Re: [STDS-802-11-TGBE] PDT - Unused tone EVM
Hi Wook bong,
That rule is an unnecessary constraint/requirement. My thinking based on
the discussion is that we need a two-fold solution which seems natural
based on 11ax design and puncturing mask we adopted in 11be:
1. Use option 3 for unused tone error EVM at a fixed level of
max(epsilon-2,-38) in the hole of a non-contiguous MRU.
2. In addition to #1 – non-AP STA needs to meet the punctured mask we
already defined in 36.3.19.1.2 *for any RU/MRU* (this one has nothing to
do with non-contiguous MRU) based on static puncturing, meaning applied
only for the subband signaled in the beacon (that’s the only subband the
STA knows is punctured)
a. I assume only one punctured subband will be signaled in the beacon
and will be limited to the non-ofdma puncturing patterns we defined in the
spec (other cases STA doesn’t implement).
Thanks,
Ron
*From:* Wook Bong Lee <wookbong.lee@xxxxxxxxxxx>
*Sent:* Wednesday, April 14, 2021 4:22 PM
*To:* STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
*Subject:* Re: [STDS-802-11-TGBE] PDT - Unused tone EVM
Hi Jianhan,
That is only if we don’t allow non-AP STA to transmit higher than MCS 7
power level.
If that is what members wants, then we need to make a rule like
E.g. when allocates non-contiguous MRU, AP STA shall assume an non-AP STA
uses transmit power less than the maximum power of EHT-MCS 7.
Best regards,
Wook Bong Lee
*From:* Jianhan Liu [mailto:Jianhan.Liu@xxxxxxxxxxxx
<Jianhan.Liu@xxxxxxxxxxxx>]
*Sent:* Wednesday, April 14, 2021 3:44 PM
*To:* Wook Bong Lee <wookbong.lee@xxxxxxxxxxx>;
STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
*Subject:* RE: [STDS-802-11-TGBE] PDT - Unused tone EVM
-29 to -38 dB is always more tighter than -20 to -25dBr (puncture mask),
right?
Then puncture mask becomes less useful then if puncture cases cannot be
always identified.
Thanks,
Jianhan
*From:* Wook Bong Lee [mailto:wookbong.lee@xxxxxxxxxxx
<wookbong.lee@xxxxxxxxxxx>]
*Sent:* Wednesday, April 14, 2021 2:25 PM
*To:* STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
*Subject:* Re: [STDS-802-11-TGBE] PDT - Unused tone EVM
Hi Jianhan and Ron,
Punctured mask: -20 to -25dBr
Max(EVM – 2,-38): -15 to -38 dB depending on modulation level
If we only allow power level less than or equal to the maximum power of
EHT-MCS 7, then
Max(EVM – 2,-38): -29 to -38 dB.
Best regards,
Wook Bong Lee
*From:* Jianhan Liu [mailto:Jianhan.Liu@xxxxxxxxxxxx
<Jianhan.Liu@xxxxxxxxxxxx>]
*Sent:* Wednesday, April 14, 2021 2:02 PM
*To:* STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
*Subject:* Re: [STDS-802-11-TGBE] PDT - Unused tone EVM
Hi All,
For epsilon-2 in option 3, in which cases that the unused tone mask is
tighter than punctured mask?
Thanks,
Jianhan
*From:* Ron Porat [mailto:000009a0da80e877-dmarc-request@xxxxxxxxxxxxxxxxx
<000009a0da80e877-dmarc-request@xxxxxxxxxxxxxxxxx>]
*Sent:* Wednesday, April 14, 2021 1:42 PM
*To:* STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
*Subject:* Re: [STDS-802-11-TGBE] PDT - Unused tone EVM
Hi Wook bong, Xiaogang,
For the regular unused tone mask we could go with epsilon-2 in option 3 to
make it tighter and that should be sufficient to expand the 11ax style
requirement to non-contiguous MRU.
If on top of that we want to add some new requirement based on section
36.3.19.1.2 we need to be a bit more careful and discuss it separately.
Since the STA is not in control (unlike SU) and doesn’t know if and where
there is a disallowed subchannel we may want to limit it to only a
subchannel conveyed in the beacon (static puncturing) and further decouple
the requirement from the M-RU size (e.g. case 3 therein).
Thanks,
Ron
*From:* Chen, Xiaogang C <xiaogang.c.chen@xxxxxxxxx>
*Sent:* Wednesday, April 14, 2021 8:57 AM
*To:* STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
*Subject:* Re: [STDS-802-11-TGBE] PDT - Unused tone EVM
Thanks Wook Bong to initiate this.
One thing to consider is regulatory may not differentiate puncture and
unallocated. They only differentiate adjacent and non-adjacent subchannel.
Given that, regarding the unused EVM of the frequency portion of the
“hole”, fully rely on e or e-2 may violate the regulatory requirement (for
low MCS) if the interpretation of the unused “hole” is just “non-adjacent”.
So IMO puncture mask is safer for the “hole”.
BRs,
Xiaogang.
*From:* Wook Bong Lee <wookbong.lee@xxxxxxxxxxx>
*Sent:* Monday, April 12, 2021 4:47 PM
*To:* STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
*Subject:* [STDS-802-11-TGBE] PDT - Unused tone EVM
Hi all,
Thanks for discussion today.
Please give your opinion on
11-21/639r1
<https://urldefense.com/v3/__https:/protect2.fireeye.com/v1/url?k=14cc6b05-4b575214-14cde04a-0cc47a31cdbc-0532f46d6dc677c8&q=1&e=a1e873d8-da73-4abb-b89e-7d541bbb7c81&u=https*3A*2F*2Furldefense.com*2Fv3*2F__https*3A*2Fmentor.ieee.org*2F802.11*2Fdcn*2F21*2F11-21-0639-01-00be-proposed-resolution-of-remaining-tbds-in-36-3-19-4-4-and-36-3-20-3.docx__*3B*21*21EwVzqGoTKBqv-0DWAJBm*21Ed2FRX3qagjesA280OOBCX3FoT_z7GrFZy3rCqfrV0F-qWqI8rT6FDsK1g710-Y3IVfnDg*24__;JSUlJSUlJSUlJSUlJSUlJQ!!EwVzqGoTKBqv-0DWAJBm!EnyPXAmeoGpYcZ2rbP47wj-vfJb6vlIMY43vTwrlHDlFjCvHvkMcG1joY_W7zo4FePxvow$>,
Proposed Resolution of Remaining TBDs in 36.3.19.4.4 and 36.3.20.3, Wook
Bong Lee (Samsung)
Please focus on change #3. PHY group accepted change #1, 2 and 4 today.
Best regards,
Wook Bong Lee
*From:* Wook Bong Lee
*Sent:* Friday, April 9, 2021 8:36 AM
*To:* 'asterjadhi@xxxxxxxxx' <asterjadhi@xxxxxxxxx>;
STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
*Cc:* Sigurd Schelstraete <sschelstraete@xxxxxxxxxxxxx>; Tianyu Wu <
tianyu@xxxxxxxxx>
*Subject:* RE: [STDS-802-11-TGBE] Announcement: Motions for TGbe on
Wednesday 14th of April 2021
Hi Alfred, Sigurd and Tianyu,
Can you please add following in the PHY queue?
11-21/639, Proposed Resolution of Remaining TBDs in 36.3.19.4.4 and
36.3.20.3, Wook Bong Lee (Samsung)
I will upload today or next Monday morning.
Best regards,
Wook Bong Lee
*From:* Alfred Asterjadhi [mailto:asterjadhi@xxxxxxxxx
<asterjadhi@xxxxxxxxx>]
*Sent:* Saturday, April 3, 2021 7:06 PM
*To:* STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
*Subject:* [STDS-802-11-TGBE] Announcement: Motions for TGbe on Wednesday
14th of April 2021
Hello all,
This is an advanced notification that TGbe will run motions during the
Joint teleconference scheduled on* April 14th 2021*.
Please refer to the document linked below for a preliminary list of all
the motions (starting from slide 33) that will be run during the
conference call:
https://mentor.ieee.org/802.11/dcn/20/11-20-1982-13-00be-tgbe-motions-list-for-teleconferences-part-2.pptx
<https://urldefense.com/v3/__https:/protect2.fireeye.com/v1/url?k=8a0ce106-d597d817-8a0d6a49-0cc47a31cdbc-8c5f5789e180c058&q=1&e=a1e873d8-da73-4abb-b89e-7d541bbb7c81&u=https*3A*2F*2Furldefense.com*2Fv3*2F__https*3A*2Fprotect2.fireeye.com*2Fv1*2Furl*3Fk*3D11777b2d-4eec4235-1176f062-0cc47a314e9a-aaffa092f99150bf*26q*3D1*26e*3D4e5f9760-8c57-44ae-ad65-9f1bd642dc9f*26u*3Dhttps*2A3A*2A2F*2A2Furldefense.com*2A2Fv3*2A2F__https*2A3A*2A2Fmentor.ieee.org*2A2F802.11*2A2Fdcn*2A2F20*2A2F11-20-1982-13-00be-tgbe-motions-list-for-teleconferences-part-2.pptx__*2A3B*2A21*2A21EwVzqGoTKBqv-0DWAJBm*2A21H1tA9WF2YKIaA4ItnHB4qgJsshypbKs32vuk-OJ1TwSpRkPUwC-bnUqX6NXNdEKhk3cXoA*2A24__*3BJSUlJSUlJSUlJSUlJSUlJQ*21*21EwVzqGoTKBqv-0DWAJBm*21Ed2FRX3qagjesA280OOBCX3FoT_z7GrFZy3rCqfrV0F-qWqI8rT6FDsK1g710-bQ0-72YQ*24__;JSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSU!!EwVzqGoTKBqv-0DWAJBm!EnyPXAmeoGpYcZ2rbP47wj-vfJb6vlIMY43vTwrlHDlFjCvHvkMcG1joY_W7zo5dtOutYA$>
Please review the documents included in *Motions 166-172*, and reply to
this e-mail if you would like to identify any of these documents or any
particular CID as items that need further discussion.
The deadline for sending these e-mails is *April 13th 2021 @10:00am ET*.
A list of these requested items will be queued for discussion and run as a
separate motion (Motions >172) during the same Joint conference call.
Contributions that have not received a request for further discussions will
be part of their respective cumulative motion and will be run at the same
Joint conference call.
For more information please refer to the subclause "Guideline-Building
Consensus and Populating the TGbe SFD" in
https://mentor.ieee.org/802.11/dcn/20/11-20-0984-04-00be-tgbe-teleconference-guidelines.docx.
<https://urldefense.com/v3/__https:/protect2.fireeye.com/v1/url?k=1d3fee6b-42a4d77a-1d3e6524-0cc47a31cdbc-4c19528d249ee31c&q=1&e=a1e873d8-da73-4abb-b89e-7d541bbb7c81&u=https*3A*2F*2Furldefense.com*2Fv3*2F__https*3A*2Fprotect2.fireeye.com*2Fv1*2Furl*3Fk*3Db04dcc70-efd6f568-b04c473f-0cc47a314e9a-7c74cf44a5d623f8*26q*3D1*26e*3D4e5f9760-8c57-44ae-ad65-9f1bd642dc9f*26u*3Dhttps*2A3A*2A2F*2A2Furldefense.com*2A2Fv3*2A2F__https*2A3A*2A2Fmentor.ieee.org*2A2F802.11*2A2Fdcn*2A2F20*2A2F11-20-0984-04-00be-tgbe-teleconference-guidelines.docx.__*2A3B*2A21*2A21EwVzqGoTKBqv-0DWAJBm*2A21H1tA9WF2YKIaA4ItnHB4qgJsshypbKs32vuk-OJ1TwSpRkPUwC-bnUqX6NXNdEJOWzA_eA*2A24__*3BJSUlJSUlJSUlJSUlJSUlJQ*21*21EwVzqGoTKBqv-0DWAJBm*21Ed2FRX3qagjesA280OOBCX3FoT_z7GrFZy3rCqfrV0F-qWqI8rT6FDsK1g710-bPQPvrBw*24__;JSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSU!!EwVzqGoTKBqv-0DWAJBm!EnyPXAmeoGpYcZ2rbP47wj-vfJb6vlIMY43vTwrlHDlFjCvHvkMcG1joY_W7zo4lrsZZ8Q$>
If you have any comments and/or questions please let me know.
Best Regards,
Alfred
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