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http://dx.doi.org/10.9709/JKSS.2011.20.4.021

A Method to Improve Energy Efficiency Using a Function that Evaluate the Probability of Attempts to Verify a Report at Intermediate Node in USN  

Lee, Hyun-Woo (성균관대학교 전자전기컴퓨터공학과)
Moon, Soo-Young (성균관대학교 전자전기컴퓨터공학과)
Cho, Tae-Ho (성균관대학교 전자전기컴퓨터공학과)
Publication Information
Journal of the Korea Society for Simulation / v.20, no.4, 2011 , pp. 21-29 More about this Journal
Abstract
Wireless sensor nodes operate in open environments. The deployed sensor nodes are very vulnerable to physical attacks from outside. Attackers compromise some sensor nodes. The compromised nodes by attackers can lead to false data injection into sensor networks. These attacks deplete the limited energy of sensor nodes. Ye et al. proposed the Statistical En-Route Filtering (SEF) as a countermeasure of the attacks. The sensor node in SEF examines the event reports based on certain uniform probability. Thus, the same energies are consumed in both legitimate reports and false reports. In this paper, we propose a method that each node controls the probability of attempts to verify a report to reduce energy consumption of sensor nodes. The probability is determined in consideration of the remaining energy of the node, the number of hops from the node to SINK node, the ratio of false reports. the proposed method can have security which is similar with SEF and consumes lower energy than SEF.
Keywords
Wireless Sensor Network; Statistical En-Route Filtering; False Data Injection Attack;
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