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A Novel Multi-Step Algorithm for Low-Energy Positioning Using GPS
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, Faculty of Science & Engineering.
2016 (English)In: Fusion 2016, 19th International Conference on Information Fusion: Proceedings, 2016, 1469-1476 p.Conference paper, Published paper (Refereed)
Abstract [en]

GPS is widely used for localization and tracking, however traditional GPS receivers consume too much energy for many applications. This paper implements and evaluates the performance of a low-energy GPS prototype. The main difference is that a traditional GPS needs to sample signals transmitted by satellites for 30 seconds to estimate its position. Our prototype reduces this time by three orders of magnitude and it can compute positions from only 2 milliseconds of data. We present a new algorithm that increases robustness by filtering on estimated residuals instead of using an altitude database. In addition, we show that our new algorithm works with both fixed and moving targets. The solution consists of (1) a portable device that samples the GPS signal and (2) a server that utilizes Doppler navigation and Coarse Time Navigation to estimate positions. We performed tests in a wide variety of environments and situations. These tests show that our prototype provides a median positioning error of roughly 40 meters even when the GPS receiver is moving at 80 kilometres per hour.

Place, publisher, year, edition, pages
2016. 1469-1476 p.
National Category
Control Engineering Communication Systems
Identifiers
URN: urn:nbn:se:liu:diva-130236ISI: 000391273400195ISBN: 9780996452748 (print)OAI: oai:DiVA.org:liu-130236DiVA: diva2:949749
Conference
19th International Conference on Information Fusion, Heidelberg, Germany, July 5-8, 2016
Funder
Swedish Institute
Available from: 2016-07-22 Created: 2016-07-22 Last updated: 2017-02-03Bibliographically approved

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fulltext(538 kB)111 downloads
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Dil, BramGustafsson, Fredrik

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CiteExportLink to record
Permanent link

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Cite
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