A new equivalent model for deriving the bit error rate (BER) of quadrature phase-shift keying (QPSK), offset QPSK (OQPSK), and minimum shift keying (MSK) signals transmitted over hard-limited channels in the presence of up-link intersymbol interference (ISI) and CW interference (CWI) is introduced. In the equivalent model the up-link and down-link are interchanged in order to avoid the complicated expectation due to the up-link ISI at the hard-limiter output. The analysis is based on the moment technique and the Gram-Charlier expansion. Numerical results of the BER show that the large bandwidth-symbol time product (BT) or the existence of CWI makes MSK preferable compared with QPSK or OQPSK.


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    Title :

    Intersymbol and CW Interference in QPSK, OQPSK, and MSK Hard-Limiting Satellite Systems


    Contributors:
    Oka, Ikuo (author)


    Publication date :

    1986-01-01


    Size :

    1008036 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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