Near-field chipless-RFID system with erasable/programmable 40-bit tags inkjet printed on paper substrates
Herrojo, Cristian (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Mata Contreras, Francisco Javier (Universidad de Málaga. Departamento de Ingeniería de Comunicaciones)
Paredes, Ferran (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Núñez, Alba (Institut de Microelectrònica de Barcelona)
Ramon, Eloi (Institut de Microelectrònica de Barcelona)
Martín, Ferran, (Martín Antolín) (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)

Data:	2018
Resum:	In this letter, a chipless radio frequency identification (chipless-RFID) system with erasable/programmable 40-bit tags inkjet printed on paper substrates, where tag reading proceeds sequentially through near-field coupling, is presented for the first time. The tags consist of a linear chain of identical split ring resonators (SRRs) printed at predefined and equidistant positions on a paper substrate, and each resonant element provides a bit of information. Tag programming is achieved by cutting certain resonant elements, providing the logic state "0" to the corresponding bit. Conversely, tags can be erased (all bits set to "1") by short circuiting those previously cut resonant elements through inkjet. An important feature of the proposed system is the fact that tag reading is possible either with the SRR chain faced up or faced down (with regard to the reader). To this end, two pairs of header bits (resonators), with different sequences, have been added at the beginning and at the end of the tag identification chain. Moreover, tag data storage capacity (number of bits) is only limited by the space occupied by the linear chain. The implementation of tags on paper substrates demonstrates the potential of the proposed chipless-RFID system in secure paper applications, where the necessary proximity between the reader and the tag, inherent to near-field reading, is not an issue.
Ajuts:	Ministerio de Economía y Competitividad TEC2016-75650-R Ministerio de Economía y Competitividad RTC-2014-2550-7 Ministerio de Economía y Competitividad BES-2014-068164 Ministerio de Economía y Competitividad TEC2013-40600-R
Drets:	Tots els drets reservats.
Llengua:	Anglès
Document:	Article ; recerca ; Versió acceptada per publicar
Matèria:	Chipless-radio frequency identification (RFID) ; Microstrip ; Secure paper ; Split ring resonator (SRR)
Publicat a:	IEEE microwave and wireless components letters, Vol. 28, no. 3 (March 2018) , p. 272-274, ISSN 1531-1309

DOI: 10.1109/LMWC.2018.2802718

Postprint 4 p, 904.4 KB

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