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Journal of Sensors
Volume 2010, Article ID 450392, 8 pages
Research Article

Design of a Child Localization System on RFID and Wireless Sensor Networks

Department of Engineering, Indiana University—Purdue University Fort Wayne, Fort Wayne, IN 46805, USA

Received 29 July 2009; Revised 20 November 2009; Accepted 24 February 2010

Academic Editor: Weilian Su

Copyright © 2010 Chao Chen. 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.


Radio Frequency Identification (RFID) and wireless sensor networks are wireless technologies that rapidly emerge and show great potential. Combining RFID and wireless sensor networks provides a cost-efficient way to expand the RFID system's range and to enable an RFID system in areas without a network infrastructure. These two technologies are employed to build a wireless localization system in a children's theme park. The main purpose of this child localization system is to track and locate children within a certain range near some landmarks in the park. The design experience in this project can be exported to other applications such as object tracking and surveillance.