A novel sleep/wake protocol for target coverage based on trust evaluation for a clustered wireless sensor network Online publication date: Mon, 15-Jan-2018
by Pooja Chaturvedi; A.K. Daniel
International Journal of Mobile Network Design and Innovation (IJMNDI), Vol. 7, No. 3/4, 2017
Abstract: The advancement in the field of nanotechnology and its impact on processor technology has made the wireless communication more powerful and popular. Coverage and lifetime maximisation are two major challenges. The node scheduling approaches address these problems: 1) achieving the connectivity and desired coverage while keeping the optimal nodes in active state; 2) resolving conflicts while determining the nodes to keep in sleep state; 3) finding strategies that avoid waking up redundant nodes. A node scheduling protocol for target coverage as an extension of energy efficient coverage preserving protocol (EECP), which determined the set covers based on the coverage probability and trust values is proposed. The clustering mechanism based on residual energy, distance and degree of the nodes is used for the dynamic selection of cluster heads. The simulation results show that the proposed enhancement achieves the improvement in the network performance than the disjoint set cover (DSC) approach.
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