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Re: [STDS-802-11-TGBN] [EXT] CID 17125 <= Re: [STDS-802-11-TGBN] MAC PDT 11-26/1765 for subclause 37.17.2.2 (DPS operation for non-AP STAs)



Hi Atsushi,

 

I understand your position. It seems more members prefer option 1 during the call. It is difficult to get the consensus of option 2.

 

Best Regards,

Liwen

 


NXP Confidential

From: SHIRAKAWA Atsushi <shirakawa.atsushi@mail.sharp>
Sent: Monday, October 19, 2026 8:30 PM
To: STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx; Liwen Chu <liwen.chu@xxxxxxx>; minyoung.park@xxxxxxxxx
Subject: [EXT] CID 17125 <= Re: [STDS-802-11-TGBN] MAC PDT 11-26/1765 for subclause 37.17.2.2 (DPS operation for non-AP STAs)

 

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Hi Liwen and folks intrested in CID 17125

 

Thank you for your presentation today.

 

Regading CID 17125, I prefer Option2 rather than Option1 and want to ask for opinions.

 

My first impression is that clause 35.3.17 is large (five pages) and searching for corresponding switching back rule takes time and precise should-be-reference part is little ambiguous.

If we put corresponding part like CRD (https://mentor.ieee.org/802.11/dcn/26/11-26-1765-01-00bn-lb296-subclause-37-17-2-2-cids.docx ), easy to read and we can know exact descripiton.

 

If we go step further,

I think "shall" is too strong and prefer to mitigate condition.

Replacing "shall" with "may"  or "should" may be one solution.

In the case of EMLSR, non-AP STA is required to switch back to listening mode as soon as possible to acquire next idle medium to reduce latency. I think "shall" requirement is rational.

But in the case of DPS, non-AP STA may prefer to keep HC mode to prepare for next TXOP, that is non-AP STAs decision depending on its performance ability. So I feel "shall" is too strong.

 

 

Current spec text is below,

 

===== IEEE802.11bn Draft2.0 =============================

    37.17.2.2 DPS operation for non-AP STAs

    (skip)

    A DPS non-AP STA in HC mode triggered by an ICF carrying no Feedback User Info field with Feedback

    Type field equal to Co-BF feedback or Co-SR feedback shall follow the EMLSR rules of switching back to

    listening mode (see 35.3.17 (Enhanced multi-link single-radio (EMLSR) operation)) to transition back to LC

    mode with the following exception:

        — the EMLSR Transition Delay is replaced by the DPS Transition Delay.

===== IEEE802.11bn Draft2.0 =============================

 

BR.

Atsushi.

 

 


差出人: Liwen Chu <liwen.chu@xxxxxxx>
送信: 2026 年 10 月 12 日 (月曜日) 12:17
宛先: STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx <STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx>
件名: [STDS-802-11-TGBN] MAC PDT 11-26/1765 for subclause 37.17.2.2 (DPS operation for non-AP STAs)

 

Hi all,

 

Please find the comment resolutions for subclause 37.17.2.2 in 11-26/1765.

https://mentor.ieee.org/802.11/dcn/26/11-26-1765-00-00bn-lb296-subclause-37-17-2-2-cids.docx

If you have comments, please let me know.

 

Hi Alfred,

 

Please add it to the agenda.

 

Best Regards,

Liwen

 

 

 

NXP Confidential


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