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Project Title

Short (64, 128, 256 bit ) LDPC codes for uplink

Approval

Approved

Project Status

All Tasks Completed

Project Phase

Project Completed

Document Number

231.1

Charter

5.02 Space Link Coding and Synchronization Working Group

Document Type

Orange

Description of Document

Technical specification of short (64, 128, 256) LDPC codes used for the NGU emergency uplink application profile. See NASA White paper submitted at the Fall 2010 CCSDS meeting in London Oct 2010.

Applicable Patents

There are patent issues in this work area, but appropriate ISO forms have been submitted indicating RAND licensing policy by the patent holder or licensor (explain in comments).

Patent Comments

These are the same patent issues covered for the downlink use of LDPC code Family by NASA.

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

Resources

Book Editor

NASA

Book Editor Resources

NASA/JPL

Prototype 1

Not Required

Prototype 1 Resources

Not Required

Prototype 2

Not Required

Prototype 2 Resources

Not Required

Prototype 3

Prototype 3 Resources

Contribute

DLR

Monitor Only

Resource Comments

Schedule

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.)
Comments
(Date in M/D/YYYY format.)
Project ApprovedOrange BulletGreen BulletMagenta BulletBlue Bullet11/30/201111/30/201112/14/2011See CMC E-Poll Identifier: CMC-P-2011-11-005
Project Start DateOrange BulletGreen BulletMagenta BulletBlue Bullet12/14/201112/14/201112/14/2011
Internal WG Review
First Draft Circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet12/15/201112/15/20114/2/2012Input to Spring 2012 Meeting
First Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet2/15/20126/6/201411/11/2014
Second draft circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet6/15/201212/1/201412/1/2014
Second Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet9/15/20121/15/20151/15/2015
Final WB Submitted to AD for Further ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet11/10/20122/6/20152/6/2015
External Milestones
Secretariat Document ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet11/15/20123/20/20153/20/2015
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
First Prototype DevelopmentBlue Bullet
CMC ApprovalOrange BulletGreen BulletMagenta BulletBlue Bullet12/30/20126/30/20154/10/2015
Total Time to Complete
(in months)
12
42
Attachments
Version: 214.0
Created at 10/19/2011 12:05 PM by CCSDS Tech Support
Last modified at 4/10/2015 7:55 PM by CCSDS Tech Support