Broadbeam Cylindrical Dielectric Resonator Antenna

Syeda H. H. Mashhadi; Yong-Chang Jiao; Jingdong Chen

doi:10.1109/ACCESS.2019.2930298

IEEE Access (Jan 2019)

Broadbeam Cylindrical Dielectric Resonator Antenna

Syeda H. H. Mashhadi,
Yong-Chang Jiao,
Jingdong Chen

Affiliations

Syeda H. H. Mashhadi: ORCiD; Center of Intelligent Acoustics and Immersive Communications, Northwestern Polytechnical University, Xi’an, China
Yong-Chang Jiao: National Key Laboratory of Antennas and Microwave Technology, Xidian University, Xi’an, China
Jingdong Chen: Center of Intelligent Acoustics and Immersive Communications, Northwestern Polytechnical University, Xi’an, China

DOI: https://doi.org/10.1109/ACCESS.2019.2930298
Journal volume & issue: Vol. 7
pp. 112653 – 112661

Abstract

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A novel widebeam aperture-coupled cylindrical dielectric resonator antenna is proposed, which consists of multi-layered cylindrical ceramic disks joined together to achieve the required height. The proposed antenna is fed by wide aperture slot, which, along with optimum dielectric resonator height, excites fundamental and high order hybrid modes inside the DR to achieve wide beamwidths in the two principal planes simultaneously. Then, a new frequency, which is called the limited frequency and denoted as fL, is defined. Based on fL, dimensions of the wide slot are determined. Finally, the antenna is manufactured and measured. Its operating frequency band ranges from 5.49 GHz to 7.2 GHz. The antenna yields broadbeam in the frequency band from 6.1 to 6.7 GHz and achieves a 3-dB beamwidth from 124° to 149° in the E-plane and from 112° to 126° in the H-plane.

Published in IEEE Access

ISSN: 2169-3536 (Online)
Publisher: IEEE
Country of publisher: United States
LCC subjects: Technology: Electrical engineering. Electronics. Nuclear engineering
Website: https://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=6287639

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