effective_rank.m

Subspace Projection Based Blind Channel Order Estimation of MIMO Systems m file for a classical

function e_rank = effective_rank(Mat)

Row_Mat = size(Mat,1);
r = 1;
e_rank = 1;
for count = 1:Row_Mat-1
    r_new = Mat(count,count)/Mat(count+1,count+1);
    if r <= r_new
        r = r_new;
        e_rank = count;
    end
end