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Impact of RF Interference between a Passive RFID System and a Frequency Hopping Communications System in the 900 MHz ISM Band

Published

Author(s)

Michael R. Souryal

Abstract

We present experimental measurements and analysis of RF interference between a passive RFID system and a generic frequency hopping communications system in the 902 928 MHz ISM radio band. Interference in both directions is considered, RFID to communications and vice-versa, and interference mitigation strategies are assessed. Variables of interest include transmission power, antenna locations and polarization, and frequency hopping channel bandwidth and dwell time. Among the findings are the susceptibility of the RFID backscatter link to sources operating within regulatory limits, characterization of the performance asymmetry between the systems, and the constructive effect of interference to RFID at low powers.
Proceedings Title
IEEE International Symposium on Electromagnetic Compatibility
Conference Dates
July 25-30, 2010
Conference Location
Ft. Lauderdale, FL

Keywords

coexistence, frequency hopping, interference, RFID, UHF

Citation

Souryal, M. (2010), Impact of RF Interference between a Passive RFID System and a Frequency Hopping Communications System in the 900 MHz ISM Band, IEEE International Symposium on Electromagnetic Compatibility, Ft. Lauderdale, FL, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=904764 (Accessed June 16, 2024)

Issues

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Created July 25, 2010, Updated February 19, 2017