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Hi Alfred,Could you please add following SP on Dynamic Bandwidth Expansion to the MAC queue for this week:Do you agree to add the following text to 11bn SFD?
Define in 11bn a mechanism for dynamic bandwidth expansion (DBE) that enables a UHR AP to change (expand/reset) its dynamic UHR BSS operating bandwidth for UHR STAs that support the DBE operation.
- The dynamic bandwidth change is performed at the management frame level.
- The mechanism defines new signaling such that legacy STAs and UHR STAs that don’t support the DBE operation remain unaffected when the UHR AP operates with expanded bandwidth.
- The primary channel does not change during the DBE operation.
Supporting list: 24/088, 24/815Thanks,BinitaOn Tue, Jan 14, 2025 at 4:55 PM SunHee Baek <sunhee.baek@xxxxxxx> wrote:Hi Alfred.
Could you please add the following SP to the MAC SP queue?
- SP: Do you agree to add the following text to the TGbn SFD?
n An AP that requests protection for its R-TWT schedule(s) via negotiations shall include information carried in TBD subfields from the Broadcast TWT Parameter Set field corresponding to each R-TWT schedule being negotiated in a TBD individually addressed Management frame that it transmits to the other AP.
Best Regards
SunHee Baek
From: hongwon.lee <hongwon.lee@xxxxxxx>
Sent: Tuesday, January 14, 2025 2:39 PM
To: STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx
Subject: Re: [STDS-802-11-TGBN] TGbn MAC SPs Request
Hi Alfred,
Could you please add the following SP to the MAC SP queue?
SP1 – Hongwon Lee – Coex
Do you agree to include the following into the 11bn SFD?
In response to BSRP Trigger frame transmitted by a non-AP STA as the TXOP holder, an AP transmits a Multi-STA BlockAck frame
- Block Ack Starting Sequence Control subfield and Block Ack Bitmap subfield are not present if there is no any feedback information
- Values of Ack Type and TID are TBD
Supporting documents: [24/1464]
Best Regards,
Hongwon
From: Shawn Kim <shawn.kim@xxxxxxxxxxxxxx>
Sent: Tuesday, January 14, 2025 1:54 PM
To: STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx
Subject: Re: [STDS-802-11-TGBN] TGbn MAC SPs Request
Dear Alfred,
Could you please add the following SPs to the MAC queue?
(SP1) •Do you agree to add the following to the TGbn SFD?
- NPCA Initial Control Frame shall explicitly indicate that it is transmitted via the NPCA primary channel
Supporting document: [24/0670]
(SP2) •Do you agree to add the following to the TGbn SFD?
- An AP operating on the NPCA primary channel does not respond to the frame transmitted via the BSS primary channel
Supporting document: [24/0670]
Best regards,
Shawn
2025년 1월 14일 (화) 오전 11:42, Sherief Helwa <00002dded7ae4daf-dmarc-request@xxxxxxxxxxxxxxxxx>님이 작성:
Hi Alfred,
Please see the following updated SP text.
- Do you agree with the following:
Green: allowed
Orange: disallowed
Allowed ICF to be transmitted by a non-AP STA?
eMLSR
AP DPS
DUO
NPCA
Unsolicited Coex
C-TDMA (ICF)
Co-BF/Co-SR
RTS
N/A
Yes
N/A*
No
No
N/A
MU RTS
No
No
No
BSRP Trigger
No
No
No
BSRP GI3
Yes
Yes
Yes
RTS solicits CTS frame; BSRP GI3 Trigger frame solicits an M-BA that is contained in a non-HT (dup) PPDU.
C-TDMA, C-BF, CSR transmission is to other APs. No expectations for non-AP STAs, unless due to other functionalities already enabled/supported by non-AP STA.
* Here N/A means that the Coex Mode (DUO) cannot be enabled by an AP, and as such the AP cannot send an M-BA that contains unavailability feedback in response to ICFs (BSRP GI3 to be more specific) sent by the STA.
Acronyms:
- DPS: Dynamic Power Save
- DUO: Dynamic Unavailability Operation
- Unsolicited CoEx: Reporting unavailability in ICF
- Co-BF: Coordinated beamforming
- Co-SR: Coordinated Spatial Reuse
- BSRP GI3: BSRP Trigger frame soliciting a non-HT (dup) response
Supporting list: [24/1558, 24/1221, 24/1225, 24/1563]
- Do you agree with the following:
Green: allowed
Yellow: TBD
Orange: disallowed
Allowed ICF to be transmitted by an AP
ICF
eMLSR
DPS
DUO
NPCA
C-TDMA (ICF/announcement frame)
Co-BF/Co-SR
RTS
No
Yes
No
No
No
No
MU RTS
Yes
Yes
No
Yes
No
TBD
BSRP Trigger
Yes
Yes
Yes
Yes
Yes
TBD
BSRP GI3
TBD
TBD
Yes
TBD
Yes
TBD
RTS solicits CTS frame; MU RTS Trigger solicits CTS frame; BSRP Trigger solicits a TB PPDU that contains QoS Null(s) if STA is not in Coex mode and STA is allowed to aggregated M-BA if STA is in Coex mode; BSRP GI3 Trigger frame solicits an M-BA that is contained in a non-HT (dup) PPDU.
Allocation frame for C-TDMA is MU-RTS TXS
Acronyms:
- DPS: Dynamic Power Save
- DUO: Dynamic Unavailability Operation
- Co-BF: Coordinated beamforming
- Co-SR: Coordinated Spatial Reuse
- BSRP GI3: BSRP Trigger frame soliciting a non-HT (dup) response
Supporting list: [24/1558, 24/1221, 24/1225, 24/1563]
Regards,
Sherief
From: Sherief Helwa
Sent: Monday, January 13, 2025 12:37 AM
To: STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx; Alfred Asterjadhi <asterjadhi@xxxxxxxxx>; Liwen Chu <liwen.chu@xxxxxxx>
Cc: Liwen Chu <liwen.chu@xxxxxxx>
Subject: RE: TGbn MAC SPs Request
Hi Alfred,
A couple more SPs to add to the MAC queue please. These two SPs are from @Liwen Chu and me.
- Do you agree with the following:
Green: allowed
Orange: disallowed
Allowed ICF to be transmitted by a non-AP STA?
eMLSR
AP DPS
solicited Coex
DSO
NPCA
Unsolicited Coex
CFP
C-TDMA (ICF)
C-BF/CSR
RTS
N/A
Yes
N/A*
N/A
No
No
No
N/A
MU RTS
No
No
No
No
BSRP
No
No
No
No
BSRP GI3
Yes
Yes
Yes
Yes
C-TDMA, C-BF, CSR transmission is to other APs. No expectations for non-AP STAs, unless due to other functionalities already enabled/supported by non-AP STA.
* Here N/A means that the Coex Mode cannot be enabled by an AP, and as such the AP cannot send an M-BA that contains unavailability feedback in response to ICFs (BSRP GI3 to be more specific) sent by the STA.
Supporting list: [24/1558, 24/1221, 24/1225, 24/1564, 24/1563]
- Do you agree with the following:
Green: allowed
Yellow: TBD
Orange: disallowed
Allowed ICF to be transmitted by an AP
ICF
eMLSR
DPS
DUO
DSO
NPCA
CFP
C-TDMA (ICF/announcement frame)
C-BF/CSR
RTS
No
Yes
No
No
No
No
No
No
MU RTS
Yes
Yes
No
No
Yes
No
No
TBD
BSRP
Yes
Yes
Yes
Yes
Yes
Yes
Yes
TBD
BSRP GI3
TBD
TBD
Yes
No
TBD
Yes
Yes
TBD
C-TDMA, C-BF, CSR transmission is to other APs. No expectations for non-AP STAs, unless due to other functionalities already enabled/supported by non-AP STA.
RTS solicits CTS frame; MU RTS Trigger solicits CTS frame; BSRP Trigger solicits a TB PPDU that contains QoS Null(s) if STA is not in Coex mode and STA is allowed to aggregated M-BA if STA is in Coex mode; BSRP GI3 Trigger frame solicits an M-BA that is contained in a non-HT (dup) PPDU. More details in other tables.
Allocation frame for C-TDMA is MU-RTS TXS
Supporting list: [24/1558, 24/1221, 24/1225, 24/1564, 24/1563]
Regards,
Sherief
From: Sherief Helwa
Sent: Sunday, January 12, 2025 10:20 PM
To: STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx; Alfred Asterjadhi <asterjadhi@xxxxxxxxx>
Subject: TGbn MAC SPs Request
Hi Alfred,
Can you please add the following SPs to the MAC queue?
- Do you agree with the following for UHR-variant trigger frame:
- Responding PPDU format is non-HT (Dup) PPDU format: reuse entry value 3 in GI and HE/EHT LTF type in UHR-variant common info field
- Other values are used for UHR TB PPDU format
Supporting list: [11-24/1558]
- Do you agree to include the CoEx unavailability information in a new “Special User Info” field with AID12 set to 2008 of the BSRP Trigger frame when used as an ICF to report CoEx unavailability information
- A Feedback Type field (4 bits field – B12 to B15 of the “Special User Info” field) which is set to 0 to indicate that the “Special User Info” field is carrying CoEx unavailability information
- CoEx unavailability information includes two parameters: Unavailability Target Start Time and Unavailability Duration (these fields are already defined)
Supporting list: [11-24/1558]
- Do you support to define a special Feedback Per AID TID Info field (name TBD) that carries control feedback in the M-BA frame?
- The control feedback (i.e. unavailability indication) is carried instead of the BlockAck Bitmap in that Feedback Per AID TID Info field
- The Ack Type subfield of the Per AID TID Info field is set to 0 and the TID subfield of the Per AID TID Info field is set to the value 13
- The AID11 subfield of this Per AID TID Info field is set to 2008 value if the control feedback is addressed to all STAs or to the AID11 that identifies the intended recipient STA
- The Starting Sequence Number field of this Per AID TID Info field is reserved
Supporting list: [11-24/543, 11-24/1558]
Regards,
Sherief
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Sanghyun Kim, Ph.D
WILUS Inc.
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