Affiliation:
1. University of Boumerdes, Algeria
Abstract
Antenna arrays are considered as important type used in today's long-distance communication. The design of such antenna depends on parameters and desired behavior performing the task. This chapter deals with the application of a new type of nature-inspired global optimization methodology in the design of an optimized planar antenna array which ensures minimum side lobes and high directivity, this new optimization method is Spiral optimization technique which is a population based iterative heuristic global optimization algorithm technique for multi-dimensional and multi-modal problems with the potential to implement constraints on the search domain. The optimization task results in a good suppression of the side lobe level for the different antenna configurations with several sorts of excitation: Amplitude only, phase only, both amplitude and phase. Besides, the directivity is not worse than that of the conventional uniform one.
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