Space and upper atmosphere research commission

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Unformatted text preview: echnology (NCST)/USA. Scientific and Technological Research Council of Turkey (TUBITAK)/Turkey. Space and Upper Atmosphere Research Commission (SUPARCO)/Pakistan. Swedish Space Corporation (SSC)/Sweden. United States Geological Survey (USGS)/USA. CCSDS 131.0-B-2 Page iv August 2011 CCSDS RECOMMENDED STANDARD FOR TM SYNCHRONIZATION AND CHANNEL CODING DOCUMENT CONTROL Document Title Date Status CCSDS 131.0-B-1 TM Synchronization and Channel Coding, Issue 1 September 2003 Original issue CCSDS 131.0-B-2 TM Synchronization and Channel Coding, Recommended Standard, Issue 2 August 2011 Current issue. Changes from the previous issue are summarized below. EC 1 Editorial Change 1 May 2012 Corrects graphics display problem. 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 in CCSDS terse style, using ‘shall’ to specify binding and verifiable requirements; and differentiates 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 131.0-B-2 Page v Augusty2011 Ma 2012 CCSDS RECOMMENDED STANDARD FOR TM SYNCHRONIZATION AND CHANNEL CODING CONTENTS Section Page 1 INTRODUCTION.......................................................................................................... 1-1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 PURPOSE ............................................................................................................... 1-1 SCOPE .................................................................................................................... 1-1 APPLICABILITY ...........................................................................................
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