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Particle Filters for Positioning in Wireless Networks
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering. Linköping University, The Institute of Technology.
2002 (English)In: Proceedings of the 11th European Signal Processing Conference, 2002, 311-314 vol.24 p.Conference paper, Published paper (Refereed)
Abstract [en]

Positioning of road vehicles in wireless radio networks is a highly non-linear multi-sensor problem. The radio measurements deliver snapshot information of position as circle, radial and hyperbolic lines with various reliability, and possibly also complex power attenuation maps. Further, fading and absence of line of sight give complicated disturbances on these measurements. Temporal and spatial prior knowledge may include maximal velocity and acceleration of the mobile unit, and for automotive applications also the constraint that most of the time is spent on roads, which are stored in a digital map. We outline a framework where all this information can be incorporated, and the true a posteriori distribution of position can be approximated with arbitrary accuracy to be traded o with real-time requirements. The algorithm is based on the particle filter, and we demonstrate it on a few simulation examples.

Place, publisher, year, edition, pages
2002. 311-314 vol.24 p.
Keyword [en]
Particle filter, Wireless networks, Positioning
National Category
Engineering and Technology Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-90308OAI: oai:DiVA.org:liu-90308DiVA: diva2:613624
Conference
11th European Signal Processing Conference, Toulouse, France, September, 2002
Available from: 2013-03-29 Created: 2013-03-24 Last updated: 2013-03-29

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Gustafsson, FredrikGunnarsson, FredrikNordlund, Per-Johan

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