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It is well-known that the MUSIC method for DoA estimation degrades when the number of samples N and the array dimension M are large and of the same order of magnitude. In this context, several improvements have been proposed, among which the G-MUSIC method, which was shown to be consistent in the asymptotic regime where M, N converge to infinity at the same rate, and under an additional separation condition between noise and signal subspaces of the SCM. Nevertheless, this subspace separationdoi:10.1109/sam.2014.6882444 dblp:conf/ieeesam/ValletMLC14 fatcat:s4pdjq6uvzdd7gjvf6awwrxmwu