Ignacio J. Garcia Zuazola

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An Ultra-High-Frequency (UHF) Radio Frequency IDentification (RFID) coil antenna with Non-uniformly Distributed-Turns and realized using a segmented-line (SL) is proposed. The Segmented-Line Non-uniformly Distributed-Turns Coil (SL-NDTC) uses non-uniformly distributed turns radii that have been optimized for reactive and radiative read performance. This(More)
Newly developed coil antennas for High-Frequency (HF) Radio Frequency IDentification (RFID) are fabricated and presented. The coils use comparable Q-factors and are optimized for an enhanced magnetic field (H-field) by using non-uniformly distributed turns of the radiative elements. Measurements are performed for the proof-of-concept and compared to(More)
A switched Non-uniformly Distributed-Turns Coil (NDTC) dual-band antenna for near- and far-field regions of propagation in Radio Frequency IDentification (RFID) reading applications is presented. The operation mode alternate is realized by introducing micro electro-mechanical system (MEMS) switches to a previously reported NDTC design's radiating element.(More)
Magnetic-field (H-Field) forming using planar multicoil transmitter antenna is presented. To address angular misalignment in inductive coupling systems, three orthogonal H-field components are formed in near-field zone of the transmitter antenna. This proposed magnetic field forming is performed by analyzing near-field distributions of various combinations(More)
The influence of dissimilar substrates and reflector proximities over a newly developed Non-uniformly Distributed-Turns Coil (NDTC) antenna for High-Frequency (HF) Radio Frequency IDentification (RFID) applications is presented. In the study, the performance of the HF-RFID NDTC antenna over various substrates with deposited conductor thicknesses is(More)
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