[SLS-CC] Update to CCSDS 131.0-B-3 to add ground-to-space and USLP

[Gian.Paolo.Calzolari at esa.int]

Thank you, Ken.

Just for precision there is no CESG resolution to be expected.

There will a SLS Resolution (as soon as Gilles and I complete our usual 
checks) and then the document will undergo CESG Poll and CMC Poll.

About comments I wonder whether it may be more practical inserting the new 
chapter that specifies use of these codes for forward links (ground to 
space or space to space) as chapter 13 instead of chapter 9.
This approach - unless somebody is superstitious and scared by number 13 
for this addition :o) - would allow huge renumbering of the last four 
chapters currently in https://public.ccsds.org/Pubs/131x0b3e1.pdf 
Would it work?

I should provide a few more comments in separate mail.

Regards

Gian Paolo




From:   "Andrews, Kenneth S (US 332B)" <kenneth.s.andrews at jpl.nasa.gov>
To:     "Space Link Coding & Synchronization Working Group" 
<sls-cc at mailman.ccsds.org>
Cc:     "Thomas Gannett" <thomas.gannett at tgannett.net>, 
"Gian.Paolo.Calzolari at esa.int" <Gian.Paolo.Calzolari at esa.int>, "Moury 
Gilles" <Gilles.Moury at cnes.fr>
Date:   28-05-21 22:06
Subject:        Update to CCSDS 131.0-B-3 to add ground-to-space and USLP



Dear colleagues,

At today's teleconference, I believe our working group agreed to release 
an updated version of CCSDS 131.0-B-3, “TM Synchronization and Channel 
Coding”, for agency review, per the attached document.  This incorporates 
the minor editorial changes we discussed today, and otherwise is identical 
to what you’ve seen before.  In short, this standardizes the use of USLP 
(in addition to the existing TM and AOS space link protocols), and permits 
the use of turbo and LDPC codes on ground-to-space and space-to-space 
links.

For Tom, I believe you can expect SLS and CESG resolutions to follow 
shortly to support these changes.  Like usual, the attached document 
contains only the pages with changes, for conciseness.  The changes are 
minor, except for the addition of slightly more than a page of text to 
become a new Section 9.  Black text is unchanged from the current 
publication, and blue text shows changes and additions; there are no 
deletions.  Only one figure was slightly modified, and my version is 
attached in PowerPoint format, though you likely have a version of your 
own.

Thanks to all for your support in this project,

-Ken

[attachment "Telecom Blue WG_Approved.doc" deleted by Gian Paolo 
Calzolari/esoc/ESA] [attachment "Figure 2-1 WG_Approved.pptx" deleted by 
Gian Paolo Calzolari/esoc/ESA] 



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