Precise-Orientation-Beamforming Scheme for Wireless Communications between Buoys

Figure 5

The beam pattern before and after beamforming: (a) and (b) are before beamforming and (c) and (d) are after beamforming.

(a) Azimuth angle (degrees)

(b) Elevation angle (degrees)

(c) Azimuth angle (degrees)

(d) Elevation angle (degrees)