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Practical Performance Comparison of 1-D and 2-D Decoding Methods for a Chipless RFID System in a Real Environment

A comparison of four decoding methods for a Chipless RFID system was executed by analyzing the read success rate of a frequency-position coding tag with 12-bit of capacity. Scattering parameter measurements have been performed in a real environment, using a fixed antenna, with the tag moving within...

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Bibliographic Details
Published in:IEEE journal of radio frequency identification (Online) 2020-12, Vol.4 (4), p.532-544
Main Authors: Tavares de Alencar, Raphael, Ali, Zeshan, Barbot, Nicolas, Garbati, Marco, Perret, Etienne
Format: Article
Language:English
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Summary:A comparison of four decoding methods for a Chipless RFID system was executed by analyzing the read success rate of a frequency-position coding tag with 12-bit of capacity. Scattering parameter measurements have been performed in a real environment, using a fixed antenna, with the tag moving within a 30\times 30\times 30 cm 3 volume. Optimal parameters have been obtained based on the decoding success rates of the practical measurements, for background calibration, time-gating, Short Time Fourier Transform (STFT) and Short Time Prony Analysis (STPA) methods. STFT and time-gating showed the best volume reading performance. Time-gating has been found to be the best decoding method for the chipless RFID system employed, as it presented the best performance amongst the other methods while being a less complex, 1-D, approach.
ISSN:2469-7281
2469-7281
2469-729X
DOI:10.1109/JRFID.2020.2997988