| 重叠年轮式无源射频识别定位算法设计 |
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| 引用本文： | 刘捷,张金艺,查肇祥,陆亨立,周荣俊.重叠年轮式无源射频识别定位算法设计[J].上海交通大学学报,2012,46(11):1816-1820. |
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| 作者姓名： | 刘捷 张金艺 查肇祥 陆亨立 周荣俊 |
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| 作者单位： | （上海大学 a．特种光纤与光接入网省部共建教育部重点实验室；b．微电子研究与开发中心； c．教育部新型显示与系统应用重点实验室， 上海 200072） |
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| 基金项目： | 上海市科委项目(08706201000,08700741000);上海市教委重点学科项目(J50104) |
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| 摘 要： | 针对无源射频识别（RFID）定位问题，建立了重叠的读写器天线布局规划以及年轮式概率模型，提出了重叠年轮式定位算法，并通过Kp值修正以及双标签边缘修正实现精确定位.验证表明，与邻近算法相比，重叠年轮式无源RFID定位算法使定位误差降低了33.929%，同时定位误差概率累积分布曲线的收敛速度也显著提高.
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| 关 键 词： | 射频识别 室内定位 无源标签 重叠 |
| 收稿时间： | 2012-04-16 |
Overlapped Growth Ring Passive Radio Frequency Identification Positioning Algorithm Design |
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| LIU Jiea,ZHANG Jin-yia,b,c,ZHA Zhao-xianga, LU Heng-lia,ZHOU Rong-jun.Overlapped Growth Ring Passive Radio Frequency Identification Positioning Algorithm Design[J].Journal of Shanghai Jiaotong University,2012,46(11):1816-1820. |
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| Authors: | LIU Jiea ZHANG Jin-yia b c ZHA Zhao-xianga LU Heng-lia ZHOU Rong-jun |
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| Affiliation: | (a.Key Laboratory of Special Fiber Optics and Optical Access Networks，Ministry of Education；b.Microelectronic Research and Development Center； c.Key Laboratory of Advanced Displays and System Application, Ministry of Education, Shanghai University, Shanghai 200072, China) |
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| Abstract: | To solve the radio frequency identification(RFID) positioning problem, reader antennas’ layout and a growth ring probability model were established. Then, a growth ring positioning algorithm which uses Kp modification and double-tags-edge-revising was proposed to realize accurate positioning. The experimental results show that, compared to the proximity algorithm, the overlapped growth ring passive RFID positioning algorithm decreases the positioning error by 33.929% and the cumulative probability function of positioning error reaches high probability values faster. |
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| Keywords: | radio frequency identification （RFID） indoor positioning passive tag overlapped |
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