Abstract
A novel self-similar antenna for band-notched ultra- wideband (UWB) applications is proposed. The UWB performance is obtained by introducing a quasi-trapezoidal radiating patch and a self-similar ground plane. By etching two similar slots on the radiating patch, band-notched characteristic can be obtained. The measured results show that the antenna covers the band of UWB from 2.6 to 12.8GHz excluding the rejected bands from 3.3 to 3.6GHz and from 4.8 to 6.0GHz. In addition, the antenna exhibits nearly omni-directional radiation patterns and stable gains over the operating bands.
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