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Robust widely linear beamforming using estimation of extended covariance matrix and steering vector
2020
EURASIP Journal on Wireless Communications and Networking
The distribution of the received signals in many array processing applications is noncircular. Although optimal widely linear beamformer (WLB) can provide the best performance for noncircular received signals, its performance degrades severely under model mismatches in practical applications. As a remedy, we propose a robust WLB by using precise reconstruction of extended interference-plus-noise covariance matrix (EINCM) and low-complexity estimation of extended desired signal steering vector
doi:10.1186/s13638-020-01830-1
fatcat:pmplltmsmjebhokmnqzhr4sgfu