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Cramér–Rao Bound Analysis of Distributed Positioning in Sensor Networks
Department of Electrical and Computer Engineering, The George Washington University, USA.ORCID iD: 0000-0002-7599-4367
2004 (English)In: IEEE Signal Processing Letters, ISSN 1070-9908, E-ISSN 1558-2361, Vol. 11, no 3, 334-337 p.Article in journal (Refereed) Published
Abstract [en]

In future applications of sensor networking technology, it is envisioned that nodes will be able to determine their geographical position by measuring the range differences between one another in a collaborative fashion. The aim of this letter is to provide quantitative expressions that can be used both to facilitate an understanding for why such distributed positioning works and to assess the ultimately achievable accuracy in practice. Specifically, we compute the Crame´r-Rao bound on the positioning accuracy, under different assumptions on the network synchronization. Numerical examples illustrate our results.

Place, publisher, year, edition, pages
2004. Vol. 11, no 3, 334-337 p.
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-77033DOI: 10.1109/LSP.2003.822899OAI: diva2:524625
Available from: 2012-05-03 Created: 2012-05-03 Last updated: 2016-08-31Bibliographically approved

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Larsson, Erik G.
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IEEE Signal Processing Letters
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