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Dear Alfred,
Could you please add the following SP to the MAC queue? Thanks.
SP-1
Do you agree to add the following text to the TGbn SFD?
During Co-TDMA, TGbn defines a mechanism for a Co-TDMA sharing AP to transmit to a Co-TDMA coordinated AP an indication of whether the Co-TDMA coordinated AP returns the remainder of the allocated time (if any) back to the Co-TDMA sharing AP.
Supporting document(s): [24/1250]
Best,
Serhat
From: Shawn Kim <shawn.kim@xxxxxxxxxxxxxx>
Sent: Monday, January 13, 2025 23:54
To: STDS-802-11-TGBN@xxxxxxxxxxxxxxxxx <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
Hi Alfred,
Please see the following updated SP text.
- Do you agree with the following:
Green: allowed
Orange: disallowed
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Allowed ICF to be transmitted by a non-AP STA?
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eMLSR
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AP DPS
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DUO
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NPCA
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Unsolicited Coex
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C-TDMA (ICF)
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Co-BF/Co-SR
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RTS
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N/A
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Yes
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N/A*
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No
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No
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N/A
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MU RTS
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No
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No
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No
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BSRP Trigger
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No
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No
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No
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BSRP GI3
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Yes
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Yes
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Yes
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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
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Supporting list: [24/1558, 24/1221, 24/1225, 24/1563]
- Do you agree with the following:
Green: allowed
Yellow: TBD
Orange: disallowed
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Allowed ICF to be transmitted by an AP
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ICF
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eMLSR
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DPS
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DUO
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NPCA
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C-TDMA (ICF/announcement frame)
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Co-BF/Co-SR
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RTS
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No
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Yes
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No
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No
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No
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No
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MU RTS
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Yes
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Yes
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No
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Yes
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No
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TBD
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BSRP Trigger
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Yes
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Yes
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Yes
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Yes
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Yes
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TBD
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BSRP GI3
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TBD
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TBD
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Yes
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TBD
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Yes
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TBD
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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
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Supporting list: [24/1558, 24/1221, 24/1225, 24/1563]
Regards,
Sherief
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
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Allowed ICF to be transmitted by a non-AP STA?
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eMLSR
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AP DPS
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solicited Coex
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DSO
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NPCA
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Unsolicited Coex
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CFP
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C-TDMA (ICF)
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C-BF/CSR
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RTS
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N/A
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Yes
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N/A*
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N/A
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No
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No
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No
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N/A
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MU RTS
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No
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No
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No
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No
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BSRP
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No
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No
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No
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No
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BSRP GI3
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Yes
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Yes
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Yes
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Yes
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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.
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Supporting list: [24/1558, 24/1221, 24/1225, 24/1564, 24/1563]
- Do you agree with the following:
Green: allowed
Yellow: TBD
Orange: disallowed
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Allowed ICF to be transmitted by an AP
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ICF
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eMLSR
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DPS
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DUO
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DSO
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NPCA
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CFP
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C-TDMA (ICF/announcement frame)
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C-BF/CSR
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RTS
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No
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Yes
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No
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No
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No
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No
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No
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No
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MU RTS
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Yes
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Yes
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No
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No
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Yes
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No
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No
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TBD
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BSRP
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Yes
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Yes
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Yes
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Yes
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Yes
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Yes
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Yes
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TBD
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BSRP GI3
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TBD
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TBD
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Yes
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No
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TBD
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Yes
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Yes
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TBD
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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.
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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
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Supporting list: [24/1558, 24/1221, 24/1225, 24/1564, 24/1563]
Regards,
Sherief
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.
5th Fl., 216 Hwangsaeul-ro Bundang-gu,
Seongnam-si Gyeonggi-do 13595, Korea
T +82 31 712 0523
www.wilusgroup.com
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