[CMC] Draft IOAG resolution: CCSDS LDPC standard:

[Adrian J. Hooke]

>Date: Thu, 31 Jul 2008 15:12:44 -0700
>From: Jon Hamkins <jon.hamkins at jpl.nasa.gov>
>To: Leslie J Deutsch <leslie.j.deutsch at jpl.nasa.gov>
>CC: Adrian.J.Hooke at jpl.nasa.gov, Dariush.Divsalar at jpl.nasa.gov,
>         Dennis.K.Lee at jpl.nasa.gov, Edward.Greenberg at jpl.nasa.gov,
>         Enrico.Vassallo at esa.int, Fabrizio.Pollara at jpl.nasa.gov,
>         Gary.K.Noreen at jpl.nasa.gov, Gian.Paolo.Calzolari at esa.int,
>         Greg.J.Kazz at jpl.nasa.gov, Jean-Luc.Gerner at esa.int,
>         Klaus-Juergen.Schulz at esa.int, Manfred.Warhaut at esa.int,
>         roger.d.porter at nasa.gov, frank.j.stocklin at nasa.gov,
>         victor.j.sank at nasa.gov, wai.h.fong at nasa.gov,
>         Wallace.S.Tai at jpl.nasa.gov, Wolfgang.Hell at esa.int,
>         Peter.M.Shames at jpl.nasa.gov
>Subject: Re: Updated notes from yesterday's CMLP Telecon
>
>Here is my action item, a draft IOAG resolution on the subject of 
>the CCSDS LDPC standard:
>
>Considering that
>
>1.  That CCSDS member agencies have multiple planned near-Earth, 
>Lunar, and deep space missions with varied commanding, high rate 
>uplink, emergency, proximity, and telemetry communications links,
>2.  That these links have varied data rate, latency, bandwidth 
>efficiency, power efficiency, range, codec complexity, and dynamic 
>adaptability requirements,
>3.  That the existing CCSDS "TM Synchronization and Channel Coding" 
>131.0-B-1 recommendation describing convolutional, Reed-Solomon, and 
>turbo codes is inadequate to satisfy all of these requirements,
>4.  That the augmentation of existing CCSDS recommendations with a 
>set of modern LDPC codes of several rates rates and lengths is 
>capable of satisfying these requirements,
>5.  And that it is of common interest to prevent the proliferation 
>of codes and that some down-selecting is desirable to maximize the 
>availability of cross support while minimizing implementation cost,
>
>the IOAG resolves
>
>1.  To urge CCSDS to develop a standard based on the CCSDS 131.1-O-2 
>Orange Book, "Low Density Parity Check Codes for Use in Near-Earth 
>and Deep Space,"
>2.  To urge CCSDS to consider whether this standard should be 
>complemented with a solution optimized for the dynamic adaptation 
>required in near-Earth missions, as specified by either the CCSDS 
>131.2-O-1 Orange Book, "Flexible Serially Concatenated Convolutional 
>Turbo Codes with Near-Shannon Bound Performance for Telemetry 
>Applications," or by the Digital Video Broadcast Satellite (DVB-S2) standard.
>
>      ----Jon