Address field in WUR frame

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Presentation transcript:

Address field in WUR frame March 2018 Address field in WUR frame Date: 2018-03-04 Authors: Name Affiliation Address Phone Email Jeongki Kim LG Electronics 19, Yangjae-daero 11gil, Seocho-gu, Seoul 137-130, Korea   jeongki.kim@lge.com Kiseon Ryu kiseon.ryu@lge.com Suhwook Kim suhwook.kim@lge.com Jinsoo Choi js.choi@lge.com Taewon Song taewon.song@lge.com Jeongki Kim et al, LG Electronics

March 2018 Introduction In baseline spec[1], there are two types of the group addressed frames One is broadcast addressed frame and the other is multicast-group addressed frame At the last meeting [2] , there was a discussion on method for indicating the group addressed frame but it had not been decided A wake-up frame that has the Address field set to a value of TBD indicates that the AP intends to transmit group addressed frames This is similar to group addressed frame indication in DTIM frame of the baseline spec regardless of frame type (broadcast or multicast-group) The baseline spec[1] also defined several multicast methods (e.g., DMS, FMS, GCR, ….) for efficient multicast transmission but they are not used often That is, DTIM based group addressed indication is the basic approach in the baseline spec Jeongki Kim et al, LG Electronics

Address field for group addressed frame (1/2) March 2018 Address field for group addressed frame (1/2) As a basic method for indicating the group addressed frame TX, we propose to set Address field of WUR Wake Up frame to a special value The Address field of WUR Wake Up frame is set to a special value (e.g., 4095) for indicating the group addressed frame presence on PCR Upon receiving a Wake Up frame with Address field set to a special value, WUR STA can attempt to receive the group addressed frame Jeongki Kim et al, LG Electronics

Address field for group addressed frame (2/2) March 2018 Address field for group addressed frame (2/2) According to the SFD[3], AP may assign one or more Group ID(s) to WUR STA through PCR WUR negotiation One of Group ID usages is that the assigned Group ID can correspond to a multicast-group frame (e.g., FMS, GCR-SP) How the Group ID is mapped to a specific multicast-group is out of scope (i.e., AP’s implementation) Once AP assigns a Group ID corresponding to a multicast group, when the AP wants to send the multicast frame, the AP will use in Wake Up frame the corresponding Group ID instead of Address field set to the special value Jeongki Kim et al, LG Electronics

March 2018 Reference [1] P802.11REVmd_D1.0 [2] 18/103r3, Further considerations on WUR frame format [3] 17/575r9, TGba Spec framework Jeongki Kim et al, LG Electronics

Straw Poll 1 Do you agree the following? Y:, 15 N:0, A:6 March 2018 Straw Poll 1 Do you agree the following? The Address field of WUR Wake Up frame is set to a value of TBD for indicating that the AP intends to transmit group addressed frames Whether the TBD vale is fixed or randomized is TBD Y:, 15 N:0, A:6 Jeongki Kim et al, LG Electronics

Motion 1 Move to add the following to the TGba SFD Move: Second: March 2018 Motion 1 Move to add the following to the TGba SFD The Address field of WUR Wake Up frame is set to a value of TBD for indicating that the AP intends to transmit group addressed frames Whether the value is fixed or randomized is TBD Move: Second: Jeongki Kim et al, LG Electronics