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Optimal Jammer Placement in Wireless Localization Systems
KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-6469-2198
2016 (English)In: IEEE Transactions on Signal Processing, ISSN 1053-587X, E-ISSN 1941-0476, Vol. 64, no 17, 4534-4549 p.Article in journal (Refereed) Published
Abstract [en]

In this study, the optimal jammer placement problem is proposed and analyzed for wireless localization systems. In particular, the optimal location of a jammer node is obtained by maximizing the minimum of the Cramer-Rao lower bounds (CRLBs) for a number of target nodes under location related constraints for the jammer node. For scenarios with more than two target nodes, theoretical results are derived to specify conditions underwhich the jammer node is located as close to a certain target node as possible, or the optimal location of the jammer node is determined by two of the target nodes. Also, explicit expressions are provided for the optimal location of the jammer node in the presence of two target nodes. In addition, in the absence of distance constraints for the jammer node, it is proved, for scenarios with more than two target nodes, that the optimal jammer location lies on the convex hull formed by the locations of the target nodes and is determined by two or three of the target nodes, which have equalized CRLBs. Numerical examples are presented to provide illustrations of the theoretical results in different scenarios.

Place, publisher, year, edition, pages
2016. Vol. 64, no 17, 4534-4549 p.
Keyword [en]
Localization, jammer, cramer-rao lower bound, max-min
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-193192DOI: 10.1109/TSP.2016.2552503ISI: 000381434700012Scopus ID: 2-s2.0-84982815677OAI: oai:DiVA.org:kth-193192DiVA: diva2:1014975
Note

QC 20161003

Available from: 2016-10-03 Created: 2016-09-30 Last updated: 2017-11-30Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • vancouver
  • Other style
More styles
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  • de-DE
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  • nn-NB
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  • Other locale
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Output format
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