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Vol. 160, Issue 12, December 2013, pp. 195-201




A Trust Model for Fault Detection in Hierarchical WSN
1, 2 Wang NA, 3 Pang YANXIA

1 School of software, East China Normal University, No. 3663 North Zhongshan Rd, Shanghai, 200062, China

2 School of Computer and information, Shanghai Second Polytechnic University, No. 2360 Jinhai Rd, Shanghai, 201209, China

3 School of Computer and information, Shanghai Second Polytechnic University, No. 2360 Jinhai Rd, Shanghai, 201209, China

1 Tel.: 086+18601687414, fax: 086+02150214252


Received: 18 October 2013   /Accepted: 22 November 2013   /Published: 30 December 2013

Digital Sensors and Sensor Sysstems


Abstract: Wireless sensor networks are prone to failures and malicious attacks. A compromised node itself could report inaccurate or even forged data. So trust management is becoming a new driving force to solve challenges to WSN. In this paper, we propose a comprehensive trust model for hierarchical WSN. In this model, each node maintains a trust value according to its experience trust and social trust. Unlike previous efforts, our current design focuses on not only the node itself but also its relation with its neighbors. Results indicate the great advantage of our model to handle fault and abnormality.


Keywords: Abnormality, Experience trust, Fault, Hierarchical WSN, Social trust.


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