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CCSDS Management Framework > Projects > Short (64, 128, 256 bit ) LDPC codes for uplink  

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

 
 
Version HistoryVersion History
Overview

Project Title *

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

Document Number

231.1

Charter *

5.02 Space Link Coding and Synchronization Working Group

Document Type *

Orange Book

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.
Resources
Work Group Chair Estimated ResourcesAgency Volunteering

Book Editor

NASA/JPLNASA

Prototype 1

Not RequiredNot Required

Prototype 2

Not RequiredNot Required

Contribute

DLR, NASA

Monitor

Schedule
Legend for Schedule Milestones Orange BookGreen BookMagenta BookBlue Book
Required Field= Required for Orange Books

Required Field= Required for Green Books

Required Field= Required for Magenta Books

Required Field= Required for Blue Books
(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
(Limit 255 Characters)
  Project Approved Required FieldRequired FieldRequired FieldRequired Field11/30/201111/30/2011 12/14/2011See CMC E-Poll Identifier: CMC-P-2011-11-005
  Internal WG Review
- First draft circulated to WG Required FieldRequired FieldRequired FieldRequired Field12/15/201112/15/2011 4/2/2012Input to Spring 2012 Meeting
- First draft comments due Required FieldRequired FieldRequired FieldRequired Field2/15/20126/15/2013
- Second draft circulated to WG Required FieldRequired FieldRequired FieldRequired Field6/15/20129/15/2013 
- Second draft comments due Required FieldRequired FieldRequired FieldRequired Field9/15/201212/15/2013 
- Final WB submitted to AD for further processing  Required FieldRequired FieldRequired FieldRequired Field11/10/20123/10/2014 
  Secretariat Document ProcessingRequired FieldRequired FieldRequired FieldRequired Field11/15/20126/15/2014 
  First Agency ReviewRequired FieldRequired Field 
  RID ResolutionRequired FieldRequired Field 
  Secretariat Document ProcessingRequired FieldRequired Field 
  Final Agency ReviewRequired FieldRequired Field 
  RID ResolutionRequired FieldRequired Field 
  First Prototype DevelopmentRequired Field 
  Second Prototype DevelopmentRequired Field 
  CMC ApprovalRequired FieldRequired FieldRequired FieldRequired Field12/30/20126/30/2014 
Total Time to Complete (in months) 13 30  
Version: 158.0
Created at 10/19/2011 12:05 PM by CCSDS Tech Support
Last modified at 4/8/2013 11:18 PM by CCSDS Tech Support