A Reference Modulated Scatterer for ISO18000-6 UHF Tag Testing
David R. Novotny, Daniel G. Kuester, Jeffrey R. Guerrieri
We present a method for measuring Ultra-High Frequency Radio-Frequency Identification (UHF RFID) tag differential RCS that has the potential for being easier and more accurate than current and proposed methods [1-2]. This method is based on accurately characterizing the reflection states of a modulated load, accounting for transmission losses between the load and an antenna, and using a well-known, low gain antenna. It has the benefits of using a well characterized "golden tag" reference (i.e. repeatability), while being more linear in power response, independent of reader signal, and independent of manufacturer or process changes. Characterizations of the losses in the reference scatterer allow for direct comparisons between tags on different test beds.
Proceedings of the 2012 Antenna Measurement Techniques Association Conference
, Kuester, D.
and Guerrieri, J.
A Reference Modulated Scatterer for ISO18000-6 UHF Tag Testing, Proceedings of the 2012 Antenna Measurement Techniques Association Conference, Seattle, WA, [online], https://doi.org/10.1109/MEMC.2012.6347065
(Accessed August 13, 2022)