ICASSP 2006 - May 15-19, 2006 - Toulouse, France

Technical Program

Paper Detail

Paper:SAM-P1.7
Session:Source Localization and Tracking
Time:Tuesday, May 16, 10:30 - 12:30
Presentation: Poster
Topic: Sensor Array and Multichannel Signal Processing: Source localization, separation, classification, and tracking
Title: Analysis of the Degradation in Source Location Accuracy in the Presence of Sensor Location Error
Authors: Xiaoning Lu, K. C. Ho, University of Missouri-Columbia, United States
Abstract: It is well known that sensor location uncertainty can seriously deteriorate the source location accuracy. In this paper, we provide the analysis of how much degradation the source location accuracy is expected to be with respect to the amount of sensor location error. We first derive the source location MSE when the estimator assumes no sensor location error but in fact there is. Then, the CRLB is evaluated and compared with the one without sensor location error. The analytical results allow us to decide whether a new algorithm to account for the sensor location error is necessary to improve the source location accuracy.



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