NDLI: Electric-field-coupled contactless ID sensor for cm-level high-precision positioning item-level tagging systems

Content Provider	IET Digital Library
Author	Jeong, M. G. Kim, J. H. Bae, S. H. Lee, W. S.
Abstract	To detect multiple identifications (IDs) for cm-level high-precision positioning item-level tagging (ILT) systems in near-field ultra-high-frequency RFID applications, an electric-field-coupled multiple ID sensor is presented. The proposed ID sensor consists of four circular electric coupling parts, an impedance-matching network, and an SP4T switch for position control. By switching the electric-field-coupled sensing parts, cm-level position detection of densely aggregated RFID tags for a small-sized ILT can be achieved. The sensing distance of the proposed ID sensor is ∼7 mm and its physical size is 50 × 50 mm2 (∼1/7λ 0 at 920 MHz).
Starting Page	837
Ending Page	838
Page Count	2
ISSN	00135194
Volume Number	52
e-ISSN	1350911X
Issue Number	Issue 10, May (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/52/10
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2016.0383
Journal	Electronics Letters
Publisher Date	2016-04-22
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Circular Electric Coupling Parts Cm-level High-precision Positioning Item-level Tagging System Cm-level Position Detection Densely Aggregated RFID Tags Electric Sensing Device Electric-field-coupled Contactless ID Sensor ILT System Impedance-matching Network Near-field Ultra-high-frequency RFID Application Position Control Radiofrequency Identification RFID System Sensing Device And Transducers SP4T Switch UHF Detector
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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