Hi Chunyu and all,CID-16146In the last round of the 11be comment resolutions, we discussed the same issue raised by CID-16146.One solution that was discussed is to specify in 11be that: an EHT AP shall not scheduled an quiet interval that is not an overlapping quiet interval to have a duration of 1 TU. The rational is 1 TU is too short to be useful for channel measurement.It would be great if anyone who has concerns for this approach can elaborate your concerns.CID-16285In 11REVme_D2.0, 9.4.2.22 Quiet element, there is the following text:“The Quiet Count filed is set to the number of TBTTs until the beacon interval during which the next quiet interval starts. The value of 0 is reserved.”So, “The value of 0 is reserved” is a legacy behavior, and an AP needs to take this into account when sending the quiet element. I don’t the following proposed note is needed for 11be.(#16285)NOTE 2—An R-TWT scheduling AP might transmit Quiet elements in Beacon and Probe Response frames at least one TBTT in advance of the targeted start time of R-TWT SP(s), due to that the value of 0 in the Quiet Count field is reserved as specified in 9.4.2.22 (Quiet element).
Regards,QiOn Jun 21, 2023, at 8:15 AM, Chunyu Hu <chunyuhu07@xxxxxxxxx> wrote:Hi, all:Thank you for your quick feedbacks.I've revised the resolution for CID 16285 and will go over CID 16146 in the mtg to see if we can converge.The revised doc is uploaded:Thx.ChunyuOn Wed, Jun 21, 2023 at 4:27 AM Mark Rison <m.rison@xxxxxxxxxxx> wrote:> If there are something that I am not considered or people has strong opinion to keep the current proposed text here, I suggest to change “ doesn’t have dot11RestrictedTWTOptionImplemented set to true” to “has dot11RestrictedTWTOptionImplemented set to false”.
There is a potential difference in the situation where the MIB attribute
in question does not exist. See Subclause 1.4:
(#2005)A reference to a value of a MIB attribute of the form “if <MIB attribute> is <x>” is to be interpreted
as though written “if <MIB attribute> is present and is <x>”. A reference to a value of a MIB attribute of the
form “if <MIB attribute> is not <x>” is to be interpreted as though written “if <MIB attribute> is not
present, or is present and is not <x>”.
Thanks,
Mark
--
Mark RISON, Standards Architect, WLAN English/Esperanto/Français
Samsung Cambridge Solution Centre Tel: +44 1223 434600
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From: 全映桥 (Yingqiao Quan) <yingqiao.quan@xxxxxxxxxx>
Sent: Wednesday, 21 June 2023 10:34
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGBE] 答复: [STDS-802-11-TGBE] Please review 11-23/847r2 (deferred CIDs)
Hi Chunyu,
Thanks for your document.
There are some minor concern for the proposed text of CID# 16146.
1. What is the definition of “the Broadcast TWT advertising Management frames” ? Does it refer to Beacon, Probe/(re)Association Request/Response frames? It might be clarified.
2. IMO, how does the non-AP EHT STAs that don’t support R-TWT recognize the overlapping quiet is implementation dependent and is out of the scope of this standard, so we may just simply point it out.
3. If there are something that I am not considered or people has strong opinion to keep the current proposed text here, I suggest to change “ doesn’t have dot11RestrictedTWTOptionImplemented set to true” to “has dot11RestrictedTWTOptionImplemented set to false”.
16146
SunHee Baek
35.8.5.2
621.10
In R-TWT, overlapping quiet interval sets 1 TU to guarantee R-TWT SP, but the current spec doesn't support any method for non-AP EHT STAs that don't support R-TWT to ignore overlapping quiet interval.
Please specify how non-AP EHT STAs that don't support R-TWT may behave as if overlapping quiet intervals do not exist.
Revised. An EHT non-AP STA can still choose to parse the TWT element to extract R-TWT info and choose to ignore overlapping intervals as an example. Add a NOTE.
TGbe editor: please revise as specified in this doc {11-23/847r2} tagged by #16146.
(#16146)NOTE3—An EHT non-AP STA that is not a member of an R-TWT SP or that doesn’t have dot11RestrictedTWTOptionImplemented set to true might parse the TWT element in the Broadcast TWT advertising Management frames and decide whether an quiet interval is an overlapping one and decide whether to ignore it.
BR，
Yingqiao Quan
Communication Standards Devision
发件人: Chunyu Hu <chunyuhu07@xxxxxxxxx>
发送时间: 2023年6月21日 13:30
收件人: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
主题: [STDS-802-11-TGBE] Please review 11-23/847r2 (deferred CIDs)
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Hi, all:
We deferred a few CIDs in presenting 11-23/847r1. Would the folks requesting the deferral or comments please review and/or share any further thoughts you may have on the CIDs below?
16700, 16701: @Yonggang Fang
15935, 16652: @Gaurang Naik
16678: @Qi Wang
16420, 16424: @Jeongki Kim
15834, 17090: revised per discussion in mtg. @Mark Rison @Rubayet Shafin would you please review?
Let me know if I miss any. Thx!
Chunyu
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