Abstract
An investigation into the design of Giuseppe Peano fractal patch antenna and reactive impedance surface (RIS) is presented in this study. We investigate the properties and possibilities of application of RIS-based Giuseppe Peano fractal geometry for the antenna miniaturization, bandwidth increment, gain improvement, resonance frequency decrement and return loss decrement of microstrip patch antennas and compare its performance with those of the simple rectangular antenna. RIS has been realized using two-dimensional metallic patches printed on a metal-grounded substrate. The fractal antenna not only has a large effective length, but the contours of its shape can generate a capacitance or inductance that can help to match the antenna to the circuit. RIS is equal to the parallel combination of inductor and capacitor. RIS increases the equivalent value of inductor and capacitor; hence, the resonance frequency decrease, bandwidth increase and antenna radiation performance improved significantly.
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