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Electronics 2017, 6(1), 6; doi:10.3390/electronics6010006

The Implementation of a High-Frequency Radio Frequency Identification System with a Battery-Free Smart Tag for Orientation Monitoring

STMicroelectronics d.o.o., Tehnološki Park 21, 1000 Ljubljana, Slovenia
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Academic Editors: Ali Shemshadi and Michael Sheng
Received: 19 September 2016 / Revised: 22 December 2016 / Accepted: 28 December 2016 / Published: 4 January 2017
(This article belongs to the Special Issue RFID Systems and Applications)
View Full-Text   |   Download PDF [725 KB, uploaded 4 January 2017]   |  

Abstract

Energy-harvesting passive RFID (radio frequency identification) tags provide countless possibilities as so-called smart tags. Smart tags can communicate with existing RFID readers or interrogators while providing a battery-less platform for internal and external sensors to enrich available information about the environment and smart tag it. A reduced cost and size as well as an increased lifespan and durability of battery-free smart tags offer improvements in areas such as transportation and product tracking. Battery-free smart tags can ideally support arbitrarily complex sensor measurements, but in reality energy limitations can introduce great reductions in operating range and thus application range. In this work, we present an example application of a smart tag with a passive HF (high-frequency) RFID tag IC (integrated circuit) and MEMS (micro electro-mechanical structure) sensor. A standard HF RFID reader connected to a PC (personal computer) allowed the RF (radio frequency) field to power and communicate with the smart tag. A Kalman filter, implemented on a PC, was used to correct and improve the raw sensor data of smart tag orientation. Measurement results showed that the MEMS sensor on the smart tag could be powered for continuous operation and that raw smart tag orientation data could be read while in the RF field of a standard HF RFID reader, but at a limited range. View Full-Text
Keywords: RFID; contactless sensor; data logging; energy harvesting; Kalman filter; smart tag RFID; contactless sensor; data logging; energy harvesting; Kalman filter; smart tag
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Svete, T.; Suhadolnik, N.; Pleteršek, A. The Implementation of a High-Frequency Radio Frequency Identification System with a Battery-Free Smart Tag for Orientation Monitoring. Electronics 2017, 6, 6.

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