NDLI: An enhanced-range RFID tag using an ambient energy powered reflection amplifier

Content Provider	IEEE Xplore Digital Library
Author	Kimionis, J. Georgiadis, A. Sangkil Kim Collado, A. Niotaki, K. Tentzeris, M.M.
Copyright Year	2014
Description	Author affiliation: Centre Tecnol. de Telecommunicacions de Catalunya, Castelldefels, Spain (Georgiadis, A.; Collado, A.; Niotaki, K.) \|\| Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA, USA (Kimionis, J.; Sangkil Kim; Tentzeris, M.M.)
Abstract	A great challenge in UHF RFID systems consists of increasing their operating range. In this work, a circuit topology consisting of a reflection amplifier and a passive coupler is proposed to both amplify the input signal to the tag as well as the backscattered signal towards the reader. System analysis is provided to estimate the performance requirements of the proposed circuit. The amplifier is optimized in order to maximize its gain while minimizing its dissipated power, thus allowing for low-power operation by using ambient energy harvesting devices such as solar cells. The circuit is compatible with commercial UHF RFID tags and is implemented using low-cost inkjet printing fabrication. Prototypes of the various circuit components are fabricated and evaluated demonstrating the feasibility of the proposed system. Interesting results are showcased for tag efficiency improvement through such non-conventional front-end designs.
Sponsorship	IEEE Microwv. Theory Tech. Soc.
Starting Page	1
Ending Page	4
File Size	962044
Page Count	4
File Format	PDF
ISBN	9781479938698
DOI	10.1109/MWSYM.2014.6848653
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-06-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antenna measurements Reflection Antennas Radiofrequency identification Couplers Photovoltaic cells Printing inkjet printing UHF RFID range increase low-power reflection amplifier
Content Type	Text
Resource Type	Article

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