Abstract
According to the energy bottleneck of the wireless sensor network, the LEACH algorithm is improved in this paper, in the LEACH algorithm, it maybe that the cluster head nodes are far from the base station, and cluster head node has non-uniform distribution, in this case, nodes soon died after consuming energy, so the focus from three aspects of the optimal number of the cluster head and uniform distribution and many jump communication to improve, the improved algorithm through the simulation tests show that network node energy has been obviously saved, at the same time the lifecycle of the system is also effectively extension. In the application of the wireless sensor, we should always hold the principle of energy-first, therefore the LEACH which is a hierarchical routing protocol can save energy has played a crucial role, but the optimal number of the cluster head and uniform distribution can’t be archived because of the change of the location of the cluster head nodes. In addition, when the cluster head far away from center sink node communicate with center sink node, the cluster head will exhaust energy quickly to die, that may affect lifecycle of whole of monitoring network and lead to worse expansibility. For some problems of the LEACH algorithm, the LEACH algorithm is improved in this paper from three aspects of the optimal number of the cluster head and uniform distribution and many jump communication, the improved algorithm through the simulation tests show that network node energy has been obviously saved.
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Acknowledgments
This Research was supported by the National Natural Science Foundation of China under Grant 61300234, key Project of the Hunan Provincial Education Office Science Research of China under Grant 14A121, the Science Fund for Distinguished Young Scholars of Hunan Provincial Education Office under Grant 12B110, the Construct Program of the key Laboratory in University of South China (computer science and technology), the Postgraduates Scientific Research Innovation Project of University of South China under Grant 2013XCX19, the Hengyang City Science and Technology Plan under Grant 2012KG71.
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Xia, S., Tan, M., Zhao, Z., Xiang, T. (2016). Improvement for LEACH Algorithm in Wireless Sensor Network. In: Che, W., et al. Social Computing. ICYCSEE 2016. Communications in Computer and Information Science, vol 623. Springer, Singapore. https://doi.org/10.1007/978-981-10-2053-7_26
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DOI: https://doi.org/10.1007/978-981-10-2053-7_26
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