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Bandwidth Enhancement of Balanced Folded Loop Antenna Design for Mobile Handsets Using Genetic Algorithms
Zhou, Dawei Excell, Peter S.
Zhou, Dawei
Excell, Peter S.
Publication Date
2008
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Ā© 2008 PIERS. Reproduced in accordance with the publisher's self-archiving policy.
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Abstract
In this paper, a simple folded loop antenna (FLA) for handsets with relatively wide-
band impedance, designed and optimized using genetic algorithms (GA). The FLA dimensions
were optimized and evaluated using GA in collaboration with NEC-2 source code. Configuration of optimal FLA with excellent VSWR covering entirely the required GSM1800 frequency bands was found within the maximum generation. A prototype antenna was tested to verify and validate the GA-optimized antenna structure. The measured data have shown good agreement with predicted ones. Moreover, the capabilities of GA are shown as an eĀ±cient optimisation tool for
selecting globally optimal parameters to be used in simulations with an electromagnetic antenna design code, seeking convergence to designated specifications.
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Citation
Zhou, D., Abd-Alhameed, R.A. and Excell, P.S. (2008). Bandwidth Enhancement of Balanced Folded Loop Antenna Design for Mobile Handsets Using Genetic Algorithms. PIERS Online. Vol. 4, No. 1, pp. 136-139.
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Article