LOCATION ESTIMATION OF MOBILE SYSTEMS USING PASSIVE RFID TAGS IN AN INDOOR ENVIRONMENT

Jahng Hyon Park () and Yong-Kwan Ji ()
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Jahng Hyon Park: School of Mechanical Engineering, Hanyang University, Seoul 133-791, Korea
Yong-Kwan Ji: School of Mechanical Engineering, Hanyang University, Seoul 133-791, Korea

International Journal of Modern Physics C (IJMPC), 2009, vol. 20, issue 04, 619-632

Abstract: This paper presents methods of localization of mobile systems using recent Radio Frequency Identification (RFID) technology. We consider an indoor environment where RFID tags are implanted along the wall or in objects in the room. If the absolute position and orientation of a tag are read by an RF reader, a mobile system can estimate its location using the information saved in the tags. A reader-tag model is obtained through experiments in order to derive relative positions and orientations between an antenna and an RFID tag. To estimate the location, we propose two estimation methods. One uses a single RFID tag and the other uses multi-RFID tags. Experimental results show that the proposed methods can provide good performance for mobile system localization in an indoor environment.

Keywords: Location estimation; RF reader; passive RFID tag (search for similar items in EconPapers)
Date: 2009
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DOI: 10.1142/S0129183109013844

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