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J. Electromagn. Eng. Sci > Volume 9(1); 2009 > Article
Journal of the Korean Institute of Electromagnetic and Science 2009;9(1):39-45.
DOI: https://doi.org/10.5515/JKIEES.2009.9.1.039   
Hardware Design and Deployment Issues in UHF RFID Systems
Byung-Jun Jang1, Hyun-Goo Yoon2, Jae-Bong Lim1
1Department of Electronics Eng., Kookmin University
2Department of Computer and Electronic Eng., Myongji College
Abstract
In this paper, we discuss hardware design and deployment issues in current passive UHF RFID systems. Using the link budget concept, the methodology to calculate forward- and reverse-link interrogation range is shown. Then, we consider hardware issues: phase diversity, phase noise with range correlation, and TX leakage problems. Finally, three interference problems when deploying RFID systems are presented.
Key words: RFID, Reader, Tag, Antenna, Link budget, Interrogation Range, Interference
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