| UWB无线传感器网络的无线节点定位模型研究 |
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| 引用本文： | 余根坚,钱小聪.UWB无线传感器网络的无线节点定位模型研究[J].计算机工程与应用,2006,42(24):122-124. |
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| 作者姓名： | 余根坚 钱小聪 |
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| 作者单位： | 1. 福州大学数学与计算机科学学院,福州,350002;南京邮电大学通信与信息工程学院,南京,210003
2. 南京邮电大学通信与信息工程学院,南京,210003 |
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| 基金项目： | 国家自然科学基金;江苏省博士创新基金 |
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| 摘 要： | 文章提出了一个UWB(Ultra-wide Band)无线传感器网络的无线节点定位系统模型,仿真分析表明,对于四个参考节点都是LOS(Line Of Sight)路径到达传感器节点的情况,其定位的精确度相当高;但是,如果四个参考节点中有一个节点是NLOS(Non Line Of Sight)路径到达传感器节点的话,当信噪比低于30dB,则定位误差不小于5m,这时候要保证较高的定位准确度,就应该保证较高的信噪比或者增加参考节点数目。
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| 关 键 词： | UWB 无线传感器网络 定位模型 仿真 |
| 文章编号： | 1002-8331-（2006）24-0122-03 |
| 收稿时间： | 2006-02 |
| 修稿时间： | 2006-02 |
Study on Node Positioning Model of UWB Wireless Sensor Networks |
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| Yu Genjian,Qian Xiaocong.Study on Node Positioning Model of UWB Wireless Sensor Networks[J].Computer Engineering and Applications,2006,42(24):122-124. |
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| Authors: | Yu Genjian Qian Xiaocong |
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| Affiliation: | 1.Department of Mathematics and Computer Science,Fuzhou University,Fuzhou 350002; 2.Department of Telecommunication and Information Engineering,Nanjing University of Posts and Telecommunications, Nanjing 210003 |
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| Abstract: | A node positioning model of UWB wireless sensor networks is proposed,and positioning error of the model is investigated through simulation.High accuracy of positioning is achieved if all four reference nodes have LOS(Line of Sight) information path,however,even if one reference node does not has a LOS information path,the positioning error will no less than 5m when the SNR(Signal to Noise Rate) lower than 30dB,so the SNR or reference node should be increased to assure the positioning accuracy. |
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| Keywords: | UWB |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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