NDLI: An asymmetric RF tagging IC for ingestible medication compliance capsules

Content Provider	IEEE Xplore Digital Library
Author	Hong Yu Chun-Ming Tang Bashirullah, R.
Copyright Year	2009
Description	Author affiliation: Dept. of Electrical and Computer Engineering, University of Florida, Gainesville, 32611, USA (Hong Yu; Chun-Ming Tang; Bashirullah, R.)
Abstract	This paper presents a feasibility study of a low power electronic RF tagging device and a printed capsule antenna for medication compliance monitoring. RF transponders attached directly to the outer surface of a standard sized capsule can potentially serve as a cost-effective method of validating medication compliance via electronic detection of an ingested pill inside the digestive tract. The electrical radiation characteristics of a small biocompatible antenna are analyzed inside a human body model for various FCC telemetry bands using the finite difference time domain (FDTD) method. Based on this study, a novel asymmetric RF tagging IC is reported. The device is powered by low frequency AC signals to create externally detectable RF bursts in the 915MHz ISM band. A test chip was fabricated in 130nm CMOS technology and experimentally validated inside a phantom solution that mimics the human torso.
Starting Page	101
Ending Page	104
File Size	1473638
Page Count	4
File Format	PDF
ISBN	9781424433773
ISSN	15292517
DOI	10.1109/RFIC.2009.5135499
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radio frequency Tagging Radiofrequency integrated circuits Humans Finite difference methods Time domain analysis CMOS technology Low power electronics Monitoring Transponders Medication compliance RFID Telemetry
Content Type	Text
Resource Type	Article

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