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      • Faculty of Engineering
      • Department of Electrical and Electronics Engineering
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      Static positioning using UWB range measurements

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      Author
      Gholami, M.R.
      Ström, E.G.
      Sottile F.
      Dardari, D.
      Conti, A.
      Gezici, Sinan
      Rydström, M.
      Spirito, M.A.
      Date
      2010
      Source Title
      2010 Future Network & Mobile Summit
      Publisher
      IEEE
      Language
      English
      Type
      Conference Paper
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      Abstract
      The performance of several existing and partly new algorithms for positioning of sensor node based on distance estimate is compared when the distance estimates are obtained from a measurement campaign. The distance estimates are based on time-of-arrival measurements done by ultrawideband devices in an indoor office environment. Two different positioning techniques are compared: statistical and geometrical. In statistical category, distributed weighted-multidimensional scaling (dwMDS), least squares, and sum product algorithm are evaluated and in geometrical technique projections approach and outer approximation (OA) method are investigated. No method shows the best performance in all cases, while in many situations, sum product algorithm, dwMDS, nonlinear least square, projection approach, OA, and weighted least square work well. Copyright © The authors.
      Keywords
      Least Square
      Measurement campaign
      Multi-dimensional scaling
      Non-linear least squares
      Office environments
      Outer approximation
      Positioning techniques
      Range measurements
      Sum-product algorithm
      Time-of-arrival measurements
      Ultra wide band devices
      Weighted least squares
      Approximation algorithms
      Estimation
      Sensor nodes
      Telecommunication equipment
      Wireless networks
      Least squares approximations
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      http://hdl.handle.net/11693/28443
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      • Department of Electrical and Electronics Engineering 3601
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