International Journal of Antennas and Propagation / 2017 / Article / Fig 2

Research Article

Two-Dimensional DOA Estimation Using Arbitrary Arrays for Massive MIMO Systems

Figure 2

2D FDLS MUSIC spectrum for MIMO in different antenna configurations.
(a) 64 × 4 configuration
(b) 4 × 64 configuration
(c) 32 × 8 configuration
(d) 8 × 32 configuration
(e) 16 × 16 configuration

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