Spatially Confined UHF RFID Detection with a Metamaterial Wire Grid

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• Dr Tiago A. Morgado
• Wednesday 14 May 2014, 11:00-12:00
• EEE Department, Room 611.

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The confinement of the detection region is one of the most challenging issues in Ultra-High Frequency (UHF) Radio Frequency Identification (RFID) systems. In the seminar I will discuss the proposal of 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.

Tiago A. Morgado was born in Coimbra, Portugal, in 1983. He received the “Licenciado” degree in electrical and computer engineering and the Ph.D. degree in electrical and computer engineering (specialty of Telecommunications) from the University of Coimbra, Portugal, in 2007 and 2012, respectively. He is currently an Invited Assistant Professor at University of Coimbra, Portugal. His current research interests concern electromagnetic metamaterials and their applications

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