Multiple fractal-shaped slots-based UWB antenna with triple-band notch functionality

Abhik Gorai, Anirban Karmakar, Manimala Pal and Rowdra Ghatak

Journal of Electromagnetic Waves and Applications, 2013, vol. 27, issue 18, 2407-2415

Abstract: A planar elliptical shape band-notched UWB antenna with multiple fractal-shaped slots and a Sierpinski fractal curve-shaped ring resonator at the back of the substrate is introduced in this paper. The proposed antenna exhibits a triple-band notch characteristic. Koch fractal slot etched from the radiator is responsible for creating notched band centred at 5.5 GHz for wireless local area network rejection. The Minkowski fractal slots in the ground planes create rejection characteristics at 8.1 GHz to avoid interference with X-band uplink satellite communication systems. The RFID rejection band centred at 6.8 GHz is achieved by using a Sierpinski fractal curve-shaped ring resonator at the back of the substrate. Sierpinski fractal slot of third iteration on the radiator contributes to an impedance bandwidth of 2.8–12 GHz with VSWR

Date: 2013
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DOI: 10.1080/09205071.2013.852486

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