Hybrid coding chipless tag based on impedance loading

Hybrid encoding technique is an efficient method to expand the coding capacity in radio-frequency identification chipless tag design. In this study, a novel hybrid coding technique by combining amplitude deviation and frequency position encoding is proposed. The proposed tag is based on three circle...

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Bibliographic Details
Published in:IET microwaves, antennas & propagation antennas & propagation, 2017-08, Vol.11 (10), p.1325-1331
Main Authors: Ni, Yi-zhan, Huang, Xiao-dong, Lv, Yun-peng, Cheng, Chong-hu
Format: Article
Language:English
Subjects:
amplitude deviation
circle ring resonators
encoding
frequency position encoding
hybrid coding chipless tag
hybrid encoding technique
impedance loading technique
loaded resistors
radiofrequency identification
radio‐frequency identification chipless tag design
Research Article
resonators
transmission line model
transmission lines
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Summary:Hybrid encoding technique is an efficient method to expand the coding capacity in radio-frequency identification chipless tag design. In this study, a novel hybrid coding technique by combining amplitude deviation and frequency position encoding is proposed. The proposed tag is based on three circle ring resonators with loaded resistors. A transmission line model is employed to illustrate the operation principle of the impedance loading technique. A coding capacity of at least 23.7 bits is obtained within a compacted dimension of 3 cm × 3 cm. Corresponding experiments on realised prototypes are provided to validate the effectiveness of the proposed design.
ISSN:1751-8725
1751-8733
1751-8733
DOI:10.1049/iet-map.2016.0759