Error performance of terrestrial free space optical links with subcarrier time diversity

Wasiu O. Popoola, Zabih Ghassemlooy , Harald Haas, Erich Leitgeb, V. Ahmadi

    Research output: Contribution to journalArticle

    Abstract

    In this work, the performance of binary phase shift keying (BPSK) subcarrier intensity-modulated terrestrial free-space optical (FSO) communication link is analysed in the presence of noise and atmospheric turbulence. To ameliorate channel fading caused by the atmospheric turbulence, we propose a subcarrier time delay diversity (STDD) scheme in which the delayed versions of the original data are re-transmitted on different subcarriers. In short range links, a single re-transmission scheme results in an estimated gain of up to 4.5 dB in received irradiance.
    Original languageEnglish
    Pages (from-to)499 - 506
    Number of pages8
    JournalIET Communications
    Volume6
    Issue number5
    DOIs
    Publication statusPublished - Mar 2012

    Fingerprint

    Atmospheric turbulence
    Optical links
    Binary phase shift keying
    Optical communication
    Fading channels
    Telecommunication links
    Time delay

    Keywords

    • binary phase shift keying
    • atmospheric turbulence

    Cite this

    Popoola, W. O., Ghassemlooy , Z., Haas, H., Leitgeb, E., & Ahmadi, V. (2012). Error performance of terrestrial free space optical links with subcarrier time diversity. IET Communications, 6(5), 499 - 506 . https://doi.org/10.1049/iet-com.2011.0107
    Popoola, Wasiu O. ; Ghassemlooy , Zabih ; Haas, Harald ; Leitgeb, Erich ; Ahmadi, V. / Error performance of terrestrial free space optical links with subcarrier time diversity. In: IET Communications. 2012 ; Vol. 6, No. 5. pp. 499 - 506 .
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    Popoola, WO, Ghassemlooy , Z, Haas, H, Leitgeb, E & Ahmadi, V 2012, 'Error performance of terrestrial free space optical links with subcarrier time diversity', IET Communications, vol. 6, no. 5, pp. 499 - 506 . https://doi.org/10.1049/iet-com.2011.0107

    Error performance of terrestrial free space optical links with subcarrier time diversity. / Popoola, Wasiu O.; Ghassemlooy , Zabih; Haas, Harald; Leitgeb, Erich; Ahmadi, V.

    In: IET Communications, Vol. 6, No. 5, 03.2012, p. 499 - 506 .

    Research output: Contribution to journalArticle

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    T1 - Error performance of terrestrial free space optical links with subcarrier time diversity

    AU - Popoola, Wasiu O.

    AU - Ghassemlooy , Zabih

    AU - Haas, Harald

    AU - Leitgeb, Erich

    AU - Ahmadi, V.

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    AB - In this work, the performance of binary phase shift keying (BPSK) subcarrier intensity-modulated terrestrial free-space optical (FSO) communication link is analysed in the presence of noise and atmospheric turbulence. To ameliorate channel fading caused by the atmospheric turbulence, we propose a subcarrier time delay diversity (STDD) scheme in which the delayed versions of the original data are re-transmitted on different subcarriers. In short range links, a single re-transmission scheme results in an estimated gain of up to 4.5 dB in received irradiance.

    KW - binary phase shift keying

    KW - atmospheric turbulence

    U2 - 10.1049/iet-com.2011.0107

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