NDLI: Decoupled estimation of angular parameters for coherently distributed sources

Content Provider	Springer Nature Link
Author	Zoubir, Ahmed Wang, Yide Ould Haiballa, Mohamed M. Chargé, Pascal
Copyright Year	2007
Abstract	In this paper, we consider the problem of estimating the direction-of-arrivals (doas) and angular spreads of uncorrelated coherently distributed sources. The proposed methods enable a decoupled estimation of the doas from that of the angular spreads of sources. Compared with existing algorithms, the proposed algorithms improve the robustness to the mismodeling of the spatial distribution of the scatterers. They allow an unambiguous doas estimation and don’t need the a priori knowledge of the azimutal power distribution. Furthermore, the proposed techniques work even in the case where the different sources have different angular distribution shape.Dans cet article on considère le problème d’estimation des directions d’arrivée (dda) et des étalements angulaires de sources décorrélées distribuées avec cohérence. Les techniques proposées permettent d’estimer ces paramètres angulaires de façon séparée. Par comparaison avec des techniques existantes, ces nouvelles méthodes n’exigent pas la connaissance des distributions angulaires des réflecteurs, en particulier pour l’estimation des dda. Notons que ces méthodes sont capables de fonctionner lorsque les différentes sources ont des distributions azimutales différentes, contrairement aux méthodes existantes.
Starting Page	1171
Ending Page	1184
Page Count	14
File Format	PDF
ISSN	00034347
Journal	Annales Des Télécommunications
Volume Number	62
Issue Number	9-10
e-ISSN	19589395
Language	French
Publisher	Springer-Verlag
Publisher Date	2007-01-01
Publisher Place	Milan
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Antenne réseau Mise forme faisceau Antenne rectiligne Angle arrivée Distribution spatiale Propagation trajet multiple Cohérence onde Communications Engineering, Networks Information Systems and Communication Service Signal, Image and Speech Processing Computer Communication Networks Information and Communication, Circuits R & D/Technology Policy
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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