Rural satellite communications using a spread spectrum multiple access system
Abstract
A domestic satellite communications system with improved economicality is outlined. The system employs one master earth station (MES) and numerous small earth terminals (SETs), simplifying the satellite link establishment. Two communications systems are used, Time Division Multiplex for transmission from the MES to SETs and Spread Spectrum Multiple Access for transmission from the SETs to the MES. This arrangement improves power utilization efficiency and reduces interference with other communications systems. The equipment configurations of the earth stations are described, the link budget is discussed, and the system's application to emergency telephone service is addressed.
- Publication:
-
Stockholm International Astronautical Federation Congress
- Pub Date:
- October 1985
- Bibcode:
- 1985stoc.iafcY....H
- Keywords:
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- Domestic Satellite Communications Systems;
- Japanese Spacecraft;
- Multiple Access;
- Rural Areas;
- Spread Spectrum Transmission;
- Communication Satellites;
- Data Links;
- Ground Stations;
- Islands;
- Remote Regions;
- Time Division Multiplexing;
- Communications and Radar