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一种在非视距环境中的移动节点定位方法 被引量：9

A novel localization algorithm for wireless mobile sensor nodes in NLOS environment.
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摘要 在移动节点射频定位技术基础上,根据自主移动节点运动的特点,提出一种能够减轻非视距NLOS影响的定位算法nLAEL.该算法首先利用移动节点的速度信息,构造相对定位轨迹;然后通过相对定位轨迹和射频定位的比较实现对位置和方向的估计,获取定位结果;最后估计射频定位精度,区分出失真的射频定位结果,以减小NLOS的影响.本算法计算简单,是一种实用的移动节点定位方法.仿真实验结果证明了算法的有效性. An effective location method-nLAEL （Location and Attitude Estimation based Localization） was present to obtain accurate position estimation for mobile nodes and mitigate the influence of the NLOS propagation. Firstly, the relative trace was obtained by using velocity information. And then the final location was acquired while the global optimum solution was obtained by comparing relative localization and radio localization. Finally, a threshold was set to distinguish obvious deviation from radio localization. The nLAEL is available when sensors can know the velocity information. Simulation result showed that nLAEL can improve the precision of estimation with great robustness even when NLOS exists.
作者 陈桂忠 董利达 兰守珍
机构地区 浙江大学电子电路与信息系统研究所
出处 《浙江大学学报（理学版）》 CAS CSCD 北大核心 2009年第1期52-56,61,共6页 Journal of Zhejiang University（Science Edition）
基金 国家自然科学基金资助项目(60503027) 十一五国家"863"项目(2006AA040309) 浙江省重点科技计划项目(2007C21046)
关键词 无线传感器网络 移动节点定位 位姿评估 非视距 wireless sensor networks mobile node localization location and attitude estimation（LAE） Non-lineof-sight （NLOS）
分类号 TP393 [自动化与计算机技术—计算机应用技术]
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参考文献10

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二级参考文献53

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共引文献671

同被引文献68

  • 1李渝,李青.常见无线通信定位技术研究[J].无线通信技术,2012,21(1):8-12. 被引量：6
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  • 3徐政五,鲁晓倩,甘露,李会勇.移动台定位跟踪算法的研究[J].电子科技大学学报,2005,34(5):596-599. 被引量：2
  • 4张令文,谈振辉.基于泰勒级数展开的蜂窝TDOA定位新算法[J].通信学报,2007,28(6):7-11. 被引量：38
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引证文献9

二级引证文献105

浙江大学学报（理学版）
2009年 第1期

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