Design of Low-Complexity Hybrid Precoder and Inkjet-Printed Antenna Array for Massive MIMO Downlink Systems

<div>(a) 2D model of gain radiation pattern of the 128-antenna array at phi = 0 deg. (b) 2D model of gain radiation pattern of the 128-antenna array at phi = 90 deg.</div>

International Journal of Antennas and Propagation

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Figure 7

Figure 7: Design of Low-Complexity Hybrid Precoder and Inkjet-Printed Antenna Array for Massive MIMO Downlink Systems 