Secure localization with phantom node detection

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In an adversarial environment, various kinds of attacks become possible if malicious nodes could claim fake locations that are different from their physical locations. In this paper, we propose a secure localization mechanism that detects existence of these nodes, termed as phantom nodes, without relying on any trusted entities, ail approach significantly different from the existing ones. The proposed mechanism enjoys a set of nice features. First, it does not have my central point of attack. All nodes play the role of verifier, by generating local map, i.e. a view constructed based on ranging information from its neighbors. Second, this distributed and localized construction results in strong robustness against adversaries: even when the number of phantom nodes is greater than that of honest nodes, we can filter out most of the phantom nodes. Our analytical results as well as simulations under realistic noisy settings demonstrate that the proposed mechanism is effective in the presence of a large number of phantom nodes. (C) 2007 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2008-09
Language
English
Article Type
Article
Citation

AD HOC NETWORKS, v.6, no.7, pp.1031 - 1050

ISSN
1570-8705
DOI
10.1016/j.adhoc.2007.10.005
URI
http://hdl.handle.net/10203/93319
Appears in Collection
EE-Journal Papers(저널논문)
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