Enhanced covariance matrix estimators in adaptive beamforming

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings

Volumn 2, Issue , 2007, Pages

  Abrahamsson, Richard ^a   Selen, Yngve ^a   Stoica, Petre ^a  

^a UPPSALA UNIVERSITY   (Sweden)

Author keywords

Array signal processing; Covariance matrices; Direction of arrival estimation

Indexed keywords

ADAPTIVE ALGORITHMS; ARRAY PROCESSING; COVARIANCE MATRIX; DIRECTION OF ARRIVAL; EIGENVALUES AND EIGENFUNCTIONS;

ARRAY IMPERFECTIONS; CAPON BEAMFORMING (RCB) METHOD; DIRECTION OF ARRIVAL ESTIMATION;

BEAMFORMING;

EID: 34547553166     PISSN: 15206149     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ICASSP.2007.366399     Document Type: Conference Paper

References (13)

1. C. Stein, "Inadmissibility of the usual estimator for the mean of a multivariate normal distribution," in Proceedings of the 3rd Berkeley Symposium on Mathematical Statistics and probability, Berkeley, CA, 1956, vol. 1, pp. 197-206, University of California Press.
2. R. Abrahamsson, Estimation Problems in Array Signal Processing, System Identification and Radar Imagery, Ph.D. thesis, Uppsala University, Uppsala, Sweden, October 2006.
3. J. Ward, "Space-time adaptive processing for airborne radar," Technical Report 1015, Massachusetts Institute of Technology, Lincoln Laboratory, Lexington, MA, December 1994.
4. J. Capon, "High resolution frequency-wavenumber spectrum analysis," in Proceedings of the IEEE, August 1969, vol. 57, pp. 1408-1418.
5. P. Stoica and R. Moses, Spectral Analysis of Signals, Prentice Hall, Upper Saddle River, NJ, 2005.
6. S. A. Vorobyov, A. B. Gershman, and 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, no. 2, pp. 313-324, February 2003.
7. J. Li, P. Stoica, and Z. Wang, "On robust Capon beamforming and diagonal loading," IEEE Transactions on Signal Processing, vol. 51, no. 7, pp. 1702-1715, July 2003.
8. th Berkeley Symposium on Mathematical Statistics and Probability, Berkeley, CA, 1961, vol. 1, pp. 361-379, University of California Press.
9. M. L. Eaton and I. Olkin, "Best equivariant estimators of a Cholesky decomposition," The Annals of Statistics, vol. 15, no. 4, pp. 1639-1650, 1987.
10. O. Ledoit and M. Wolf, "A well-conditioned estimator for large-dimensional covariance matrices," Journal of Multivariate Analysis, vol. 88, pp. 365-411, 2004.
11. D. K. Dey and C. Srinivasan, "Estimation of a covariance matrix under Stein's loss," The Annals of Statistics, vol. 13, no. 4, pp. 1581-1591, 1985.
12. S. P. Lin and M. D. Perlman, "A Monte-Carlo comparison of four estimators of a covariance matrix," Multivariate Analysis, vol. VI, pp. 411-429, 1985.
13. Y. I. Abramovich and N. K. Spencer, "Expected-likelihood covariance matrix estimation for adaptive detection," in The 2005 IEEE International Radar Conference, Arlington, VA, May 2005, pp. 623-628.