A Wide Band Tetra resonant Kotch Fractal Antenna with Slots for Wireless applications

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Dr. R. Gayathri Rajaraman

Abstract

The design of a tetra band resonant antenna using Koch iteration is presented in this paper. The concept is a fusion technology involving fractal antenna with slots on the radiating patch. Four bands of resonances are optimized by using an FEM based simulator. Koch Fractals are simulated up to iteration two. Circular slots and triangular slots are also etched on the patch to freeze the required spectras. The designed antenna resonates at 2.61, 6.25, 8.21, 14.58 GHz. The gains are found to be adequate in all the bands with Omnidirectional Patterns.

Keywords: Microstrip Patch Antenna, Fractal Antennas, Linear Polarization, Wireless Applications

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