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Optimization of Head Cluster Selection in WSN by Human-Based Optimization Techniques

Computers, Materials & Continua 2022年第9期72卷 5643-5661页

作者： hajer faris Musaria Karim Mahmood Osama Ahmad Alomari Ashraf Elnagar Department of Electrical&Electronics Engineering Istanbul Gelisim UniversityIstanbul34310Turkey Department of Energy Systems Engineering Ankara Yildirim Beyazit UniversityAnkara06010Turkey MLALP Research Group University of SharjahSharjah27272UAE Department of Computer Science University of SharjahSharjah27272UAE

Wireless sensor networks(WSNs)are characterized by their ability to monitor physical or chemical phenomena in a static or dynamic location by collecting data,and transmit it in a collaborative manner to one or more processing centers wirelessly using a routing *** dissipation is one of the most challenging issues due to the limited power supply at the sensor *** routing protocols are large consumers of energy,as they represent the main source of energy cost through data exchange *** hierarchical routing algorithms are known for their good performance in energy conservation during active data exchange in *** most common of this type of protocol is the Low-Energy Adaptive Clustering Hierarchy(LEACH),which suffers from the problem of the pseudo-random selection of cluster head resulting in large power *** critical issue can be addressed by using an optimization algorithm to improve the LEACH cluster heads selection process,thus increasing the network *** paper proposes the LEACH-CHIO,a centralized cluster-based energyaware protocol based on the Coronavirus Herd Immunity Optimizer(CHIO)*** is a newly emerging human-based optimization algorithm that is expected to achieve significant improvement in the LEACH cluster heads selection ***-CHIO is implemented and its performance is verified by simulating different wireless sensor network scenarios,which consist of a variable number of nodes ranging from 20 to *** evaluate the algorithm performances,three evaluation indicators have been examined,namely,power consumption,number of live nodes,and number of incoming *** simulation results demonstrated the superiority of the proposed protocol over basic LEACH protocol for the three indicators.

关键词： WSN LEACH coronavirus herd immunity optimizer cluster head selection

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