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Progress In Electromagnetics Research
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EFFECTS OF INTERFERENCES IN UHF RFID SYSTEMS

By A. Lazaro, D. Girbau, and R. Villarino

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Abstract:
The Radio Frequency Identification (RFID) applications are growing rapidly, especially in the UHF frequency band that is being used in inventory management. Passive UHF tags are preferred for these applications. In this paper, RFID reader-to-reader interference is analyzed. A model to estimate the minimum distance between readers to achieve a desired probability of detection in real multipath environments is derived and compared to the ideal case (AWGN channel). Diversity techniques to combat multipath and interference effects are proposed and studied.

Citation:
A. Lazaro, D. Girbau, and R. Villarino, "Effects of interferences in UHF RFID systems," Progress In Electromagnetics Research, Vol. 98, 425-443, 2009.
doi:10.2528/PIER09101703
http://www.jpier.org/PIER/pier.php?paper=09101703

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