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Re: [STDS-802-11-TGBN] TGbn PHY Motion Request

Hi Alfred,

 

Thanks for pointing that out. I have revised the motion text as follows.

 

M1: Move to add the following text on P417L45 in 38.3.15.11.1 General of TGbn D1.0

6 NUHR-LTF is disallowed for a DRU transmission and a hybrid RRU and DRU transmission.

Supporting document: 11-25/1534r0

SP result: No objection

 

M2: Move to add the following text on P331L63 in 38.3.4 Transmission of DRU of TGbn D1.0

For a hybrid RRU and DRU transmission, partial BW MU-MIMO is disallowed.

Supporting document: 11-25/1534r0

SP result: No objection

 

Best regards,

Eunsung

 

 

From: Alfred Asterjadhi [mailto:asterjadhi@xxxxxxxxx]
Sent: Thursday, September 18, 2025 12:00 AM
To: STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx
Subject: Re: [STDS-802-11-TGBN] TGbn PHY Motion Request

 

Hi Eunsung,

 

As announced earlier, now that we have entered the LB phase we will not be updating the TGbn SFD anymore. So please amend the proposed motion text to be actionable w.r.t., the TGbn draft.


Regards,


Alfred

 

On Tue, Sep 16, 2025 at 2:48 PM Eunsung Park <esung.park@xxxxxxx> wrote:

Hi Alfred,

 

Could you please add the following motions to the motion list?

 

M1: Move to add the following to the TGbn SFD

–      6 N_UHR-LTF is disallowed for a DRU transmission and a hybrid RRU and DRU transmission

Supporting document: 11-25/1534r0

SP result: No objection

 

M2: Move to add the following to the TGbn SFD

–      For a hybrid RRU and DRU transmission, partial BW MU-MIMO is disallowed

Supporting document: 11-25/1534r0

SP result: No objection

 

Best regards,

Eunsung

 

From: Sameer Vermani [mailto:000039a3734fa32e-dmarc-request@xxxxxxxxxxxxxxxxx]
Sent: Wednesday, September 17, 2025 6:33 AM
To: STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGBN] TGbn PHY Motion Request

 

Hi Alfred,

Please add the following two motions to the PHY motions queue:

  1. Move to add the following rules for Co-BF in the TGbn spec in 37.15.2.1.4 Co-BF transmission procedure?

–         If the minimum number of data OFDM symbols of the Co-BF transmission indicated in the Co-BF Invite frame corresponds to Navbits > 3888 bits for a user of the coordinated AP, then the coordinated AP may indicate that 2xLDPC will be used for the user in the Co-BF Response frame.

–         If the minimum number of data OFDM symbols of the Co-BF transmission indicated in the Co-BF Invite frame corresponds to Navbits ≤ 3888 bits for a user of the coordinated AP, then the coordinated AP shall not indicate that 2xLDPC will be used for the user in the Co-BF Response frame.

–         A coordinating AP shall not choose a value for the Length field in the L-SIG field of the Co-BF PPDU in the Co-BF Trigger frame that corresponds to a number of OFDM symbols in the Data field which is smaller than the minimum number of data OFDM symbols the coordinating AP had indicated in the Co-BF Invite frame

                Note: These changes for the TGbn editor are reflected in the word document below

                https://mentor.ieee.org/802.11/dcn/25/11-25-1670-00-00bn-2x-ldpc-related-spec-text-changes-for-cobf.docx

               Supporting documents: 11-25/1609r2 and 11-25/1670r0

               SP result:  Passed unanimously

 

  1. Move to add the following recommendation for Co-BF to the TGbn spec in 37.15.2.1.4 Co-BF transmission procedure?

–         To help the coordinated AP choose an appropriate LDPC codeword length, the minimum number of data OFDM symbols of the Co-BF transmission indicated in the Co-BF Invite frame should be greater than or equal to 0.5 times the maximum number of data OFDM symbols of the Co-BF transmission indicated in the Co-BF Invite frame.

                Note: These changes for the TGbn editor are reflected in word document below

                https://mentor.ieee.org/802.11/dcn/25/11-25-1670-00-00bn-2x-ldpc-related-spec-text-changes-for-cobf.docx

                Supporting documents: 11-25/1609r2 and 11-25/1670r0

                SP result:  Passed unanimously

Thanks,

Sameer

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--

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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