SixthSense: RFID-based Enterprise Intelligence
Proceedings of the 6th international conference on Mobile systems, applications, and services
On Object Identification Reliability Using RFID
Mobile Networks and Applications
Wireless Networks
Self-calibration of RFID reader probabilities in a smart real-time factory
Pervasive'12 Proceedings of the 10th international conference on Pervasive Computing
Journal of Biomedical Informatics
Real-time personal protective equipment monitoring system
Computer Communications
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Radio Frequency Identification (RFID) technology has the potential to dramatically improve numerous industrial practices. However, it still faces many challenges, including security and reliability, which may limit its use in many application scenarios. While security has received considerable attention, reliability has escaped much of the research scrutiny. In this work, we investigate the reliability challenges in RFID-based tracking applications, where objects (e.g., pallets, packages, and people) tagged with low-cost passive RFID tags pass by the RFID reader's read zone. Our experiments show that the reliability of tag identification is affected by several factors, including the inter-tag distance, the distance between the tag and antenna, the orientation of the tag with respect to the antenna, and the location of the tag on the object. We demonstrate that RFID system reliability can be significantly improved with the application of simple redundancy techniques.