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ETSI EN 301 926
M00001105
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ETSI EN 301 926 Satellite Earth Stations and Systems (SES); Radio Frequency and Modulation Standard for Telemetry, Command and Ranging (TCR) of Geostationary Communications Satellites
standard by European Telecommunications Standards Institute, 06/01/2002
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The present document applies to Telemetry, Command and Ranging (TCR) systems operating typically in the followingbands:5 850 MHz; 6 725 MHz uplink; 3 400 MHz; 4 200 MHz downlink;12 750 MHz; 14 800 MHz and 17 300 MHz; 18 100 MHz uplink; 10 700 MHz; 12 750 MHz downlink;for Geostationary Communications Satellites.The present document sets out the minimum performance requirements and technical characteristics of theground/satellite Radio Frequency (RF) interface partially based on Spread Spectrum Multiple Access (SSMA).
With the growing number of satellites, the co-location constraints and the maximization of bandwidth forCommunications Missions, and interference has motivated the elaboration of the present document for geostationarysatellites based on Spread Spectrum techniques.
The present document addresses the following applications:Telemetry;Command (Telecommand);Ranging.Currently, no RF and Modulation standard exists for the TCR of geostationary communication satellites. The aim of thepresent document is to respond to such requirements. There are consequently similarities with existing agencystandards, such as those listed in annex I, although some specifics have been introduced to respond to the requirementof multiple access for collocated geostationary communication satellites.