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http://dx.doi.org/10.5515/KJKIEES.2007.18.3.305

Sectorial Form UWB Antenna with a CPW-fed Uni-Planar  

Kim, Nam (Division of Information & Communication, Chungbuk National University)
Son, Gui-Bum (Lattron)
Park, Sang-Myeong (Division of Information & Communication, Chungbuk National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.18, no.3, 2007 , pp. 305-314 More about this Journal
Abstract
In this paper, we suggested a CPW-fed UWB antenna with uni-planar sectoral structure. The area where radiation device face ground is designed to have the shape of tapered slot based on exponential function. We modified a rectangular bow-tie dipole structure antenna and thus formed a multi-resonant mode. From this, we expanded the impedance bandwidth and made a feature satisfying VSWR of less than 2 between $3.1\sim10.6GHz$. The test result showed that the return loss less than -10 dB was met in the full-band UWB system and maximum gain of $0.9\sim3.1dB$ was made with the half-power beamwidth of $40.1\sim89.9^{\circ}$ on XY plane(Theta, $Phi=90^{\circ}$) and the full band. By using CPW-fed structure with no ground on the back of the substrate, the suggested antenna is easy to design and its miniaturization is also possible.
Keywords
UWB(Ultra Wideband); CPW(Coplanar Waveguide);
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
연도 인용수 순위
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