progress in electromagnetics research pier 59 251 265 2006 interferencesupressionofthelinear antennaarrayscontrolledbyphasewith useofsqpalgorithm m mouhamadou ircom electromagnetism and antenna team university of limoges 123 avenue albert thomas 87060 france p armand laco opt vaudon rammal lebanese radiocom iut saida liban abstract the performance mobile cellular radio networks is limited by level cochannel interference that can be tolerated use antennas arrays very helpful enhancing capacity wireless communication system this paper presents a method for pattern synthesis suppress multiple interfering narrow or wide band signals while receiving desired signal controlling only phase excitation phases are computed using sequential quadratic programming sqp technique transforms nonlinear minimization maximization problem to sequence subproblems based on approximation lagrangian function 252 et al 1 introduction network depends number telephone subscribers owner serve at his station carrier sector with multiplication
