<font size=2 face="sans-serif">Dear Tom and Gian Paolo,</font>
<br>
<br><font size=2 face="sans-serif">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.</font>
<br>
<br><font size=2 face="sans-serif">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....</font>
<br><font size=2 face="sans-serif">Sorry for the double inconvenience,</font>
<br>
<br><font size=2 face="sans-serif">Enrico</font>
<br>
<br>
<br>
<br>
<br>
<br><font size=1 color=#5f5f5f face="sans-serif">From:
</font><font size=1 face="sans-serif">CCSDS Secretariat <thomas.gannett@tgannett.net></font>
<br><font size=1 color=#5f5f5f face="sans-serif">To:
</font><font size=1 face="sans-serif">cesg-all@mailman.ccsds.org</font>
<br><font size=1 color=#5f5f5f face="sans-serif">Date:
</font><font size=1 face="sans-serif">02/05/2017 00:24</font>
<br><font size=1 color=#5f5f5f face="sans-serif">Subject:
</font><font size=1 face="sans-serif">[Cesg-all] Results
of CESG Polls closing 28 April 2017</font>
<br><font size=1 color=#5f5f5f face="sans-serif">Sent by:
</font><font size=1 face="sans-serif">"CESG-All"
<cesg-all-bounces@mailman.ccsds.org></font>
<br>
<hr noshade>
<br>
<br>
<br><tt><font size=2>CESG E-Poll Identifier: CESG-P-2017-04-001 Approval
to publish CCSDS <br>
140.1-G-1, Real-Time Weather and Atmospheric Characterization Data <br>
(Green Book, Issue 1)<br>
Results of CESG poll beginning 14 April 2017 and ending 28 April 2017:<br>
<br>
Abstain:
1 (14.29%) (Behal)<br>
Approve Unconditionally: 6 (85.71%) (Barkley, Merri, Shames,
Cola, <br>
Moury, Wilmot)<br>
Approve with Conditions: 0 (0%)<br>
Disapprove with Comment: 0 (0%)<br>
<br>
CONDITIONS/COMMENTS:<br>
<br>
Erik Barkley (Approve Unconditionally): Suggest that the secretariat <br>
check and correct the publication date of reference [10] -- 2103 vs, <br>
probably, 2013.<br>
<br>
<br>
Total Respondents: 7<br>
All Areas responded to this question.<br>
<br>
SECRETARIAT INTERPRETATION OF RESULTS: Approved Unconditionally<br>
PROPOSED SECRETARIAT ACTION: Generate
CMC poll<br>
<br>
* * * * * * * * * * * * * * * * * * * * * * * *<br>
<br>
CESG E-Poll Identifier: CESG-P-2017-04-002 Approval to publish CCSDS <br>
880.0-G-3, Wireless Network Communications Overview for Space Mission <br>
Operations (Green Book, Issue 3)<br>
Results of CESG poll beginning 14 April 2017 and ending 28 April 2017:<br>
<br>
Abstain:
0 (0%)<br>
Approve Unconditionally: 5 (71.43%) (Barkley, Merri, Behal,
Shames, Wilmot)<br>
Approve with Conditions: 2 (28.57%) (Cola, Moury)<br>
Disapprove with Comment: 0 (0%)<br>
<br>
CONDITIONS/COMMENTS:<br>
<br>
Tomaso de Cola (Approve with Conditions): An editorial note, in Table <br>
G-1 packet losses appear as '10-2', '10-3', '10-6', etc., instead of <br>
'10-2', 10-3, 10-6, or alternatively as 1e-2, 1e-3, 1e-6.<br>
<br>
Gilles Moury (Approve with Conditions): update reference [2] to SFCG <br>
On-Line Handbook, 14 June 2016 revision. as per <br>
</font></tt><a href=https://www.sfcgonline.org/resources/default.aspx><tt><font size=2>https://www.sfcgonline.org/resources/default.aspx</font></tt></a><tt><font size=2><br>
<br>
<br>
Total Respondents: 7<br>
All Areas responded to this question.<br>
<br>
SECRETARIAT INTERPRETATION OF RESULTS: Approved with Conditions<br>
PROPOSED SECRETARIAT ACTION: Generate
CMC poll after <br>
conditions have been addressed<br>
<br>
* * * * * * * * * * * * * * * * * * * * * * * *<br>
<br>
CESG E-Poll Identifier: CESG-P-2017-04-003 Approval to publish CCSDS <br>
413.1-G-1, Simultaneous Transmission of GMSK Telemetry and PN Ranging <br>
(Green Book, Issue 1)<br>
Results of CESG poll beginning 14 April 2017 and ending 28 April 2017:<br>
<br>
Abstain:
3 (37.5%) (Merri, Behal, Wilmot)<br>
Approve Unconditionally: 4 (50%) (Barkley, Shames, Cola, Moury)<br>
Approve with Conditions: 1 (12.5%) (Calzolari)<br>
Disapprove with Comment: 0 (0%)<br>
<br>
CONDITIONS/COMMENTS:<br>
<br>
Gian Paolo Calzolari (Approve with Conditions): After WG discussion <br>
and confirmation, add one additional stand-alone section to the GB as <br>
for instance a new section 3.4.5, plus one more reference paper (the <br>
title of the relevant San Antonio input):<br>
<br>
3.4 Telemetry and ranging performance 3-12<br>
<br>
3.4.1 Telemetry performance 3-12<br>
3.4.2 Ranging performance 3-19<br>
3.4.3 Summary for the reference case 3-28<br>
3.4.4 Link budget examples 3-29<br>
<br>
<br>
>>>><br>
3.4.5 Improved performances<br>
<br>
The performances of sections 3.4.1-3.4.4 are based on a rather simple <br>
and therefore suboptimal demodulator as illustrated in figure 3-3. <br>
Such scheme just demodulates the telemetry symbol stream, remodulates <br>
and removes it from the composite receive signal prior to ranging demodulation.<br>
Significant improvements can be obtained by performing also symbol <br>
decoding down to bit level followed by encoding and remodulation. The <br>
major drawback of this scheme is complexity and some delay in <br>
obtaining the ranging signal. The latter may not be important since <br>
normally telemetry transmission starts at the beginning of the pass <br>
while ranging is initiated at a later stage.<br>
An alternative from a complexity and performance point of view is to <br>
also remove the ranging signal prior to telemetry demodulation as in <br>
figure X-X (NEW FIGURE).<br>
<br>
........ Text copied from input paper includes some equations, the <br>
new figure X-X mentioned above and a number of tables.<br>
>>>><br>
<br>
<br>
Total Respondents: 8<br>
All Areas responded to this question.<br>
<br>
SECRETARIAT INTERPRETATION OF RESULTS: Approved with Conditions<br>
PROPOSED SECRETARIAT ACTION: Generate
CMC poll after <br>
conditions have been addressed<br>
<br>
* * * * * * * * * * * * * * * * * * * * * * * *<br>
<br>
<br>
_______________________________________________<br>
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