Realizing Optimal Current Distributions for Radiation Efficiency in Practical Antennas

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Journal Title

Journal ISSN

Volume Title

A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

Date

2020-05

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Mcode

Degree programme

Language

en

Pages

5
731-735

Series

IEEE Antennas and Wireless Propagation Letters, Volume 19, issue 5

Abstract

Modern antenna design is facing increasing issues with the radiation efficiency, since the space available for antennas is scarce and antennas are fitted into lossy environments. This letter presents a multiport antenna design method with a computationally efficient way to realize the port currents providing the highest radiation efficiency. In this method, an antenna is described with multiple excitation ports in electromagnetic simulations. The measurement results of an example design demonstrate the achieved benefit compared to traditional antenna design.

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Keywords

Current, far field, multiport antenna, radiation efficiency

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Citation

Kormilainen , R , Hannula , J M , Saarinen , T O , Lehtovuori , A & Viikari , V 2020 , ' Realizing Optimal Current Distributions for Radiation Efficiency in Practical Antennas ' , IEEE Antennas and Wireless Propagation Letters , vol. 19 , no. 5 , 9086649 , pp. 731-735 . https://doi.org/10.1109/LAWP.2020.2975668