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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2010-08-16
Wideband Rectangular Dielectric Resonator Antenna (DRA) with Slot-Fed Design
By
Zibin Weng,

    Professor Zibin Weng

    Xidian University

    China

    Homepage

Xiao-Ming Wang,

    Dr. Xiao-Ming Wang

    National Key Laboratory of Antennas and Microwave Technology

    Xidian University

    China

    Homepage

Yong-Chang Jiao,

    Dr. Yong-Chang Jiao

    Xidian University

    China

    Homepage

Fu-Shun Zhang

    Dr. Fu-Shun Zhang

    Xidian University

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 16, 181-190, 2010
doi:10.2528/PIERL10061101 | Google Scholar

Abstract
A novel wideband rectangular dielectric resonator antenna (DRA) is proposed in this paper. A hybrid structure with an isolated dielectric resonator (DR) and an equivalent air-dielectric DR is introduced by lifting the resonator from the ground plane. The hybrid structure is excited by a slot-fed mechanism to obtain a smooth transition between each resonant mode. The resonant modes of the isolated DR and the equivalent DR are merged together to form a wideband impedance bandwidth. It is found that the bandwidth of the proposed antenna can be greatly enhanced by using the hybrid DRA structure instead of the case mounted on the ground plane. A detailed parametric study is carried out to analyze the characteristics of the proposed antenna. Measured results show that the proposed DRA has a 10 dB impedance bandwidth of 61% from 2.4 GHz to 4.5 GHz and the radiation pattern is stable through the operating frequency.
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Citation
Zibin Weng, Xiao-Ming Wang, Yong-Chang Jiao, and Fu-Shun Zhang, "Wideband Rectangular Dielectric Resonator Antenna (DRA) with Slot-Fed Design," Progress In Electromagnetics Research Letters, Vol. 16, 181-190, 2010.
doi:10.2528/PIERL10061101
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