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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2013-04-08
Miniaturized Crossed-Dipole Circularly Polarized Fractal Antenna
By
Guo Liu,

    Dr. Guo Liu

    School of Science

    Xidian University

    China

    Homepage

Liang Xu,

    Dr. Liang Xu

    School of Science

    Xidian University

    China

    Homepage

Zhen-Sen Wu

    Prof. Zhen-Sen Wu

    School of Science

    Xidian University

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 39, 49-62, 2013
doi:10.2528/PIERL13020507 | Google Scholar

Abstract
A miniaturized crossed-dipole fractal antenna with circular polarization is presented in this letter. The radiating elements of the antenna were built as the Koch curve, and the antenna was mounted on a specially designed ground plane. Furthermore, the influence of fractal dimension to bandwidth and axial ratio of fractal antenna is also experimentally studied. The bandwidth of the VSWR≤ 1.5:1 within 3dB axial ratio for the fractal antenna is about 5.98%. The measured results show that the proposed fractal antennas have good circular polarization property, efficiency and 23.4-33.5% size reduction comparing with the conventional crossed-dipole antenna. The tested results are in good agreement with that of the simulations.
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Citation
Guo Liu, Liang Xu, and Zhen-Sen Wu, "Miniaturized Crossed-Dipole Circularly Polarized Fractal Antenna," Progress In Electromagnetics Research Letters, Vol. 39, 49-62, 2013.
doi:10.2528/PIERL13020507
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