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Evaluation of RFID System for Location Based Services in the Building  

Nam, Sang-Yep (Dept. of Information Technology, Kookje College)
An, Jin-Ung (Pragmatic Applied Robot Institute, DGIST)
Kim, Dong-Han (Dept. of Electrical Engineering, KyungHee University)
Publication Information
전자공학회논문지 IE / v.48, no.1, 2011 , pp. 45-50 More about this Journal
Abstract
In this paper, different RFID tag types compliant with UHF frequency based RFID system were chosen to build RFID tag embedded concrete blocks. Then, by placing the tags in systematically varied depths of a concrete block, we could measure the RF signal attenuation pattern as the performance indicator of a specific concrete embedded RFID system. Experiments show that the concrete mixing ratio makes no significant difference in tag detection performance level. The significance of the developed RFID system lies in its capability of eliminating GPS's error and shadow area as well as providing smart infrastructure for supporting truly pervasive ubiquitous computing applications especially in outdoor environment.
Keywords
RFID; Location; Read range; UHF; Metal tag; Dog bone tag;
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