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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2022-08-26
A Circular Quasi-Isotropic Dielectric Resonator Antenna for Bluetooth
By
Bo Chen,

    Dr. Bo Chen

    Department of Information Engineering

    East China Jiaotong University

    China

    Homepage

Yueyuan Zhang,

    Dr. Yueyuan Zhang

    School of Information Engineering

    East China Jiaotong Unviersity

    China

    Homepage

Beibei Xing,

    Dr. Beibei Xing

    East China Jiaotong University

    China

    Homepage

Dan Tang

    Dr. Dan Tang

    Department of Information Engineering

    Jiangxi Biotech Vocational College

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 106, 49-55, 2022
doi:10.2528/PIERL22042002 | Google Scholar

Abstract
A quasi-isotropic dielectric resonator antenna (DRA) is proposed under the 5.8 GHz industrial, scientific, and medical (ISM) standard. The antenna consists of a hollow cylinder and and a coaxial probe which feeds electricity. By digging a large hole in the cylindrical dielectric resonator, the HEM11δ mode and the TM10 mode of the floor are excited, the two modes are orthogonal, and the radiation characteristics are equivalent to orthogonal magnetic dipoles and electric dipoles, so as to achieve quasi-isotropic radiation characteristics. The large hole can also reserve space for other electronic components for Bluetooth devices with small space, such as capsule endoscope, mobile phone and Bluetooth headset. The characteristics of the antenna are simulated and analyzed by HFSS, and the optimized antenna structure parameters are obtained. The antenna is made for experimental testing. The measured results demonstrate that the antenna exhibits a good -10 dB-impedance bandwidth at 5.38-5.68 GHz and has the characteristics of miniaturization, quasi-isotropy, and high gain.
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Citation
Bo Chen, Yueyuan Zhang, Beibei Xing, and Dan Tang, "A Circular Quasi-Isotropic Dielectric Resonator Antenna for Bluetooth," Progress In Electromagnetics Research Letters, Vol. 106, 49-55, 2022.
doi:10.2528/PIERL22042002
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