Hi Kaiying,
Thanks for your discussion. Please find my response inline.
Regards
Guogang Huang
发件人: Kaiying Lu [mailto:Kaiying.Lu@xxxxxxxxxxxx]
发送时间: 2022年3月31日
4:01
收件人: Jarkko Kneckt <jkneckt@xxxxxxxxx>; huangguogang <huangguogang1@xxxxxxxxxx>
抄送: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx; Chunyu Hu <chunyuhu@xxxxxx>; Park, Minyoung <Minyoung.park@xxxxxxxxx>; Morteza Mehrnoush <mmehrnoush@xxxxxx>; Laurent Cariou <laurent.cariou@xxxxxxxxx>; Yang,
Zhijie (NSB - CN/Shanghai) <zhijie.yang@xxxxxxxxxxxxxxx>; Yonggang Fang <Yonggang.Fang@xxxxxxxxxxxx>; "顾祥新 (Xiangxin Gu)" <Xiangxin.Gu@xxxxxxxxxx>; Rubayet Shafin <r.shafin@xxxxxxxxxxx>; Rojan Chitrakar <rojan.chitrakar@xxxxxxxxxxxxxxxx>;
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主题: RE: Discussion on power save of AP MLD
Hi Guogang,
Thanks for the contribution.
I have two general comments for clarification first.
- Regarding to “power save mode (10)”, “In this mode, the
AP is allowed to transition between the awake state and the doze state.
The AP operates in the doze state by default unless it receives a wakeup request and enters the awake state.”
Do you mean that the AP is not allowed to transition between doze and awake itself?
[Guogang Huang]Maybe I get your point. You mean if the AP MLD has DL buffered BU, it also can transition from the doze state to the awake state, right?
I agree with you and will fix it in the next revision.
- Regarding to “sleep mode (11)”, “In this mode, the corresponding AP is always in the doze state. And The non-AP MLD cannot send a wakeup request
to this AP through its affiliated STA.”
What do you mean by “AP is always in the doze state”? Can the AP be awake at some point? Otherwise, the AP is just as disabled.
[Guogang Huang]This mode is used in the following use cases, e.g. the AP maintenance and regulatory reasons. During this period, I think the AP cannot be
ready. But when the maintenance is finished, the AP can switch from the sleep mode to the active mode or the power save mode.
Please correct me if I misunderstood something.
Thanks,
Kaiying
Hi Guogang, thank you for your contribution.
1. 802.11be has disabled link concept that (no TIDs mapped to a link) could be used to enable long term affiliated AP sleep.
- I am wondering could the AP sleep mode be implemented by using disabled links?
2. Typically regular APs have not operated in power save, but have supported aggressive power save of the STAs.
- Have you considered to make power save enhancements (mode 10) to be available only for the NSTR Mobile APs?
- I think mobile APs could have more aggressive power save mechanisms.
Hi all,
I have presented my contribution 22/356r5 in the call. But there is no time to take questions. I initiate
this email thread to further discussion for doc 22/356. Please let me know your questions and comments.
Regards
Guogang Huang
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