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Re: [STDS-802-11-TGBE] 答复: [STDS-802-11-TGBE] Fwd: FW: [STDS-802-11-TGBE] 429r0



Hi Kaiying

 

Thanks for reminding us of that and discussing it

 

I just had almost similar question as Yunbo (regarding deaf issue)

Regarding that, you assume the following? (I may miss your point)

- Performing PBT back-off only when any OBSS PPDU is detected in PCH

- Performing PBT back-off after detecting its TXOP and aligning theirs TXOPs (ends)

 

Thanks

Best Regards

Insun

 

From: Liyunbo [mailto:liyunbo@xxxxxxxxxx]
Sent: Friday, May 22, 2020 7:13 PM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGBE]
: [STDS-802-11-TGBE] Fwd: FW: [STDS-802-11-TGBE] 429r0

 

Hi Kaiying,

 

It is a good way to put the Q list in the email to remind people. Thanks for initiating the discussion.

 

I have a clarification question: when AP transmit on secondary channel according PBT, during the transmission period, it will be deaf to receive packet at primary channel (similar as non-STR MLD scenario). After the AP finish the transmission, does it need to wait NAVSyncDelay on primary channel before backoff on primary channel?

 

Regards,

Yunbo

 

发件人: Rojan Chitrakar [mailto:rojan.chitrakar@xxxxxxxxxxxxxxxx]
发送时间: 2020522 14:36
收件人: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
主题: Re: [STDS-802-11-TGBE] Fwd: FW: [STDS-802-11-TGBE] 429r0

 

Hi Kaiying,

 

I had the same question as Minyoung: What about NAV on the non-primary blocks for AP? I think you replied that NAV is only maintained on the primary 20, but I think that is risky. I think NAV should be extended to non-primary blocks too, else it is not fair to OBSS or legacy STAs that have P20 on those channels, since their channel access may be blocked due to NAV.

 

Regards,

Rojan

 

From: Kaiying Lu <Kaiying.Lu@xxxxxxxxxxxx>
Sent: Friday, May 22, 2020 12:49 PM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGBE] Fwd: FW: [STDS-802-11-TGBE] 429r0

 

 Hi all,

Due to the time limitation I did not have chance to hear all your comments and questions during my presentation 20/429r0

Basically, in a wide operating bandwidth (eg.320MHz,240MHz,160MHz) BSS, enabling devices of lower BW capability (eg. 80MHz) to park on different 80MHz segments make the wide band resource allocation more flexible and efficient. When the primary 20MHz channel is blocked, instead of just waiting in the primary 20/80, allowing some opportunistic transmissions on other free 80MHz segments would be beneficial for the STAs parking on the non-primary 80 segments and enhance the system throughput.

I would like to collect more comments from the group for further offline discussion. I saw the Q list below. It would be very helpful if I can know your concerns.

from [V] Ming Gan (Huawei) to everyone:

Q

from [V] Pooya Monajemi (Cisco) to everyone:

Q

from [V] Chunyu Hu (FB) to everyone:

Q

from [V] Yunbo Li (Huawei Technologies) to everyone:

Q

from [V] Sharan Naribole (Samsung) to everyone:

Q

from [V] George Cherian (Qualcomm) to everyone:

Q

from [V] Rojan Chitrakar (Panasonic) to everyone:

Q

from [V] dibakar das (Intel) to everyone:

Q

from [V] Yonggang Fang (ZTE TX) to everyone:

Q

from [V] Insun Jang (LGE) to everyone:

Q (if possible)

Thanks,

Kaiying

 

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