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A novel band-notched elliptical slot antenna is presented for ultra-wideband (UWB) applications. The proposed antenna is fed via a microstrip-line that is connected to an elliptical shaped patch which incorporates an inverted-U slot. The inverted-U slot behaves like a band reject network designed to eliminate 5.15–5.825 GHz band-limited by IEEE 802.11a and HIPERLAN/2. Effects of varying the inverted-U shaped slot parameters on the antenna's performance show that notch band can be finely tuned. The antenna with optimal parameters was realized and its performance measured. The antenna was fabricated on a RT/duroid 6006 that has a thickness of 1.27 mm and a relative permittivity of 6.15. The size of the actual antenna is 50 × 50 mm2. The radiation characteristics of the proposed antenna satisfy UWB system requirements.
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Naser‐Moghadasi et al. (2010) studied this question.
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