Abstract
Clustering in LEACH and its successors has been proved to be effective for not only improving energy efficiency but also extending network lifetime of wireless sensor networks. However, minimization of network energy consumption is still the most important topic in the research of hierarchical protocols based on LEACH. In this paper, an improved multi-hop LEACH protocol based on chaotic genetic algorithm (ICGA-LEACH) is proposed to obtain the optimal solution for energy efficiency and load balance at the same time. In ICGA-LEACH, cluster heads (CHs) are selected by a modified probability equation similar to LEACH, and then chaotic genetic algorithm is used to find the optimal routing paths and cluster members for the CHs according to a new constructed fitness function. Additionally, an adaptive round time is presented to further reduce energy consumption and prolong network lifetime. Simulation results in Matlab indicate that ICGA-LEACH is significantly superior to the existing relevant counterparts.
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Acknowledgements
We are grateful to the anonymous reviewers who have contributed to the enhancement of the paper’s completeness with their valuable suggestions.
Funding
This work are supported by the science and technology development projects of Jilin province [Grant numbers 20210201051GX and 20210203161SF], and the education department project of Jilin province [Grant number JJKH20220686KJ].
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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by Wang Chuhang, Hu Huangshui and Wang Tingting. The first draft of the manuscript was written by Wang Chuhang and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Chuhang, W., Huangshui, H. & Tingting, W. An Improved Multi-hop LEACH Protocol Based on Chaotic Genetic Algorithm for Wireless Sensor Networks. Wireless Pers Commun 134, 1843–1862 (2024). https://doi.org/10.1007/s11277-024-10988-6
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DOI: https://doi.org/10.1007/s11277-024-10988-6