Improvement of Cluster-Head Selection Mechanism Based on LEACH Protocol in Wireless Sensor Networks

Abstract:

In order to prolong the lifetime of wireless sensor networks, improvement of cluster-head selection mechanism based on LEACH protocol is proposed. To make the energy distribution more uniform, we consider the relationship of the density of nodes, residual energy of nodes and distance between nodes and Sink node. It eliminates the defect of energy consumption imbalance in the network caused by random position of cluster-heads and the problem of premature death of nodes caused by low energy nodes becoming cluster-heads. Simulation results show that compared with LEACH algorithm, the improved algorithm extend the network lifetime.

• Periodical: Advanced Materials Research (Volumes 989-994)
• Pages: 4273-4276
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.989-994.4273
• Online since: July 2014
• Authors: Shi Ping Fan*, Xiao Di Zhang, Hai Li Wang
• Keywords: Density, Distance, Leach Protocol, Residual Energy

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