A Novel MIMO Array with Reduced Mutual Coupling and Increased Degrees of Freedom

Figure 3

The MUSIC spectra of four different methods without mutual coupling. (a) The MUSIC spectra of ULA. (b) The MUSIC spectra of coprime arrays. (c) The MUSIC spectra of nested arrays. (d) The MUSIC spectra of super nested arrays.

(a)

(b)

(c)

(d)