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