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Conference papers

Toeplitz rectification and DOA estimation with music

Abstract : The MUSIC method is widely used in the field of DoA estimation using an array of M sensors, and is known to perform well as long as the number of available samples N is much larger than M. Nevertheless , in the scenario where N is of the same order of magnitude than M , its performance degrades, essentially because the sample covariance matrix (SCM) is no more a good estimator. A classical improvement, known as "rectification", consists in forcing the SCM to have a Toeplitz structure. In this paper, we analyze this method, by considering the asymptotic regime where M, N both converge to infinity at the same rate, and by studying consistency and asymptotic normality of the related DoA estimates.
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https://hal.archives-ouvertes.fr/hal-01618511
Contributor : Philippe Loubaton Connect in order to contact the contributor
Submitted on : Wednesday, October 18, 2017 - 9:32:41 AM
Last modification on : Saturday, January 15, 2022 - 3:58:07 AM
Long-term archiving on: : Friday, January 19, 2018 - 12:36:05 PM

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P. Vallet, Philippe Loubaton. Toeplitz rectification and DOA estimation with music. ICASSP , May 2014, Firenze, Italy. pp.2237 - 2241, ⟨10.1109/ICASSP.2014.6853997⟩. ⟨hal-01618511⟩

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