The ability to track an active radio-frequency identification (RFID) tag using wireless techniques is an area of increasing interest and research. In particular, applications where obstructions may interfere or inhibit the use of more common wireless techniques, such as ultra-wideband (UWB) and global positioning systems (GPS), are often encountered. In this poster, we present a wireless position tracking approach using magnetoquasistatic fields and show that it is an excellent technique for locating an active RFID tag. Our approach enables long range position tracking of an active tag and is unimpeded by obstructions with weakly conducting dielectric, such as groups of people .
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