Abstract
Abstract In this article, a simple design of stacked radiating system with enhanced gain, impedance bandwidth, and radiation efficiency for mobile base station application is presented. The proposed antenna consists of a driven patch with a semicircular parasitic patch printed on the bottom layer and five parasitic patches printed on the top layer. The driven patch is feed by a co-axial probe and both the layers are separated in air. The second layer has four truncated circular parasitic patches on one side and one circular patch on the other side to enhance the directive gain acts as a directive reflector. This staked system encompasses some prominent features such as wide bandwidth, good gain, low profile, better radiation efficiency simple design, and integration for the mobile base station. Meanwhile, this configuration exhibits a bandwidth of 2 GHz with the minimized volume is 0.75 λ0 × 0.75 λ0 × 0.08 λ0. Experimentally validated results have an average and peak gain of 10.7 and 12.7 dBi, impedance bandwidth of more than 30.7% for |S11| < −10 dB, and radiation efficiency of above 86%. The proposed stacked radiating system finds its applications in Wi-Fi, WLAN, Wi-Max, Indoor UWB, and Marine Radar applications.
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