Abstract
This paper presents a software-based design of an ultra-wideband slot antenna that is applicable for wireless applications. Due to introduction of polygonal wide slot in the ground plane, the ultra-wideband has been achieved. The battery slot and rectangular shapes are implemented to improve S11, operating bandwidth range and radiation pattern of antenna. The optimal dimensions of the presented antenna are 45mm × 45mm × 1.565mm and is simulated on FR-4 substrate with relative permittivity of 4.3 and loss tangent of 0.025. The proposed antenna shows wide impedance bandwidth of 4.56GHz (104%) ranging0 from 2.08GHz to 6.64GHz that covers WLAN and WIMAX application.
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