[Sls-rfm] [SLS-CC] 130.11-G (SCCC Green Book), for WG review - deadline for comments: 16 June 2018

Tue Jun 19 07:16:06 UTC 2018

Thank you for your feedback Massimo.

Don't forget to compute the values in bps/Hz taking into account the roll-off then.

Page 1-1: " ... with modulations ranging from QPSK to 8PSK and 16-, 32- and 64-APSK, and spectral efficiencies up to 5.4 bps/Hz."
Page 2-3:  " It also allows to select several coding rates for each constellation, hence the efficiency can change from a minimum of 0.71 bit/symbol, to a maximum of 5.39 bit/symbol."

Best regards

Clément

De : Massimo.Bertinelli at esa.int [mailto:Massimo.Bertinelli at esa.int]
Envoyé : lundi 18 juin 2018 18:12
À : Dudal Clement <Clement.Dudal at cnes.fr>
Cc : Enrico.Vassallo at esa.int; Jon Hamkins <Jon.Hamkins at jpl.caltech.edu>; Ken Andrews <Kenneth.S.Andrews at jpl.nasa.gov>; Space Link Coding & Synchronization Working Group <sls-cc at mailman.ccsds.org>; sls-rfm at mailman.ccsds.org
Objet : RE: [Sls-rfm] [SLS-CC] 130.11-G (SCCC Green Book), for WG review - deadline for comments: 16 June 2018

Thank you for your comments, Clément, my answer inline in Green

Best regards,
Massimo

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

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

From:        Dudal Clement <Clement.Dudal at cnes.fr<mailto:Clement.Dudal at cnes.fr>>
To:        "Massimo.Bertinelli at esa.int<mailto:Massimo.Bertinelli at esa.int>" <Massimo.Bertinelli at esa.int<mailto:Massimo.Bertinelli at esa.int>>
Cc:        "sls-rfm at mailman.ccsds.org<mailto:sls-rfm at mailman.ccsds.org>" <sls-rfm at mailman.ccsds.org<mailto:sls-rfm at mailman.ccsds.org>>, Ken Andrews <Kenneth.S.Andrews at jpl.nasa.gov<mailto:Kenneth.S.Andrews at jpl.nasa.gov>>, "Space Link Coding & Synchronization Working Group" <sls-cc at mailman.ccsds.org<mailto:sls-cc at mailman.ccsds.org>>, Jon Hamkins <Jon.Hamkins at jpl.caltech.edu<mailto:Jon.Hamkins at jpl.caltech.edu>>, "Enrico.Vassallo at esa.int<mailto:Enrico.Vassallo at esa.int>" <Enrico.Vassallo at esa.int<mailto:Enrico.Vassallo at esa.int>>
Date:        15-06-18 06:13 PM
Subject:        RE: [Sls-rfm] [SLS-CC] 130.11-G (SCCC Green Book), for WG review - deadline for comments: 16 June 2018
________________________________

Dear Massimo,

Just a couple of comments on the GB

*         p.vii, the spectral efficiency is expressend in bps/Hz.
p.2-3 and 2-4 the spectral efficiency is expressed in bit/symbol.
What is the roll-off factor used to compute the spectral efficiency in bps/Hz? A coherency for the spectral efficiency unit would be better.

[MB] We'll try to align the use as much as possible, even if, in different sections, we refer to different definitions: in 2-3 and 2-4, we talk explicitly of bits/symbol, while

          bps/Hz is appropriate when discussing the BW (for which, 0.2 and 0.35 roll-off were assumed)

*         Chapter 4.3.3 deals with the occupied bandwidth.
A BW is defined for the optimal IBO after filtering with and without predistorison. The computation of the corresponding spectral efficiencies with respect to the ones given in Table 2-1 would be useful for performance estimation (for instance in Tables 6-1 and 6-2).

[MB] We'll see what we can do without distorting too much (putting too much information into) the table

Best regards

[cid:image001.png at 01D3C144.68C8BFC0]

Clément DUDAL

Radiofrequency and Communication System Engineer

DSO/RF/ITP

18 avenue Edouard Belin 31401 Toulouse Cedex 9

[cid:image002.png at 01D3C144.68C8BFC0] +33 (0)5 61 28 30 70

[cid:image003.png at 01D3C144.68C8BFC0] clement.dudal at cnes.fr<mailto:clement.dudal at cnes.fr>

[cid:image004.png at 01D3C144.68C8BFC0] cnes.fr<https://urldefense.proofpoint.com/v2/url?u=http-3A__cnes.fr_&d=DwMFAw&c=Ff2GokX4A_6S-cy_JRNEiQ&r=nsI9dACK1FmwdtL-UmMWiHLWwD3k0OykltBFCmrMSrI&m=mYu5EuqcpggNniqFAjRAoVH3FnOXAB2fm9Ph05pN3ss&s=GpP1ZMANqlrzHaGImFL9ppf8VQKKh4PYaGndy3D7-sI&e=>

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De : SLS-RFM [mailto:sls-rfm-bounces at mailman.ccsds.org] De la part de Massimo.Bertinelli at esa.int<mailto:Massimo.Bertinelli at esa.int>
Envoyé : mercredi 6 juin 2018 15:56
À : Enrico.Vassallo at esa.int<mailto:Enrico.Vassallo at esa.int>
Cc : sls-rfm at mailman.ccsds.org<mailto:sls-rfm at mailman.ccsds.org>; Ken Andrews <Kenneth.S.Andrews at jpl.nasa.gov<mailto:Kenneth.S.Andrews at jpl.nasa.gov>>; Space Link Coding & Synchronization Working Group <sls-cc at mailman.ccsds.org<mailto:sls-cc at mailman.ccsds.org>>; Jon Hamkins <Jon.Hamkins at jpl.caltech.edu<mailto:Jon.Hamkins at jpl.caltech.edu>>
Objet : Re: [Sls-rfm] [SLS-CC] 130.11-G (SCCC Green Book), for WG review - deadline for comments: 16 June 2018

Thank you Enrico,

we'll deal with the comments shortly (we are waiting for the deadline to avoid duplications).
I confirm we'll remove all the normative material already in the Blue Book  (your point 4), but possible also the 3))

1) ok
2) ok
3) see above, I'd rather remove normative material
4) ok
5) ok
6) ok for the proposed change. We'll add more detail about the filter (bandpass, stopband...), which is the one that was agreed in the past for simulations
7) it should be feasible
8) they seem ok in the pdf and word file. We used equation editor. We'll hand over the original figures to Tom
9) with RF filtering. We'll add the information

Best regards,
Massimo

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

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

From:        Enrico Vassallo/esoc/ESA
To:        Massimo.Bertinelli at esa.int<mailto:Massimo.Bertinelli at esa.int>
Cc:        Ken Andrews <Kenneth.S.Andrews at jpl.nasa.gov<mailto:Kenneth.S.Andrews at jpl.nasa.gov>>, Space Link Coding & Synchronization Working Group <sls-cc at mailman.ccsds.org<mailto:sls-cc at mailman.ccsds.org>>, Jon Hamkins <Jon.Hamkins at jpl.caltech.edu<mailto:Jon.Hamkins at jpl.caltech.edu>>, sls-rfm at mailman.ccsds.org<mailto:sls-rfm at mailman.ccsds.org>
Date:        06-06-18 03:37 PM
Subject:        Re: [SLS-CC] 130.11-G (SCCC Green Book), for WG review - deadline for comments: 16 June 2018

________________________________

Dear Massimo,

please find below some comments of mine.

Regards, Enrico

---------------------------------------------------------------------------

1) Title of sections 3 and 4

I would add "(ideal synchronization)" at the end to distinguish from section 6.

2) Section 1,1, Jon's comment on Earth Observation missions

I think you should use the ITU terminology: Earth Exploration-Satellite Service missions.

3) Figure 2-6

You should use the figures from ref [11] instead that look better and avoid the issues raised by Wai already with the previous version of this document.

4) Table 2-2

I think that this normative text is included in [11]. Please confirm.

5) Figures 3-1 and 3-2

Add "uncoded" to the captions.

6) Section 4.1

The last para starting with "For all simulations .." should appear before the previous sentence making reference to figure 4-3 since these data are necessary to interpret the figure. Is there anything else we can say here about the elliptic filter? I mean, is 5th order enough to get the plot of figure 4-3?

7) Figures 4-19 and 4-20

Reduce the Y-axis scale to 1.5 from 2.6 so that differences can be appreciated.

8) Equations and figures in 5.2, 5.5 and 5.6

Some of them appear of low quality on my printouts. Could be my printer. Be prepared to get nice originals requests by Tom.

9) Tables 6-1 and 6-2

Is the bandwidth with or w/o RF filter? Please add this info.

From:        Jon Hamkins <Jon.Hamkins at jpl.caltech.edu<mailto:Jon.Hamkins at jpl.caltech.edu>>
To:        Massimo.Bertinelli at esa.int<mailto:Massimo.Bertinelli at esa.int>, Space Link Coding & Synchronization Working Group <sls-cc at mailman.ccsds.org<mailto:sls-cc at mailman.ccsds.org>>
Cc:        Enrico.Vassallo at esa.int<mailto:Enrico.Vassallo at esa.int>, Ken Andrews <Kenneth.S.Andrews at jpl.nasa.gov<mailto:Kenneth.S.Andrews at jpl.nasa.gov>>
Date:        05/05/2018 02:05
Subject:        Re: [SLS-CC] 130.11-G (SCCC Green Book), for WG review - deadline for comments: 16 June 2018

________________________________

[attachment "130.11-G-Hamkins-comments.pdf" deleted by Enrico Vassallo/esoc/ESA]

Massimo,

Attached are my comments on the SCCC Green Book.  Not having the Word
version, I found it easiest to mark it by hand.  Most of the comments
relate to English usage, which I hope you will consider, but there are
many technical comments as well.

    ----Jon

On 4/16/2018 7:30 AM, Massimo.Bertinelli at esa.int<mailto:Massimo.Bertinelli at esa.int> wrote:
> Dear all,
>
> as per AI_18_02 from our Gaithersburg meeting, I update the SCCC Green
> Book including (section 7) the measured phase noise, at 26.25 GHz, with
> the modulator (EM) used
> in the testing.
> With this, the book is ready for WG review and your comments are due in
> 2 months, that is by 16 June.
>
> Thank you for your cooperation.
> Best regards,
> Massimo
>
>
>
> ---------------------------------------------------
> Massimo Bertinelli
> Communication Systems Engineer
> ESA/Estec
>
> Tel. +31 (0)71 5653435
> --------------------------------------------------
>
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