An X-band gain-enhanced bidirectional antenna array using strip-loaded dielectric resonator operating in TE 3 δ 1 mode

A bidirectional dielectric resonator (DR) antenna array using back-to-back quasi-Yagi antenna configuration is proposed and implemented for the first time. The DR operating at higher-order TE 3 δ 1 mode is used as a magnetic dipole, applying for the driver of quasi-Yagi antenna. Due to the high-orde...

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Bibliographic Details
Published in:International journal of microwave and wireless technologies 2020-11, Vol.12 (9), p.915-921
Main Authors: Yang, Ling-Ling, Ke, Yan-Hui, Chen, Jian-Xin
Format: Article
Language:English
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Summary:A bidirectional dielectric resonator (DR) antenna array using back-to-back quasi-Yagi antenna configuration is proposed and implemented for the first time. The DR operating at higher-order TE 3 δ 1 mode is used as a magnetic dipole, applying for the driver of quasi-Yagi antenna. Due to the high-order mode employment, the antenna gain can be enhanced. By partially loading the metallic strip on the side wall of the DR, the gain can be further enhanced. In addition, a simple dual Marchand balun is constructed for feeding the two quasi-Yagi antennas directly for bidirectional radiation. To verify the design concept, a prototype operating at the X-band is fabricated and measured. Good agreement between the simulated and measured results can be observed.
ISSN:1759-0787
1759-0795
DOI:10.1017/S1759078720000306