A Bayesian Robust Adaptive Beamforming Based on Phase-Invariant MMSE Criterion

作者: Wei Shi , Xian-Da Zhang

DOI: 10.1109/LSP.2006.891304

关键词:

摘要: The Bayesian beamformer under minimum mean square error (MMSE) criterion has been reported to perform well against uncertainty in source direction of arrival (DOA), but its performance depends on the location phase reference. This letter proposes a phase-invariant MMSE which is independent An iterative algorithm developed for designing such new beamformer. Numerical examples demonstrate that can provide better than existing either uniform or non-uniform linear array.

参考文章(8)
J. Capon, High-resolution frequency-wavenumber spectrum analysis Proceedings of the IEEE. ,vol. 57, pp. 1408- 1418 ,(1969) , 10.1109/PROC.1969.7278
H. Cox, R. Zeskind, M. Owen, Robust adaptive beamforming IEEE Transactions on Acoustics, Speech, and Signal Processing. ,vol. 35, pp. 1365- 1376 ,(1987) , 10.1109/TASSP.1987.1165054
D.D. Feldman, L.J. Griffiths, A projection approach for robust adaptive beamforming IEEE Transactions on Signal Processing. ,vol. 42, pp. 867- 876 ,(1994) , 10.1109/78.285650
C.-Y. Tseng, L.J. Griffiths, A unified approach to the design of linear constraints in minimum variance adaptive beamformers IEEE Transactions on Antennas and Propagation. ,vol. 40, pp. 1533- 1542 ,(1992) , 10.1109/8.204744
S.A. Vorobyov, A.B. Gershman, Z.-Q. Luo, Robust adaptive beamforming using worst-case performance optimization: a solution to the signal mismatch problem IEEE Transactions on Signal Processing. ,vol. 51, pp. 313- 324 ,(2003) , 10.1109/TSP.2002.806865
K.L. Bell, Y. Ephraim, H.L. Van Trees, A Bayesian approach to robust adaptive beamforming IEEE Transactions on Signal Processing. ,vol. 48, pp. 386- 398 ,(2000) , 10.1109/78.823966
B.D. van Veen, Minimum variance beamforming with soft response constraints IEEE Transactions on Signal Processing. ,vol. 39, pp. 1964- 1972 ,(1991) , 10.1109/78.134429