Feasibility of ultra-wideband SAW RFID tags meeting FCC rules

Author

Härmä, Sanna ; Plessky, Victor P. ; Li, Xianyi ; Hartogh, Paul

Author_Institution

Dept. of Appl. Phys., Helsinki Univ. of Technol., Helsinki

Volume

56

Issue

4

fYear

2009

fDate

4/1/2009 12:00:00 AM

Firstpage

812

Lastpage

820

Abstract

We discuss the feasibility of surface acoustic wave (SAW) radio-frequency identification (RFID) tags that rely on ultra-wideband (UWB) technology. We propose a design of a UWB SAW tag, carry out numerical experiments on the device performance, and study signal processing in the system. We also present experimental results for the proposed device and estimate the potentially achievable reading distance. UWB SAW tags will have an extremely small chip size (<0.5 times 1 mm²) and a low cost. They also can provide a large number of different codes. The estimated read range for UWB SAW tags is about 2 m with a reader radiating as low as <0.1 mW power levels with an extremely low duty factor.

Keywords

radiofrequency identification; surface acoustic wave sensors; surface acoustic wave signal processing; ultra wideband technology; FCC rules; signal processing; surface acoustic wave radiofrequency identification; ultrawideband SAW RFID tags; Acoustic signal processing; Acoustic waves; FCC; RFID tags; Radio frequency; Radiofrequency identification; Signal design; Surface acoustic wave devices; Surface acoustic waves; Ultra wideband technology; Feasibility Studies; Government Regulation; Guidelines as Topic; Micro-Electrical-Mechanical Systems; Microwaves; Product Labeling;

fLanguage

English

Journal_Title

Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on

Publisher

ieee

ISSN

0885-3010

Type

jour

DOI

10.1109/TUFFC.2009.1104

Filename

4815311