Journal
WIRELESS PERSONAL COMMUNICATIONS
Volume 98, Issue 1, Pages 1171-1205Publisher
SPRINGER
DOI: 10.1007/s11277-017-4914-8
Keywords
WSN; Clustering; Weighting; Parameter optimization; Network lifetime
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Clustering is an important way to realize energy saving in wireless sensor network. Combining the revelation of previous clustering protocols, we propose a new energy-efficient clustering routing protocol-WPO-EECRP. In order to achieve the goal of energy conservation, this protocol considers multiple clustering factors related to energy consumption to select cluster head such as residual energy, distance from node to base station, neighbors and number of neighbors through weighting, and finally transforms the question of efficient Clustering into the optimization of two parameters: neighbor communication range R and weight coefficient W of clustering factors. So the network is divided into clusters under the configuration of optimal parameters and , and operates until it completes data communication. Simulation results show that our proposed protocol can extend the network lifetime over 1.4 times as long as EECF and EACHP, two very representative clustering protocols published recently, significantly reduces the energy consumption, which has a good performance.
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