[Sls-rfm] CCSDS Review of CCSDS 401.0-P-25.1, Radio Frequency and Modulation Systems­Part 1: Earth Stations and Spacecraft

[Enrico.Vassallo at esa.int]

Dear All,

this is to inform you of the outcome of the above review.

CNES, DLR, INPE and JAXA concurred with the pink sheets.

ESA and EUM generated 3 RIDs each. They are attached for your review.

My proposal is:

1) ESA-MB-01 

We were initially thinking of adding Pi/2-BPSK symbols definition as an 
additional recommendation in 401. However, it makes more sense to have it 
inside recommendation 2.4.23 that becomes self standing.

Disposition: ACCEPTED

2) ESA-ML-01 

Makes the recommendation ECSS compatible (specifications cannot be in 
footnotes).

Disposition: ACCEPTED

3) ESA-SM-01

The phase noise between 10 and 100 Hz is not important for this kind of 
missions with at least 10 Ms/s (even for 1 Ms/s that is behind recommends 
(2)).

Disposition: ACCEPTED

4) EUM-XE-001

Editorial clarification.

Disposition: ACCEPTED

5) EUM-XE-002

Editorial.

Disposition: ACCEPTED

6) EUM-XE-003

Almost editorial. In the ESA implementation, pilots are used also for 
lower order modulations but the suggestion of this RID is reasonable.

Disposition: ACCEPTED



If I do not hear from you by June 10, I will assume that the WG concurs 
with my proposed disposition and will send disposed RIDs and final version 
of the recommendation to the CCSDS management for approval. 

Regards, Enrico




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