Static positioning using UWB range measurements
Author
Gholami, M.R.
Ström, E.G.
Sottile F.
Dardari, D.
Conti, A.
Gezici, Sinan
Rydström, M.
Spirito, M.A.
Date
2010Source Title
2010 Future Network & Mobile Summit
Publisher
IEEE
Language
English
Type
Conference PaperItem Usage Stats
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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 SquareMeasurement 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