Multiantenna energy detection of PAM symbols without spatial signal cross-products

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    Abstract

    In this paper, we consider multiantenna energy detection (ED) of nonnegative pulse-amplitude-modulated (PAM) symbols suitable for low-power and low-complexity short-range communication radios using a very wide bandwidth or high centre frequency. We present a general condition which leads to the cancellation of the spatial cross products between the distinct PAM space-time coded signals at the output of an ED-based multiantenna diversity decoder. Moreover, it is shown that our existing analysis approach for single antenna ED-PAM systems in very wideband lognormal multipath fading channels can be conveniently extended for fast evaluation of spatial diversity gain and correlation effects between antenna elements in multiantenna ED-PAM systems. The error probability performance is illustrated for the selected system parameters by using the proposed analysis tool. The accuracy of the analysis approach is demonstrated with appropriate simulations.
    Original languageEnglish
    Title of host publication2012 IEEE 23rd International Symposium on Personal, Indoor and Mobile Radio Communications
    Subtitle of host publicationPIMRC
    PublisherIEEE Institute of Electrical and Electronic Engineers
    Pages1594-1599
    ISBN (Electronic)978-1-4673-2569-1, 978-1-4673-2568-4
    ISBN (Print)978-1-4673-2566-0
    DOIs
    Publication statusPublished - 2012
    MoE publication typeA4 Article in a conference publication
    Event23rd IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2012 - Sydney, Australia
    Duration: 9 Sep 201212 Sep 2012
    Conference number: 23

    Conference

    Conference23rd IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2012
    Abbreviated titlePIMRC
    CountryAustralia
    CitySydney
    Period9/09/1212/09/12

    Keywords

    • diversity combining
    • energy detection
    • low complexity
    • multiantenna system
    • pulse amplitude modulation

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