[Sls-rfm] Fw: CCSDS RFM WG Spring meeting - second set of comments received on 3 DDOR inputs

Enrico.Vassallo at esa.int Enrico.Vassallo at esa.int
Tue Apr 21 16:18:08 UTC 2020


Dear All,

please see the second set of comments by me on REC 2.5.7B as in 
SLS-RFM_20-04 (but also in 20-03). They only relate to a comparison with 
2.5.6B. I may have further comments on the recommendation 2.5.7B itself 
when I see the version with track changes. 

Additionally, there is an input paper sent to C&S but actually dealing 
also with RFM and focused on labeling of shift registers and 
polynomials.The convention used in 2.5.7B is in line with other books but 
the opposite of what proposed in this paper.
I will send the paper out shortly as third set of comments.

As for the previous email, please do not start replying at this stage. On 
May 6, I will discuss with Jim how to handle all received comments.

Regards, Enrico

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1. Missing recommends

REC 2.5.6B recommends (8) on power reduction, (9) on PFD and (10) on 
adjacent band apply to REC 2.5.7B and shall be included.

REC 2.5.6B recommends (7) is included partly in REC 2.5.7B recommends (10) 
with exception of the 30 dBHz limit that was removed. It shall be 
included.

2. Frequency bands

All tables plus several recommends (and maybe considering, not verified) 
in 2.5.7B indicate X- or Ka-band. They shall be replaced by the applicable 
frequency ranges as in REC 2.5.6B.


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