This paper presents an overview of ESA's activities in the field of satellite-based aeronautical services and in particular its experimental project PRODAT. PRODAT will provide low data-rate, data-only services for aircraft fitted with hemispherical antennas. The overall system architecture is examined with emphasis on: The multiple access scheme employed, code division multiple access (CDMA), on the air-to-ground link. (A time division multiplexed (TDM) carrier is used on the ground-to-air link). The original coding techniques, based on the use of Reed-Solomon block codes. The overall link protocols that are implemented to interface airborne ACARS/AIRCOM data acquisition systems with the SITA data network. The first system demonstration is planned to start in April 1987, and the results of preliminary tests will be reported herein.
PRODAT aeronautical communication system: overall architecture and preliminary test results
Das aeronautische Kommunikationssystem PRODAT: Systemarchitektur und erste Versuchsergebnisse
1987
7 Seiten, 3 Bilder, 1 Tabelle
Conference paper
English
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