PROPOSINGCYLINDRICAL HELIXCAL ANTENNA PATTERNS USING PARASITIC ELEMENTS FOR TPMS

Abstract: 78 | PDF: 67

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Author

  • Phan Trong Duc*, Hoang Dinh Thuyen, Nguyen Ba Tinh

Keywords:

helical antenna
parasitic element
impedance matching
voltage standing wave ratio
TPMS

Abstract

In this paper, the authors proposes cylindrical helical antenna structures with tiny size (about 0.01λ) combined with parasitic elements used in auto monitoring system of vapor pressure in automobile tires. With the proposed helical antenna structure, the author will replace currently used loop antennae with cylindrical helical antennae which have been studied. A new feature of the proposed antenna pattern is the use of smaller parasitic elements for impedance matching while improving the antenna gain coefficient of up to 2 dB. The author optimizes resonant structure and calculates parameters such as input impedance, gain coefficient, voltage standing wave ratio, the current distribution and the antenna radiation pattern when placing the antenna in the free space. The proposed antenna has a simple structure and is suitable for TPMS.

References

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    [7] http://www.feko.info
    [8] J. D. Kraus, “Antennas-Second Edition,” pp. 333-338, McGraw-Hill Book Company, 1988.
    [9] H. Nakano, N. Ikeda, Y. Y. Wu, R. Suzuki, H. Mimaki, and J. Yamauchi,“Realization of dual-frequency and wide-band VSWR performances usingnormal-mode helical and inverted-F antennas”, IEEE Trans. Antennas Propag,Vol. 46, no. 6, pp. 788-793, June 1998.
    [10] Y. W. Chow, E. K. N. Yung, and H. T. Hui, Dual frequency monopole -helical antenna by using a parasitic normal mode helix for mobile handset, in 2000 Asia Pacific Microwave Conference, Sydney, Australia, December 2000, pp.183–187.
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Published

Nov 30, 2016
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How to Cite
Phan Trong Duc*, Hoang Dinh Thuyen, Nguyen Ba Tinh. “PROPOSINGCYLINDRICAL HELIXCAL ANTENNA PATTERNS USING PARASITIC ELEMENTS FOR TPMS”. The University of Danang - Journal of Science and Technology, vol. 11, no. 108.1, Nov. 2016, pp. 11-14, https://jst-ud.vn/jst-ud/article/view/2201.

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