Further results on the Viterbi algorithm equalizer

Antonio Cantoni, Ken Kwong

    Research output: Contribution to journalArticlepeer-review

    13 Citations (Web of Science)


    A receiver structure recently proposed for the detection of pulse-amplitude modulation (PAM) signals is considered. The receiver is designed to reduce the complexity of the Viterbi decoder by equalizing the channel to an optimum desired short memory channel. Expressions for the optimum prefilter and short memory model are given. It is also shown that the minimum mean-square error achievable is a monotonic decreasing function of the model memory length. Numerical results for a specific channel are presented verifying this. A numerical investigation of the effect of shifting the reference tap is also included.

    Original languageEnglish
    Pages (from-to)764-767
    Number of pages4
    JournalIEEE Transactions on Information Theory
    Issue number6
    Publication statusPublished - 1 Jan 1974


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