Project Title

Reed-Solomon Product Code for Optical Communications



Document Number



5.10 Optical Communications Working Group

Document Type


Description of Document

This Experimental Specification aims to specify channel coding and synchronization techniques for free-space optical communications systems used by space missions. This includes space-to-space, space-to-ground, and ground-to-space links where optical communications are being accomplished with an optical on-off keying modulated carrier (as defined in CCSDS 141.0-B-2(in progress).

Applicable Patents

Patent issues have been identified but appropriate ISO forms have not yet been signed. The WG requests a waiver to begin work on this project. (justify in comments). ISO forms must be secured prior to the first formal Agency review.

Patent Comments

U.S. Patent 4,486,739 Byte oriented DC balanced (0,4) 8B/10B partitioned block transmission code, December 1984.

Survey of Similar Standards
Documents or Projects
Undertaken in Other Bodies
and elsewhere in CCSDS

CCSDS 142.0-B-1


Book Editor


Book Editor Resources

Book already Developed and needs approval for Techincal Editor processing.

Prototype 1

Not Required

Prototype 1 Resources

Prototype 2

Not Required

Prototype 2 Resources

Prototype 3

Not Required

Prototype 3 Resources



Monitor Only

Resource Comments

The document has already been drafted by JAXA, revised both by the OPT WG and by the Area Directors, satisfactorily updated following their comments and ready for submission to publication.


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.)
Estimated Completion Date
(Date in M/D/YYYY format.)
Actual Completion Date
(Date in M/D/YYYY format.)
(Date in M/D/YYYY format.)
Project ApprovedOrange BulletGreen BulletMagenta BulletBlue Bullet7/14/20217/14/20217/14/2021Project was inadvertently not submitted for processing in CWE.
Project Start DateOrange BulletGreen BulletMagenta BulletBlue Bullet8/14/20218/14/20218/14/2021
Internal WG Review
First Draft Circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet9/14/20219/14/20219/14/2021
First Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet10/12/202110/12/202110/12/2021
Second draft circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet2/1/20222/1/20222/1/2022
Second Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet3/15/20223/15/20223/15/2022
Final WB Submitted to AD for Further ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet12/12/202312/12/20233/15/2022This is the actual date at which the document was submitted to SLS AD and DAD.
External Milestones
Secretariat Document ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet12/12/20233/15/2022
First Agency ReviewMagenta BulletBlue Bullet
RID ResolutionMagenta BulletBlue Bullet
Secretariat Document Processing 2Magenta BulletBlue Bullet
Final Agency ReviewMagenta BulletBlue Bullet
RID ResolutionMagenta BulletBlue Bullet
First Prototype DevelopmentBlue Bullet
Second Prototype DevelopmentBlue Bullet
CMC ApprovalOrange BulletGreen BulletMagenta BulletBlue Bullet10/17/202310/17/2023
Total Time to Complete
(in months)
Version: 89.0
Created at 12/7/2022 5:10 PM by Brian Oliver
Last modified at 10/17/2023 1:10 PM by Brian Oliver