2D DOA estimation with propagator method for correlated sources under unknown sy

Thispaperemploysthepropagatormethod(PM)tofindthetwo-dimensional(2-D)directionofarrivalangles(DOAs).Alsotheproposedalgorithmcanbeappliedtothesituationwhentheincidentsourcesaremixedeitherwithuncorrelatedorfullycorrelated(coherent)sources.ThispaperassumesasymmetricToeplitzcovariancematrix