This paper considers bit synchronization through the use of a separate clock signal which is either amplitude modulated onto or summed with the data signal. For continuous data transmission, such schemes are known to be inferior, in the sense of efficient use of power, to schemes which derive synchronization directly from the data signal. However, these techniques have application in burst systems such as spacecraft command systems, and in systems where receiver simplicity is more important than power conservation. For systems in which the composite data-clock signal subsequently modulates an RF carrier, it is shown that the summed clock signal performs slightly better than the AM clock signal, and that for both signal types, the optimum allocation of power between data and clock is approximately 9:1.


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    Titel :

    Comparison of Bit Synchronization Schemes Using AM and Summed Clocks


    Beteiligte:
    Geist, John M. (Autor:in) / Gee, Thomas H. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.03.1976


    Format / Umfang :

    1800940 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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