Abstract
In this paper,the design of hybrid semi-circular U-slot loaded rectangular microstrip antenna (HSURMSA) designing for dualwideband operation is presented. The antenna is printed on a low-cost FR-4 substrate. The proposed antenna covers 1.224 to 4.8918 GHz, which covers forGPS (1.6GHz), WiMAX (3.5/5.5 GHz) and WLAN (2.4/5.2/5.8 GHz) operating bands respectively. This antenna is developed from the combination of both rectangular and circular radiating patch overlapped together and results into a hybrid U-shape model. The proposed antenna has a compact size of 40×60×1.6 mm3 including partial truncated ground plane on the bottom side of the dielectric material. The obtained dual-band operation of the antenna is mainly controlled by the dimension of Ushape slot etched at Centre of the radiating patch. The comparisons of simulated and measured results are discussed in this paper and the simulated result shows a good agreement with measured one.
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