volume | PIER Journals

2013-11-05

A Wideband High-Gain Stacked Cylindrical Dielectric Resonator Antenna

Yongfeng Wang,

Dr. Yongfeng Wang

School of Electronics and information

Northwestern Polytechnic University

China

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Tayeb Denidni,

Professor Tayeb Denidni

INRS

Canada

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Qingsheng Zeng,

Dr. Qingsheng Zeng

Wireless Technologies Branch

Communications Research Centre Canada

Canada

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Gao Wei

Dr. Gao Wei

School of Electronic and Information

Northwestern Polytechnical University

China

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Progress In Electromagnetics Research Letters, Vol. 43, 155-163, 2013

doi:10.2528/PIERL13101006

Abstract

A new wideband and high-gain dielectric resonator antenna (DRA) is proposed. Three cylindrical dielectric resonators (DRs) with different materials and different sizes and a metallic cylinder are designed to obtain a wideband bandwidth and a high gain. The stacked structure provides a wideband bandwidth, and the cavity formed by the metallic cylinder provides a high gain. The measured results demonstrate that the proposed DRA has a wide bandwidth from 5.4 to 7.0 GHz with VSWR less than two and a gain around 11 dBi, covering the frequency range of 26%. The experimental and numerical results are discussed and compared with each other, showing a good agreement between them.

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Yongfeng Wang, Tayeb Denidni, Qingsheng Zeng, and Gao Wei, "A Wideband High-Gain Stacked Cylindrical Dielectric Resonator Antenna," Progress In Electromagnetics Research Letters, Vol. 43, 155-163, 2013.
doi:10.2528/PIERL13101006

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