Re: [STDS-802-3-EPOC] Proposed changes in outline in Clause 101
Marek,
This seems like a reasonable approach if TOC level visibility is important to you. Personally I think it would be better to place the detailed information on FEC after the more general Tx / Rx sections so that the reader is introduced to the PCS from a high level to a more detailed level rather than jump of the overview to FEC details then back to general Tx /Rx flow.
Two additional thoughts on this.
First, I suggest a title change to the Cl 101.3.2 from "Low-Density Parity-Check (LDPC) Forward Error Correction (FEC) codes" to "Error correction and detection". This is would be more accurate if you include the CRC material in this new section.
Second, could you please generate a before & after TOC of 101 so we can get the broad picture.
Best Regards,
Duane
FutureWei Technologies Inc.
duane.remein@xxxxxxxxxx
Director, Access R&D
919 418 4741
Raleigh, NC
From: Marek Hajduczenia [mailto:marek.hajduczenia@xxxxxxxxx]
Sent: Friday, September 20, 2013 9:43 AM
To: STDS-802-3-EPOC@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-3-EPOC] Proposed changes in outline in Clause 101
Dear colleagues,
I will be submitting a comment on D0.2 to implement a few changes in the outline of Clause 101. Specifically, I suggest that we pull out LDPC-related definitions from deep within the transmit path definition (current subclause 101.3.2.3) into a level 3 heading.
The current outline is as follows:
101.3.1 Overview
101.3.2 PCS transmit function
101.3.3 PCS receive function
I suggest to implement changes to make the outline look as follows:
101.3.1 Overview
101.3.2 Low-Density Parity-Check (LDPC) Forward Error Correction (FEC) codes
101.3.3 PCS transmit function
101.3.4 PCS receive function
The new subclause 101.3.2 will contain collected material covering LDPC definition, matrices, as well as any additional references to annexes. In this way, a reader will have better visibility into LDPC code definitions that are not hidden too deep within the spec.
Note that I am also considering pulling CRC40 from current location in 101.3.2.3.6 to the same level 3 location, immediately after the LDPC code definitions.
Attached please find a contribution with tracked changes demonstrating modifications to draft D0.2 as outlined above. I would welcome any comments on this topic. The proposed changes are editorial (moving text around) rather than technical.
Regards
Marek Hajduczenia, PhD
Network Architect, Principal Engineer
Bright House Networks
Office +1-813-295-5644
Cell +1-813-465-0669
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