DIRECT-SEQUENCE SPREAD SPECTRUM WITH DPSK MODULATION AND DIVERSITY FOR INDOOR WIRELESS COMMUNICATIONS.

Bhaskar Ramamurthi, Mohsen Kavehrad

    Research output: Contribution to journalConference articlepeer-review

    1 Scopus citations

    Abstract

    The authors have described a technique for determining the performance of a direct-sequence spread-spectrum multiple access (DS-SSMA) system with DPSK modulation and diversity for a variety of multipath Rayleigh-fading channels, and applied it to two models of an indoor environment. They have shown that the system with DPSK modulation and selection diversity compares well with a similar system using coherent PSK modulation. Predetection combining gives a significant improvement in performance over selection diversity for high-diversity orders. The performance with selection diversity for the two models indicates that the system may be robust to changes in the delay distributions and average path-power profiles of the multipath Rayleigh-fading channel.

    Original languageEnglish (US)
    Pages (from-to)858-862
    Number of pages5
    JournalConference Record - International Conference on Communications
    StatePublished - Dec 1 1986

    All Science Journal Classification (ASJC) codes

    • Computer Networks and Communications
    • Electrical and Electronic Engineering

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