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Source localization by TDOA with random sensor position errors - Part II : mobile sensors.

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Source localization by TDOA with random sensor position errors - Part II : mobile sensors.

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Title: Source localization by TDOA with random sensor position errors - Part II : mobile sensors.
Author: Qu, Xiaomei.; Xie, Lihua.
Copyright year: 2012
Abstract: For the purpose of source localization, we have proposed a constrained weighted least squares (CWLS) source localization method in our companion paper, which uses static sensors by accounting for random uncertainties in sensor positions. This paper is devoted to developing two recursive algorithms to deal with the source localization problem by using time difference of arrival (TDOA) measurements received by mobile sensors. More specifically, the first one uses the current TDOA measurements to estimate the unknown source position and then treats the estimate as a measurement to update the source localization. For the second approach, we estimate an auxiliary variable with the current TDOA measurements and then rearrange the nonlinear TDOA equations into a set of linear measurement equations to update the source localization. An illustrative example is given to demonstrate that the second algorithm outperforms the first one.
Subject: DRNTU::Engineering::Electrical and electronic engineering.
Type: Conference Paper
Conference name: International Conference on Information Fusion (15th : 2012 : Singapore)
School: School of Electrical and Electronic Engineering
Rights: © 2012 ISIF. This paper was published in 15th International Conference on Information Fusion (FUSION) and is made available as an electronic reprint (preprint) with permission of ISIF. The paper can be found at the following official URL: [http://ieeexplore.ieee.org/xpl/articleDetails.jsp?tp=&arnumber=6289786&queryText%3DSource+localization+by+TDOA+with+random+sensor+position+errors+-+Part+II+%3A+mobile+sensors.]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Version: Published version

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