The multiple access (MA) system, an essential part of the United States Space Station, will be used to provide simultaneous communication services, voice and command, telemetry and video, between the Space Station and all the different coorbiting user vehicles. The system is designed to operate in the Ku-band frequencies between 14 GHz and 14.89 GHz. Within this band, there are other users that could pose serious interference potential. The authors explore these issues in detail. The problem with the present Space Station hardware design is examined. The extent of the interference and its impact on the system operations are analyzed using a Monte Carlo simulation. Worst-case analysis indicated that certain links are very susceptible to interference. Mitigation techniques involving both hardware changes and operation constraints are presented. With the modification of some of the design and implementation of some of the mitigation techniques, the interference levels were found to be only a few percent and to occur in a burst manner.


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    Titel :

    Ku-band interferences for the Space Station multiple access link


    Weitere Titelangaben:

    Ku-Band-Interferenzen für Mehrfachzugriffsverbindungen zur Weltraumstation


    Beteiligte:
    Loh, Y.C. (Autor:in) / Land, K.P. (Autor:in) / Arndt, D. (Autor:in) / Novosad, S.W. (Autor:in)


    Erscheinungsdatum :

    1989


    Format / Umfang :

    7 Seiten, 3 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





    Interferences

    Charles-Faroux, R. | Engineering Index Backfile | 1932


    Integrated active antenna module for space station multiple access communication

    Shaw, R.W. / Kovitz, J.K. / Johnson, L. et al. | Tema Archiv | 1990



    News - Space Station access conundrum

    Catchpole, John | Online Contents | 2005