Extensive flight testing was conducted over flat terrain, hilly terrain, and open freshwater settings to examine performance of an air-ground command and control radio link for unmanned aerial vehicles. The flight data collected on bidirectional radio range, signal fading, and transmitted data loss were necessary to validate a proposed air-ground radio waveform that was being considered by a U.S. standards organization. The NASA test system operated at C-band frequencies and utilized a prototype, software-defined radio developed in cooperation with a commercial avionics supplier. Results are presented for multiple altitudes, ranges, and flight conditions, indicating the signal fade depths, occurrence rates, and durations for each flight environment.


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    Title :

    Flight Test Data for Prototype Air-Ground Control and Non-Payload Communications Radio Link


    Contributors:
    K. Shalkhauser (author) / J. Ishac (author) / S. Bretmersky (author) / M. W. Neale (author) / B. Frantz (author) / M. Cauley (author) / D. Iannicca (author) / C. Chevalier (author) / D. Stewart (author) / R. Dimond (author)

    Publication date :

    2023


    Size :

    164 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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