基于RFID技术的方向感知方法研究

郭凤鸣; 李兵; 何怡刚

doi:2016.02.010

基于RFID技术的方向感知方法研究

doi: 2016.02.010

1.
湖南机电职业技术学院, 长沙410151 2. 合肥工业大学~~电气与自动化工程学院, 合肥 230009

基金项目:

湖南省科技厅科学计划项目(2014FJ6017), 湖南省教育厅科学研究项目(13C260), 中国博士后基金(2014M561820)}

详细信息

作者简介:
郭凤鸣, 男(土家族), 工程硕士, 副教授,研究方向为无线传感器网络、射频测试

通讯作者:
何怡刚, 男,教授、博士生导师，研究方向为电工科学和信息科学等多学科交叉国际学术前

中图分类号: TN911.23
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出版历程
- 收稿日期: 2015-04-14
- 刊出日期: 2016-03-25

A novel orientation sensing method based on\\RFID technology

摘要

摘要: 目标物方向感知是供应链及设备管理等射频识别\,(Radio Frequency Identification, RFID)\,应用领域中亟需解决的问题.基于\,RFID\,工作原理及天线散射理论, 给出了超高频\,(Ultra High Frequency, UHF) RFID\,系统链路模型. 利用天线极化分集理论,提出了一种基于\,RFID\,技术的目标物方向感知方法.该方法是给目标物贴附两个标签,通过改变阅读器天线极化方向获取分集接收信号强度,并对所得数据进行统计分析, 根据分析结果估计目标物方向.在室内开阔环境下对该方法进行了测试. 测试结果表明,该方法对目标物方向平均估计误差为\,10.1$^{\circ
- 方向感知 /
- 射频识别 /
- 极化分集 /
- 统计分析
Abstract: It is critical to sense orientation of target objects for radio frequency identification (RFID) applications, such as supply chain, equipment management, and so on. Based on the principles of ultra high frequency radio frequency identification (UHF RFID) and the theory of antenna scattering, a link budgets model of RFID is provided. Utilizing the technology of RFID and polarization diversity, a novel method for sensing the orientation is presented. The method requires standard RFID equipment and assumes that each object is attached by two RFID tags. Based on the received signal strength of the tag reply, orientation of the target object is obtained by using of a simple statistical estimator. The performance of the method proposed is evaluated via experimental measurements, and the results show that the mean estimated error of orientation sensing is 10.1^{\circ}
- orientation sensing radio frequency identification polarization diversitystatistical analysis /

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参考文献(1)

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