| 基于无线传感器网络的定位系统设计 |
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| 引用本文： | 张俊霞,汪炀,李善亮.基于无线传感器网络的定位系统设计[J].计算机工程与应用,2008,44(17):67-70. |
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| 作者姓名： | 张俊霞 汪炀 李善亮 |
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| 作者单位： | 1.中国科学技术大学 计算机科学与技术系，合肥 230027 2.中国科学技术大学 苏州研究院，江苏 苏州 215123 |
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| 基金项目： | 国家发展和改革委员会资助项目 |
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| 摘 要： | 无线定位应用需求日益增长，研究无线传感器网络的定位应用具有重要意义。首先介绍基于无线传感器网络的定位系统的软硬件结构，然后从能量消耗、网络通信量和可靠性等方面来分析和选择移动结点的工作方式，并提出了使信标结点实现动态快速组网、提高网络通信效率和通信链路稳定性等所采取的措施，最后给出了在TinyOS下传感器结点的程序结构和实现，以及在服务器端实现的改进的加权质心定位算法。
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| 关 键 词： | 无线传感器网络 定位系统 传感器结点 TinyOS 定位算法 |
| 收稿时间： | 2007-12-5 |
| 修稿时间： | 2008-2-25
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Design of location system based on wireless sensor networks |
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| ZHANG Jun-xia,WANG Yang,LI Shan-liang.Design of location system based on wireless sensor networks[J].Computer Engineering and Applications,2008,44(17):67-70. |
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| Authors: | ZHANG Jun-xia WANG Yang LI Shan-liang |
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| Affiliation: | 1.Department of Computer Science and Technology，University of Science and Technology of China，Hefei 230027，China 2.Suzhou Institute for Advanced Study，University of Science and Technology of China，Suzhou，Jiangsu 215123，China |
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| Abstract: | The demand for wireless location application is increasing rapidly，so it is important to research the location application of wireless sensor networks.This paper first introduces the hardware and software architecture of the location system based on wireless sensor networks，and then selects the operation mode for mobile nodes after analyzing their energy consumption，communication traffic，and reliability，and provids some measures for beacon nodes to speed-up their networks buildup，and to improve the communication efficiency and linkage stability of the networks，finally presents the sensor node’s program structure and implement in TinyOS environment，and the implement of the improved weight-centralized location algorithm on the server. |
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| Keywords: | wireless sensor networks location system sensor node TinyOS location algorithm |
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