doc.: IEEE 802.11-yy/xxxxr0 May 2018 802.11ba Non-AP STA State Diagram Joseph LEVY (InterDigital) Joseph LEVY (InterDigital)

Changing State Unassociated can go to: Associated via association. May 2018 Changing State Unassociated can go to: Associated via association. Associated can go to: Unassociated via disassociation, a different Associated State via reassociation. An associated STA can also go to Power Save Mode and move to Awake. Awake can go to: Dose via the configured power save mode. An awake STA can renegotiate or end Power Save Mode. An awake STA can also go to WUR PS Mode and move to WUR Awake. Dose can go to: Awake WURx Awake can go to: WURx Doze via the configured WRU mode. Receive a WUR awake PPDU and move to Awake, or an WUR STA can suspend WRU mode and move to Awake WURx Doze can go to: WUR Awake Joseph LEVY (InterDigital)

References May 2018 doc.: IEEE 802.11-yy/xxxxr0 May 2018 Joseph LEVY (InterDigital) Joseph LEVY (InterDigital)