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Re: [STDS-802-11-TGBE] Resolution for CID 19792



Hi Abhi, 
Thank you for opening the discussion. 
This R-TWT schedules parsing from Multiple-BSSID Beacon is complicated (in my mind). 

Do I understand correctly, that all R-TWT schedules are listed in the Transmitted BSS? And additionally there is also possibility that R-TWT streams are present in the non-transmitted BSSID. The R-TWT streams present in non-transmitted BSSID are only known by the STA associated with the non-transmitted BSS, right? 

To me it sounds that the R-TWT streams are listed in two locations and I do not understand the reason why they should be listed in multiple locations. I would list the r-TWT schedules only in transmitted BSS. 

Cheers,
Jarkko 
 

On Aug 23, 2023, at 2:50 PM, Abhishek Patil <appatil@xxxxxxxxxxxxxxxx> wrote:

 
Hi All,
 
We discussed the resolution for CID 19792 during this morning’s TGbe joint call and there was a request to defer the resolution so that members could review it offline. I am initiating this email as a follow-up and to answer any questions members may have.
 
The resolution is not proposing anything new. The text is consistent with the rules in clause 35.3.8.4 (see below snippet). The proposed text clarifies that an rTWT capable non-AP STA that is associated with a nonTxBSSID determines the rTWT schedule of all the APs in the set by parsing the TWT IE carried in the TxBSSID’s Beacon/Probe. As a result, the baseline inheritance rule will not apply to the TWT IE carried outside the MBSSID IE.
 
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I have copied the proposed text to help with your review. I made a couple of minor tweaks based on offline feedback:
 
An R-TWT scheduled STA (see 35.8.1) that is associated with an AP corresponding to the nontransmitted BSSID in a multiple BSSID set shall not apply inheritance rules specified in 11.1.3.8.4 to the TWT element(s) carried outside the Multiple BSSID element in a Beacon frame or a Probe Response frame transmitted by the AP corresponding to the transmitted BSSID in the same multiple BSSID set.
NOTE: An R-TWT scheduled STA that is associated with an AP corresponding to a nontransmitted BSSID in a multiple BSSID set determines the R-TWT schedule(s) belonging to any AP in the multiple BSSID set by parsing the R-TWT parameter set(s) carried within the TWT element(s) outside the Multiple BSSID element (see 35.8.4.1).
 
Please let me know if you have any suggestions to improve the above text.
 
Regards,
Abhi
 

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