[STDS-802-11-TGBN] Request Straw Polls on Coordination Buffer Status Report in Muiti-AP (doc.: 11-24/0716)

[周培 <zhoupei36@xxxxxxxxx>]

Hi Alfred and all,

Last month, I presented a proposal about Coordination BSR (C-BSR) in Multi-AP (please refer to 11-24/0716r1).  

In the coming July Plenary meeting, I want to request the following SPs so that we can move forward in this direction.

Straw Poll 1:

Do you agree to add the following text to the TGbn SFD:

• TGbn shall define the Coordinated Buffer Status Report (C-BSR) for UHR APs.

Note: C-BSR is used to indicate the amount of data buffered by an AP for itself and its associated STAs.

Straw Poll 2:

Do you agree to add the following text to the TGbn SFD:

• One AP may use one or more of the following methods to obtain the C-BSR of the other APs:
• Unsolicited C-BSR  
• Solicited C-BSR

Note: detailed signaling and formats are TBD.

Straw Poll 3:

Do you agree to add the following text to the TGbn SFD:

• The C-BSR of an AP may contain one or more of the following contents:
• Multiple associated non-AP STAs’ buffer status for the AP
• Buffer status at the AP for multiple associated non-AP STAs

Note: detailed frame format is TBD.

Please feel free to provide suggestions and make comments. Thanks.

Best regards,

Pei Zhou

TCL

---------- Forwarded message ---------
发件人： 周培 <zhoupei36@xxxxxxxxx>
Date: 2024年7月3日周三 16:42
Subject: Discussion on 11-24/0716 Buffer Status Report in Multi-AP – Follow Up
To: Das, Dibakar <dibakar.das@xxxxxxxxx>, <appatil@xxxxxxxxxxxxxxxx>, <pascal.viger@xxxxxxxxxxxx>, <binitag@xxxxxxxxx>
Cc: Yuxin LU <eeluyx@xxxxxxxxx>, <pei7.zhou@xxxxxxx>

Hi all,

Last month, I presented a proposal about Coordination BSR (C-BSR) in Multi-AP.  Thank you all very much for providing comments and opinions.

As I mentioned in the Q&A part, sharing the requested time duration is possible, but it may have two drawbacks:

1) if the total amount of resources requested by shared APs exceeds what sharing AP can provide, sharing AP doesn’t know how to execute the resource allocation;
2) An arbitrary shared AP may request more resources than needed, which will cause fairness issue to other shared APs.

However, if (C-)BSR is shared between Sharing AP and Shared AP(s), in addition to buffer size, C-BSR also contains “priority information” (i.e., TID / Highest Priority Buffered AC / ACI / ACI High, etc.) of the buffered traffic, which benefits the multi-AP coordination. 

With this email, I would like to hear more opinions about this proposal, so we can move forward in this direction.

Please feel free to forward this email discussion to your colleagues and make comments. Thanks again.

Best regards,

Pei Zhou

TCL

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