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Robust NLS Sensor Localization using MDS Initialization
Totalförsvarets forskningsinstitut (FOI). (Sensorinformatik)
Totalförsvarets forskningsinstitut (FOI). (Sensorinformatik)
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-1971-4295
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
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2014 (English)In: 17th International Conference on Information Fusion (FUSION), 2014, Institute of Electrical and Electronics Engineers (IEEE), 2014, 1-7 p.Conference paper, Published paper (Refereed)
Abstract [en]

Before a sensor network can be used for target localization, the locations of the sensors need to be determined. We approach this calibration step by moving a source to distinct positions around the network. At each position, the range to each sensor is measured,and from these range measurements the sensor locations can be estimated by solving a nonlinear least squares (NLS) problem. Here we formulate the NLS problem and describe how to robustly initialize it by the use of multidimensional scaling. The method is evaluated on both simulations and real data from an acoustic sensor network. Withas few as six source positions, a robust calibration is demonstrated that gives a position error about the same size as the range error.  In the acoustic example this RMSE is less than 40 cm.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2014. 1-7 p.
Keyword [en]
acoustic sensor network; calibration; sensor localization; multidimensional scaling; NLS initialization
National Category
Signal Processing Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-108958ISI: 000363896100034ISBN: 978-849012355-3 (print)OAI: oai:DiVA.org:liu-108958DiVA: diva2:734113
Conference
17th International Conference on Information Fusion, Salamanca, Spain, July 7-10, 2014
Funder
Swedish Foundation for Strategic Research Security Link
Available from: 2014-07-14 Created: 2014-07-14 Last updated: 2016-06-10Bibliographically approved

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Hendeby, GustafLindgren, DavidWahlström, Niklas

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf