Abstract
A Hexagon-Slotted Circular Fractal Antenna (HSCFA) is demonstrated in this paper. The design of HSCFA is done on FR4 glass epoxy substrate which has thickness of 1.59 mm and relative permittivity of 4.4. Different iterations of HSCFA are performed to improve performance parameters such as radiation pattern, Return Losses (RL), VSWR, Gain (G), etc. Size of the proposed antenna is reduced with the increase in number of iterations. Proposed antenna has return loss of −25.20 dB along with gain of 7.89 dB at the frequency of 6.89 GHz. Coaxial feed technique has been used in feeding the antenna. Antenna size has been reduced than the reference circular antenna. The antenna covers C band for its applications by applying fractal shape in the antenna geometry. The simulation results of antenna are calculated using Ansoft HFSS (high frequency structure simulator) software developed by Ansys Inc. Proposed antenna is fabricated on FR4 substrate material and measured results are calculated experimentally [1]. Simulated and experimental results are good agreement with each other.
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