Fault Tolerant, Energy Saving Method for Reliable Information Propagation in Sensor Network

Provided by: Interscience Open Access Journals
Topic: Mobility
Format: PDF
The reliability of Wireless Sensor Networks (WSN) is affected by faults that may occur due to various reasons such as malfunctioning hardware, software glitches, dislocation, or environmental hazards, e.g. fire or flood. Due to inherent nature of these networks a sensor node may fail and hence the route may also fail. A WSN that is not prepared to deal with such situations may suffer a reduction in overall lifetime, or lead to hazardous consequences in critical application contexts. One of the major fault recovery techniques is the exploitation of redundancy, which is often a default condition in WSNs. Another major approach is the involvement of base stations or other resourceful nodes to maintain operations after failures.

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