[SLS-CC] Orange Book DVB-S2x, updated concept paper

Mon Dec 18 14:47:35 UTC 2017

Dear Massimo,

The proposal from Enrico as an ESA position seems indeed reasonable. CNES agrees on removing the sentence.
Work on that topic will be presented during the next CCSDS session.

Best regards

[cid:image007.png at 01D37817.8554E270]

Clément DUDAL

Communication System Engineer

DSO/RF/ITP
18 avenue Edouard Belin 31401 Toulouse Cedex 9

[cid:image008.png at 01D37817.8554E270] +33 (0)5 61 28 30 70

[cid:image009.png at 01D37817.8554E270] clement.dudal at cnes.fr

[cid:image010.png at 01D37817.8554E270] cnes.fr<http://cnes.fr/>

[cid:image011.png at 01D37817.8554E270]<https://www.facebook.com/CNESFrance/>  [cid:image012.png at 01D37817.8554E270] <https://www.instagram.com/cnes_france/>   [cid:image013.png at 01D37817.8554E270] <https://twitter.com/cnes>

De : Massimo.Bertinelli at esa.int [mailto:Massimo.Bertinelli at esa.int]
Envoyé : vendredi 15 décembre 2017 19:04
À : Dudal Clement
Cc : Enrico.Vassallo at esa.int; Gian.Paolo.Calzolari at esa.int; sls-cc at mailman.ccsds.org
Objet : Re: [SLS-CC] Orange Book DVB-S2x, updated concept paper

Dear Clement and all,

the following comment has been sent by Enrico to the RFM WG, expressing ESA position. I believe the proposal is very reasonable.

As expressed during the presentation of the concept paper in the Hague,  ESA is concerned that CCSDS approval of such OB for use in the EESS X-band may cause RFI beyond what computed in SFCG and which resulted in an SFCG and an ITU-R recommendation on power flux density limits.
The most logical solution would be to add the SFCG review cycle in the OB loop. ESA understands that this may cause the schedule to expand beyond the proponents' wishes.
As compromise, ESA proposes to remove the indication of the bands by simply deleting the sentence

 "DVB-S2X can be used for both X and Ka-bands."

ESA understands that removing this sentence from the concept paper does not prevent the bands from appearing somewhere else but is ready to run the risk and approach the issue again as needed.

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

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

-----"SLS-CC" <sls-cc-bounces at mailman.ccsds.org<mailto:sls-cc-bounces at mailman.ccsds.org>> wrote: -----
To: sls-cc at mailman.ccsds.org<mailto:sls-cc at mailman.ccsds.org>
From: Massimo.Bertinelli at esa.int<mailto:Massimo.Bertinelli at esa.int>
Sent by: "SLS-CC"
Date: 12/14/2017 03:53PM
Cc: Enrico.Vassallo at esa.int<mailto:Enrico.Vassallo at esa.int>
Subject: [SLS-CC] Orange Book DVB-S2x, updated concept paper
Dear WG members,

as agreed during the &CS/RFM meeting in Den Haag, CNES and Jaxa will prepare an Orange Book for DVB-S2x.
CNES provided an updated concept paper for the work to be done, attached.
Could I please have your comments, if any, by the end of next week (Fri 22 December)?
I realise the time is short (with the Xmas period coming), but the work has been already agreed upon during the Den Haag meeting,
so I'm just asking your comments to the concept paper.

I trust that Enrico will do the same for the RFM WG.

Best regards,
Massimo

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

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