Abstract
In this article, a compact octagonal-shaped UWB antenna with Minkowski fractal-shaped notch and a dual C-shaped notch is presented. The Minkowski fractal helps to obtain band rejection at WiMAX (3.4–3.7 GHz) band, whereas dual C-shaped notch on either side of feed line provides the band rejection at WLAN (5.15–5.825 GHz) band. Moreover, a rectangular slot is also inserted in the ground plane, which helps to obtain the desired UWB bandwidth. The proposed antenna has the compact size of 26 × 16.5 mm2. The proposed antenna shows proper impedance matching, stable radiation pattern with good antenna gain (2–5 dBi) over the entire UWB frequency range. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:551–556, 2015
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