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Re: [STDS-802-11-TGBE] PDT-PHY-EHT Preamble: U-SIG

Hi Yujin,

Thanks for your comments. Most of your comments are editorial. One comment as following is technical.
"I see motion about UL/DL flag in U-SIG. It does not describe any specific PPDU format such as MU PPDU or TB PPDU. However, I’m wondering there is any reason to have r UL/DL in TB PPDU."

The reason we put UL/DL flag in TB PPDU is because it is a version independent field, per the following motion. Version independent fields appear in all versions and PPDU formats.

The U-SIG shall contain the following version independent fields:

·         PHY version identifier: 3 bits.

·         UL/DL flag: 1 bit.

[Motion 42, [7] and [49]]


Regards,
Alice
Qualcomm


On Thu, Sep 17, 2020 at 3:07 PM Yujin Noh <yujin.noh@xxxxxxxxxxxx> wrote:

Hi Sameer,

 

Thank you for sharing the draft.

Please find some comments in attached.

 

Regards,

Yujin

 

From: Sameer Vermani <svverman@xxxxxxxxxxxxxxxx>
Sent: Tuesday, September 15, 2020 2:47 PM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: Re: [STDS-802-11-TGBE] PDT-PHY-EHT Preamble: U-SIG

 

Hello all,

 

My colleague Alice and I have uploaded the document on PHY draft text for U-SIG to the documents server. The link is below:

 

https://mentor.ieee.org/802.11/dcn/20/11-20-1464-00-00be-pdt-phy-u-sig.docx

 

Please let me know if you have any comments.

 

Thanks,

Sameer

 

From: Sameer Vermani
Sent: Friday, July 31, 2020 1:23 PM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: PDT-PHY-EHT Preamble: U-SIG

 

Hello U-SIG TTTs, and all,

We need to develop the following 4 sub-sections for the TGbe spec draft on U-SIG.

  • U-SIG
    • General
    • Content
    • CRC computation
    • Encoding and modulation

 

Tentatively, I would like to volunteer for the General and Content sub-sections of the U-SIG section if that is ok with everyone.  Within the content section, there might be various PPDU types, e.g..., ‘SU/MU unified’ and TB PPDU.

 

The CRC computation and ‘Encoding and modulation’ sections should be very similar to 802.11ax.

 

Please let me know your thoughts.

 

Thanks,

Sameer

 

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