An overview of existing and planned land mobile satellite communications systems and services is given. Operational and planned global systems such as Inmarsat, Iridium, and Globalstar, are highlighted, and the main technical details are listed. European and U.S. concepts are discussed. Applications for land mobile satellite communications are addressed, such as fleet management and global personal communications. The main technological challenges which are important for the future development of mobile communications, such as efficient use of spectrum, use of higher frequency bands, processing satellites with multiple beams, and suitable satellite orbits, are identified.


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    Titel :

    Land Mobile Satellite Communications Systems and Services


    Beteiligte:
    E. Lutz (Autor:in)

    Erscheinungsdatum :

    1992


    Format / Umfang :

    5 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch