Basically used for contactless identification, Radio Frequency Identification (RFID) technology was originally thought as a complement for the drawbacks of the Barcode. Due to its capabilities and on-going drop in cost, researchers have started to look into other areas where RFID can be employed. One such area of research is Real-Time Location Tracking (RTLT), especially for indoor environments. While technologies such as Ultra-Sound, Infrared, WiFi, Bluetooth and GSM have been considered for indoor localisation, their requirements for line of sight and/or prohibitive cost have hindered their successful adoption. We are therefore presenting a lowcost solution using RFID technology which we refer to as the ‘Overlapping Zone Partitioning ’ (OZP) technique that can be implemented using basic off-the-shelf RFID Readers and which has been derived from the zonebased localisation technique. We have successfully implemented OZP and evaluated its performance. It has been found that its accuracy is enhanced by nearly 40 % in comparison to a normal zone-based localisation system. Its performance in terms of correct zone classification is within the range of 80-90%
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