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The following chapter describes and discusses the suitability of ant colony optimization (ACO) to an employment with blind adaptation of the directional characteristic of antenna array systems. Due to the special advantage of the ACOs their robustness and high adaptation rate - this very young heuristically optimization strategy allows its application in the field of high radio frequency systems. In order to fulfil the hard real time constraints for beam forming in ranges of few milliseconds a very efficient hardware implementation for a highly parallel distributed logic is proposed in this chapter. The application requirements are given because of the high mobility of wireless subscribers in modern telecommunication networks. Such a dynamic alignment of the directional characteristic of a base-station antenna can be achieved with the help of a hardware based Ant Colony Optimization, by controlling the steerable antenna array system parameters as digital phase shifts and amplitude adjustment. By means of extensive simulations it was confirmed that the suggested ACO fulfils the requirements regarding the highly dynamic changes of the environment. Based on these results a concept is presented to integrate the optimizing procedure as high-parallel digital circuit structure in a customized integrated circuit of a reconfigurable gate array.
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