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Demonstration of Radiation Efficiency Improvement of a Miniature Narrow Band Antenna

Abstract : This paper investigates two ways to improve the radiation efficiency of an electrically small antenna loaded by a capacitor. The first one consists in enlarging the antenna strip width in order to lower its loss resistance. The second one focus on optimizing the loading capacitor used to lower the resonant frequency by mixing a discrete and a coplanar twin strip capacitors. The two studied parameters have a strong impact on the radiation efficiency as the antenna is electrically small.
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François Sarrazin, Sylvain Pflaum, Christophe Delaveaud. Demonstration of Radiation Efficiency Improvement of a Miniature Narrow Band Antenna. 2018 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Jul 2018, Boston, United States. pp.1659-1660, ⟨10.1109/APUSNCURSINRSM.2018.8608973⟩. ⟨hal-02077891⟩

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