[SLS-CC] Fw: updated DVB-S2 green book -> DEADLINE FOR COMMENTS 18 FEBRUARY 2015

Fri Feb 13 18:38:28 UTC 2015

Dear Jean-Pierre,

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
try to work on the editorial aspects as well.
My main concerns for the moment are the following:

- 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
  Now I see that VCM/ACM have been changed with "DVB-S2" VCM/ACM, but that 
doesn't seem to change things.

- 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 
  a difference source (ETSI) 

- 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

- 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?)

- 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
  for each ModCod, not necessarily assuming VCM/ACM. Again, I believe this 
would give good initial estimates to potential users.

I believe we will need to discuss further at the Spring meeting.

Have a nice weekend
Massimo

---------------------------------------------------
Massimo Bertinelli
Communication Systems Engineer
ESA/Estec

Tel. +31 (0)71 5653435
--------------------------------------------------

From:   Massimo.Bertinelli at esa.int
To:     "Space Link Coding & Synchronization Working Group" 
<sls-cc at mailman.ccsds.org>, 
Cc:     Enrico.Vassallo at esa.int
Date:   22/01/2015 14:45
Subject:        Re: [SLS-CC] Fw: updated DVB-S2 green book -> DEADLINE FOR 
COMMENTS 18     FEBRUARY 2015
Sent by:        sls-cc-bounces at mailman.ccsds.org

Dear colleagues, 

I would like to remind you the deadline for the comments to the updated 
DVB-S2 book (18 February). 
Your comments, provided in time, will give CNES a chance to reply in time 
for the Spring meeting. 
Thank you for your cooperation. 
Massimo 

---------------------------------------------------
Massimo Bertinelli
Communication Systems Engineer
ESA/Estec

Tel. +31 (0)71 5653435
-------------------------------------------------- 

From:        Massimo.Bertinelli at esa.int 
To:        "Space Link Coding & Synchronization Working Group" 
<sls-cc at mailman.ccsds.org>, 
Cc:        Enrico.Vassallo at esa.int 
Date:        18/12/2014 15:49 
Subject:        [SLS-CC] Fw: updated DVB-S2 green book -> DEADLINE FOR 
COMMENTS 18        FEBRUARY 2015 
Sent by:        sls-cc-bounces at mailman.ccsds.org 

Dear WG members, 

please find a new version of the DVB-S2 Green Book, kindly provided by 
Jean-Pierre. 
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. 
Please notice that missing figures/simulations will be provided by the 
Spring meeting. 

I take the opportunity to wish you and your loved ones a merry Christmas 
and a happy new year. 
Best regards, 
Massimo 

---------------------------------------------------
Massimo Bertinelli
Communication Systems Engineer
ESA/Estec

Tel. +31 (0)71 5653435
-------------------------------------------------- 
----- Forwarded by Massimo Bertinelli/estec/ESA on 18/12/2014 15:44 ----- 

From:        Millerioux Jean-Pierre <Jean-Pierre.Millerioux at cnes.fr> 
To:        "Massimo.Bertinelli at esa.int" <Massimo.Bertinelli at esa.int>, 
Cc:        Jean-luc Gerner <jeanluc.gerner at yahoo.com>, Issler Jean-Luc 
<Jean-Luc.Issler at cnes.fr>, Moury Gilles <Gilles.Moury at cnes.fr> 
Date:        18/12/2014 14:01 
Subject:        updated DVB-S2 green book 

Dear Massimo 

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) 

We will provide the 2 missing figures/simulations for the spring meetings 

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 

I wish you a nice christmas 

Best regards 

Jean-Pierre 

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