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<p class="MsoNormal">Dear SLP WG,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Andrea Modenini is asking us, if we have any use cases for the Variable Length Frame (VLF) scenario in any of our agencies missions, and if so, to share them with the C&S WG.<o:p></o:p></p>
<p class="MsoNormal">My observation is that in the future at the Moon and eventually at Mars, the strong directionality of “uplink”, “downlink”, “forward”, “return” links will not be so strong and will give way to a kind of more homogeneous link environment.
In that type of environment, I assert that link directionality is secondary at best, and therefore a more generic frame based approach, i.e., VLFs will fit better to meet the goals of these links overall. That’s my conjecture. Your opinion is welcome.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal">Greg<o:p></o:p></p>
<p class="MsoNormal">Chair SLP WG<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">"Andrea.Modenini@esa.int" <Andrea.Modenini@esa.int><br>
<b>Date: </b>Monday, August 1, 2022 at 8:17 AM<br>
<b>To: </b>C&S WG <sls-cc@mailman.ccsds.org><br>
<b>Cc: </b>"Edwards, Bernard L. (GSFC-5600)" <bernard.l.edwards@nasa.gov>, "Kazz, Greg (US 312B)" <greg.j.kazz@jpl.nasa.gov>, "Andrews, Kenneth S (US 332B)" <kenneth.s.andrews@jpl.nasa.gov><br>
<b>Subject: </b>[EXTERNAL] [SLS-CC] reminder AI VLFs<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"">Dear C&S WG,</span>
<o:p></o:p></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:"Courier New""> concerning the AI on VLFs, I received just a single input from ESA as in attachment.</span><o:p></o:p></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:"Courier New"">It refers to Earth Observation and SCI missions using RF links only: it is shown that VLFs advantages are quite low.</span><o:p></o:p></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:"Courier New"">Before closing the AI, given the vacation period, could you let me know by
<b>9th September</b> if your agency plans to submit any input for the action item in subject, and when?</span><o:p></o:p></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:"Courier New"">As discussed during Spring 2022, it would be useful to have such inputs well before Fall meeting 2022, for finalising the concept paper.</span><o:p></o:p></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:"Courier New"">Otherwise, in absence of use cases, I see difficult to proceed in having a project for VLFs.</span><o:p></o:p></p>
<p style="margin:0in"><b><span style="font-size:10.0pt;font-family:"Courier New"">@Bern, Greg</span></b><span style="font-size:10.0pt;font-family:"Courier New"">: if you could pool your WGs as well.</span><o:p></o:p></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:"Courier New"">Andrea</span><o:p></o:p></p>
<p class="MsoNormal"><br>
<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray">ESA - European Space Agency</span></b>
<br>
<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:#00A1E0">Ph.D. Andrea Modenini</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray"><br>
TT&C Communications Systems Engineer</span></b><b><span style="font-size:12.0pt;font-family:"Tms Rmn",serif">
</span></b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray"><br>
TT&C and PDT Systems & Techniques Section (TEC-EST)<br>
RF Systems Division<b><br>
ESTEC</b><br>
Keplerlaan 1, PO Box 299<br>
NL-2200 AG Noordwijk, The Netherlands</span><u><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:blue"><br>
</span></u><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray">andrea.modenini@esa.int |
</span><a href="https://urldefense.us/v3/__http:/www.esa.int/__;!!PvBDto6Hs4WbVuu7!YeQnERr84fszTAxn5ZId4J9DLI0zd6tBP6EutY0os4XiXPhNwbcZs_TZPhBLa7c_Mx-Dre3s$"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:#8F8F8F">www.esa.int</span></a><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray"><br>
T +31 71 56 53439, M +31 6 484 56 527</span> <br>
<br>
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<span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#5F5F5F">From: </span><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Nicola Maturo/estec/ESA</span>
<br>
<span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#5F5F5F">To: </span><span style="font-size:9.0pt;font-family:"Arial",sans-serif">"Andrea Modenini" <Andrea.Modenini@esa.int>, "Kazz, Greg J (312B)" <Greg.J.Kazz@jpl.nasa.gov>, "Edwards,
Bernard L. (GSFC-5600)" <bernard.l.edwards@nasa.gov>, "kenneth.s.andrews@jpl.nasa.gov" <kenneth.s.andrews@jpl.nasa.gov></span>
<br>
<span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#5F5F5F">Date: </span><span style="font-size:9.0pt;font-family:"Arial",sans-serif">27-07-22 17:05</span>
<br>
<span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#5F5F5F">Subject: </span><span style="font-size:9.0pt;font-family:"Arial",sans-serif">RE: [SLS-CC] reminder AI VLFs</span>
<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><o:p> </o:p></p>
<p style="margin:0in">Dear Andrea, Greg, Edwards and Ken;<o:p></o:p></p>
<p style="margin:0in"> <o:p></o:p></p>
<p style="margin:0in">Please find attached ESA input on the VLF topic.<o:p></o:p></p>
<p style="margin:0in"> <o:p></o:p></p>
<p style="margin:0in">Regards,<o:p></o:p></p>
<p style="margin:0in"> <o:p></o:p></p>
<p style="margin:0in">Nicola<o:p></o:p></p>
<p style="margin:0in"> <o:p></o:p></p>
<p style="margin:0in"><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray">HE Space for ESA - European Space Agency
<br>
</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:#00A1E0"><br>
Nicola Maturo,</span></b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:#00A1E0">
<b>Ph.D.</b></span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray"><br>
TT&C Communications Systems Engineer </span><br>
<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray"><br>
TT&C and PDT Systems and Techniques Section (TEC-EST)<br>
Radio Frequency Systems Division (TEC-ES)<br>
Directorate of Technology, Engineering and Quality (TEC)</span> <o:p></o:p></p>
<p style="margin:0in"><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray">European Space Research and Technology Centre (ESTEC)</span></b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray"><br>
Keplerlaan 1, PO Box 299<br>
NL-2200 AG Noordwijk, The Netherlands</span><u><span style="color:blue"><br>
</span></u><a href="mailto:gilles.nzokira@esa.int"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:#0082BF">nicola.maturo@esa.int</span></a><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray"> |
</span><a href="https://urldefense.us/v3/__http:/www.esa.int/__;!!PvBDto6Hs4WbVuu7!YeQnERr84fszTAxn5ZId4J9DLI0zd6tBP6EutY0os4XiXPhNwbcZs_TZPhBLa7c_Mx-Dre3s$"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:#8F8F8F">www.esa.int</span></a><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray"><br>
T +31 71 565 3885</span> <o:p></o:p></p>
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<p style="margin:0in"> <o:p></o:p></p>
<p style="margin:0in"><b>From:</b> SLS-CC <sls-cc-bounces@mailman.ccsds.org> <b>On Behalf Of
</b>Andrea.Modenini--- via SLS-CC<b><br>
Sent:</b> 12 July 2022 14:14<b><br>
To:</b> Space Link Coding & Synchronization Working Group <sls-cc@mailman.ccsds.org><b><br>
Cc:</b> Kazz, Greg J (312B) <Greg.J.Kazz@jpl.nasa.gov>; Edwards, Bernard L. (GSFC-5600) <bernard.l.edwards@nasa.gov><b><br>
Subject:</b> [SLS-CC] reminder AI VLFs<o:p></o:p></p>
<p style="margin:0in"> <o:p></o:p></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Dear C&S WG,</span>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif"><br>
a kind reminder for the deadline of the AI about providing use cases for VLFs.</span>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif"><br>
Please send your input by 27th July (with CC Bern, Greg, and Ken).</span> <br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif"><br>
Regards</span> <br>
<br>
<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray"><br>
ESA - European Space Agency</span></b> <b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:#00A1E0"><br>
Ph.D. Andrea Modenini</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray"><br>
TT&C Communications Systems Engineer</span></b><b><span style="font-size:12.0pt;font-family:"Tms Rmn",serif">
</span></b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray"><br>
TT&C and PDT Systems & Techniques Section (TEC-EST)<br>
RF Systems Division<b><br>
ESTEC</b><br>
Keplerlaan 1, PO Box 299<br>
NL-2200 AG Noordwijk, The Netherlands</span><u><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:blue"><br>
</span></u><a href="mailto:andrea.modenini@esa.int"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif">andrea.modenini@esa.int</span></a><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray"> |
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T +31 71 56 53439, M +31 6 484 56 527</span> <br>
<br>
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<span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#5F5F5F"><br>
From: </span><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Andrea Modenini/estec/ESA</span>
<span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#5F5F5F"><br>
To: </span><span style="font-size:9.0pt;font-family:"Arial",sans-serif">"Space Link Coding & Synchronization Working Group" <</span><a href="mailto:sls-cc@mailman.ccsds.org"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">sls-cc@mailman.ccsds.org</span></a><span style="font-size:9.0pt;font-family:"Arial",sans-serif">></span>
<span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#5F5F5F"><br>
Cc: </span><span style="font-size:9.0pt;font-family:"Arial",sans-serif">"Edwards, Bernard L. (GSFC-5600)" <</span><a href="mailto:bernard.l.edwards@nasa.gov"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">bernard.l.edwards@nasa.gov</span></a><span style="font-size:9.0pt;font-family:"Arial",sans-serif">>,
"Lee, Dennis K (332G)" <</span><a href="mailto:Dennis.K.Lee@jpl.nasa.gov"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Dennis.K.Lee@jpl.nasa.gov</span></a><span style="font-size:9.0pt;font-family:"Arial",sans-serif">>, "Kazz, Greg J (312B)"
<</span><a href="mailto:Greg.J.Kazz@jpl.nasa.gov"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Greg.J.Kazz@jpl.nasa.gov</span></a><span style="font-size:9.0pt;font-family:"Arial",sans-serif">></span>
<span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#5F5F5F"><br>
Date: </span><span style="font-size:9.0pt;font-family:"Arial",sans-serif">30-05-22 12:19</span>
<span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#5F5F5F"><br>
Subject: </span><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Re: [SLS-CC] Spring 2022 - MoM and input for SLS to CESG</span>
<o:p></o:p></p>
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Dear all,</span> <span style="font-size:10.0pt;font-family:"Arial",sans-serif"><br>
for the C&S Spring MoM 2022, I have just received a few comments that I have implemented.</span>
<br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif"><br>
You can find in attachment the final PDF file, that I will upload on CWE, and, for your convenience, the .doc file with the track changes.</span>
<br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif"><br>
Finally, I reminder that the first AIs (use cases for VLFs) is due by July 2022, so please send your inputs (with CC Bern, Greg, and Ken) no later than 27th July 2022.</span>
<br>
<br>
<br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif"><br>
Kind Regards</span> <br>
<br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif"><br>
[attachment "SLS-CS Spring 2022 MoM_final.pdf" deleted by Andrea Modenini/estec/ESA] [attachment "SLS-CS Spring 2022 MoM_track_changes.docx" deleted by Andrea Modenini/estec/ESA]
</span><br>
<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray"><br>
ESA - European Space Agency</span></b> <b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:#00A1E0"><br>
Ph.D. Andrea Modenini</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray"><br>
TT&C Communications Systems Engineer</span></b><b><span style="font-size:12.0pt;font-family:"Tms Rmn",serif">
</span></b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray"><br>
TT&C and PDT Systems & Techniques Section (TEC-EST)<br>
RF Systems Division<b><br>
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<span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#5F5F5F"><br>
From: </span><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Andrea Modenini/estec/ESA</span>
<span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#5F5F5F"><br>
To: </span><span style="font-size:9.0pt;font-family:"Arial",sans-serif">"Space Link Coding & Synchronization Working Group" <</span><a href="mailto:sls-cc@mailman.ccsds.org"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">sls-cc@mailman.ccsds.org</span></a><span style="font-size:9.0pt;font-family:"Arial",sans-serif">></span>
<span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#5F5F5F"><br>
Cc: </span><span style="font-size:9.0pt;font-family:"Arial",sans-serif">"Edwards, Bernard L. (GSFC-5600)" <</span><a href="mailto:bernard.l.edwards@nasa.gov"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">bernard.l.edwards@nasa.gov</span></a><span style="font-size:9.0pt;font-family:"Arial",sans-serif">>,
"Lee, Dennis K (332G)" <</span><a href="mailto:Dennis.K.Lee@jpl.nasa.gov"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Dennis.K.Lee@jpl.nasa.gov</span></a><span style="font-size:9.0pt;font-family:"Arial",sans-serif">>, "Kazz, Greg J (312B)"
<</span><a href="mailto:Greg.J.Kazz@jpl.nasa.gov"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Greg.J.Kazz@jpl.nasa.gov</span></a><span style="font-size:9.0pt;font-family:"Arial",sans-serif">></span>
<span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#5F5F5F"><br>
Date: </span><span style="font-size:9.0pt;font-family:"Arial",sans-serif">18-05-22 09:12</span>
<span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#5F5F5F"><br>
Subject: </span><span style="font-size:9.0pt;font-family:"Arial",sans-serif">[SLS-CC] Spring 2022 - MoM and input for SLS to CESG</span>
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Dear colleagues,</span> <span style="font-size:10.0pt;font-family:"Arial",sans-serif">
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you can find in attachment the draft MoM of the C&S WG meetings, including the joint meetings with SLP, RFM, and OPT.</span>
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In attachment there is also a powerpoint of the input that I would like to send to SLS AD for the CESG meeting about having an OpenISL project.</span>
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<span style="font-size:10.0pt;font-family:"Arial",sans-serif"><br>
Could you send me your comments <b>no later than 24th EOB</b>? </span><br>
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<span style="font-size:10.0pt;font-family:"Arial",sans-serif"><br>
For Bern, Dennis, and Greg, can you pool your WG as well for comments? The relevant content for your WGs is as follows:</span>
<b><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><br>
RFM: </span></b><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Section 3 of MoM + AI list + Powerpoint</span>
<b><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><br>
OPT: </span></b><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Section 1 of MoM + AI list</span>
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SLP: </span></b><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Section 1, 2 and 3 of MoM + AI list + Powerpoint</span>
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Regards</span> <br>
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[attachment "SLS-CS Spring 2022 MoM.docx" deleted by Andrea Modenini/estec/ESA] [attachment "Annex - SLS - activity for the implementation of an OpenISL.pptx" deleted by Andrea Modenini/estec/ESA]
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<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray"><br>
ESA - European Space Agency</span></b> <b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:#00A1E0"><br>
Ph.D. Andrea Modenini</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray"><br>
TT&C Communications Systems Engineer</span></b><b><span style="font-size:12.0pt;font-family:"Tms Rmn",serif">
</span></b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray"><br>
TT&C and PDT Systems & Techniques Section (TEC-EST)<br>
RF Systems Division<b><br>
ESTEC</b><br>
Keplerlaan 1, PO Box 299<br>
NL-2200 AG Noordwijk, The Netherlands</span><u><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:blue"><br>
</span></u><a href="mailto:andrea.modenini@esa.int"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif">andrea.modenini@esa.int</span></a><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:gray"> |
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