A circular wide-slot UWB antenna with dual band- notched characteristics is proposed in this paper. The microstrip- fed antenna consists of a calabash-shaped feeding patch and a metal ground with a circular slot etched. Dual band-notched characteristics are achieved by introducing arc-shaped parasitic strip and slot etched on the ground plane. According to the measured results, the proposed antenna can operate at the range of 2.91{11.45GHz with VSWR < 2 for UWB applications, except the notched bands of 3.38{3.71GHz and 5.39{6.27GHz for the 3.5GHz WiMAX and 5.8GHz WLAN, respectively.
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Yang et al. (2011) studied this question.
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