Abstract
Abstract: Modern telecommunication systems require antenna with wider bandwidth and smaller dimensions. Various antennas for wideband operation have been studied for communication and radar system. The fractal antennas are preferred due to small size, light weight and easy installation. In this paper a parabolic planer monopole antenna using the Koch based fractal geometry is introduced for multiband operation. The design achieves a good input impedance match and linear phase of S11 throughout the pass band (1—3.5 GHz and -10dB criterion for impedance bandwidth). The use of fractal pattern in this paper provides a simple and efficient method for obtaining the compactness. Various bands are 1.2GHz and 2.3 GHz. The antenna has a promising peak gain of 5.3 dBi with 5.5 dBi directivity in pass band. The pass band has VSWR in between 1 and 2. The proposed antenna has enormous high bandwidth (1.124GHz) that suits the many wireless applications like WLAN, Bluetooth, analog radio and GPS system and it can also be used for microwave devices communication.
Published Version
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