<font size=2 face="sans-serif">Dear All,</font>
<br><font size=2 face="sans-serif"> after
reading the proposals from Victor and Jon I got more and more puzzled.</font>
<br><font size=2 face="sans-serif">It looks to me as the "catch all
clause" is the main reason for the difficult understanding of the
real requirement so I do recommend a different approach (i.e. <i>divide
et impera</i>) as per attached file.</font>
<br><font size=2 face="sans-serif">Clearly some fine tuning on the wording
is likely to be needed (and I did include some alternative formulations).</font>
<br>
<br><font size=2 face="sans-serif">I shall also remark that my proposal
takes also into account that the original NOTE stating "Synchronization
is acquired on the receiving end by recognizing the specific bit pattern
of the ASM in the Physical Channel data stream; synchronization is then
verified by making further checks." is now wrong when CSM is used.</font>
<br>
<br><font size=2 face="sans-serif">Regards</font>
<br>
<br><font size=2 face="sans-serif">Gian Paolo</font>
<br>
<br>
<br>
<br>
<br><font size=1 color=#5f5f5f face="sans-serif">From:
</font><font size=1 face="sans-serif">"Jon Hamkins"
<jon.hamkins@jpl.nasa.gov></font>
<br><font size=1 color=#5f5f5f face="sans-serif">To:
</font><font size=1 face="sans-serif">Massimo.Bertinelli@esa.int,
"Space Link Coding & Synchronization Working Group" <sls-cc@mailman.ccsds.org>,
Gian.Paolo.Calzolari@esa.int, "Kazz, Greg J(312B)" <greg.j.kazz@jpl.nasa.gov></font>
<br><font size=1 color=#5f5f5f face="sans-serif">Cc:
</font><font size=1 face="sans-serif">Enrico.Vassallo@esa.int</font>
<br><font size=1 color=#5f5f5f face="sans-serif">Date:
</font><font size=1 face="sans-serif">27/04/2017 21:45</font>
<br><font size=1 color=#5f5f5f face="sans-serif">Subject:
</font><font size=1 face="sans-serif">Re: [SLS-CC]
Fw: 131.x0 Agency Review (LDPC slicing), RIDs discussion - results of the
2nd discussion</font>
<br>
<hr noshade>
<br>
<br>
<br><tt><font size=2>I suggest three minor changes:<br>
<br>
o change "when aligned with a Transfer Frames" to "when
aligned with <br>
Transfer Frames"<br>
<br>
o add a comma after "Turbo codewords" (to emphasize that "Turbo
<br>
codewords" and "LDPC Codewords when aligned with Transfer Frames"
are <br>
two distinct concepts)<br>
<br>
o change "Transfer frames" to "Transfer Frames" (for
consistency in <br>
capitalization in this book)<br>
<br>
----Jon<br>
<br>
On 04/26/2017 02:02 PM, Massimo.Bertinelli@esa.int wrote:<br>
> Dear colleagues,<br>
><br>
> Victor has kindly provided the following proposal for the disposition
of<br>
> ESA-RID_AM08 (as a reminder, the disposition was agreed already during<br>
> the last teleconf<br>
> discussion, but the precise text was left open and Victor volunteered
to<br>
> provide it).<br>
> I'm fine with Victor's proposal and I'm ready to implement it.<br>
> In case you have comments, please provide them by Tuesday 02 May close<br>
> of business, otherwise I'll consider this closed.<br>
><br>
> Best regards,<br>
> Massimo<br>
><br>
><br>
> ---------------------------------------------------<br>
> Massimo Bertinelli<br>
> Communication Systems Engineer<br>
> ESA/Estec<br>
><br>
> Tel. +31 (0)71 5653435<br>
> --------------------------------------------------<br>
><br>
><br>
> -----"SLS-CC" <sls-cc-bounces@mailman.ccsds.org<br>
> <</font></tt><a href="mailto:sls-cc-bounces@mailman.ccsds.org"><tt><font size=2>mailto:sls-cc-bounces@mailman.ccsds.org</font></tt></a><tt><font size=2>>>
wrote: -----<br>
> To: "Space Link Coding & Synchronization Working Group"<br>
> <sls-cc@mailman.ccsds.org <</font></tt><a href="mailto:sls-cc@mailman.ccsds.org"><tt><font size=2>mailto:sls-cc@mailman.ccsds.org</font></tt></a><tt><font size=2>>>,<br>
> Gian.Paolo.Calzolari@esa.int <</font></tt><a href=mailto:Gian.Paolo.Calzolari@esa.int><tt><font size=2>mailto:Gian.Paolo.Calzolari@esa.int</font></tt></a><tt><font size=2>>,<br>
> "Kazz, Greg J\(312B\)" <greg.j.kazz@jpl.nasa.gov<br>
> <</font></tt><a href=mailto:greg.j.kazz@jpl.nasa.gov><tt><font size=2>mailto:greg.j.kazz@jpl.nasa.gov</font></tt></a><tt><font size=2>>><br>
> From: Massimo.Bertinelli@esa.int <</font></tt><a href=mailto:Massimo.Bertinelli@esa.int><tt><font size=2>mailto:Massimo.Bertinelli@esa.int</font></tt></a><tt><font size=2>><br>
> Sent by: "SLS-CC"<br>
> Date: 04/06/2017 05:51PM<br>
> Cc: Enrico.Vassallo@esa.int <</font></tt><a href=mailto:Enrico.Vassallo@esa.int><tt><font size=2>mailto:Enrico.Vassallo@esa.int</font></tt></a><tt><font size=2>><br>
> Subject: [SLS-CC] Fw: 131.x0 Agency Review (LDPC slicing), RIDs<br>
> discussion - results of the 2nd discussion<br>
><br>
> Dear all,<br>
><br>
> to simplify the verification work, this is the list of the RIDs<br>
> processed and dispositioned yesterday:<br>
><br>
> ESA: GPC-06, GPC-07, GPC-08, GPC-09, GPC-10, AM-01, AM-02, AM-03,
AM-04,<br>
> AM-05, AM-06, AM-07, AM-08<br>
><br>
> Best regards,<br>
> Massimo<br>
> ---------------------------------------------------<br>
> Massimo Bertinelli<br>
> Communication Systems Engineer<br>
> ESA/Estec<br>
><br>
> Tel. +31 (0)71 5653435<br>
> --------------------------------------------------<br>
> ----- Forwarded by Massimo Bertinelli/estec/ESA on 04/06/2017 05:48
PM<br>
> -----<br>
><br>
> From: Massimo.Bertinelli@esa.int <</font></tt><a href=mailto:Massimo.Bertinelli@esa.int><tt><font size=2>mailto:Massimo.Bertinelli@esa.int</font></tt></a><tt><font size=2>><br>
> To: Gian.Paolo.Calzolari@esa.int<br>
> <</font></tt><a href=mailto:Gian.Paolo.Calzolari@esa.int><tt><font size=2>mailto:Gian.Paolo.Calzolari@esa.int</font></tt></a><tt><font size=2>>,
greg.j.kazz@jpl.nasa.gov<br>
> <</font></tt><a href=mailto:greg.j.kazz@jpl.nasa.gov><tt><font size=2>mailto:greg.j.kazz@jpl.nasa.gov</font></tt></a><tt><font size=2>>,
sls-cc@mailman.ccsds.org<br>
> <</font></tt><a href="mailto:sls-cc@mailman.ccsds.org"><tt><font size=2>mailto:sls-cc@mailman.ccsds.org</font></tt></a><tt><font size=2>><br>
> Cc: Enrico.Vassallo@esa.int <</font></tt><a href=mailto:Enrico.Vassallo@esa.int><tt><font size=2>mailto:Enrico.Vassallo@esa.int</font></tt></a><tt><font size=2>><br>
> Date: 04/06/2017 04:35 PM<br>
> Subject: [SLS-CC] 131.x0 Agency Review
(LDPC slicing), RIDs<br>
> discussion - results of the 2nd discussion<br>
> Sent by: "SLS-CC" <sls-cc-bounces@mailman.ccsds.org<br>
> <</font></tt><a href="mailto:sls-cc-bounces@mailman.ccsds.org"><tt><font size=2>mailto:sls-cc-bounces@mailman.ccsds.org</font></tt></a><tt><font size=2>>><br>
> ------------------------------------------------------------------------<br>
><br>
><br>
><br>
> Dear colleagues,<br>
><br>
> thank you for participating to the second round of discussions for
the<br>
> RIDs disposition of the CCSDS 131.0-B Agency Review (introduction
of<br>
> LDPC slicing).<br>
> You can find the RIDs disposition, as well as the Book updated<br>
> accordingly, in CWE, under the San Antonio folder:<br>
> _<br>
> __http://tiny.cc/9lfcky_<br>
><br>
> I would recommend that you have a look at the edited Book, to verify<br>
> that the dispositions have been implemented faithfully.<br>
> For AM-08, that was accepted but requiring a new formulation, Victor<br>
> will provide one, I'll update the Book and the RIDs file once this
is done.<br>
><br>
> As a recap, we still need to process the following RIDs:<br>
> ESA: MA-01, MA-02<br>
> EUM: XE-001, XE-002, XE-003, XE-004, XE-005, XE-006, XE-007<br>
> NASA: JN-01, JN-02, JN-03, JN-04, JN-05, JH-01, GK-01, GK-02<br>
><br>
> Important: XE-003 raises an issue of the reset of the randomizer in
the<br>
> case of LDPC applied to a stream of CADUs. I would recommend everyone<br>
> (and especially the proponents<br>
> of this coding options) to consider this problem and arrive prepared
at<br>
> our San Antonio meeting (with e.g. analysis).<br>
><br>
> Given the number of RIDs still open, I will book a full session (am
or<br>
> pm) for it at the meeting.<br>
><br>
> Best regards,<br>
> Massimo<br>
><br>
> ---------------------------------------------------<br>
> Massimo Bertinelli<br>
> Communication Systems Engineer<br>
> ESA/Estec<br>
><br>
> Tel. +31 (0)71 5653435<br>
> --------------------------------------------------<br>
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