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Communication Dans Un Congrès Année : 2017

DOA estimation in structured phase-noisy environments


In this paper we focus on the problem of estimating the directions of arrival (DOA) of a set of incident plane waves. Unlike many previous works, which assume that the received observations are only affected by additive noise, we consider the setup where some phase noise also corrupts the data (as for example observed in atmospheric sound propagation or underwater acoustics). We propose a new methodology to solve this problem in a Bayesian framework by resorting to a variational mean-field approximation. Our simulation results illustrate the benefits of carefully accounting for the phase noise in the DOA estimation process.

Dates et versions

hal-01702246 , version 1 (08-02-2018)



Angélique Drémeau, Cédric Herzet. DOA estimation in structured phase-noisy environments. 42nd IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2017), Mar 2017, La Nouvelle Orléans, LA, United States. pp.3176-3180, ⟨10.1109/ICASSP.2017.7952742⟩. ⟨hal-01702246⟩
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