Technical Program

Paper Detail

Paper:DSP-L17.5
Session:Detection and Estimation
Time:Wednesday, May 26, 17:12 - 17:30
Presentation: Lecture
Topic: Digital Signal Processing: Detection and Estimation
Title: SOURCE LOCALIZATION USING TDOA WITH ERRONEOUS RECEIVER POSITIONS
Authors: Dominic K. C. Ho; University of Missouri-Columbia 
 L. Kovavisaruch; University of Missouri-Columbia 
 H. Parikh; University of Missouri-Columbia 
Abstract: This paper develops an explicit solution that estimates the location of a stationary source using Time Difference of Arrival (TDOA) measurements of a signal received by a number of receivers that have random error in their positions. The proposed solution accounts for the error from receiverpositions, is algebraic, and does not have convergence problem as in the Taylor-series linearization method. The Cramer-Rao Lower Bound (CRLB) of the source location estimate in the presence of sensor position error is derived. Simulation results indicate that the proposed solution achieves anaccuracy close to the CRLB under Gaussian noise.
 
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