Report discusses several techniques for resolution of phase ambiguities in detection and decoding of radio signals modulated by coherent quadrature phase-shift keying (QPSK) and offset QPSK (OQPSK). Eight ambiguities: four associated with phase of carrier signal in absence of ambiguity in direction of rotation of carrier phase, and another four associated with carrier phase in presence of phase-rotation ambiguity.


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    Title :

    Resolution Of Phase Ambiguities In QPSK


    Contributors:

    Published in:

    Publication date :

    1992-01-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English