Hi Ross,
Thanks for response.
I know he copied from 11ax.
I just want to point out that there is no N_STS parameter in 11be.
J
Sure, we can discuss further.
Best regards,
Wook Bong Lee
From: Yujian (Ross Yu) [mailto:ross.yujian@xxxxxxxxxx]
Sent: Saturday, September 26, 2020 6:56 PM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGBE] 答复: [STDS-802-11-TGBE]
PDT of scrambler and LTF sequence Uploaded
Hi Wook Bong,
A unified SU & MU is a general description. I think how to transmit NLTF needs further discussion for EHT MU PPDU. I see Rui Cao has
a contribution discussing that. So I prefer to make it TBD at this stage.
For EHT TB PPDU, I think Chenchen follows 11ax. NEHTLTF shall be a function of Nsts, total for non-OFDMA case.
regards
于健 Ross Jian
Yu
Huawei Technologies
发件人:
Wook Bong Lee [mailto:wookbong.lee@xxxxxxxxxxx]
发送时间: 2020年9月26日 8:13
收件人:
STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
主题: Re: [STDS-802-11-TGBE] PDT of scrambler and LTF sequence Uploaded
Hi Chenchen,
Thanks for your effort.
I have a comment.
In following, you have NSTS for single user transmission.
In an EHT MU PPDU with a single RU/MRU (the RU/MRU having an MU-MIMO allocation or an SU allocation), the
number of EHT-LTF symbols, NEHT-LTF, is a function of the total number of space-time streams NSTS as shown in Table TBD.
But we determined not to differentiate single user and multi user, please refer 11-20/1153r3 where there is no NSTS but only NSTS,r,total.
So, probably you can delete it and modify below sentence as follows.
In an EHT MU PPDU, NEHT-LTF is indicated in the U-SIG field. In an EHT MU PPDU
with more than one RU/MRU, NEHT-LTF
may take a value that is greater than or equal to the maximum value of the initial number of EHT-LTF symbols for each RU/MRU, where the initial number of EHT-LTF symbols is calculated as a function of NSTS, r, total (where r is the index of the RU/MRU) based
on Table TBD.
Similarly,
In an EHT TB PPDU, NEHT-LTF is indicated in the Trigger frame that triggers the transmission of the PPDU.
In a non-OFDMA EHT TB PPDU, the number of EHT-LTF symbols, NEHT-LTF, is a function of the total number of space-time streams, NSTS, as shown in Table
TBD. For an OFDMA
In
HE TB PPDU, NEHT_LTF may be greater than or equal to the maximum value of the initial number of EHT-LTF symbols for each RU/MRU r, which is calculated
as a function of NSTS, r, total, separately based on Table TBD.
Best regards,
Wook Bong Lee
From: liuchenchen [mailto:liuchenchen1@xxxxxxxxxx]
Sent: Thursday, September 24, 2020 11:05 PM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGBE] 答复:
[STDS-802-11-TGBE] PDT of scrambler and LTF sequence Uploaded
Hi Xiaogang
I am now ok with your comments. But if I remove the switch in the figure, other people may have some concerns. So how about we just
mark the figure of the scrambler to yellow?
Thanks
BRs
Chenchen Liu
发件人:
Chen, Xiaogang C [mailto:xiaogang.c.chen@xxxxxxxxx]
发送时间: 2020年9月25日 3:32
收件人:
STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
主题: Re: [STDS-802-11-TGBE] PDT of scrambler and LTF sequence Uploaded
I mean the last page of the slides is not correct. The rest are correct.
BRs,
Xiaogang.
From: Chen, Xiaogang C <xiaogang.c.chen@xxxxxxxxx>
Sent: Thursday, September 24, 2020 12:24 PM
To: Chen, Xiaogang C <xiaogang.c.chen@xxxxxxxxx>;
STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: RE: [STDS-802-11-TGBE] PDT of scrambler and LTF sequence Uploaded
Sorry Chenchen, please ignore the last slide. The sequence I typed is not the correct one.
BRs,
Xiaogang.
From: Chen, Xiaogang C <xiaogang.c.chen@xxxxxxxxx>
Sent: Thursday, September 24, 2020 9:15 AM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: Re: [STDS-802-11-TGBE] PDT of scrambler and LTF sequence Uploaded
Hi Chenchen
I use the attached slides to explain why I proposed the new figure which is not in r3. I can explain in the call if still not clear.
Another comment is why the first 7 bits in MU-RTS “should not” be all 0 instead of “shall not” be all 0?
BRs,
Xiaogang.
From: liuchenchen <liuchenchen1@xxxxxxxxxx>
Sent: Wednesday, September 23, 2020 8:51 PM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGBE] 答复: [STDS-802-11-TGBE] PDT of scrambler and LTF
sequence Uploaded
Hi Rui
Thank for your comments. The PDT has been updated to r3.
BRS
Chenchen Liu
发件人:
Rui Cao [mailto:rui.cao_2@xxxxxxx]
发送时间: 2020年9月23日 9:39
收件人: liuchenchen <liuchenchen1@xxxxxxxxxx>;
STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
主题: RE: [STDS-802-11-TGBE] PDT of scrambler and LTF sequence Uploaded
Hi Chenchen,
Thank you for the PDT.
One quick comments: please highlight the three paragraphs in page 9 describing LTF sequences for “80+80” in the document for further discussions.
Thank you,
Rui
From: liuchenchen <liuchenchen1@xxxxxxxxxx>
Sent: Thursday, September 17, 2020 11:38 PM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGBE] 答复: [STDS-802-11-TGBE]
PDT of scrambler and LTF sequence Uploaded
Hi Lei
All your comments are accepted except the last one. I know the text can be simplified, but I think it is better to keep it the same
text with the passed motions.
Thanks a lot
Best Regards
Chenchen Liu
发件人:
Lei Huang [mailto:nusleihuang@xxxxxxxxxxx]
发送时间: 2020年9月18日 11:06
收件人: liuchenchen <liuchenchen1@xxxxxxxxxx>;
STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
主题: RE: [STDS-802-11-TGBE] PDT of scrambler and LTF sequence Uploaded
Hi Chenchen,
Thank you for preparing this PDT. Attached please find my comments.
Best regards,
Lei
From: liuchenchen <liuchenchen1@xxxxxxxxxx>
Sent: Thursday, September 17, 2020 3:56 PM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGBE] 答复: [STDS-802-11-TGBE]
PDT of scrambler and LTF sequence Uploaded
Hi Jinyoung
Thanks. It has been updated according to your comments.
https://mentor.ieee.org/802.11/dcn/20/11-20-1495-01-00be-pdt-of-eht-ltf-sequences.docx
Best regards
Chenchen Liu
发件人:
천진영 [mailto:jiny.chun@xxxxxxx]
发送时间: 2020年9月17日 14:13
收件人: liuchenchen <liuchenchen1@xxxxxxxxxx>;
STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
主题: RE: [STDS-802-11-TGBE] PDT of scrambler and LTF sequence Uploaded
Hi Chenchen,
Thank you for preparing the PDT drafts.
I’ve
added some comments in EHT-LTF draft. Please see the attached.
Best regards,
Jinyoung
From: liuchenchen [mailto:liuchenchen1@xxxxxxxxxx]
Sent: Thursday, September 17, 2020 12:13 PM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGBE] PDT of scrambler and LTF sequence Uploaded
Dear TTT members and all.
The PDT draft on EHT PHY data scrambler and EHT LTF sequences has been uploaded. Please check it out and share your comments so as
to make it better.
https://mentor.ieee.org/802.11/dcn/20/11-20-1495-00-00be-pdt-of-eht-ltf-sequences.docx
Thank you
Best regards
Chenchen
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