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Re: [STDS-802-11-TGBN] Requesting to defer SP for 25/1848 (NPCA with DBE)



Hi Binita, Brian, Gaurang, Shravan, Yue and TGbn members,

 

I would like to follow up regarding 25/1848 and continue the technical discussion.

 

Our objective is to minimize complexity and overhead for UHR STAs when both DBE and NPCA are supported.

We maintain that the location of the NPCA primary channel should remain determined by the AP implementation and the actual channel conditions.

Consequently, we propose isolating the "NPCA Enabled" field for BSS BW and expanded BW, which is used by NPCA STAs to decide whether to proceed to the next step.

This approach allows for the reuse of existing NPCA and DBE procedures without introducing additional processing requirements or ambiguity for DBE STAs and non-DBE STAs.

 

If you have any comments, please let me know. Thanks.

 

Regards

Yongsen

From: Binita Gupta <bingupta.ieee@xxxxxxxxx>
Sent: Sunday, June 14, 2026 7:13 PM
To: Alfred Asterjadhi <asterjadhi@xxxxxxxxx>; Yongsen Ma <yongsen.ma@xxxxxxxxxxx>; STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx
Subject: Requesting to defer SP for 25/1848 (NPCA with DBE)

 

Hi Yongsen, Alfred, I would like to request deferring below SP for 25/1848 on NPCA with DBE. This topic is still being discussed offline among members, so would request to defer to give more time for convergence. 25/1848 LB291 CR for CID 6423

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Hi Yongsen, Alfred,

 

I would like to request deferring below SP for 25/1848 on NPCA with DBE. This topic is still being discussed offline among members, so would request to defer to give more time for convergence.

 

25/1848 LB291 CR for CID 6423 on NPCA and DBE                 Yongsen Ma     1C SP

 

I have also uploaded a revised 25/1978r5 providing counter arguments to some of the issues that Yongsen pointed out in 25/1848 regarding using a single NPCA Enabled field for NPCA over BSS BW and DBE BW, which as highlighted in 25/1978r5 are not really issues for the STA side. Adding a separate 'NPCA Enabled for DBE BW' as proposed in 25/1848 adds additional complexity for both STA and AP side w/o specific gains, as described in 25/1978r5.

 

Since this topic is still being discussed offline, request to defer this SP. Also, I may not be able to join TGbn Monday MAC call because of travel and that slot is not very convenient for India timezone.

 

Thanks,

Binita


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