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Re: [STDS-802-11-TGBN] PDT-MAC-Coordinated-Beamforming

Hi Jason,

I have a few comments regarding your definition of Co-BF in both 3.2 and 37.8.1.

Your definition:

coordinated beamforming: [Co-BF] A procedure that enables two APs in the same neighborhood to perform concurrent transmissions on the same channel using the CSI of the channels between each AP and the recipient STAs.

My comments:

  1. How do you define “in the same neighborhood”? Perhaps delete this phrase.
  2. The definition is neither complete nor explicit to Co-BF. Co-BF is not just about using the CSI but also about forming nulls to unintended recipient STAs.
  3. The phrase “the channels between each AP and the recipient STAs” is not clear if the cross-BSS channels between each AP and its unintended recipient STAs are included.


Another comment is that in the latest skeleton 11-24/1933r3, the Co-BF MAC subclause is 37.7.2. Should your 37.8 subclause be 37.7.2 instead?

Regards,
Alice Chen
Qualcomm



On Fri, Dec 27, 2024 at 11:41 PM Guoyuchen (Jason Yuchen Guo) <000018696e95f088-dmarc-request@xxxxxxxxxxxxxxxxx> wrote:

Hello everyone,

 

The initial version of the PDT for Co-BF MAC can be found here: https://mentor.ieee.org/802.11/dcn/24/11-24-2030-00-00bn-pdt-mac-coordinated-beamforming.docx

 

Your comments are welcome.

 

Best,

Jason Yuchen Guo

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