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In addition, we have the rule below added in 1871 which makes non-AP MLD more confused when a STA associated with the non-AP MLD operating in EMLSR mode…if the STA is not pulled in 1st BFRP should the STA wait till the end of TXOP and get prepared for another BFRP? Or go back to listening? I guess it’s the later one? [YES]
Another case: 4 STAs in total, AP pull 2 STAs with 1st BFRP but doesn’t get any response within SIFS (due to interference or whatever), Can the AP pull the other two STA which are in EMLSR mode? Note that 2nd BFRP is only about SIFS away from the endo of 1st BFRP. [with the current rules, if the other two STAs in EMLSR mode is not in the 1st BFRP, then the two STAs will return back to listening op.]
(#11671) In the EHT TB sounding sequence, the STAs identified in the NDP Announcement frame should be the same as the ones identified in the Trigger frame(s) in the same TXOP.
BRs,
Xiaogang.
From: Xiaogang Chen <xiaogang.chen@xxxxxxxx>
Sent: Thursday, December 15, 2022 10:28 AM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGBE] Clarification of CID 14115
Hi Minyoung,
I understand the CID below passed SP this morning. But my question is still hanging... Maybe you or Gauran can help to clarify.
Your reason of rejection is a clarification. Why not added into the spec to clarify? I understand this reason may be derived from existing text implicitly. But the behavior of sounding feedback from EMLSR STA is indeed different from a STA not in EMLSR mode. For instance, after receive NDPA/NDP, a STA will prepare the feedback. If the STA is not addressed in the 1st BFRP, a non-EMLSR STA will keep the feedback in memory till a potential BFRP addressed to this STA. but if the STA is in EMLSR mode, it will flush the memory and go back to listening.
It would be helpful to clarify at least from the non-AP STA side. Thanks.
14115
Li-Hsiang Sun
35.3.17
464.30
"The STA affiliated with the non-AP MLD that received the initial Control frame does not
respond to the most recently received frame from the AP affiliated with the AP MLD that
requires immediate response after a SIFS"
This should not be applicable to sounding because EMLSR STA may not be the first group of STAs triggered by the first BFRP triggerFor sounding sequence, the end of frame exchange does not occur until the EMLSR receives a BFRP trigger or until intra-BSS NAV expires
Rejected
The EMLSR switch back rules are quite clear - an AP knows that if it does not schedule all the STAs affiliated with non-AP MLDs in EMLSR mode (that it has triggered via BSRP/MU-RTS and included in the NDP Announcement frame) in the first BFRP Trigger frame, the non-AP MLDs that aren’t included in the first BFRP Trigger frame will switch back to listening operation.
BRs,
Xiaogang.
From: Minyoung Park <mpark.ieee@xxxxxxxxx>
Sent: Friday, December 2, 2022 10:37 AM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: Re: [STDS-802-11-TGBE] Initial Revision of Agendas for Nov'22-Jan'23 Telcos Uploaded
Hi Alfred,
Please add doc 11-22/1848r2 (1 CID for SP) to the MAC queue.
- CID 14115
Thanks,
Minyoung
On Mon, Nov 28, 2022 at 1:15 PM Alfred Asterjadhi <asterjadhi@xxxxxxxxx> wrote:
Hello all,
I uploaded the telco agendas for the Nov'22-Jan'23 time period.
Please take a look at the submissions list and let me know if any of the contributions are missing from the queues.
In addition please take a look at the contributions that are listed for the first and second MAC (this weeks) teleconferences, and let me know if there is a need for any updates.
Last but not least, please make sure that if you have a submission with a request for SP then that submission appears in the queue as pending SP. This way it does not end up in the quarantine queues/docs. Updated revision of docs containing CIDs in quarantine will be uploaded by end of this week.
Best Regards,
Alfred
--
Alfred Asterjadhi, PhD
IEEE802.11 TGbe Chair,
Qualcomm Technologies Inc.
Cell #: +1 858 263 9445
Office #: +1 858 658 5302
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