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Morgado, T., Alves, J. M., Marcos, J., Maslovski, S., Costa, J. R., Fernandes, C. A...Silveirinha, M. G. (2014). Spatially Confined UHF RFID Detection With a Metamaterial Grid. IEEE Transactions on Antennas and Propagation. 62 (1), 378-384
T. Morgado et al., "Spatially Confined UHF RFID Detection With a Metamaterial Grid", in IEEE Transactions on Antennas and Propagation, vol. 62, no. 1, pp. 378-384, 2014
@article{morgado2014_1732207432764, author = "Morgado, T. and Alves, J. M. and Marcos, J. and Maslovski, S. and Costa, J. R. and Fernandes, C. A and Silveirinha, M. G.", title = "Spatially Confined UHF RFID Detection With a Metamaterial Grid", journal = "IEEE Transactions on Antennas and Propagation", year = "2014", volume = "62", number = "1", doi = "10.1109/TAP.2013.2287027", pages = "378-384", url = "http://www.it.pt/papjourn_pdf_p.asp?ID_PaperJournal=8822&id=1" }
TY - JOUR TI - Spatially Confined UHF RFID Detection With a Metamaterial Grid T2 - IEEE Transactions on Antennas and Propagation VL - 62 IS - 1 AU - Morgado, T. AU - Alves, J. M. AU - Marcos, J. AU - Maslovski, S. AU - Costa, J. R. AU - Fernandes, C. A AU - Silveirinha, M. G. PY - 2014 SP - 378-384 SN - 0018-926X DO - 10.1109/TAP.2013.2287027 UR - http://www.it.pt/papjourn_pdf_p.asp?ID_PaperJournal=8822&id=1 AB - The confinement of the detection region is one of the most challenging issues inUltra-High Frequency (UHF) Radio Frequency Identification (RFID) systems.Here, we propose a new paradigm to confine the interrogation zone of standard UHF RFID systems. Our approach relies on the use of an all-planar metamaterial wire grid to block the radiation field (i.e., the far-field) of the reader antenna, and thereby obtain a spatially well-confined detection region in the near-field. This solution is analytically and numerically investigated, and then experimentally verified through near-field and tag-reading measurements, demonstrating its effectiveness and robustness under external perturbations. ER -