Abstract
AbstractIn this paper, the effect of dielectric constant value and the thickness of substrate material on the performance of an inset feed semi-circular slot compact microstrip antenna for 10 GHz mobile communication, alike satellite and terrestrial applications, is reported. The performance analysis of the compact antenna achieves a resonance frequency of 9.52 GHz at reflection coefficient of −22.14 dB, voltage standing wave ratio of value 1.72, and a gain 4.9 dB. Y parameter, group delay, and directivity are also part of the analysis. The bending of electric flux lines near at the edge of patch toward ground is fringing effect. Fringing effect plays a key role in the designing of antenna as it is function of radiating patch dimension. Fringing effect on antenna’s performance due to varying dielectric constant and substrate thickness has been studied, and result parameters of antenna like S11, VSWR, 2D radiation pattern, and 3D polar plot due to variation of substrate thickness and dielectric constant have been obtained. Fringing field is enhanced due to increasing substrate height and due to decreasing substrate dielectric constants. The design, simulation, result parameters determination, and variations are done on HFSS.KeywordsS11VSWRFringing effectMicrostrip antennaHFSSDirectivity
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