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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2012-08-30
A Wideband Trapezoidal Dielectric Resonator Antenna with Circular Polarization
By
Shadi Danesh,

    Dr. Shadi Danesh

    Faculty of Electrical Engineering

    Universiti Teknologi Malaysia

    Malaysia

    Homepage

Sharul Kamal Abdul Rahim,

    Dr. Sharul Kamal Abdul Rahim

    Faculty of Electrical Engineering

    Universiti Teknologi Malaysia

    Malaysia

    Homepage

Mohsen Khalily

    Dr. Mohsen Khalily

    5G Innovation center

    University of Surrey

    UK

    Homepage

Progress In Electromagnetics Research Letters, Vol. 34, 91-100, 2012
doi:10.2528/PIERL12062505 | Google Scholar

Abstract
A new design of a circularly-polarized (CP) trapezoidal dielectric resonator antenna (DRA) for wideband wireless application is presented. A single-layered feed is used to excite the trapezoidal shaped dielectric resonator to increase resonant frequency and axial ratio. Besides its structure simplicity, ease of fabrication and low-cost, the proposed antenna features good measured impedance bandwidth, 87.3% at 4.21GHz to 10.72 GHz frequency bands. Moreover, the antenna also produces 3-dB axial ratio bandwidth of about 850 MHz from 5.13 GHz to 6 GHz. The overall size of DRA is 21 mm x 35 mm, which is suitable for mobile devices. Parametric study and measurement results are presented and discussed. Very good agreement is demonstrated between simulated and measured results.
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Citation
Shadi Danesh, Sharul Kamal Abdul Rahim, and Mohsen Khalily, "A Wideband Trapezoidal Dielectric Resonator Antenna with Circular Polarization," Progress In Electromagnetics Research Letters, Vol. 34, 91-100, 2012.
doi:10.2528/PIERL12062505
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