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International Journal of Antennas and Propagation
Volume 2008 (2008), Article ID 197849, 6 pages
Research Article

A Comparison of Genetic Programming with Genetic Algorithms for Wire Antenna Design

Department of Physics, University of Otago, P.O. Box 56, 9016 Dunedin, New Zealand

Received 21 October 2007; Accepted 18 March 2008

Academic Editor: Lance Griffiths

Copyright © 2008 P. J. Williams and T. C. A. Molteno. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This work compares the performance of genetic programming (GP) against traditional fixed-length genome GA approaches on the optimization of wire antenna designs. We describe the implementation of a GP electromagnetic optimization system for wire structures. The results are compared with the traditional GA approach. Although the dimensionality of the search space is much higher for GP than GA, we find that the GP approach gives better results than GA for the same computational effort. In addition, we find that a more expressive antenna structure grammar, dramatically, improves the performance of the GP approach.