Waveguide-Based Antenna Arrays for 5G Networks

Figure 7

Characterization of the omnidirectional ring-based SWAA: simulation (dashed lines); measurements (continuous lines).

(a) Reflection coefficient

(b) Radiation pattern, in dBi, at 28.0 GHz in the xy-plane

(c) Radiation pattern, in dBi, at 28 GHz in the xz-plane

(d) Beam pointing simulation in the xz-plane

(e) Beam pointing measurement in the xz-plane