Improved RFID indoor positioning algorithm based on reference tags' credibility and deviation correction

doi:10.11772/j.issn.1001-9081.2014.11.3170

Journal of Computer Applications ›› 2014, Vol. 34 ›› Issue (11): 3170-3172.DOI: 10.11772/j.issn.1001-9081.2014.11.3170

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Improved RFID indoor positioning algorithm based on reference tags' credibility and deviation correction

WANG Dong¹,²,GE Wancheng¹,MO Guomin²,WANG Yunguang²

1. College of Electronics and Information Engineering, Tongji University, Shanghai 200092, China;
2. Department of Medical Electronic Information, Shanghai Medical Instrumentation College, Shanghai 200093, China

Received:2014-07-28 Revised:2014-08-01 Online:2014-12-01 Published:2014-11-01
Contact: WANG Dong

基于参考标签可信度和偏差自校正的RFID室内定位算法

汪冬¹,²,葛万成¹,莫国民²,王云光²

1. 基于参考标签可信度和偏差自校正的RFID室内定位算法
2. 上海医疗器械高等专科学校医学电子与信息工程系,上海 200093

通讯作者: 汪冬
作者简介:汪冬(1978-),女,安徽芜湖人,副教授,博士研究生,主要研究方向:室内定位;葛万成(1964-),男,湖北襄阳人,教授,博士生导师,主要研究方向:信息与通信工程;莫国民(1963-),男,上海人,高级工程师,主要研究方向:医用电子仪器;王云光(1964－)，男，山西晋中人，副教授，〖BP(〗硕士生导师,〖BP)〗主要研究方向：医学信息挖掘。

Abstract

Abstract:

After analyzing a classical Radio Frequency Identification (RFID) indoor positioning system named LANDMARC, an improved RFID indoor positioning algorithm based on reference tags' credibility and deviation correction was proposed to enhance the positioning accuracy. This algorithm introduced reference tags to assist in positioning process. After checking the credibility of all nearest neighbour reference tags, a small number of incredible tags were discarded. Then the system did deviation correction of positioning aiming at these final selected nearest neighbor reference tags. At last, the position of the tag to be positioned was calculated. The experimental results show that, compared with the original LANDMARC, this algorithm improves positioning accuracy and is suitable for the application of indoor objects.

摘要：

为了提高室内定位系统的定位精度,在典型射频识别(RFID)定位系统LANDMARC基础之上,提出了基于参考标签可信度和偏差自校正的RFID室内定位改进算法。该算法引入参考标签辅助定位,先检查每个最近邻参考标签的可信度,舍弃不可信的参考标签；同时，针对最终选定的最近邻参考标签进行定位偏差的自校正,计算出待定位标签的最终估计位置。实验结果表明,与LANDMARC系统相比,改进算法提高了室内定位的精度,适合于室内人和物的定位应用。

CLC Number:

TP391

WANG Dong GE Wancheng MO Guomin WANG Yunguang. Improved RFID indoor positioning algorithm based on reference tags' credibility and deviation correction[J]. Journal of Computer Applications, 2014, 34(11): 3170-3172.

汪冬葛万成莫国民王云光. 基于参考标签可信度和偏差自校正的RFID室内定位算法[J]. 计算机应用, 2014, 34(11): 3170-3172.

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Improved RFID indoor positioning algorithm based on reference tags' credibility and deviation correction

基于参考标签可信度和偏差自校正的RFID室内定位算法

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