A land mobile satellite service using a multibeam phased array antenna with 19 spot beams and regenerative transponders in the forward and return link to serve up to 4000 telephony connections with small mobile terminals of up to 10 W RF transmit power is introduced. Critical subsystems such as the deployable antenna, reconfigurable regenerative transponder, a robust adaptive thermal control system, on-board processing for packet-based services, and, possibly, the implementation of an on-board network control station require attention. The precise identification of the satellite system role in the overall land-mobile network and of the services to be provided; propagation characteristics, and coding/automatic repeat request techniques are also very important.


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen


    Exportieren, teilen und zitieren



    Titel :

    Advanced Regional Mobile Satellite System for the Nineties


    Beteiligte:
    W. Kriedte (Autor:in) / A. Vernucci (Autor:in)

    Erscheinungsdatum :

    1986


    Format / Umfang :

    6 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Cruise ships for the nineties

    Newman, T. | Tema Archiv | 1990


    MPC75 - The Evolution of a New Regional Airliner for the Late Nineties

    Fischer, B. / Chen, J. Z. | British Library Online Contents | 1992


    Eatons gearbox for the nineties

    Eaton,US | Kraftfahrwesen | 1976


    NO~x in the nineties

    Allen, J. W. / IMechE | British Library Conference Proceedings | 1990


    Piston design for the nineties

    Winship,M. / Morgan,W.J. / AE Piston,US | Kraftfahrwesen | 1993