DocumentCode
1508815
Title
Efficient Joint Source and Sensor Localization in Closed-Form
Author
Sun, Ming ; Yang, Le ; Ho, Dominic K.C.
Author_Institution
Dept. of Electr. & Comput. Eng., Univ. of Missouri, Columbia, MO, USA
Volume
19
Issue
7
fYear
2012
fDate
7/1/2012 12:00:00 AM
Firstpage
399
Lastpage
402
Abstract
This letter considers the problem of simultaneously locating multiple disjoint sources and refining erroneous sensor positions using TDOA measurements. The previous work by Yang and Ho to solve this problem cannot provide optimum accuracy for the sensor positions. The proposed estimator improves the previous method so that both the source and the sensor position estimates can achieve the Cramer-Rao lower bound (CRLB) accuracy. The theoretical derivation is corroborated by simulations.
Keywords
sensor placement; Cramer-Rao lower bound accuracy; TDOA measurement; closed form; efficient joint source; erroneous sensor position; optimum accuracy; sensor localization; sensor position estimate; theoretical derivation; Accuracy; Covariance matrix; Equations; Estimation; Position measurement; Signal to noise ratio; Vectors; Source and sensor localization; TDOA;
fLanguage
English
Journal_Title
Signal Processing Letters, IEEE
Publisher
ieee
ISSN
1070-9908
Type
jour
DOI
10.1109/LSP.2012.2197825
Filename
6194996
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