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分簇算法是无线传感器网络中实施分层路由所采用的重要方法,尤其是传感器节点受到能量和带宽的严重制约。如何合理、有效地利用分簇算法使得网络中节点的能量分布趋于一致,从而延长网络的生命周期,提高系统的整体性能指标,成为当前无线传感器网络研究领域内的热点问题之一。本文从能量有效性的角度出发,对最新的分簇算法进行研究与分析,指出如何根据无线传感器网络不同的分布区域、应用场景和多样的无线环境,生成性能优越的分簇算法。
Clustering algorithm is an important method to implement layered routing in wireless sensor networks, especially the sensor nodes are severely restricted by energy and bandwidth. How to use the clustering algorithm reasonably and effectively to make the energy distribution of the nodes in the network more consistent, so as to prolong the life cycle of the network and improve the overall performance index of the system becomes one of the hot issues in the field of current wireless sensor networks. This paper studies and analyzes the latest clustering algorithms from the energy efficiency point of view, and points out how to generate superior clustering algorithms according to different distribution areas, application scenarios and diverse wireless environments in WSNs.