Fig. 2From: Robust full-dimension MIMO transmission based on limited feedback angular-domain CSITRadiation beam pattern obtained with non-robust leakage-bounded angular beamforming (left) and with robust leakage-bounded angular beamforming (right). The nine angular uncertainty regions of robust leakage-bounded angular beamforming have a width of ψmax=±1.6° in this exampleBack to article page