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Re: [STDS-802-11-TGBN] Planned Motions



Hi Alfred, 

Please add the following motions which are based on SPs in yesterday’s AM1 PHY session:

  1. Move to include the following into 11bn SFD

IM pilots are only applied for non-punctured/full bandwidth SU transmission.

              (Result: no objection),  Mover: Shengquan Hu

 

  1. Move to include the following into 11bn SFD

when IM is applied, the value of D_TM for LDPC tone mapper is as below:

  • 9 for 242-tone RU for non-DCM
  • 9 for 484-tone RU for non-DCM
  • 10 for 996-tone RU for non-DCM (same value is used for each 80MHz frequency subblock when PPDU bandwidth is 160MHz and 320MHz)  

(Result: no objection),  Mover: Shengquan Hu

 

  1. Move to include the following into 11bn SFD:

IM pilots have values of 0’s (i.e. Zero-Energy)

(Result: no objection),  Mover: Shengquan Hu

 

 

  1. Move to add the following into 11bn SFD:

Nsd_short values when IM pilots are applied are as shown in the Table below

 

(Result: no objection),  Mover: Shengquan Hu

 

  1. Move to add the following into 11bn SFD:

The number of spatial streams is defined as below if IM is used:

      • For DL: limited to one spatial stream

(Result: no objection),  Mover: Shengquan Hu

 

  1. Move to add the following into 11bn SFD:

IM is not applicable when MCS 15 is used.

(Result: no objection),  Mover: Shengquan Hu

The supporting material for all three is DCN 25/0079r1.

Thanks,

Jianhan

 

---------- Forwarded message ---------
From: Shimi Shilo (TRC) <000018c72fccabed-dmarc-request@xxxxxxxxxxxxxxxxx>
Date: Wed, Jul 30, 2025 at 12:30 AM
Subject: Re: [STDS-802-11-TGBN] Planned Motions
To: <STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx>

 

Hi Alfred,

 

Please add the following motions which are based on SPs that passed in yesterday’s AM1 PHY session:

 

  1. Move to include the following in TGbn SFD:
    When IM is used, the LDPC tone mapper operates on both data and IM pilot tones.
    (result: 72Y/7N/15A)
  2. Move to include the following in TGbn SFD:
    The IM pilots are located contiguously at the input to the LDPC tone mapper, before the data QAMs.
    (result: no objection)

3.      Move to include the following in TGbn SFD:
The number of IM pilots is

  • 26 for a 242-tone RU
  • 52 for a 484-tone RU
  • 98 for a 996-tone RU
  • 2x98 for a 2x996-tone RU
  • 4x98 for a 4x996-tone RU

(result: no objection)

 

The supporting material for all three is DCN 25/1329r1.

 

Thanks,

 

Shimi

 

From: Ron Porat <000009a0da80e877-dmarc-request@xxxxxxxxxxxxxxxxx>
Sent: Monday, July 28, 2025 9:31 AM
To: STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx
Subject: Re: [STDS-802-11-TGBN] Planned Motions

 

Hi Alfred,

 

Can you please either add or remove the content in Motion 473 PHY SFD with the following PDT material in 25/1315:

 

TGbn editor: Please add in 11bn D0.3 section 38.3.15.11.1 page 290 line 22:

In an OFDMA UHR MU PPDU using MU-MIMO in at least one RU or MRU, the total number of UHR-LTF symbols shall be chosen from the set {2, 4, 8}.

 

Agreed with no objection in the PHY ad-hoc today.

 

Thanks,

Ron

 

 

 

 

On Sun, Jul 27, 2025 at 10:44 AM Alfred Asterjadhi <asterjadhi@xxxxxxxxx> wrote:

Hello all,


I uploaded the latest motions deck which includes everything up to and including MAC/PHY ad-hoc. Please review and let me know if i missed anything:

 

 

These are scheduled for tomorrow's PM2 Joint.

 

Regards,


AA

 

--

Alfred Asterjadhi, PhD

IEEE802.11 TGbe/TGbn Chair,

Qualcomm Technologies Inc.

Cell #:    +1 858 263 9445

Office #: +1 858 658 5302


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