Abstract
This paper investigates a modified inscribed square fractal antenna dedicated to wideband wireless applications. The proposed antenna consists of a fractal monopole radiator with a defected ground structure fabricated on a low-cost FR4 epoxy substrate. A prototype has been fabricated to verify the wide operating band of the proposed design (5 GHz-13.7 GHz). The simulated 2D radiation patterns exhibit omnidirectional characteristics throughout the wide operating band. The proposed design is having a dimension of 0.32λ × 0.21λ × 0.026λ(A represents the wavelength at the lowest cutoff frequency) and is found compact related to some recent designs. With the peak realized gain of 5.23 dBi, the proposed design can be suitable for ISM band, WLAN, X-band, and UWB applications.
Published Version
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