Report presents study of performances of digital carrier-signal-tracking loops used in reception of radio signals containing quadrature-phase-shift-keyed (QPSK) modulation representing binary non-return-to-zero data. Presents mathematical models of received signal and of noise. Describes lock-detector algorithm and presents equations characterizing lock-detection performance. Equations applied in analyses of three QPSK carrier-tracking loops: Costas crossover loop, maximum a posteriori estimation loop, and generalized Costas loop. Results of computer simulations agree with equations.


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    Titel :

    Effects Of Phase Jitter On Lock Detection In QPSK


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    01.08.1992



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :