A New Method for Node Fault Detection in Wireless Sensor Networks
AbstractWireless sensor networks (WSNs) are an important tool for monitoring distributed remote environments. As one of the key technologies involved in WSNs, node fault detection is indispensable in most WSN applications. It is well known that the distributed fault detection (DFD) scheme checks out the failed nodes by exchanging data and mutually testing among neighbor nodes in this network., but the fault detection accuracy of a DFD scheme would decrease rapidly when the number of neighbor nodes to be diagnosed is small and the node’s failure ratio is high. In this paper, an improved DFD scheme is proposed by defining new detection criteria. Simulation results demonstrate that the improved DFD scheme performs well in the above situation and can increase the fault detection accuracy greatly.
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Jiang, P. A New Method for Node Fault Detection in Wireless Sensor Networks. Sensors 2009, 9, 1282-1294.
Jiang P. A New Method for Node Fault Detection in Wireless Sensor Networks. Sensors. 2009; 9(2):1282-1294.Chicago/Turabian Style
Jiang, Peng. 2009. "A New Method for Node Fault Detection in Wireless Sensor Networks." Sensors 9, no. 2: 1282-1294.