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International Journal of Antennas and Propagation
Volume 2007 (2007), Article ID 68385, 7 pages
Review Article

Novel “Enhanced-Cognition” RFID Architectures on Organic/Paper Low-Cost Substrates Utilizing Inkjet Technologies

School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta 30332, GA, USA

Received 2 March 2007; Accepted 10 September 2007

Academic Editor: Junho Yeo

Copyright © 2007 Li Yang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The purpose of this paper is to present an overview of novel design and integration approaches for improved performance “enhanced-cognition” UHF passive and active radio frequency identification (RFID) tags. Antenna design rules are explained for a variety of applications. A strategy that is currently under development for embedding power sources and integration of sensors and integrated circuits (ICs) on low-cost organic substrates, such as liquid crystal polymer (LCP) and paper, enabling the use of inkjet-printing capability for the UHF frequency band, is discussed in the paper. The proposed technologies could potentially revolutionize RFID tags allowing for integrated sensing capabilities for various applications such as security, military, logistics, automotion, and pharmaceutics.