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Temporal multi-frequency encoding technique for chipless RFID applications

Abstract : A novel temporal multi-frequency encoding technique based on group delay for chipless Radio Frequency Identification (RFID) tag is presented. Cascaded microstrip transmission line sections coupled at alternative ends (C-sections) are utilized to generate the tag Identification (ID). C-sections are dispersive structures, have a group delay maximum at different frequencies which is purely dependent on the length of the C-section. The proposed device is designed, prototyped and experimentally verified for 2 bit coding. The obtained results confirm the concept and its use in chipless RFID applications. Furthermore the transformation of the prototype into chipless tag using simulation results is also incorporated.
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Submitted on : Wednesday, August 20, 2014 - 2:26:11 PM
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Raji Sasidharan Nair, Etienne Perret, Smail Tedjini. Temporal multi-frequency encoding technique for chipless RFID applications. Microwave Symposium Digest (MTT), 2012 IEEE MTT-S International, Jun 2012, Unknown, pp.1-3, ⟨10.1109/mwsym.2012.6259483⟩. ⟨hal-01056723⟩



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