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http://dx.doi.org/10.5515/KJKIEES.2008.19.2.152

Performance Analysis of the UHF RFID Reader with the Range Correlation Effects of the Phase Noise  

Jang, Byung-Jun (Department of Electronics Engineering, Kookmin University)
Kang, Min-Soo (Department of Information and Communication Engineering, Hanyang Cyber University)
Lim, Jae-Bong (Department of Electronics Engineering, Kookmin University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.19, no.2, 2008 , pp. 152-160 More about this Journal
Abstract
In this paper, we analyze the performance of a direct-conversion UHF RFID reader with the range correlation effects of the phase noise. Since a UHF RFIB system uses the same oscillator to generate the transmitted carrier and the local oscillation, the periodic interference and phase noise reduction effects occur due to time delay between two signals. Through exact theory and simulation, we verify how to cancel the periodic interference phenomena using I/Q diversity combining technique. And, we analyze phase noise reduction effects due to range correlation as a function of the tag-reader distance and the offset frequency Using these results, we simulate the symbol-error-rate performance with respect to phase noise with and without range correation effects. We show that the phase noise of the local oscillator has little effect on the symbol-error-rate performance because of phase noise reduction by range correlation.
Keywords
UHF RFID; Reader; Tag; Local Oscillator; Phase Noise; Range Correlation Effect; SER; I/Q Diversity; Direct-Conversion;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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