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Sensors 2017, 17(8), 1892;

Secure Localization in the Presence of Colluders in WSNs

School of Information Technology, Faculty of Engineering and Design, Carleton University, Ottawa, ON K1S 5B6, Canada
School of Computer Science, Carleton University, Ottawa, ON K1S 5B6, Canada
Institut Mines-Telecom, Paris-Saclay University, Telecom SudParis, CNRS Samovar UMR 5157, 9 Rue Charles Fourier, 91000 Evry, France
Nokia Networks, 600 March Road, Ottawa, ON K2K 2T6, Canada
Author to whom correspondence should be addressed.
Received: 21 June 2017 / Revised: 28 July 2017 / Accepted: 11 August 2017 / Published: 17 August 2017
(This article belongs to the Section Sensor Networks)
Full-Text   |   PDF [507 KB, uploaded 17 August 2017]   |  


We address the challenge of correctly estimating the position of wireless sensor network (WSN) nodes in the presence of malicious adversaries. We consider adversarial situations during the execution of node localization under three classes of colluding adversaries. We describe a decentralized algorithm that aims at determining the position of nodes in the presence of such colluders. Colluders are assumed to either forge or manipulate the information they exchange with the other nodes of the WSN. This algorithm allows location-unknown nodes to successfully detect adversaries within their communication range. Numeric simulation is reported to validate the approach. Results show the validity of the proposal, both in terms of localization and adversary detection. View Full-Text
Keywords: colluders; detection; secure localization; wireless sensor network colluders; detection; secure localization; wireless sensor network

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Shi, W.; Barbeau, M.; Corriveau, J.-P.; Garcia-Alfaro, J.; Yao, M. Secure Localization in the Presence of Colluders in WSNs. Sensors 2017, 17, 1892.

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