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Uni-Planar Elliptical UWB Antenna with Band-Notched Characteristic and Modified Ground Plane  

Park Gil-Young (School of Electrical & Computer Engineering, Chungbuk National University)
Shin Ho-Sub (School of Electronic & Information Engineering, Kunsan National University)
Oh Byoung-Cheol (School of Electrical & Computer Engineering, Chungbuk National University)
Kim Nam (School of Electrical & Computer Engineering, Chungbuk National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.16, no.12, 2005 , pp. 1194-1205 More about this Journal
Abstract
This paper proposes a uni-planar elliptical element UWB antenna with band-notched characteristic and modified pound plane fed by CPW. The antenna achieves VSWR below 2 for UWB band(3.1 GHz${\~}$10.6 GHz). In addition, a band-notched characteristic is achieved by inserting a horizontal slot on the radiation element to avoid the interference with 5 GHz(5.15 GHz${\~}$5.825 GHz) band limited by IEEE 802.1la. The antenna has a thin profile, compact size, and ease of manufacture by adopting a CPW feed structure without any additional background plane. Measured data show that the proposed antenna has good return loss below -10 dB, about 2.1 dB${\~}$4.75 dB maximum gain over the bandwidth, omni-directional radiation patterns, linear phase response.
Keywords
UWB(Ultra Wideband); CPW(Co-Planar Waveguide); Band-Notched;
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