| 基于网络流的无线传感网负载均衡问题算法 |
| |
| 引用本文： | 洪孙焱,申时凯,阿圆.基于网络流的无线传感网负载均衡问题算法[J].云南民族大学学报(自然科学版),2014(1):11-14. |
| |
| 作者姓名： | 洪孙焱 申时凯 阿圆 |
| |
| 作者单位： | ;1.昆明学院信息技术学院;2.昆明市物联网及泛在工程技术中心;3.函馆未来大学 |
| |
| 摘 要： | 在大规模无线传感器网络中,普通节点与有较大能源和计算能力的网关节点相连,由网关融合成员节点的数据并实现数据的长距离路由转发.网关节点负载均衡问题是无线传感器网络路由中的关键问题,Low给出了负载均衡问题一个近似度为3/2的算法,我们举出反例证明此算法的近似度不可能为3/2,并设计了一种新的近似度为2的基于网络流的算法.实验仿真表明,在节点数较多的大规模传感网络中,新算法的近似度更低.
|
| 关 键 词： | 无线传感器网络 网络流 负载均衡问题 近似算法 |
A new algorithm based on network flow for LBCP of wireless sensor networks |
| |
| Institution: | ,School of Information Technology,Kunming University,Kunming IOT and Ubiquitous Engineering Center,Future University - Hakodate |
| |
| Abstract: | The load- balanced clustering problem( LBCP) for wireless sensor networks is related to the grouping of the sensor nodes into clusters to enhance the overall scalability of the network. A selected set of nodes,known as gateway nodes,will act as cluster-heads for each cluster and the objective is to balance the load among these gateways. C. P. Low has proposed a 3 /2 approximation algorithm for this problem. This paper has proved that the main lemmas are wrong. It also designs a novel 2- approximation algorithm based on network flow for this problem. It has proved that this algorithm can get better solutions than C. P. Low's algorithm in large wireless sensor networks. |
| |
| Keywords: | wireless sensor networks network flow LBCP approximation algorithm |
| 本文献已被 CNKI 等数据库收录！ |
|
