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      Optimal jammer placement in wireless localization systems

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      Author(s)
      Gezici, Sinan
      Bayram, S.
      Kurt, M. N.
      Gholami, M. R.
      Date
      2016
      Source Title
      IEEE Transactions on Signal Processing
      Print ISSN
      1053-587X
      Publisher
      Institute of Electrical and Electronics Engineers Inc.
      Volume
      64
      Issue
      17
      Pages
      4534 - 4549
      Language
      English
      Type
      Article
      Item Usage Stats
      265
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      Abstract
      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 Cramér-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 under which 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. © 1991-2012 IEEE.
      Keywords
      Cramér-rao lower bound
      Jammer
      Localization
      Max-min
      Permalink
      http://hdl.handle.net/11693/36496
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/TSP.2016.2552503
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      • Department of Electrical and Electronics Engineering 3863
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