Direction of arrival 2 Direction of arrival estimation 2 Directionof-arrival (DOA) Accuracy enhancement 1 Adaptive algorithms 1 Adaptive beam-forming 1 Array processing 1 Array signal processing 1 B5G mobile communication 1 Beamforming 1 Computer hardware 1 Covariance matrices 1 Covariance matrix 1 Covariance matrix regularization 1 Direction-of-arrival (DOA) mismatch correction 1 Direction-of-arrival estimation 1 Direction-of-arrival mismatch correction 1 Estimation 1 Interference 1 Loaded cavity 1 Machine learning 1 Millimeter waves 1 Mismatch correction 1 Mixing 1 Mixing mechanisms 1 Mobile communications 1 Mode mixing 1 Multiobjective optimization 1 Network layers 1 Numerical methods 1