volume | PIER Journals

Abstract

In this paper, a novel circular-hexagonal fractal antenna is investigated for super wide band applications. The proposed antenna is made of iterations of a hexagonal slot inside a circular metallic patch with a transmission line. A partial ground plane and asymmetrical patch toward the substrate are used for designing the antenna to achieve a super wide bandwidth ranging from 2.18 GHz to 44.5 GHz with bandwidth ratio 20.4 : 1. The impedance bandwidth and gain of the proposed antenna are improved than the recently reported antennas which make it appropriate for many wireless communications systems such as ISM, Wi-Fi, GPS, Bluetooth, WLAN and UWB. Details of the proposed antenna design are presented and discussed.

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Mr. Mohammad Ali Dorostkar

Prof. Mohammad Tariqul Islam

Prof. Rezaul Azim