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Design and optimization of a modified Sierpinski fractal antenna for broadband applications |
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| Affiliation: | 1. Lyallpur Khalsa College of Engineering, Jalandhar, India;2. Sant Longowal Institute of Engineering and Technology, Longowal, Sangrur, Punjab, India;1. Department of ECE, CT Institute of Engineering Management & Technology, Jalandhar, India;2. Department of ECE, Sant Longowal Institute of Engineering and Technology, Longowal, Sangrur, Punjab, India;1. Veltech Dr.RR & Dr.SR University, Chennai 600062, India;2. Pondicherry University, Pondicherry 605014, India |
| Abstract: |  Immense understanding of antenna designers illustrate that a general microstrip antenna demonstrate low efficiency. Various techniques have been adopted to improve the performance characteristics of microstrip antenna. This paper deals with the optimization of Sierpinski fractal antenna structure by utilizing the particle swarm optimization (PSO) and curve fitting method. The required data for optimization and fitting the curve has been obtained by varying different design parameters of the proposed antenna. Electromagnetic solver Ansoft HFSS 13.0 is used for generating the parametric data. The MATLAB curve fitting tool is referred for developing the equations which exhibits the relations between the parameters of proposed antenna design. Particle swarm optimization technique is then applied to find the optimum values of the design parameters for the bandwidth enhancement of proposed antenna. Curve fitting based optimized design represents the remarkable improvement in the bandwidth of conventional microstrip line fed Sierpinski fractal antenna for broadband applications. |
| Keywords: | Modified Sierpinski Broadband Curve fitting Particle swarm optimization |
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