吉林大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (6): 1887-1894.doi: 10.13229/j.cnki.jdxbgxb201506024

• 论文 • 上一篇    下一篇

加入虚拟标签的射频识别室内定位算法

陈增强1,2,3, 国峰1,2, 牛攀峰1,2, 张青3   

  1. 1.南开大学 计算机与控制工程学院,天津 300071;
    2.南开大学 天津市智能机器人技术重点实验室, 天津 300071;
    3.中国民航大学 理学院,天津 300300
  • 收稿日期:2014-02-08 出版日期:2015-11-01 发布日期:2015-11-01
  • 作者简介:陈增强(1964-),男,教授,博士生导师.研究方向:智能预测控制,智能物联系统,多智能体系统控制.E-mail:chenzq@nankai.edu.cn
  • 基金资助:

    国家自然科学基金项目(61174094); 天津市自然科学基金项目(14JCYBJC18700,13JCYBJC17400)

Radio frequency identification indoor location algorithm with virtual tags

CHEN Zeng-qiang1,2,3, GUO Feng1,2, NIU Pan-feng1,2, ZHANG Qing3   

  1. 1.College of Computer & Control Engineering, Nankai University, Tianjin, 300071, China;
    2.Tianjin Key Laboratory of Intelligent Robotics, Nankai University, Tianjin, 300071, China;
    3.College of Science, Civil Aviation University of China, Tianjin 300300, China
  • Received:2014-02-08 Online:2015-11-01 Published:2015-11-01

摘要:

在路标(LANDMARC)定位算法的基础上,提出把多个参考标签作为一个整体来与待定位标签比较RSSI值,先找出待定位标签所在的区域范围,并在此区域范围内线性添加一些虚拟参考标签,最后通过加权估计来确定待定位标签的位置坐标。仿真实验和硬件测试结果表明:改进后的算法在没有增加任何硬件成本的同时,具有更好的稳定性和抗干扰性,并且定位精度也有显著提高,更适用于室内定位。

关键词: 计算机应用, 无源射频识别, 定位系统, 路标算法, 参考标签, 虚拟标签

Abstract:

This paper proposes a method to compare the Received Signal Strength Indicator (RSSI) of target tag with the RSSI of reference tags while taking many reference tags as a whole. First, this method figures out the area of target tag; then adds virtual reference tags in this area; and finally determines the position of target tag via weighted estimate. The simulation and hardware experiments demonstrate that the improved algorithm has better stability and stronger anti-interference without increasing any physical cost. Besides, the location accuracy is enhanced obviously, thus the algorithm is more applicable to indoor location system.

Key words: computer application, passive radio frequency identification, location system, LANDMARC algorithm, reference tag, virtual tag

中图分类号: 

  • TN911.23
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