A. Elkorany, S. Elhalafawy, A. Radwan, S. Shahid, M. d'Amico, G. Gentili
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Design of stacked segmented ultra wide band antenna
In this paper, a novel wide band stacked segment microstrip patch antenna (MPA) with two layered RT/Duroid is proposed. Multi-layered stacked patches are designed with rectangular dimensions, and square slots are entrenched with first patch to excite them. A parametric study of dielectric thickness and stacked center is carried out to enhance the impedance bandwidth of the proposed antenna. The antenna performance has been characterized in terms of reflection coefficient (S11), peak gain and radiation characteristics. Among different cases, thickness and locations of stacked center resulted in an impedance bandwidth of 9.3 to 19 GHz. The peak gain varies of 3dB over the operating frequency range. The antenna was simulated using Ansys HFSS v13 (Finite element method) and CST MWS (Finite Integral Method). This stacked antenna can be a suitable candidate for a variety of modern wireless and broadband applications.
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