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基于TDOA技术的自适应定位系统研究 被引量：7

Research on Self-update Localization System Based on TDOA
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摘要 分析了现有基于TDOA测距技术的无线传感器网络定位系统;针对因锚节点移动而造成的锚节点位置信息失效问题,提出锚节点自适应状态转换机制,即时更新锚节点的位置信息;并针对由于可用锚节点数量不足而造成的非三边定位问题,给出了基于邻居锚节点位置信息的解决方法;最后在Cricket室内定位系统中引入并实现了方案,实验证明该方案可以有效地解决此类问题,具有一定的应用意义。 By analyzing existed localization systems of WSN based on time difference of arrival （TDOA） ranging, the problem that mobile anchor nodes might destroy the stabilization of wireless sensor networks（WSN） is solved by inserting the self-update state changing algorithm into localization system. The non-trilateration problem caused by shortage of anchor nodes is also solved by using the neighbor nodes＇ information. Finally, based on platform of Cricket the design and implementation of the scheme are completed successfully.
作者 樊晓翔 王福豹 严国强
机构地区 西北工业大学宽带网络技术研究所
出处 《计算机测量与控制》 CSCD 北大核心 2009年第4期727-731,共5页 Computer Measurement &Control
基金 国家自然科学基金项目(60472074)
关键词 无线传感器网络 TDOA 自适应定位 非三边定位 WSN （Wireless sensor networks） TDOA self-update localization non-trilateration
分类号 TP301 [自动化与计算机技术—计算机系统结构]
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参考文献13

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二级参考文献69

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共引文献683

同被引文献50

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引证文献7

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计算机测量与控制
2009年 第4期

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