Abstract
ABSTRACTIn this paper, a simple and compact UWB (ultra wideband) antenna with band-notched characteristic is proposed. The antenna operates from 3.1 to 11 GHz covering the entire UWB band (3.1–10.6 GHz) and rejects the 5.15–5.825-GHz frequency band, which is limited by IEEE 802.11a standard. The proposed antenna has a small size of 29 × 33 mm2 and is designed on an FR4 substrate with permittivity (εr) 4.5 having a thickness of 1.52 mm. A parametric study is presented to understand the resonant behaviour and its dependence on various dimensions of the antenna. The antenna is fabricated with the optimised parameters taken from the parametric study and a good agreement between the simulated and measured values is observed.
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