Re: [STDS-802-11-TGBN] PHY Motions request for May 2025

[Qisheng Huang <huang.qisheng@xxxxxxxxxx>]

Hi Alfred，

Please help me add the following passed SP to the PHY motion list:

Motion: Move to incorporate into the latest TGbn draft the proposed text changes from the following documents: 11-25/857r1

relative SP is passed with no objection.

Many thanks.

Thanks

Best Regards

Qisheng Huang

Original

From: RonPorat <000009a0da80e877-dmarc-request@xxxxxxxxxxxxxxxxx>

To: STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx <STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx>;

Date: 2025年05月15日 15:09

Subject: Re: [STDS-802-11-TGBN] PHY Motions request for May 2025

Hi Alfred

 

Please add the following 4 SPs to the PHY Motion list (from 25/0734r1, all passed with no objection):

 

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

APs exchange the following 2-bit capability fields with values 1,2,3 or 4 at the time of group formation between the members of a COBF pair. The capabilities are defined for the AP declared BW and assume Nc=2 (# of columns in the feedback)

• Field 1 – Total number of OBSS sounding reports that the AP can store for this COBF pair at a given time

• Field 2 – Total number of OBSS joint sounding reports that the AP can store for this COBF pair at a given time (can’t be higher than number in field 1)

 

Motion 2: Move to add the following into the 11bn SFD:

In the TB PPDU carrying OBSS AP sounding feedback do you support limiting Nss to 1

 

 

Motion 3: Move to add the following into the 11bn SFD:

In COBF, cross-BSS/joint sounding feedback max Nc is limited to 2

 

Motion 4: Move to add the following into the 11bn SFD:

In TB PPDU carrying cross BSS (including joint) sounding feedback for COBF the T_PE is fixed as 20uS (nominal_packet_padding=20uS and aFactor=4) and LDPC extra symbol set as 1

•       AP will set the UL length field and other parameters in the BFRP trigger frame according to this rule

 

 

Thanks,

Ron

 

 

 

From: Rui Cao <rui.cao_2@xxxxxxx>
Sent: Wednesday, May 14, 2025 9:43 PM
To: STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx
Subject: Re: [STDS-802-11-TGBN] PHY Motions request for May 2025

 

Hi Alfred,

 

Please help to add the following passed SPs to the PHY Motion list:

• Motion 1: Move to add the following to 11bn SFD:

The definition for the transmit constellation error in an UHR TB PPDU using RRU:

Transmit Constellation Error requirement of UHR TB PPDU using RRU for MCS0-15 follows the same definition as in EHT.

Transmit Constellation Error requirement of UHR TB PPDU using RRU for the new MCSs (QPSK 2/3, 16QAM 2/3, 16QAM 5/6 and 256QAM 2/3) is:

 

MCS	Relative constellation error in an UHR TB PPDU using RRU when transmit power is larger than the maximum power of UHR-MCS 7 (dB)	Relative constellation error in an UHR TB PPDU using RRU when transmit power is less than or equal to the maximum power of UHR-MCS 7 (dB)
QPSK 2/3	-13	-27
16QAM 2/3	-18	-27
16QAM 5/6	-20	-27
256QAM 2/3	-29	-29

 

Reference document: [11-25/843r0]

Result: no objection

 

• Motion 2: Move to add the following to 11bn SFD:

The unused tone EVM definition and requirement of UHR TB PPDU when all users are scheduled with RRU is the same as in EHT TB PPDU.

Reference document: [11-25/843r0]

Result: no objection

 

 

Thanks,

Ying

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