DOA estimation based on the database retrieval technique with nonuniform quantization and clustering
Digital Signal Processing
Direction finding of multiple emitters by spatial sparsity and linear programming
ISCIT'09 Proceedings of the 9th international conference on Communications and information technologies
Direction-of-arrival estimation using a mixed l2,0norm approximation
IEEE Transactions on Signal Processing
Error bounds for convex parameter estimation
Signal Processing
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We address the narrow-band source localization problem for arbitrary arrays with known geometry in the presence of arbitrary noise of unknown spatial spectral density. Very few methods are able to handle this problem. We present a very unsophisticated approach whose algorithmic part relies on a standard linear programming algorithm (such as the simplex algorithm available in any scientific program library). The computational complexity of the method is reasonable, the performance appear to be remarkable on simulations. The justification of the procedure and the asymptotic analysis is more complex and much work remains to be done.