Impedance and quality factor of mutually coupled multiport antennas

Johan C.-E. Sten (Corresponding Author), Mervi Hirvonen

    Research output: Contribution to journalArticleScientificpeer-review

    Abstract

    In this study, expressions for the radiation quality factor Q and the input impedance seen at any terminal of a multiport antenna are derived. It is shown computationally that because of the possibility to adjust the antenna current distribution through suitable feeding/loading a multiport antenna can perform lower Qs than a similar single‐port antenna.
    Original languageEnglish
    Pages (from-to)2034-2039
    Number of pages6
    JournalMicrowave and Optical Technology Letters
    Volume50
    Issue number8
    DOIs
    Publication statusPublished - 2008
    MoE publication typeA1 Journal article-refereed

    Keywords

    • multiport antenna
    • quality factor
    • mutual coupling
    • impedance matrix
    • input impedance

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