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Distributed Fault Detection for Wireless Sensor Based on Weighted Average

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4 Author(s)
Sai Ji ; Aeronaut. Sci. Key Lab. for Smart Mater. & Struct., Nanjing Univ. of Aeronaut. & Astronaut., Nanjing, China ; Yuan Shen-fang ; Ting-huai Ma ; Chang Tan

This paper presents a distributed fault detection algorithm for wireless sensor networks (WSNs) by exploring the weighted average value scheme. Considering the spatial correlations in WSNs, a faulty sensor can diagnose itself through comparing its own sensed data with the average of neighbors' data. Simulation results show that sensor nodes with permanent faults are identified with high accuracy for a wide range of fault rate, and keep false alarm rate for different levels of sensor fault model.

Published in:

Networks Security Wireless Communications and Trusted Computing (NSWCTC), 2010 Second International Conference on  (Volume:1 )

Date of Conference:

24-25 April 2010