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[STDS-802-11-TGBE] 答复: 11-22-0230-02-00be-cc36-cr-of-cid-4147-and-5311



Hi Wook Bong,

 

Thanks for your question. Current text is clear for me, 20MHz only STA is not related for now. Let’s see whether Xiaogang has concern or suggestions.

 

 

Regards,

Yunbo

 

发件人: Wook Bong Lee [mailto:wookbong.lee@xxxxxxxxxxx]
发送时间: 2022226 1:00
收件人: Liyunbo <liyunbo@xxxxxxxxxx>; STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
主题: RE: 11-22-0230-02-00be-cc36-cr-of-cid-4147-and-5311

 

Hi Yunbo and Xiaogang,

 

Thanks for discussion.

Do we need to worry about 20 MHz only STA?

It is clear that this is only for STA 6G.

 

The TA field is the address of the STA transmitting the RTS frame or the bandwidth signaling TA of the STA transmitting the RTS frame. In an RTS frame transmitted by an EHT STA that is a STA 6G with 320 MHz bandwidth support in a non-HT or non-HT duplicate format to another EHT STA that is a STA 6G

 

Best regards,

Wook Bong Lee

 

From: Liyunbo [mailto:00001846a2e5e0c1-dmarc-request@xxxxxxxxxxxxxxxxx]
Sent: Thursday, February 24, 2022 10:44 PM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGBE]
: 11-22-0230-02-00be-cc36-cr-of-cid-4147-and-5311

 

Hi Xiaogang,

 

Thanks for your feedback.

 

As you said, since 20MHz only STA is not allowed in 6GHz yet. So current text doesn’t related to 20MHz only STA. How about we clarify the rule for 20MHz only STA based on the decision from the group when it is allowed?

 

From my knowledge, there is no other frame with 320MHz non-HT duplicated format need to be understand by 20MHz only STA.

 

 

Regards,

Yunbo

 

发件人: Chen, Xiaogang C [mailto:xiaogang.c.chen@xxxxxxxxx]
发送时间: 2022225 4:38
收件人: Liyunbo <liyunbo@xxxxxxxxxx>; STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
主题: RE: 11-22-0230-02-00be-cc36-cr-of-cid-4147-and-5311

 

Thanks Yunbo.

CID 4147 is about 320Mhz NDPA, so I add my understanding below:

  • 80/160MHz STA already mandatory support Full BW MU feedback for 320MHz NDPA, so these STA need to understand 320MHz indication in service field for sure.
  • 20MHz only STA is not allow in 6GHz yet. Even it is allowed, BFer is not supposed to address to 20MHz STA with 320MHz NDPA. So no matter 20MHz STA support 320MHz NDPA or not, there is no interop issue.

 

Btw, I cannot find any change directly related to NDPA in your document except RXVECTOR below. If the highlighted is used to cover NDPA, my question is if 20MHz only device is allowed in 6GHz, they also need to support 320MHz BW signaling even they will never be able to participate 320MHz sounding? Is there other frames with 320MHz non-HT dup format need to be understood by 20Mhz only STA?

Parameter

Associated primitive

Value

CH_BANDWIDTH

_IN_NON_HT

PHY-RXSTART.request(RXVECTOR)

Not present if neither dot11VHTOptionImplemented nor dot11HEOptionImplemented is present or equal to true.

Present if at least one of dot11VHTOptionImplemented and dot11HEOptionImplemented is present and equal to true.

If dot11EHTOptionImplemented is not present or equal to false, then the allowed values areIf present, CBW20, CBW40, CBW80, CBW160, or CBW80+80.

If dot11EHTOptionImplemented is equal to true and the STA is not a STA 6G(#4147), then the allowed values are CBW20, CBW40, CBW80, or CBW160.

If dot11EHTOptionImplemented is equal to true and the STA is a STA 6G(#4147), then the allowed values are CBW20, CBW40, CBW80, CBW160, or CBW320.

 

 

From: Liyunbo <00001846a2e5e0c1-dmarc-request@xxxxxxxxxxxxxxxxx>
Sent: Wednesday, February 23, 2022 8:54 AM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGBE] 11-22-0230-02-00be-cc36-cr-of-cid-4147-and-5311

 

Dear all,

 

I initial this e-mail thread to discuss the issue of BW signaling of NPDA which mentioned in CID 4147. Please let me know your comments and suggestions, thanks.

 

I uploaded 230r2 to the server to incorporate Po-Kai’s comments during the presentation.

 

https://mentor.ieee.org/802.11/dcn/22/11-22-0230-02-00be-cc36-cr-of-cid-4147-and-5311.docx

 

 

Regards,

Yunbo


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