| 一种改进的无线传感器网络节点定位算法 |
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| 引用本文： | 史洪宇.一种改进的无线传感器网络节点定位算法[J].电脑开发与应用,2010,23(11):16-18. |
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| 作者姓名： | 史洪宇 |
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| 作者单位： | 惠州学院,广东惠州516007 |
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| 基金项目： | 广东惠州市科学计划基金资助项目 |
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| 摘 要： | 分析了DV-Hop算法定位过程及误差产生原因,提出一种改进的DV-HOP算法。该改进算法不改变DV-Hop算法的定位过程,在平均每跳距离估计、节点位置估计方法等方面进行了改进,并用MATLAB7.0进行了仿真,仿真结果表明,该改进算法可极大地提高节点定位精度,并且不需要增加网络通信量和额外硬件支持。
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| 关 键 词： | 无线传感器网络 DV-Hop 节点定位 定位精度 |
An Improved Localization Algorithm in Wireless Sensor Network |
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| Shi Hongyu.An Improved Localization Algorithm in Wireless Sensor Network[J].Computer Development & Applications,2010,23(11):16-18. |
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| Authors: | Shi Hongyu |
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| Abstract: | After Analyzing the localization principle and error＇s reason of the DV-Hop algorithm,this paper proposes an improved DV-Hop algorithm,which do not change the localization process of the DV-Hop algorithm and have improvements including the estimation of average single hop distance and the estimation of node positions.MATLAB7.0 Simulation results show that the proposed improvements Can greatly enhance the localization accuracy of the unknown nodes.the proposed schemes need no further communication resource and additional hardware requirement. |
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| Keywords: | sensor network DV-Hop node localization lLocalization accuracy |
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