NDLI: An Accurate 3D UWB Hyperbolic Localization in Indoor Multipath Environment Using Iterative Taylor-Series Estimation

Content Provider	IEEE Xplore Digital Library
Author	Yongbin Qi Cheong Boon Soh Gunawan, E. Kay-Soon Low Maskooki, A.
Copyright Year	2013
Description	Author affiliation: Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore, Singapore (Yongbin Qi; Cheong Boon Soh; Gunawan, E.; Kay-Soon Low; Maskooki, A.)
Abstract	An accurate approach in locating a source based on the intersections of hyperboloids defined by the time difference of arrival (TDOA) of a signal received at a number of reference nodes is proposed and investigated. The demonstrated system consists of a UWB transmitter, irradiating a UWB Gaussian pulse, and eight coherent receivers where positions are known. Techniques like optimal template-based estimator used for time delay estimation are discussed. The effect of errors in range measurement on the accuracy of positioning is reduced by adopting Taylor-series-based minimization procedures. Furthermore, we evaluate the performance of the proposed method by comparing with traditional LSE minimization procedure in both simulation and experimental results. The experimental results show that the target positioning error is only about (0.7198±0.271)cm (mean±standard deviation), which is accurate for potential applications such as robot navigation, personal tracking and monitoring.
Sponsorship	IEEE Vehicular Technol. Soc.
Starting Page	1
Ending Page	5
File Size	228627
Page Count	5
File Format	PDF
ISBN	9781467363372
ISSN	15502252
DOI	10.1109/VTCSpring.2013.6691866
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-02
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Distance measurement Mobile communication Receivers Mathematical model Accuracy Estimation Equations
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering Computer Science Applications

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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