| 一种基于可移动锚节点的DV-HOP改进定位算法 |
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| 引用本文： | 胡淼,陶正苏. 一种基于可移动锚节点的DV-HOP改进定位算法[J]. 电子设计工程, 2011, 19(24): 98-101 |
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| 作者姓名： | 胡淼 陶正苏 |
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| 作者单位： | 上海交通大学电子信息与电气工程学院,上海,200240 |
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| 摘 要： | 当节点不均匀分布时,DV-Hop的定位精度较差。针对DV-Hop定位算法的缺陷,提出一种基于移动锚节点的改进DV-Hop定位算法。在网络中引入具有一定移动能力的锚节点,并构建锚节点之间的虚拟力模型,锚节点受到虚拟力作用发生移动,从而均匀的分布于整个网络,修正了DV-Hop对不均与分布网络适应性差的特点。仿真实验表明,与原始算法相比改进后的算法定位精度有较大提高。
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| 关 键 词： | 无线传感网络 虚拟力模型 DV-Hop 定位精度 |
A modified DV-Hop location algorithm based on mobile anchor node |
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| HU Miao,TAO Zheng-su. A modified DV-Hop location algorithm based on mobile anchor node[J]. Electronic Design Engineering, 2011, 19(24): 98-101 |
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| Authors: | HU Miao TAO Zheng-su |
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| Affiliation: | (Department of Electronic Information and Electrical Engineering,Shanghai Jiaotong University,Shanghai 200240,China) |
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| Abstract: | In the situation of that nodes are distributed unevenly on monitored area,the DV-Hop location algorithm get low location accuracy. To overcome this disadvantage of DV-Hop location algorithm, a modified DV-I-Iop location algorithm based on mobile anchor node which named MAN-DV Hop is proposed. This MAN-DV Hop introduced mobile anchor nodes into network, and create a math model of virtual force between two anchor nodes. The virtual force make anchor node move to new location as a result that anchor nodes are evenly distributed on monitored area, and MAN-DV Hop do away with shortcoming of DV-Hop at the situation that nodes are distributed unevenly. Simulation experiments prove that, in aspects of location accuracy, MAN-DV Hop has great advantage over traditional algorithms. |
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| Keywords: | wireless sensor network virtual force model DV-Hop location accuracy |
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