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高斯分布下的WSN能量均衡算法 被引量：1

Balanced Energy Algorithm for Wireless Sensor Network based on Gaussian Distributed
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摘要 针对无线传感器网络能量有限的问题,从稳定性的角度出发,提出一种在低功耗自适应分簇路由算法(LEACH)的基础上的改进算法。该算法首先确定高斯分布下最优簇头数目,在一个周期内,节点能量高于网内平均可用能量可以多次竞选簇头,并相应地延长周期的轮数。经仿真结果表明,在高斯分布下每一轮簇头的数量保持在最优簇头数目上下,改进协议能获得比LEACH协议更长的网络稳定期,更高的能量利用率。 Aiming at the energy limitation in wireless sensor network,this paper,from the angle of stability proposes an improved algorithm based on LEACH（Low Energy Adaptive Clustering Hierarchy）.This algorithm determines the optimal number of cluster head,and the nodes with more surplus energy than average available energy could have more opportunities to compete for a master cluster head within a circle.The round number of the circle is accordingly prolonged.The simulation results show that,as compared with LEACH protocol,the cluster-head number of each round in Gaussian distribution could be kept on optimal cluster-head number,and the proposed protocol could lead to longer sensor network lifetime,and higher energy efficiency.
作者 金帅 王琪 吴义魁 江民俊
机构地区 南昌航空大学信息工程学院
出处 《通信技术》 2011年第6期110-112,115,共4页 Communications Technology
关键词 无线传感器网络 高斯分布 LEACH协议 wireless sensor network Gaussian distribution LEACH protocol
分类号 TP393 [自动化与计算机技术—计算机应用技术]
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参考文献7

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共引文献20

同被引文献11

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通信技术
2011年 第6期

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