Polynomial root-MUSIC algorithm for efficient broadband direction of arrival estimation

Coventry, William and Clemente, Carmine and Soraghan, John; (2017) Polynomial root-MUSIC algorithm for efficient broadband direction of arrival estimation. In: 2017 Sensor Signal Processing for Defence Conference (SSPD). IEEE, Piscataway, NJ. ISBN 9781538616642 (https://doi.org/10.1109/SSPD.2017.8233256)

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The popular MUSIC algorithm has been recently extended to broadband scenarios through the use of polynomial matrix methods and polynomial eigenvalue decomposition algorithms, producing impressive results, at the cost of a high computational complexity. This is due to the heuristic angular search stage of the algorithm. Through the extension of the popular narrowband variant of the MUSIC algorithm, Root- MUSIC, we aim to significantly reduce the computational cost of spatio-spectral polynomial MUSIC algorithm by eliminating this searching requirement. The performance of both algorithms are analysed and compared, demonstrating a similar performance with a significant reduction in computation time.


Coventry, William, Clemente, Carmine ORCID logoORCID: https://orcid.org/0000-0002-6665-693X and Soraghan, John ORCID logoORCID: https://orcid.org/0000-0003-4418-7391;