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Positioning Algorithms for Cellular Networks Using TDoA

Mensing, Christian and Plass, Simon (2005) Positioning Algorithms for Cellular Networks Using TDoA. In: Proceedings of ICASSP 2006. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2006-05-14 - 2006-05-19, Toulouse, France.

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In this paper, we investigate the performance of positioning algorithms in wireless cellular networks based on time difference of arrival (TDoA) measurements provided by the base stations. The localization process of the mobile station results in a non-linear least squares estimation problem which cannot be solved analytically. Therefore, we use iterative algorithms to determine an estimate of the mobile station position. The well-known Gauss-Newton method fails to converge for certain geometric constellations, and thus, it is not suitable for a general solution in cellular networks. Another algorithm is the steepest descent method which has a slow convergence in the final iteration steps. Hence, we apply the Levenberg-Marquardt algorithm as a new approach in the cellular network localization framework. We show that this method meets the best trade-off between accuracy and computational complexity.

Item URL in elib:https://elib.dlr.de/21511/
Document Type:Conference or Workshop Item (Paper, Poster)
Title:Positioning Algorithms for Cellular Networks Using TDoA
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:October 2005
Journal or Publication Title:Proceedings of ICASSP 2006
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Positioning, TDoA, Cellular Networks, CRLB, Gauss-Newton, Steepest Descent, Levenberg-Marquardt
Event Title:IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
Event Location:Toulouse, France
Event Type:international Conference
Event Start Date:14 May 2006
Event End Date:19 May 2006
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W KN - Kommunikation/Navigation
DLR - Research area:Space
DLR - Program:W KN - Kommunikation/Navigation
DLR - Research theme (Project):W - Vorhaben GNSS2/Neue Dienste und Produkte (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Communications Systems
Deposited By: Mensing, Christian
Deposited On:10 Dec 2007
Last Modified:24 Apr 2024 19:03

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