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Re: [STDS-802-11-TGBF] 答复: [STDS-802-11-TGBF] 11bf PDT for D0.1 Threshold-based Sensing Procedure

Rui,

For your comment RY4: If the sensing initiator is the sensing receiver, my understanding is that there is no need to do the reporting phase and there is no need of the threshold-based sensing procedure.

Oscar

On Tue, Jan 25, 2022 at 9:20 AM Rui Yang <Rui.Yang@xxxxxxxxxxxxxxxx> wrote:

Hi Mengshi,

 

Thank you for sharing the draft of the PDT. Please find my comments in the attached file.

 

Best regards,

Ray

 

From: humengshi <0000179fd8c5ace5-dmarc-request@xxxxxxxxxxxxxxxxx>
Sent: Tuesday, January 25, 2022 3:41 AM
To: STDS-802-11-TGBF@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGBF] 答复: [STDS-802-11-TGBF] 答复: [STDS-802-11-TGBF] 11bf PDT for D0.1 Threshold-based Sensing Procedure

 

Hi Rajat,

 

Thanks for your suggestions and comments. Please see my answers below:

 

Comment 1: Typo: “basd”

Answer 1: I’ve changed it. Maybe I’ll use TBD for this frame later according to some suggestions.

 

Comment 2: How is the threshold being set?

Answer 2: The threshold for each responder to be compared with the CSI variation value is determined by the initiator, and is transmitted to each receiver through a TBD frame.

I think this frame could be the NDPA frame or the trigger frame. In this version I use TBD for it.

 

Comment 3: The Threshold-based Subvariant Sensing Trigger frame and how is it different than the existing Trigger frame?

Answer 3: I’ve shown in the Discussion that the Threshold-based Subvariant Sensing Trigger frame is a newly added subvariant frame (Just want to give a name for it). Since I find that some people have concerns about using a new subvariant frame, I will make it a TBD frame in the updated version. The difference is that a new subvariant frame can have a different User Info, and this Info can contain the threshold related information such as the threshold value per user. Actually I’m open to the design. If people think a unified trigger is good enough, I’m also fine with it.

 

Best regards,

Mengshi Hu

 

 

发件人: Rajat PUSHKARNA <rajat.pushkarna@xxxxxxxxxxxxxxxx>
发送时间: 2022年1月25日 16:01
收件人: humengshi <humengshi@xxxxxxxxxx>; STDS-802-11-TGBF@xxxxxxxxxxxxxxxxx
主题: RE: [STDS-802-11-TGBF] 答复: [STDS-802-11-TGBF] 11bf PDT for D0.1 Threshold-based Sensing Procedure

 

Hi Mengshi,

 

Thanks for preparing the PDT. Please find my comments attached herein.

 

Thanks.

 

Best Regards,
Rajat.

 

From: humengshi <0000179fd8c5ace5-dmarc-request@xxxxxxxxxxxxxxxxx>
Sent: Tuesday, 25 January 2022 11:31 am
To: STDS-802-11-TGBF@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGBF] 答复: [STDS-802-11-TGBF] 11bf PDT for D0.1 Threshold-based Sensing Procedure

 

Hi Dongguk,

 

Thanks for your comments.

Regarding your first comment, you can see from that figure, for the sensing receiver 2, there is no need to feedback the CSI information. What the receiver 2 feeds back is the CSI variation in the Selection Procedure. In the case of a room without some object motions, there is a high possibility that only the Selection procedure is needed for a receiver. Thus the overhead can be saved in this case. Note that compared with the CSI information, the CSI variation only consumes several bits, which can be negligible if the CSI information size is large.

 

Regarding the second comment, the reason I choose a new trigger frame subvariant instead of a reporting subvariant is: we need to convey maybe a 4-bit threshold for each receiver. If this is conveyed in the NDPA, maybe it’s fine to only define a reporting subvariant. However, if the 4-bit threshold information per user is conveyed in the trigger, it’s better to define a new one and let them be in the Trigger Dependent User Info. In general, I’m open to the design. I can make it TBD this time. Thanks.

 

Best regards,

Mengshi Hu

 

 

 

发件人: stds-802-11-tgbf@xxxxxxxxxxxxxxxxx <stds-802-11-tgbf@xxxxxxxxxxxxxxxxx> 代表 Dongguk Lim
发送时间: 2022年1月25日 8:33
收件人: 'HUANG LEI' <huang.lei1@xxxxxxxx>; STDS-802-11-TGBF@xxxxxxxxxxxxxxxxx
抄送: hg.cho@xxxxxxx
主题: RE: [STDS-802-11-TGBF] 11bf PDT for D0.1 Threshold-based Sensing Procedure

 

 

Hi Mengshi,

 

Thanks for your drafting the spec text.

I added my comments in the attached.

Please see my comments.

 

best regards,

Dongguk.

 

 

From: HUANG LEI [mailto:000013c45bbec18b-dmarc-request@xxxxxxxxxxxxxxxxx]
Sent: Saturday, January 22, 2022 6:24 PM
To: STDS-802-11-TGBF@xxxxxxxxxxxxxxxxx
Subject: Re: [STDS-802-11-TGBF] 11bf PDT for D0.1 Threshold-based Sensing Procedure

 

Hi Mengshi,

 

Thank you for preparing this draft text. Attached please find my comments.

 

Best regards,

Lei

 

From: humengshi <0000179fd8c5ace5-dmarc-request@xxxxxxxxxxxxxxxxx>
Sent: Saturday, January 22, 2022 10:37 AM
To: STDS-802-11-TGBF@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGBF] 11bf PDT for D0.1 Threshold-based Sensing Procedure

 

Hi all,

 

I’ve written a PDT for the threshold-based sensing procedure, which has been uploaded to the Mentor: https://mentor.ieee.org/802.11/dcn/22/11-22-0134-00-00bf-pdt-threshold-based-sensing-procedure.docx

This PDT reflect the Motions 18 and 33 shown in 11-20/1847r40. Your comments and suggestions are welcome.

 

Mengshi Hu

 

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