Design And Analysis Of Detecting The Faulty Nodes For WSN

Wireless sensor network(WSN)is based on three foundations of modern information technology: sensor technology,communications technology and computer technology.It is a new direction of the development of Internet.WSN can be widely used in the military,monitoring environmental,health care and so on.Faults occurring to sensor nodes are common due to the sensor device itself and the harsh environment where the sensor nodes are deployed,which will lead to frequent change of topology,wireless sensor network communication error and network separation.So wireless sensor network fault diagnosis is critical for the maintenance of the network quality..In this paper,we will analyze and illustrate some of the fault detection method is now displayed,analysis and contrast the centralized diagnosis method and distributed diagnosis method.And we design a new diagnosis method: 2-round diagnostic algorithms.We will validate the algorithm by experiments,then analyze the experimental data by statistical methods to obtain the performance and other parameters of the algorithm under different circumstances.