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Preserving Security of Mobile Anchors Against Physical Layer Attacks: A Resilient Scheme for Wireless Node Localization
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Author(s): Rathindra Nath Biswas (A. J. C. Bose Polytechnic, India), Swarup Kumar Mitra (MCKV Institute of Engineering, India)and Mrinal Kanti Naskar (Jadavpur University, India)
Copyright: 2019
Pages: 33
Source title:
Cryptographic Security Solutions for the Internet of Things
Source Author(s)/Editor(s): Mohammad Tariq Banday (University of Kashmir, India)
DOI: 10.4018/978-1-5225-5742-5.ch008
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Abstract
This chapter introduces a new security scheme for mobile anchors avoiding the physical layer attacks towards localization in wireless sensor networks (WSNs). In a network, anchors are made location-aware equipping them with GPS (global positioning system) receivers. Direction finding capabilities are also incorporated with smart antennas. The proposed algorithm is based on adaptive beamforming of smart array that always minimizes the probabilities of successful attacks, keeping the adversaries beyond its beam coverage. Particle swarm optimization (PSO) technique is used to compute array excitation coefficients, generating the desired pattern. Thus, anchors remain secured through pattern irregularities, deteriorating the information retrieval process even though chances of occurring adequate RSS (received signal strength)/AoA (angle of arrival) measurements may exist. Moreover, anchors are assumed to send pseudo references towards stationary nodes over private links, preserving data integrity for localization. Simulation results validate its effectiveness over the existing methods.
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