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Directly Printed Packaging-Paper-Based Chipless RFID Tag With Coplanar LC Resonator

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5 Author(s)
Botao Shao ; unit of Electronic Systems & iPack Center, The Royal Institute of Technology (KTH), Kista-Stockholm, Sweden ; Yasar Amin ; Qiang Chen ; Ran Liu
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This letter presents the design, simulation, fabrication, and characterization of an LC -resonator-based chipless RFID tag. The ID-generating circuit is designed based on a reconfigurable LC resonance circuit. Phase position modulation (PPM) coding is used for the enhancement of the coding capacity. The tag has been realized on packaging paper using all printing technique. In fabrication, overprinting process has been investigated as an effective pathway for the improvement of the conductivities. The tag with 4.25-bit coding capacity has been examined using a sweeping frequency signal transmitted from a vector network analyzer, and experimental results confirm the feasibility of the proposed chipless tag. With further optimizations, the tag can be used in the item-level tracking and identification applications, especially for the management of paper tickets and banknotes.

Published in:

IEEE Antennas and Wireless Propagation Letters  (Volume:12 )