M00019568
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ISO DIS 21459 2014 Edition, September 30, 2014 SPACE DATA AND INFORMATION TRANSFER SYSTEMS - PROXIMITY-1 SPACE LINK PROTOCOL - CODING AND SYNCHRONIZATION SUBLAYER
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Availability date: 07/14/2021
Description / Abstract:
This Recommended Standard defines synchronization and channel
coding schemes for Proximity-1 links in terms of:
a) the services provided to the users of this specification;
b) data formats; and
c) the procedures performed to generate and process the data
formats.
It does not specify:
a) individual implementations or products;
b) the methods or technologies required to perform the
procedures; or
c) the management activities required to configure and control
the protocol.
The Coding and Synchronization Sublayer is part of the Data Link
Layer. The rest of the Data Link Layer is defined in the separate
CCSDS Recommended Standard entitled, Proximity-1 Space Link
Protocol-Data Link Layer (reference [3]). The Physical Layer
is defined in the separate CCSDS Recommended Standard entitled,
Proximity-1 Space Link Protocol-Physical Layer (reference
[4]).
PURPOSE
The purpose of this Recommended Standard is to specify
synchronization and channel coding schemes used with the
Proximity-1 Data Link Protocol (reference [3]) and Physical Layer
(reference [4]). Proximity space links are defined to be
short-range, bi-directional, fixed or mobile radio links, generally
used to communicate among probes, landers, rovers, orbiting
constellations, and orbiting relays. These links are characterized
by short time delays, moderate (not weak) signals, and short,
independent sessions.