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[STDS-802-11-TGBE] 答复: [STDS-802-11-TGBE] PDT of scrambler and LTF sequence Uploaded



Hi Xiaogang

 

I think you referring to only the scramble case. But to descramble, the initial state shall be estimated and the scrambler shall be initialized. The same scrambler is used to scramble transmit data and to descramble receive data. So it may be better to keep it there.

 

BRs

 

Chenchen Liu

 

 

发件人: Chen, Xiaogang C [mailto:xiaogang.c.chen@xxxxxxxxx]
发送时间: 2020918 23:55
收件人: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
主题: Re: [STDS-802-11-TGBE] PDT of scrambler and LTF sequence Uploaded

 

Hi Chenchen

I double checked with Youhan and the rule should be as in the new figure. i.e. we don’t need the initialization branch which is only for non-HT dup BW indication.

Also I checked I.1.5.2 Scrambling the BCC example in 11md draft. You can see the first 7 bits after scrambling is not1011101” which is used to initialize the scrambler. If the initialization branch always exist, the first 7 bits after scrambling should be “1011101”.

 

BRs,

Xiaogang.

 

From: liuchenchen <liuchenchen1@xxxxxxxxxx>
Sent: Thursday, September 17, 2020 11:50 PM
To: Chen, Xiaogang C <xiaogang.c.chen@xxxxxxxxx>; STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject:
答复: [STDS-802-11-TGBE] PDT of scrambler and LTF sequence Uploaded

 

Hi Xiaogang

 

Thanks for your comments. All your comments are accepted except the modification to the figure. The initialization is always needed I think. We can talk more on that if needed.

 

BRs

Chenchen Liu

 

发件人: Chen, Xiaogang C [mailto:xiaogang.c.chen@xxxxxxxxx]
发送时间: 2020918 2:51
收件人: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
主题: Re: [STDS-802-11-TGBE] PDT of scrambler and LTF sequence Uploaded

 

Hi Chenchen,

I added more comments on top of Lin’s. Thanks.

 

BRs,

Xiaogang.

 

From: Lin Yang <linyang@xxxxxxxxxxxxxxxx>
Sent: Wednesday, September 16, 2020 9:40 PM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: Re: [STDS-802-11-TGBE] PDT of scrambler and LTF sequence Uploaded

 

Thanks Chenchen for drafting the scrambler section. Please find my comments in the attached file.

 

Thanks,

Lin

 

From: liuchenchen <liuchenchen1@xxxxxxxxxx>
Sent: Wednesday, September 16, 2020 8:13 PM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: [EXT] [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

https://mentor.ieee.org/802.11/dcn/20/11-20-1494-00-00be-pdt-of-eht-phy-data-scrambler-and-descrambler.docx

 

 

Thank you

 

Best regards

Chenchen


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