PENTAGONAL FRACTAL ANTENNA FOR UWB APPLICATIONS WITH BANDWIDTH ENHANCEMENT
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Abstract
This paper, presents design of microstrip patch antenna at frequencies 3.1to 10.6 GHz.Further by introducing fractal concept to the pentagonal-shaped microstrip antennais designed .The Ansoft HFSS finite element electromagnetic computer package was used to model, simulate and analyze pentagonal fractal antenna that operates atUWB frequencies.Fromspace-filling property of fractal geometry, this antenna gives lower resonant frequencies, it is found that as iteration and iteration factor increases, the resonant frequency of this patch antenna decreases. The material used for substrate is FR4 with relative permittivity of 4.4 and thickness is about 1.53 mm. Microstrip lineis used to feed the antenna. HFSS V13 software is used to design and simulate the proposed antenna.The results show that the proposed antenna offers good performance in multi band frequencies which is suitable for wirelesspoint to pointapplications.
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