Using GAs to obtain an optimal set of codes for an ultrasonic local positioning system

Authors:
Fernando J. Álvarez-Franco;Horacio M. González-Velasco;Carlos J. García-Orellana;Miguel Macías-Macías;Ramón Gallardo-Caballero
Affiliations:
CAPI Research Group, University of Extremadura, Polytechnic School, Cáceres, Spain;CAPI Research Group, University of Extremadura, Polytechnic School, Cáceres, Spain;CAPI Research Group, University of Extremadura, Polytechnic School, Cáceres, Spain;CAPI Research Group, University of Extremadura, Polytechnic School, Cáceres, Spain;CAPI Research Group, University of Extremadura, Polytechnic School, Cáceres, Spain
Venue:
EUROCAST'07 Proceedings of the 11th international conference on Computer aided systems theory
Year:
2007

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Abstract

Signal coding and pulse compression techniques have been recently introduced in Local Positioning Systems as a means to enhance the measurement precision of these systems and to increase their operation frequency. This work presents a Genetic Algorithm that performs the search for an optimal family of binary codes, to be used in a system based on ultrasonic technology. The developed algorithm takes into account the transduction effect of the emitters on the correlation properties of the modulated family to obtain a set of codes that exhibits a superior performance than other families previously used.