Design and Analysis of UWB Circular Patch Antenna Using Microstrip Line 


Vol. 40,  No. 5, pp. 938-943, May  2015


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  Abstract

The proposed circular patch antenna was designed to include relative bandwidth of above 25% as designed by the FCC in the FCC in the 3.1 ∼ 10.6 ㎓ band. The antenna was induced to have a wide band characteristic through two structures of the usual microstrip line and a microstrip line with a linear change in impedance. The proposed finally antenna was designed using an FR4_epoxy substrate with 4.7% permittivity, 0.02 of loss tangent, and 1.6 ㎜ of thickness, and was simulated with the use of HFSS made by Ansys. Return loss at frequency, VSWR, radiation pattern and the gain of the antenna were analysed. As a result, if satisfied a return loss of -10 ㏈ and VSWR≤2 from 2.28 ∼ 13.35 ㎓, showing about the bandwidth of 11.89 ㎓, and the radiation pattern was unidirectional in all bands. The antenna gain gradually increased from 2 ∼ 8 ㎓ and had the highest gain of 7.92 ㏈i at 8 ㎓. and the gain gradually decreased in the 9 ∼ 12 ㎓ band.

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  Cite this article

[IEEE Style]

J. Kim, S. Kim, J. Park, M. Jeong, K. W. Park, D. Choi, "Design and Analysis of UWB Circular Patch Antenna Using Microstrip Line," The Journal of Korean Institute of Communications and Information Sciences, vol. 40, no. 5, pp. 938-943, 2015. DOI: .

[ACM Style]

Jin-ju Kim, Sun-Woong Kim, Jung-jin Park, Min-A Jeong, Kyung Woo Park, and Dong-you Choi. 2015. Design and Analysis of UWB Circular Patch Antenna Using Microstrip Line. The Journal of Korean Institute of Communications and Information Sciences, 40, 5, (2015), 938-943. DOI: .

[KICS Style]

Jin-ju Kim, Sun-Woong Kim, Jung-jin Park, Min-A Jeong, Kyung Woo Park, Dong-you Choi, "Design and Analysis of UWB Circular Patch Antenna Using Microstrip Line," The Journal of Korean Institute of Communications and Information Sciences, vol. 40, no. 5, pp. 938-943, 5. 2015.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880