基于节点能耗的IEEE 802.11s路径选择优化方法

›› 2012, Vol. 42 ›› Issue (05): 1286-1290.

基于节点能耗的IEEE 802.11s路径选择优化方法

金冬成, 王珂, 冯琳函

吉林大学通信工程学院,长春 130012

收稿日期:2011-11-09 出版日期:2012-09-01 发布日期:2012-09-01
通讯作者: 王珂(1955-),男,教授,博士生导师.研究方向:图像处理,无线通信系统.E-mail:wangke@jlu.edu.cn E-mail:wangke@jlu.edu.cn
基金资助:
"863"国家高技术研究发展计划项目(2007AA12Z242).

Optimized IEEE 802.11s path selection method based on node power consumption

JIN Dong-cheng, WANG Ke, FENG Lin-han

College of Communications Engineering, Jilin University, Changchun 130012, China

Received:2011-11-09 Online:2012-09-01 Published:2012-09-01

摘要/Abstract

摘要： 在保证服务质量的前提下对节点的发射功率进行了优化,讨论了Mesh节点的能耗模型,将节点能耗情况引入到空时参数中,将其作为路径选择时的一个重要因素,得出改进的路径选择方法。采用NS-3仿真工具建立了网络拓扑结构,将改进路径选择方法的能量消耗及包传输时延情况与改进前进行了仿真对比分析。仿真结果表明,改进方法有效降低了节点能耗,同时引入节点能耗参量并不会带来过大的传输时延,保证了用户业务的QoS。

关键词: 通信技术, 无线网状网, 节点能耗, 路径选择, 空时消耗, 功率优化

Abstract: This paper first introduces the optimization method on node transmission power based Quality of Service (QoS), and then discusses the node power consumption model. The power consumption is taken into account for the calculation of air-time metric, which is also regarded as an important factor in path selection. The improved power consumption model and packet transmission delay are simulated as the output in NS-3 network environment. It is shown that the improved method effectively reduces the node power consumption, while the introduction of power consumption parameter does not bring too much delay, thus, the user QoS requirement is ensured.

Key words: communication, wireless mesh network, node power consumption, path selection, air-time metric, power optimization

中图分类号:

TP393.1

金冬成, 王珂, 冯琳函. 基于节点能耗的IEEE 802.11s路径选择优化方法[J]. , 2012, 42(05): 1286-1290.

JIN Dong-cheng, WANG Ke, FENG Lin-han. Optimized IEEE 802.11s path selection method based on node power consumption[J]. , 2012, 42(05): 1286-1290.

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