<span style=" font-size:10pt;font-family:sans-serif">Dear WG members,</span>
<br>
<br><span style=" font-size:10pt;font-family:sans-serif">please find attached
2 draft concept papers. For both papers, your comments are expected in
2 weeks time, i.e. by Thursday 06th June.</span>
<br><span style=" font-size:10pt;font-family:sans-serif">After the deadline,
I will request a resolution for the approval of the 2 projects.</span>
<br>
<br><span style=" font-size:10pt;font-family:sans-serif">1 - Introduction
of a channel interleaver in 131.0-B (in response to AI_19_06) </span>
<br>
<br>
<br><span style=" font-size:10pt;font-family:sans-serif">2 - Extension
of 131.2-B to use of AOS and USLP (fixed length frame) for ground-to-space
and space-to-space links (beside space-to-ground links) (see sec.
2.4 of the Spring MOM)</span>
<br><span style=" font-size:10pt;font-family:sans-serif"><br>
<br>
</span>
<br><span style=" font-size:10pt;font-family:sans-serif">Best regards,</span>
<br><span style=" font-size:10pt;font-family:sans-serif">Massimo</span>
<br><span style=" font-size:10pt;font-family:sans-serif">---------------------------------------------------<br>
Massimo Bertinelli<br>
Communication Systems Engineer<br>
ESA/Estec<br>
<br>
Tel. +31 (0)71 5653435<br>
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