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ccsds 131.0-b-2

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CCSDS RECOMMENDED STANDARD FOR TM SYNCHRONIZATION AND CHANNEL CODINGDOCUMENT CONTROLDocument Title Date StatusCCSDS<strong>131.0</strong>-B-1TM Synchronization and ChannelCoding, Issue 1September2003Original issueCCSDS<strong>131.0</strong>-B-2TM Synchronization and ChannelCoding, Recommended Standard,Issue 2August2011Current issue. Changesfrom the previous issueare summarized below.EC 1 Editorial Change 1 May 2012 Corrects graphics displayproblem.Changes not compatible with previous issue:– adds LDPC Code.Changes compatible with previous issue:– adds Security, SANA, and Patent Considerations annex;– corrects and updates erroneous and obsolete material;– updates all coding sections for uniformity of presentation; rephrases specifications inCCSDS terse style, using ‘shall’ to specify binding and verifiable requirements; anddifferentiates non-normative text from normative text (see 1.6.2);– clearly differentiates the terms ‘Codeblock’ and ‘Codeword’, with the term‘Codeblock’ confined to Reed-Solomon coding (see definitions in annex D).CCSDS <strong>131.0</strong>-B-2 Page v August May 2011 2012

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