Project Title

“TM Synchronization and Channel Coding” Issue 4



Document Number



5.02 Space Link Coding and Synchronization Working Group

Document Type


Description of Document

The Recommended Standard for TM Synchronization and Channel Coding contains specifications to be used by space missions on synchronous communications links. This update to the Blue Book will produce issue 4, and will add a short chapter that specifies a subset of codes to be used in ground-to-space links. Input of USLP frames will also be addressed.

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



Book Editor


Book Editor Resources

Total resources: 2 work-months, primarily by NASA. Nominal time from other Working Group members to review the document. Lead editor: NASA.

Prototype 1

Not Required

Prototype 1 Resources

There are no new technical specifications. Flight implementations are currently in use.

Prototype 2

Not Required

Prototype 2 Resources

Prototype 3

Not Required

Prototype 3 Resources



Monitor Only


Resource Comments



Legend for Schedule Milestones
Orange Bullet = Required for Orange Books
Green Bullet = Required for Green Books
Magenta Bullet = Required for Magenta Books
Blue Bullet = Required for Blue Books
Note - Red Books are Draft Blue/Magenta Books

Schedule Milestones
Orange BookGreen BookMagenta BookBlue Book
Original Completion Date
(Date in M/D/YYYY format.)
(Date in M/D/YYYY format.)
Project ApprovedOrange BulletGreen BulletMagenta BulletBlue Bullet6/5/2019CMC-P-2019-05-006 closed 5 June 2019
Project Start DateOrange BulletGreen BulletMagenta BulletBlue Bullet6/10/2019
Internal WG Review
First Draft Circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet6/10/2019
First Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet6/30/2019
Second draft circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet8/1/2019
Second Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet10/1/2019
Final WB Submitted to AD for Further ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet10/25/2019
External Milestones
Secretariat Document ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet12/15/2019
First Agency ReviewMagenta BulletBlue Bullet3/15/2020
RID ResolutionMagenta BulletBlue Bullet5/15/2020
Secretariat Document Processing 2Magenta BulletBlue Bullet5/30/2020Not expected
Final Agency ReviewMagenta BulletBlue Bullet5/30/2020Not expected
RID ResolutionMagenta BulletBlue Bullet5/30/2020Not expected
First Prototype DevelopmentBlue Bullet5/30/2020Not required
Second Prototype DevelopmentBlue Bullet5/30/2020Not required
CMC ApprovalOrange BulletGreen BulletMagenta BulletBlue Bullet10/15/2020
Total Time to Complete
(in months)
Version: 257.0
Created at 6/14/2019 10:32 AM by Gian Paolo Calzolari
Last modified at 5/2/2022 9:48 AM by Brian Oliver