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

<div>(a) Single Z-shaped CPW monopole antenna. (b) Array of 128 Z-shaped CPW monopole elements.</div>

International Journal of Antennas and Propagation

Figure 5: Design of Low-Complexity Hybrid Precoder and Inkjet-Printed Antenna Array for Massive MIMO Downlink Systems 