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Re: [802.3_NGAUTO] Comment #115 redrawing of Figure 149-7



George,

I believe the text below was accepted as resolution to comment 115.

Brett

 

 

replace the text of 149.3.2.2.14 with the following:

 

"The payload of the PCS PHY frame tx_encoded<3599:0> is scrambled to tx_scrambled<3599:0> with an additive scrambler. Two scrambler bits per symbol are generated from the side-stream scrambler defined in 149.3.4. The first (LSB) bit is DS_n[0] equal to Scr_n[0] defined in 149.3.4. The second (MSB) bit is DS_n[0] equal to Scr_n[3] XOR Scr_n[8].

 

DS_n[0] and DS_n[1] are applied as additive scrambler sequences to incoming data bits D_n[0] (LSB) and DS_n[1] (MSB) to generate two scrambled data bits {A, B} as follows:

 

A = DS_n[0] XOR D_n[0]

 

B = DS_n[1] XOR D_n[1]. "

 

(_n denotes subscript)

 

From: George Zimmerman <george@xxxxxxxxxxxxxxxxxxxx>
Sent: Tuesday, January 15, 2019 11:24 AM
To: Brett McClellan <bmc@xxxxxxxxxxx>; STDS-802-3-NGAUTO@xxxxxxxxxxxxxxxxx
Subject: [EXT] RE: Comment #115 redrawing of Figure 149-7

 

External Email


Thanks, Brett – this seems reasonable – where was the reference to DS_n[0] and DS_n[1]? (I can’t find it).   The ones I was referring to are the Scr_n[0], Scr_n[3] and Scr_n[8] (without the extra comma in the subscript) which relate to the nomenclature in Figure 149-10 and equation 149-8 used for the side stream scrambler.

 

George A. Zimmerman, Ph.D.

President & Principal Consultant

CME Consulting, Inc.

Experts in PHYsical Layer Communications

1-310-920-3860

george@xxxxxxxxxxxxxxxxxxxx

 

From: Brett McClellan <bmc@xxxxxxxxxxx>
Sent: Tuesday, January 15, 2019 10:19 AM
To: STDS-802-3-NGAUTO@xxxxxxxxxxxxxxxxx
Subject: Re: [802.3_NGAUTO] Comment #115 redrawing of Figure 149-7

 

Natalie,

I suggest changing Scr_n,0 and Scr_n,1 to DS_n[0] and DS_n[1] and change d_n,0 and d_n,1 to D_n[0] and D_n[1] because those terms were accepted as the text for the data scrambler section.

 

Brett

 

From: George Zimmerman <george@xxxxxxxxxxxxxxxxxxxx>
Sent: Tuesday, January 15, 2019 9:31 AM
To: STDS-802-3-NGAUTO@xxxxxxxxxxxxxxxxx
Subject: [EXT] Re: [802.3_NGAUTO] Comment #115 redrawing of Figure 149-7

 

External Email


A very minor thing on the nomenclature – the scrambler bits are Scrn with a capital S, not scrn all lower case.

 

George A. Zimmerman, Ph.D.

President & Principal Consultant

CME Consulting, Inc.

Experts in PHYsical Layer Communications

1-310-920-3860

george@xxxxxxxxxxxxxxxxxxxx

 

From: NATALIE WIENCKOWSKI <nwienckowski@xxxxxxx>
Sent: Tuesday, January 15, 2019 9:04 AM
To: STDS-802-3-NGAUTO@xxxxxxxxxxxxxxxxx
Subject: Re: [802.3_NGAUTO] Comment #115 redrawing of Figure 149-7

 

Resending

 

 

 

Natalie 

 

Sent from my Sprint Samsung Galaxy S8.

 

 

-------- Original message --------

From: NATALIE WIENCKOWSKI <NWIENCKOWSKI@xxxxxxx>

Date: 1/14/19 10:02 PM (GMT-08:00)

Subject: Comment #115 redrawing of Figure 149-7

 

Colleagues,

 

Please look at the proposed changes to Figure 149-7 based on the decision in Comment #115 to make this a block diagram and move it to Section 149.3.2.2.  

 

Please plan to request any desired changes tomorrow.

 

Thanks,

 

Natalie


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