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Hi Samat,
Making TXOP return optional even after it has been solicited would create an ambiguity, i.e., it leaves the coordinating AP uncertain whether the coordinated AP will return the remaining time or use the allocation until it expires or use only a portion of the
allocation. This would also reduce the efficiency of multi-AP sharing. If the previous coordinated AP does not return the TXOP, another OBSS STA may access the medium before the coordinating AP can allocate the remaining time to a subsequent AP. The coordinating
AP may similarly lose the opportunity to use the remaining TXOP to serve an associated non-AP STA.
Regarding insufficient allocation of time, I agree that the coordinating AP has to allocate sufficient time. There are other CIDs addressing this issue, and I am working on the corresponding resolution. The retransmission scenario, however, is not a contradiction
caused by TXOP return. With or without TXOP return, the coordinated AP is required to ensure that its PPDU transmissions and expected responses fit within the allocated time.
Best,
Sanket
From: Samat Shabdanov <0000490d4a372b74-dmarc-request@xxxxxxxxxxxxxxxxx>
Sent: Monday, October 26, 2026 6:09 PM To: STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx <STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx> Subject: Re: [STDS-802-11-TGBN] CR on MAPC/Co-TDMA CID: [STDS-802-11-TGBN] TGbn : MAC meetings (urgent) WARNING: This email originated from outside of Qualcomm. Please be wary of any links or attachments, and do not enable macros. Hello All,
regarding doc 26/1988. Thank you for the opportunity to present the CR.
I saw some questions in the chat windows but unfortunately, I didn have a chance to copy these questions, could please duplicate your question(s) for me per email ?
Also, members who had questions but didn’t have a chance to ask (due to time limit), Your questions are welcome, so please email me your questions.
Thank you in advance, samat
From: Samat Shabdanov
Hello Alfred/All,
after receiving some comments offline, I have revised doc 26/1988 “, “urgent MAPC/Co-TDMA CID” to address them.
the uploaded rev. 1 of doc 1988 is here https://mentor.ieee.org/802.11/dcn/26/11-26-1988-01-00bn-urgent-mapc-co-tdma-cid.docx
thank you, samat
On Sun, Oct 11, 2026 at 4:58 PM Samat Shabdanov <Samat.Shabdanov@xxxxxxxxxxxx> wrote:
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