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Article type: Research Article
Authors: Rani, Shwetaa; * | Singh, A.P.a
Affiliations: [a] Sant Longowal Institute of Engineering and Technology, Longowal, Sangrur, Punjab, India
Correspondence: [*] Corresponding author: Shweta Rani, Sant Longowal Institute of Engineering and Technology, Longowal, Sangrur, Punjab, India. E-mail: shwetaranee@gmail.com
Abstract: In this paper the proposed structure is based on a modified planar Koch curve antenna, whose geometrical parameters are determined by iterative function system algorithm for fractal curve generation. Compared with conventional antenna with same dimensions, modified Koch curve antenna provides additional frequency resonances. The asymmetrical ground plane has been optimized by means of bacterial foraging optimization (BFO) to make the proposed antenna feasible for wide band operation. In addition to miniaturization of about 40%, the optimized reference ground plane provides multi and ultra-wide band with high impedance matching throughout the frequency bands covering various wireless telemedicine applications. In order to assess the reliability of the antenna, measurements have been performed on the fabricated prototype and the obtained results shows good agreement with simulated results.
Keywords: BFO, fractal antenna, ground plane
DOI: 10.3233/JAE-131662
Journal: International Journal of Applied Electromagnetics and Mechanics, vol. 42, no. 2, pp. 259-267, 2013
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