| 一种基于RFID的室内车载监控系统定位方法的设计与实现 |
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| 引用本文： | 蒋浩,高春华,张林,叶保留,陆桑璐.一种基于RFID的室内车载监控系统定位方法的设计与实现[J].计算机科学,2012,39(2):29-33. |
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| 作者姓名： | 蒋浩 高春华 张林 叶保留 陆桑璐 |
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| 作者单位： | 南京大学计算机软件新技术国家重点实验室 南京210093 |
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| 基金项目： | 国家自然科学基金，江苏省科技支撑计划，江苏省自然科学基金 |
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| 摘 要： | 室内定位是智能家居系统中实现居境信息自主巡检的基础支撑技术。针对现有室内定位算法的不足,提出了一种基于RFID的新型室内定位方法。该方法建立基于RFID标签映射的地面坐标,借助电子罗盘获取车载系统方向,通过向量方法计算出车载系统的中心位置,有效地解决了室内定位的精度与稳定性问题。基于该方法,设计并实现了一个室内车载监控系统,验证了算法的有效性。
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| 关 键 词： | 室内定位 RFID 电子罗盘 向量投影算法 |
Design and Implementation of a RFID Based Positioning Method for Indoor Vehicle Monitoring System |
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| JIANG Hao
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GAO Chun-hua
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ZHANG Lin
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YE Bao-liu
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LU Sang-lu.Design and Implementation of a RFID Based Positioning Method for Indoor Vehicle Monitoring System[J].Computer Science,2012,39(2):29-33. |
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| Authors: | JIANG Hao GAO Chun-hua ZHANG Lin YE Bao-liu LU Sang-lu |
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| Affiliation: | JIANG Hao GAO Chun-hua ZHANG Lin YE Bao-liu LU Sang-lu(National Key Laboratory for Novel Software Technology,Nanjing University,Nanjing 210093,China) |
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| Abstract: | Indoor positioning is one of the key techniques for supporting home environment inspection over smart home.We presented a RFID based indoor positioning method and implemented a smart vehicle system with it to support spontaneous home environment monitoring.In the proposed approach,we first built up an indoor coordinate system using a set of deployed RFID tags,and then dynamically detected the moving direction of vehicle system with an electronic compass.We further presented a vector projection algorithm to compute the center location of the vehicle system,thus improving the precision of indoor positioning.The real performance of the implemented vehicle system shows that our proposed RFID based indoor positioning method can work effectively and efficiently. |
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| Keywords: | Indoor positioning RFID Electronic compass Vector projection algorithm |
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