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

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Q factors
antennas
impedance
Antennas
current distribution
Radiation
radiation

Keywords

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

Cite this

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Impedance and quality factor of mutually coupled multiport antennas. / Sten, Johan C.-E. (Corresponding Author); Hirvonen, Mervi.

In: Microwave and Optical Technology Letters, Vol. 50, No. 8, 2008, p. 2034-2039.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Sten, Johan C.-E.

AU - Hirvonen, Mervi

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AB - 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.

KW - multiport antenna

KW - quality factor

KW - mutual coupling

KW - impedance matrix

KW - input impedance

U2 - 10.1002/mop.23564

DO - 10.1002/mop.23564

M3 - Article

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JO - Microwave and Optical Technology Letters

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