Accurate three-step algorithm for joint source position and propagation speed estimation
Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review
Author(s)
Related Research Unit(s)
Detail(s)
| Original language | English |
|---|---|
| Pages (from-to) | 3096-3100 |
| Journal / Publication | Signal Processing |
| Volume | 87 |
| Issue number | 12 |
| Publication status | Published - Dec 2007 |
Link(s)
Abstract
A popular strategy for source localization is to utilize the measured differences in arrival times of the source signal at multiple pairs of receivers. Most of the time-difference-of-arrival (TDOA) based algorithms in the literature assume that the signal transmission speed is known which is valid for in-air propagation. However, for in-solid scenarios such as seismic and tangible acoustic interface applications, the signal propagation speed is unknown. In this paper, we exploit the ideas in the two-step weighted least squares method [1] to design a three-step algorithm for joint source position and propagation speed estimation. Simulation results are included to contrast the proposed estimator with the linear least squares scheme as well as Cramér-Rao lower bound. © 2007 Elsevier B.V. All rights reserved.
Research Area(s)
- Propagation speed estimation, Source localization, Time-difference-of-arrival, Weighted least squares
Citation Format(s)
Accurate three-step algorithm for joint source position and propagation speed estimation. / Zheng, Jun; Lui, Kenneth W.K.; So, H. C.
In: Signal Processing, Vol. 87, No. 12, 12.2007, p. 3096-3100.Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review
