A Mobile Satellite System (MSS) will provide data and voice communications over a vast geographical area to a large population of mobile users. A technical overview is given of the extensive research and development studies and development performed under NASA's mobile satellite program (MSAT-X) in support of the introduction of a U.S. MSS. The critical technologies necessary to enable such a system are emphasized: vehicle antennas, modulation and coding, speech coders, networking and propagation characterization. Also proposed is a first, and future generation MSS architecture based upon realized ground segment equipment and advanced space segment studies.


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    Titel :

    NASA's (National Aeronautics and Space Administration's) Mobile Satellite Development Program


    Beteiligte:
    W. Rafferty (Autor:in) / K. Dessouky (Autor:in) / M. Sue (Autor:in)

    Erscheinungsdatum :

    1988


    Format / Umfang :

    12 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch