<font size=2 face="sans-serif">Dear Jean-Pierre,</font>
<br>
<br><font size=2 face="sans-serif">a few high level comments from me. I
have some more detailed comments on paper, and among those a lot of editorial
ones, but I don't have the time to put them down for the time being. I
would suggest that a further review on your side</font>
<br><font size=2 face="sans-serif">try to work on the editorial aspects
as well.</font>
<br><font size=2 face="sans-serif">My main concerns for the moment are
the following:</font>
<br>
<br><font size=2 face="sans-serif">- the document seems to be heavily built
around the use of VCM/ACM. While I agree that this will be eventually needed,
I was under the impression, after the London meeting, that it was agreed
to leave this out until the VCM Magenta Book is ready</font>
<br><font size=2 face="sans-serif"> Now I see that VCM/ACM have been
changed with "DVB-S2" VCM/ACM, but that doesn't seem to change
things.</font>
<br>
<br><font size=2 face="sans-serif">- One of the most important things I
go to Green Books for are the performance of the standard they support.
I see an effort in this sense, under ideal conditions (AWGN), which I appreciate,
but unfortunately the reader in this case may need to go to </font>
<br><font size=2 face="sans-serif"> a difference source (ETSI) </font>
<br>
<br><font size=2 face="sans-serif">- On the use (or not) of pilots, I understand
you plan to add some additional figures, it would be really useful to indicate
which (reference) receiver has been considered for the simulations</font>
<br>
<br><font size=2 face="sans-serif">- Similarly, for the results provided
on the non-linear channel, it would be useful to know the reference receiver
used, as well as the assumptions taken for the transmitter (pre-distortion?)</font>
<br>
<br><font size=2 face="sans-serif">- Still on the non-linear channel results:
what you provided is relative to a particular mode of operating a link
with VCM (or ACM). While this can be an useful indication, I would find
more useful, at this stage, to have indication on the operating points</font>
<br><font size=2 face="sans-serif"> for each ModCod, not necessarily
assuming VCM/ACM. Again, I believe this would give good initial estimates
to potential users.</font>
<br>
<br><font size=2 face="sans-serif">I believe we will need to discuss further
at the Spring meeting.</font>
<br>
<br><font size=2 face="sans-serif">Have a nice weekend</font>
<br><font size=2 face="sans-serif">Massimo</font>
<br><font size=2 face="sans-serif"><br>
---------------------------------------------------<br>
Massimo Bertinelli<br>
Communication Systems Engineer<br>
ESA/Estec<br>
<br>
Tel. +31 (0)71 5653435<br>
--------------------------------------------------</font>
<br>
<br>
<br>
<br><font size=1 color=#5f5f5f face="sans-serif">From:
</font><font size=1 face="sans-serif">Massimo.Bertinelli@esa.int</font>
<br><font size=1 color=#5f5f5f face="sans-serif">To:
</font><font size=1 face="sans-serif">"Space Link Coding
& Synchronization Working Group" <sls-cc@mailman.ccsds.org>,
</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">22/01/2015 14:45</font>
<br><font size=1 color=#5f5f5f face="sans-serif">Subject:
</font><font size=1 face="sans-serif">Re: [SLS-CC]
Fw: updated DVB-S2 green book -> DEADLINE FOR COMMENTS 18
FEBRUARY 2015</font>
<br><font size=1 color=#5f5f5f face="sans-serif">Sent by:
</font><font size=1 face="sans-serif">sls-cc-bounces@mailman.ccsds.org</font>
<br>
<hr noshade>
<br>
<br>
<br><font size=2 face="sans-serif">Dear colleagues,</font><font size=3>
<br>
</font><font size=2 face="sans-serif"><br>
I would like to remind you the deadline for the comments to the updated
DVB-S2 book (18 February). <br>
Your comments, provided in time, will give CNES a chance to reply in time
for the Spring meeting.</font><font size=3> </font><font size=2 face="sans-serif"><br>
Thank you for your cooperation.</font><font size=3> </font><font size=2 face="sans-serif"><br>
Massimo</font><font size=3> </font><font size=2 face="sans-serif"><br>
<br>
---------------------------------------------------<br>
Massimo Bertinelli<br>
Communication Systems Engineer<br>
ESA/Estec<br>
<br>
Tel. +31 (0)71 5653435<br>
--------------------------------------------------</font><font size=3>
<br>
<br>
<br>
</font><font size=1 color=#5f5f5f face="sans-serif"><br>
From: </font><font size=1 face="sans-serif">Massimo.Bertinelli@esa.int</font><font size=3>
</font><font size=1 color=#5f5f5f face="sans-serif"><br>
To: </font><font size=1 face="sans-serif">"Space
Link Coding & Synchronization Working Group" <sls-cc@mailman.ccsds.org>,
</font><font size=1 color=#5f5f5f face="sans-serif"><br>
Cc: </font><font size=1 face="sans-serif">Enrico.Vassallo@esa.int</font><font size=3>
</font><font size=1 color=#5f5f5f face="sans-serif"><br>
Date: </font><font size=1 face="sans-serif">18/12/2014
15:49</font><font size=3> </font><font size=1 color=#5f5f5f face="sans-serif"><br>
Subject: </font><font size=1 face="sans-serif">[SLS-CC]
Fw: updated DVB-S2 green book -> DEADLINE FOR COMMENTS 18
FEBRUARY 2015</font><font size=3> </font><font size=1 color=#5f5f5f face="sans-serif"><br>
Sent by: </font><font size=1 face="sans-serif">sls-cc-bounces@mailman.ccsds.org</font><font size=3>
<br>
</font>
<hr noshade><font size=3><br>
<br>
</font><font size=2 face="sans-serif"><br>
Dear WG members,</font><font size=3> </font><font size=2 face="sans-serif"><br>
<br>
please find a new version of the DVB-S2 Green Book, kindly provided by
Jean-Pierre.</font><font size=3> </font><font size=2 face="sans-serif"><br>
As agreed at the London meeting (AI_14_15), comments are due by 18 February
2015, in time to allow an update for the Spring meeting.</font><font size=3>
</font><font size=2 face="sans-serif"><br>
Please notice that missing figures/simulations will be provided by the
Spring meeting.</font><font size=3> </font><font size=2 face="sans-serif"><br>
<br>
I take the opportunity to wish you and your loved ones a merry Christmas
and a happy new year.</font><font size=3> </font><font size=2 face="sans-serif"><br>
Best regards,</font><font size=3> </font><font size=2 face="sans-serif"><br>
Massimo</font><font size=3> </font><font size=2 face="sans-serif"><br>
<br>
---------------------------------------------------<br>
Massimo Bertinelli<br>
Communication Systems Engineer<br>
ESA/Estec<br>
<br>
Tel. +31 (0)71 5653435<br>
--------------------------------------------------</font><font size=3>
</font><font size=1 color=#800080 face="sans-serif"><br>
----- Forwarded by Massimo Bertinelli/estec/ESA on 18/12/2014 15:44 -----</font><font size=3>
</font><font size=1 color=#5f5f5f face="sans-serif"><br>
<br>
From: </font><font size=1 face="sans-serif">Millerioux
Jean-Pierre <Jean-Pierre.Millerioux@cnes.fr></font><font size=3>
</font><font size=1 color=#5f5f5f face="sans-serif"><br>
To: </font><font size=1 face="sans-serif">"Massimo.Bertinelli@esa.int"
<Massimo.Bertinelli@esa.int>, </font><font size=1 color=#5f5f5f face="sans-serif"><br>
Cc: </font><font size=1 face="sans-serif">Jean-luc
Gerner <jeanluc.gerner@yahoo.com>, Issler Jean-Luc <Jean-Luc.Issler@cnes.fr>,
Moury Gilles <Gilles.Moury@cnes.fr></font><font size=3> </font><font size=1 color=#5f5f5f face="sans-serif"><br>
Date: </font><font size=1 face="sans-serif">18/12/2014
14:01</font><font size=3> </font><font size=1 color=#5f5f5f face="sans-serif"><br>
Subject: </font><font size=1 face="sans-serif">updated
DVB-S2 green book</font><font size=3> <br>
</font>
<hr noshade><font size=3><br>
</font><font size=2 face="Calibri"><br>
<br>
Dear Massimo</font><font size=3> <br>
</font><font size=2 face="Calibri"><br>
Following CNES action AI_14_14 at CCSDS fall meetings, here is an update
of the DVB-S2 green-book including modifications according to the WG comments
(modifications visible in the second pdf document) </font><font size=3><br>
</font><font size=2 face="Calibri"><br>
We will provide the 2 missing figures/simulations for the spring meetings</font><font size=3>
<br>
</font><font size=2 face="Calibri"><br>
If you can transmit these documents to the WG, it seems possible to have
the WG comments at mid-February, and then it could be possible to propose
another updated document for CCSDS spring meetings</font><font size=3>
<br>
</font><font size=2 face="Calibri"><br>
I wish you a nice christmas</font><font size=3> <br>
</font><font size=2 face="Calibri"><br>
Best regards</font><font size=3> <br>
</font><font size=2 face="Calibri"><br>
Jean-Pierre</font><font size=3> <br>
<br>
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