TY - JOUR
T1 - Printed magnetoinductive-wave (MIW) delay lines for chipless RFID applications
AU - Herraiz-Martínez, Francisco Javier
AU - Paredes, Ferran
AU - Gonzàlez, Gerard Zamora
AU - Martín, Ferran
AU - Bonache, Jordi
PY - 2012/11/1
Y1 - 2012/11/1
N2 - © 2012 IEEE. A novel fully passive and electromagnetic chipless radiofrequency identification (RFID) system is proposed. The system is based on printed tags implemented withmagnetoinductive-wave (MIW) delay lines. Such lines are composed of a periodic array of coupled square split ring resonators (SSRRs) and propagate slow waves. The tag is codified by introducing reflectors (which provide the identification signature) between the elements of the array. When the tags are interrogated with a pulse in time domain, they produce replicas at the positions where the reflectors are placed. Thanks to the slow group velocity of the MIW delay line, the replicas of the original pulse are not overlapped in time domain and can be demodulated, thus providing the identification code of the tag. The design considerations to implement these chipless tags are studied in the present work. Moreover, a complete set of codified MIW lines for a two-bit system is designed, manufactured and measured. The reported experimental results validate the proposed approach.
AB - © 2012 IEEE. A novel fully passive and electromagnetic chipless radiofrequency identification (RFID) system is proposed. The system is based on printed tags implemented withmagnetoinductive-wave (MIW) delay lines. Such lines are composed of a periodic array of coupled square split ring resonators (SSRRs) and propagate slow waves. The tag is codified by introducing reflectors (which provide the identification signature) between the elements of the array. When the tags are interrogated with a pulse in time domain, they produce replicas at the positions where the reflectors are placed. Thanks to the slow group velocity of the MIW delay line, the replicas of the original pulse are not overlapped in time domain and can be demodulated, thus providing the identification code of the tag. The design considerations to implement these chipless tags are studied in the present work. Moreover, a complete set of codified MIW lines for a two-bit system is designed, manufactured and measured. The reported experimental results validate the proposed approach.
KW - Chipless tags
KW - Magnetoinductive waves (MIWs)
KW - Passive tags
KW - Radio frequency identification (RFID)
U2 - https://doi.org/10.1109/TAP.2012.2207681
DO - https://doi.org/10.1109/TAP.2012.2207681
M3 - Article
VL - 60
SP - 5075
EP - 5082
JO - IEEE Transactions on Antennas and Propagation
JF - IEEE Transactions on Antennas and Propagation
SN - 0018-926X
M1 - 6236051
ER -