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基于小波分析的WSN能量洞定位方法 被引量：1

WSN Energy Hole Localization Method Based on Wavelet Analysis
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摘要 在无线传感器网络中,局部高流量通信任务可能导致能量洞问题,从而大幅缩短网络寿命。针对该问题,提出一种基于小波分析的能量洞定位算法WABEHL。该算法对网络通信能力分布图进行小波变换,利用最低频子带LL1标准差判断网络是否出现能量洞,在此基础上对二值化的LL1进行Hough变换,以确定能量洞的具体位置及几何尺寸。仿真实验结果表明,对于不同位置、不同几何尺寸的能量洞,该算法均能准确定位。 在无线传感器网络中,局部高流量通信任务可能导致能量洞问题,从而大幅缩短网络寿命。针对该问题,提出一种基于小波分析的能量洞定位算法WABEHL。该算法对网络通信能力分布图进行小波变换,利用最低频子带LL1标准差判断网络是否出现能量洞,在此基础上对二值化的LL1进行Hough变换,以确定能量洞的具体位置及几何尺寸。仿真实验结果表明,对于不同位置、不同几何尺寸的能量洞,该算法均能准确定位。
作者 李巍 韩九强 钟德兴
机构地区 西安交通大学电信学院自动化研究所智能网络与网络安全教育部重点实验室
出处 《计算机工程》 CAS CSCD 北大核心 2011年第S1期92-94,97,共4页 Computer Engineering
基金 国家自然科学基金资助项目(60972146) 中央高校基本科研业务费专项基金资助项目
关键词 无线传感器网络 能量洞 小波变换 小波分析 通信能力 Wireless Sensor Network(WSN) energy hole wavelet transform wavelet analysis communication ability
分类号 TP3 [自动化与计算机技术—计算机科学与技术]
  • 相关文献

参考文献9

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共引文献7

同被引文献16

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计算机工程
2011年 第S1期

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