Projects

Overview
Project Title	Revision of CCSDS 231.0-B-1 TC Synchronization and Channel Coding. Blue Book. Issue 1. September 2003.
Approval
Document Number	231.0
Charter	5.02 Space Link Coding and Synchronization Working Group
Document Type	Blue
Description of Document	Review due within the 5 years cycle and in coordination with the Space Link Protocol WG, the introduction of TC Repeated Transmission is in progress. In addition the WG agreed to put into silver state PLOP-1 and recommend only PLOP-2 for new missions. ------------ This Recommendation contains specifications for synchronization and channel coding to be used by space missions on asynchronous communications links. These specifications correspond with those contained in Telecommand Part 1—Channel Service.
Applicable Patents	There are no patent issues for this technology that are known by the CCSDS community
Patent Comments	NA
Survey of Similar Standards Documents or Projects Undertaken in Other Bodies and elsewhere in CCSDS
Resources
Book Editor
Book Editor Resources
Prototype 1
Prototype 1 Resources
Prototype 2
Prototype 2 Resources
Prototype 3
Prototype 3 Resources
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Resource Comments

Schedule

Legend for Schedule Milestones = Required for Orange Books = Required for Green Books = Required for Magenta Books = Required for Blue Books Note - Red Books are Draft Blue/Magenta Books Schedule Milestones	Original Completion Date (Date in M/D/YYYY format.)	Estimated Completion Date (Date in M/D/YYYY format.)	Actual Completion Date (Date in M/D/YYYY format.)	Comments (Date in M/D/YYYY format.)
Project Approved	10/20/2008	10/20/2008	10/20/2008
Project Start Date
Internal WG Review
First Draft Circulated to WG	12/15/2008	12/15/2008	12/10/2008
First Draft Comments Due	2/28/2009	2/28/2009	4/24/2009
Second draft circulated to WG	3/20/2009	3/20/2009	10/11/2009
Second Draft Comments Due	4/20/2009	4/20/2009	10/30/2009
Final WB Submitted to AD for Further Processing	4/26/2009	4/26/2009	11/15/2009	Agreed Pink Sheets (not WB) provided together with WG Reolution(s)
External Milestones
Secretariat Document Processing	5/30/2009	5/30/2009	2/1/2010
First Agency Review	9/30/2009	9/30/2009	4/20/2010
RID Resolution	10/30/2009	6/30/2010	6/15/2010
Secretariat Document Processing 2	11/15/2009	9/30/2010	8/30/2010
Final Agency Review			5/20/2010	Not expected for these Pink Sheets - Fake Dates
RID Resolution			5/20/2010	Not expected for these Pink Sheets - Fake Dates
First Prototype Development			5/20/2010	Not expected for these Pink Sheets - Fake Dates
Second Prototype Development			5/20/2010	Not expected for these Pink Sheets - Fake Dates
CMC Approval	11/30/2009	11/30/2010	9/30/2010	CCSDS 231.0-B-2 Issue 2 published September 2010.
Total Time to Complete (in months)	1,297	1,309