Projects

Overview
Project Title	Variable Code and Modulation (VCM) Systems for CCSDS
Approval	Approved
Document Number	431.1
Charter	5.02 Space Link Coding and Synchronization Working Group
Document Type	Blue
Description of Document	This BLUE Book defines normative, controlling guidance for the implementation of Variable Code and Modulation (VCM) systems using coding and modulation schemes standardized in CCSDS. Originally planned as Magenta Book project, coversion to Bluee Book project has ben approved by CMC on 17 April 2018 (CMC-P-2018-04-002 Change of Book Color for Project in SLS - Space Link Coding and Synchronization Working Group)
Applicable Patents	There are no patent issues for this technology that are known by the CCSDS community
Patent Comments
Survey of Similar Standards Documents or Projects Undertaken in Other Bodies and elsewhere in CCSDS
Resources
Book Editor	ESA
Book Editor Resources	Total resources 6 mm shared between ESA, DLR, CNES and NASA. Book Editor (NASA), TBC.
Prototype 1	NASA
Prototype 1 Resources	3 work-months, NASA/JPL
Prototype 2	NASA
Prototype 2 Resources	3 work-months, NASA/GSFC
Prototype 3
Prototype 3 Resources
Contribute	CNES, DLR, ESA, NASA
Monitor Only
Resource Comments	Originally planned as Magenta Book project, coversion to Bluee Book project has ben approved by CMC on 17 April 2018 (CMC-P-2018-04-002 Change of Book Color for Project in SLS - Space Link Coding and Synchronization Working Group). This impacted Resources for prototypes.

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.)	Comments (Date in M/D/YYYY format.)
Project Approved	3/1/2014
Project Start Date	3/18/2014
Internal WG Review
First Draft Circulated to WG	8/30/2014	After Fall 14 Meeting
First Draft Comments Due	9/15/2014	At Fall 15 Meeting
Second draft circulated to WG	1/15/2014	Expected from Book Captain
Second Draft Comments Due	3/30/2015	2 weeks after delivery of the draft
Final WB Submitted to AD for Further Processing	4/30/2015	Depending on the comments received from WG
External Milestones
Secretariat Document Processing	7/1/2015	Start of Review after CESG + CMC Polls
First Agency Review	9/30/2015	End of Review
RID Resolution	12/31/2015	Resolution SLS-R-2020-10-003 Publish CCSDS-431.1 Blue Book “Variable Coded Modulation Protocol” Issue 1
Secretariat Document Processing 2	6/1/2016	Poll CESG-P-2020-12-003Started
Final Agency Review	9/30/2016	Not Required
RID Resolution	12/31/2016	Not Required
First Prototype Development	12/1/2019	NASA/JPL
Second Prototype Development	12/1/2019	NASA/GSFC
CMC Approval	3/1/2017	CMC-P-2021-01-003 approved
Total Time to Complete (in months)	35