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Unformatted text preview: t 1: Earth Stations and Spacecraft.
Recommendations for Space Data System Standards, CCSDS 401.0-B. Blue Book.
Washington, D.C.: CCSDS, May 2000. The latest issues of these documents may be obtained from the CCSDS Secretariat at the
address indicated on page i. CCSDS 201.0-B-3 Page 1-3 June 2000 CCSDS RECOMMENDATION FOR TELECOMMAND: CHANNEL SERVICE 2 TELECOMMAND CHANNEL SERVICE OVERVIEW A complete summary of the terminology which is used internal to this document is presented
in Annex A.
The TC Channel Service (see Figure 2-1) enables an error-controlled data path to be
established for the transfer of telecommands to the spacecraft. The service contains two
distinct layers of data handling operations:
(1) A CODING LAYER, which permits telecommand information bits to be more
reliably transmitted through the noisy physical data channel using standard
channel coding techniques. The Coding layer also provides information about the
beginning of the contents of valid codeblocks and the continuity of...
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This document was uploaded on 03/06/2014.
- Spring '14