[Sls-rfm] [Cesg-all] Results of CESG Polls closing 28 April 2017

Tue May 9 17:35:52 UTC 2017

Dear Tom and Gian Paolo,

please find attached the revised GMSK+PN RNG GB as approved by the WG 
yesterday. Changes are an additional reference 19 and the new section 
3.4.5 as announced previously.

I need to draw your attention to the fact that the equation before section 
3.4.5.3 and the accompanying text in yellow hloght highas to be taken from 
the PDF file and not from the Word file. Apparently, I cannot save the 
word file once I have edited the equation....
Sorry for the double inconvenience,

Enrico

From:   CCSDS Secretariat <thomas.gannett at tgannett.net>
To:     cesg-all at mailman.ccsds.org
Date:   02/05/2017 00:24
Subject:        [Cesg-all] Results of CESG Polls closing 28 April 2017
Sent by:        "CESG-All" <cesg-all-bounces at mailman.ccsds.org>

CESG E-Poll Identifier: CESG-P-2017-04-001 Approval to publish CCSDS 
140.1-G-1, Real-Time Weather and Atmospheric Characterization Data 
(Green Book, Issue 1)
Results of CESG poll beginning 14 April 2017 and ending 28 April 2017:

                  Abstain:  1 (14.29%) (Behal)
  Approve Unconditionally:  6 (85.71%) (Barkley, Merri, Shames, Cola, 
Moury, Wilmot)
  Approve with Conditions:  0 (0%)
  Disapprove with Comment:  0 (0%)

CONDITIONS/COMMENTS:

Erik Barkley (Approve Unconditionally): Suggest that the secretariat 
check and correct the publication date of reference [10] -- 2103 vs, 
probably, 2013.

Total Respondents: 7
All Areas responded to this question.

SECRETARIAT INTERPRETATION OF RESULTS:  Approved Unconditionally
PROPOSED SECRETARIAT ACTION:            Generate CMC poll

* * * * * * * * * * * * * * * * * * * * * * * *

CESG E-Poll Identifier: CESG-P-2017-04-002 Approval to publish CCSDS 
880.0-G-3, Wireless Network Communications Overview for Space Mission 
Operations (Green Book, Issue 3)
Results of CESG poll beginning 14 April 2017 and ending 28 April 2017:

                  Abstain:  0 (0%)
  Approve Unconditionally:  5 (71.43%) (Barkley, Merri, Behal, Shames, 
Wilmot)
  Approve with Conditions:  2 (28.57%) (Cola, Moury)
  Disapprove with Comment:  0 (0%)

CONDITIONS/COMMENTS:

Tomaso de Cola (Approve with Conditions): An editorial note, in Table 
G-1 packet losses appear as '10-2', '10-3', '10-6', etc., instead of 
'10-2', 10-3, 10-6, or alternatively as 1e-2, 1e-3, 1e-6.

Gilles Moury (Approve with Conditions): update reference [2] to SFCG 
On-Line Handbook, 14 June 2016 revision. as per 
https://www.sfcgonline.org/resources/default.aspx

Total Respondents: 7
All Areas responded to this question.

SECRETARIAT INTERPRETATION OF RESULTS:  Approved with Conditions
PROPOSED SECRETARIAT ACTION:            Generate CMC poll after 
conditions have been addressed

* * * * * * * * * * * * * * * * * * * * * * * *

CESG E-Poll Identifier: CESG-P-2017-04-003 Approval to publish CCSDS 
413.1-G-1, Simultaneous Transmission of GMSK Telemetry and PN Ranging 
(Green Book, Issue 1)
Results of CESG poll beginning 14 April 2017 and ending 28 April 2017:

                  Abstain:  3 (37.5%) (Merri, Behal, Wilmot)
  Approve Unconditionally:  4 (50%) (Barkley, Shames, Cola, Moury)
  Approve with Conditions:  1 (12.5%) (Calzolari)
  Disapprove with Comment:  0 (0%)

CONDITIONS/COMMENTS:

Gian Paolo Calzolari (Approve with Conditions): After WG discussion 
and confirmation, add one additional stand-alone section to the GB as 
for instance a new section 3.4.5, plus one more reference paper (the 
title of the relevant San Antonio input):

3.4 Telemetry and ranging performance 3-12

3.4.1 Telemetry performance 3-12
3.4.2 Ranging performance 3-19
3.4.3 Summary for the reference case 3-28
3.4.4 Link budget examples 3-29

 >>>>
3.4.5 Improved performances

The performances of sections 3.4.1-3.4.4 are based on a rather simple 
and therefore suboptimal demodulator as illustrated in figure 3-3. 
Such scheme just demodulates the telemetry symbol stream, remodulates 
and removes it from the composite receive signal prior to ranging 
demodulation.
Significant improvements can be obtained by performing also symbol 
decoding down to bit level followed by encoding and remodulation. The 
major drawback of this scheme is complexity and some delay in 
obtaining the ranging signal. The latter may not be important since 
normally telemetry transmission starts at the beginning of the pass 
while ranging is initiated at a later stage.
An alternative from a complexity and performance point of view is to 
also remove the ranging signal prior to telemetry demodulation as in 
figure X-X (NEW FIGURE).

........ Text copied from input paper includes some equations, the 
new figure X-X mentioned above and a number of tables.
 >>>>

Total Respondents: 8
All Areas responded to this question.

SECRETARIAT INTERPRETATION OF RESULTS:  Approved with Conditions
PROPOSED SECRETARIAT ACTION:            Generate CMC poll after 
conditions have been addressed

* * * * * * * * * * * * * * * * * * * * * * * *

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