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International Journal on Smart Sensing and Intelligent Systems

Professor Subhas Chandra Mukhopadhyay

Exeley Inc. (New York)

Subject: Computational Science & Engineering, Engineering, Electrical & Electronic


eISSN: 1178-5608



VOLUME 4 , ISSUE 1 (March 2011) > List of articles


A. Ropponen * / M. Linnavuo * / R. Sepponen *

Keywords : localization, Elderly care, RFID, Low frequency, ZigBee, Near-field imaging

Citation Information : International Journal on Smart Sensing and Intelligent Systems. Volume 4, Issue 1, Pages 75-93, DOI: https://doi.org/10.21307/ijssis-2017-427

License : (CC BY-NC-ND 4.0)

Published Online: 12-December-2017



Location awareness is important in health care. One way of generating this is a low-frequency radio frequency identification (RFID) location system that has been developed. The system tracks RFID tags with a quad antenna matrix that is placed under the floor surface. The tag can be also used to receive alarms and send acknowledgements via a ZigBee network. This article discusses the requirements of this kind of a tag, its structure, and its location accuracy. The demonstrated RFID system can locate people and items inside the building with an accuracy of 1.1 ± 0.5 m (S. D.).

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