A clonal selection algorithm for array pattern nulling by controlling the positions of selected elements

Abstract

In this paper, a method based on clonal selection algorithm (CLONALG) is proposed for null steering of linear antenna arrays by controlling only the positions of selectedelemen ts. The CLONALG is a relatively novel population-basedev olutionary algorithm inspiredb y the clonal selection principle of the human immune system. In order to illustrate the accuracy and flexibility of the proposedalgorithm, several numerical examples of Chebyshev pattern with the single andd ouble nulls imposedat the directions of interference are given.