A Near-Optimal Source Location Privacy Scheme for Wireless Sensor Networks

Bradbury, Matthew and Jhumka, Arshad (2017) A Near-Optimal Source Location Privacy Scheme for Wireless Sensor Networks. In: 2017 IEEE Trustcom/BigDataSE/ICESS. IEEE, pp. 409-416. ISBN 97871509049066

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Abstract

As interest in using Wireless Sensor Networks (WSNs) for deployments in scenarios such as asset monitoring increases, the need to consider security and privacy issues also becomes greater. One such issue is that of Source Location Privacy (SLP) where the location of a source in the network needs to be kept secret from a malicious attacker. Many techniques have been proposed to provide SLP against an eavesdropping attacker. Most techniques work by first developing an algorithm followed by extensive performance validation. Differently, in this paper, we model the SLP problem as an Integer Linear Programming optimization problem. Using the IBM ILOG CPLEX optimiser, we obtain an optimal solution to provide SLP. However, that solution is centralised (i.e., requires network-wide knowledge) making the solution unsuitable for WSNs. Therefore, we develop a distributed version of the solution and evaluate the level of privacy provided by it. The solution is hybrid in nature, in that it uses both spatial and temporal redundancy to provide SLP. Results from extensive simulations using the TOSSIM WSN simulator indicate a 1% capture ratio is achievable as a trade-off for an increase in the delivery latency.

Item Type:
Contribution in Book/Report/Proceedings
Subjects:
ID Code:
154159
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Deposited On:
26 Apr 2021 14:25
Refereed?:
Yes
Published?:
Published
Last Modified:
22 Nov 2021 19:02