Abstract

Today, Wireless Sensor Network (WSN) is a vital technology required in every phase of development. During data aggregation in Wireless Sensor Network (WSN), there may be possibility of various types of failures. Apart from hardware failures, failures may occur due to bad channel conditions and energy drain. Hence a routing tree should be built towards each sink which is fault tolerant. In this study, we propose to develop a fault tolerant tree management technique in which every node selects a path towards the sink effectively and also maintains a backup path simultaneously. This can be achieved by mutual communication between the neighboring nodes in the network. The backup path is selected based on the link quality, residual energy and load metrics. Simulation results show that the proposed technique reduces the delay and overhead and improves packet delivery ratio.

Keywords:

Fault tolerant tree, packet delivery ratio, wireless sensor network,

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Competing interests

The authors have no competing interests.

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