IR-UWB RFID Circuits and Systems
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- Institutt for informatikk [4944]
Abstract
Radio-frequency identification (RFID) technology has been applied extensively in logistic and supply chain applications. Long-range passive RFID systems offer higher reliability and flexibility compared to conventional bar-code systems. However, limitations such as sensitivity to multipath fading and diffraction grating exist due to the narrowband technologies used. Also, industries show interest in embedding precise localization ability in such systems which is difficult to achieve using narrowband communications. After the Federal Communications Commission released an ultra-wide bandwidth (3.1–10.6 GHz) for unlicensed use in 2002, impulse-radio (IR) ultra-wideband (UWB) communications have drawn lots of attention from both academia and industry. The large bandwidth (in other words short pulse duration) not only improves the communication quality compared to the narrowband counterparts, but also provides an excellent localization ability. This makes IR-UWB technology a potential candidate for next generation long-range passive RFID systems. The main goal of this work is to apply UWB technology to advance the current longrange passive RFID system performance. A novel passive IR-UWB RFID system has been proposed. The potential advantages are long tag reading range with localization ability, insensitivity to surrounding environments and high security. A wireless-powered IR-UWB transmitter for the proposed system has been successfully demonstrated in a TSMC 90 nm CMOS process. Together with the coherent IR-UWB receiver implemented by the author’s research group, implementations of the proposed RFID system become possible. Moreover, the power consumption and other specifications of individual components have to be considered also in order to maximize the system performance. Research has been conducted on several functional blocks including IR-UWB pulse generator, clock generator and reference circuit. Novel topologies and solutions have been proposed and verified. Experimental results have proven competitive performance compared to other published stateof- the-art counterparts. In reference to IEEE copyrighted material which is used with permission in this thesis, the IEEE does not endorse any of the University of Oslo's products or services. Internal or personal use of this material is permitted. If interested in reprinting/republishing IEEE copyrighted material for advertising or promotional purposes or for creating new collective works for resale or redistribution, please go to http://www.ieee.org/publications_standards/publications/rights/rights_link.html to learn how to obtain a License from RightsLink.List of papers
Paper I K. K. Lee, M. Z. Dooghabadi, H. A. Hjortland, Ø. Næss and T. S. Lande, “A novel 6.5 pJ/pulse impulse radio pulse generator for RFID tags,” in Proc. IEEE Asia Pacific Conference on Circuits and Systems, Dec 2010, pp. 184–187. Copyright © 2010 IEEE. Reprinted with permission. Internal or personal use is permitted, but republication/redistribution requires IEEE permission. The published version of this paper is available at: https://doi.org/10.1109/APCCAS.2010.5775001 |
Paper II K. K. Lee, M. Z. Dooghabadi, H. A. Hjortland, Ø. Næss and T. S. Lande, “A 5.2 pJ/pulse impulse radio pulse generator in 90 nm CMOS,” in Proc. IEEE International Symposium on Circuits and Systems, May 2011, pp. 1299–1302. Copyright © 2011 IEEE. Reprinted with permission. Internal or personal use is permitted, but republication/redistribution requires IEEE permission. The published version of this paper is available at: https://doi.org/10.1109/ISCAS.2011.5937809 |
Paper III K. K. Lee, H. A. Hjortland and T. S. Lande, “IR-UWB technology on next generation RFID systems,” in Proc. NORCHIP, Nov 2011. Copyright © 2011 IEEE. Reprinted with permission. Internal or personal use is permitted, but republication/redistribution requires IEEE permission. The published version of this paper is available at: https://doi.org/10.1109/NORCHP.2011.6126697 |
Paper IV K. K. Lee and T. S. Lande, “Analysis and design of sub-μW bandgap references in nano-meter CMOS”, in Proc. IEEE International Midwest Symposium on Circuits and Systems, Aug 2013, pp. 93–96. Copyright © 2013 IEEE. Reprinted with permission. Internal or personal use is permitted, but republication/redistribution requires IEEE permission. The published version of this paper is available at: https://doi.org/10.1109/MWSCAS.2013.6674593 |
Paper V K. K. Lee, T. S. Lande, and P. D. Häfliger, “A sub-μW bandgap reference circuit with an inherent curvature-compensation property,” IEEE Transactions on Circuits and Systems I: Regular Papers. Copyright © 2014 IEEE. Reprinted with permission. Internal or personal use is permitted, but republication/redistribution requires IEEE permission. The published version of this paper is available at: https://doi.org/10.1109/TCSI.2014.2340553 |
Paper VI K. K. Lee and T. S. Lande, “A wireless-powered IR-UWB transmitter for long-range passive RFID tags in 90 nm CMOS,” IEEE Transactions on Circuits and Systems II: Express Briefs, Nov 2014, pp. 870-874. Copyright © 2014 IEEE. Reprinted with permission. Internal or personal use is permitted, but republication/redistribution requires IEEE permission. The published version of this paper is available at: https://doi.org/10.1109/TCSII.2014.2350292 |
Paper-VII K. K. Lee and T. S. Lande, “A 2.8–7.5 pJ/pulse highly-flexible impulse-radio ultra-wideband pulse-generator,” Progress In Electromagnetics Research C, Vol. 55, 139-147, 2014. The published version of this paper is available at: https://doi.org/10.2528/PIERC14110301 |