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Re: [STDS-802-11-TGBE] PDT PHY: MU-MIMO

Hi all,

 

Based on some offline feedback received (Thanks Ron!), I have uploaded a fresh version of the PDT on MU-MIMO. The link to that document is below.

 

https://mentor.ieee.org/802.11/dcn/20/11-20-1160-05-00be-pdt-phy-mu-mimo.docx

 

The only non-editorial  change is the addition of the below text:

The max total number of space-time streams (across all users) that is supported for the reception of an EHT MU PPDU is indicated by TBD field in EHT PHY capabilities.

Please let me know if you have any comments.

 

Thanks,

Sameer

 

From: Sameer Vermani
Sent: Tuesday, September 08, 2020 5:32 PM
To: 'ron.porat@xxxxxxxxxxxx'; STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: RE: [STDS-802-11-TGBE] PDT PHY: MU-MIMO

 

Thanks Ron. Good points. I will make some modifications to address the below comments.

 

Regards,

Sameer

 

From: Ron Porat <000009a0da80e877-dmarc-request@xxxxxxxxxxxxxxxxx>
Sent: Tuesday, September 08, 2020 3:46 PM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: Re: [STDS-802-11-TGBE] PDT PHY: MU-MIMO

 

Hi Sameer,

 

Two more comments:

 

  • Sub-clause 34.3.3.1.2:
    • Mandatory MUMIMO support for "full BW" - full BW doesn’t include punctured cases correct? support for punctured cases is TBD
  • Sub-clause 34.3.3.2.4:
    • It is mandated that non-AP STA that participates in UL MUMIMO shall support "number of total spatial streams (summed over all users) is less than or equal to 16." I think this has not been decided yet. Also 16ss is R2, so it cannot be mandated for R1 STAs.

Thanks,

Ron

 

 

 

From: Aiguo Yan [mailto:aiguo.yan@xxxxxxxx]
Sent: Friday, September 04, 2020 1:30 PM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: Re: [STDS-802-11-TGBE] PDT PHY: MU-MIMO

 

Sameer,

 

Many thanks for the info of  “there is no SU PPDU in 11be”

 

I will keep reviewing rest of the document.

 

Thanks

Aiguo

 

From: Sameer Vermani <svverman@xxxxxxxxxxxxxxxx>
Sent: Friday, September 4, 2020 10:24 AM
To: Aiguo Yan <aiguo.yan@xxxxxxxx>; STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: RE: PDT PHY: MU-MIMO

 

Thanks Aiguo for your review.

 

The first point is a good one. I will make some changes to incorporate it.

 

Regarding the second point, there is no SU PPDU in 11be, and hence I used the term “EHT MU PPDU that is sent to that STA as an SU transmission”.

 

Regards,

Sameer

 

From: Aiguo Yan <aiguo.yan@xxxxxxxx>
Sent: Thursday, September 03, 2020 8:58 PM
To: Sameer Vermani <svverman@xxxxxxxxxxxxxxxx>; STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: RE: PDT PHY: MU-MIMO

 

CAUTION: This email originated from outside of the organization.

Sameer Vermani, as well as other TTT (Bo Sun, Youhan Kim, Dandan Liang and Junghoon Suh)

 

I have two questions so far. Please see the attached document.

 

Your feedbacks will be highly appreciated.

 

Best Regards,

 

Aiguo

 

From: Sameer Vermani <svverman@xxxxxxxxxxxxxxxx>
Sent: Tuesday, August 25, 2020 6:40 PM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGBE] PDT PHY: MU-MIMO

 

Dear MU-MIMO TTT members and all,

 

I have uploaded the initial draft for the PHY: MU-MIMO section to the server.

 

Link is below.

 

https://mentor.ieee.org/802.11/dcn/20/11-20-1160-00-00be-pdt-phy-mu-mimo.docx

 

Please let me know if you have any feedback. Thank you.

 

Regards,

Sameer

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