Trust-Based Hierarchical Routing Protocol for Wireless Sensor Networks

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Provided by: International Journal of Information Processing
Topic: Networking
Format: PDF
Network Lifetime is an important issue in Wireless Sensor Networks. It depends on many factors like the amount of data to be communicated, number of nodes in the network and initial energy of the sensor nodes. This paper proposes a novel routing protocol by name Trust-Based Hierarchical Routing (TBHR) protocol for multi-hop hierarchical wireless sensor network. The proposed protocol is based on trust evaluated for every sensor node in the network. Trust of a sensor node comprises of components derived from communication and social networks. Trust of a sensor node depends on the residual energy of the node and the number of transactions it has with its neighbors and its cluster head. The proposed protocol has two fold benefits. First it allows more number of nodes in the network to participate in transmission to balance energy in the nodes and thus improves the network lifetime.
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