Distributed Fault-Tolerant Event Detection for Non-Symmetric Errors in Wireless Sensor Networks

Distributed Fault-Tolerant Event Detection for Non-Symmetric Errors in Wireless Sensor Networks

Nandita Das1, B. Victoria Jancee2 and S. Radha3 1,3SSN College of Engineering,India, 2St. Joseph's College of Engineering, India

ABSTRACT

Wireless sensor network (WSN) are powered by batteries to perform various sensing tasks in a given environment. The measurements made by the sensors are sometimes unreliable and erroneous due to noise in the sensor or hardware failure. For a large scale WSN to be economically feasible, it is important to ensure that the faulty node does not affect the overall behaviour of the system. In this paper a binary faulttolerant event detection technique has been proposed for the non-symmetric errors and its performance has been analysed. Theoretical analysis and simulation show that almost 97 percent of faults can be corrected even when 10 percent sensor nodes are faulty.

KEYWORDS Non-Symmetric Errors, Fault Tolerance, Event Detection Original Source URL: http://airccse.org/journal/ijscai/papers/3214ijscai03.pdf http://airccse.org/journal/ijscai/current2014.html

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