Transmission characteristics are described for M-ary coherent phase-shift keyed (CPSK) systems with N-stage hard-limiting transponders where noise and multiple continuous wave (CW) interference sources are additively combined in each link. A general expression for the probability density function of the composite phase at the final link is derived; the overall error probability is then obtained from this general expression. Comparisons with N-cascaded linear amplifier systems clearly show the noise and interference immunity that result from the use of bandpass hard limiters (BPHLs). The BPHL system's error probability improvement versus interference sources is shown to be much larger than the improvement versus noise.


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    Title :

    Interference Immunity Effects in CPSK Systems with Hard-Limiting Transponders


    Contributors:
    Oka, I. (author) / Kabasawa, S. (author) / Morinaga, N. (author) / Namekawa, T. (author)


    Publication date :

    1981-01-01


    Size :

    1880255 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





    M-ary CPSK Detection with Noisy Reference and Interferences

    Kabasawa, Satoshi / Morinaga, Norihiko / Namekawa, Toshikiko | IEEE | 1980


    Transponders

    British Library Online Contents | 1997


    Transponders

    Online Contents | 1994