Copyright © 2006 The Institute of Electronics, Information and Communication Engineers
Special Section on Novel Device Architectures and System Integration Technologies -- Papers |
Back-End Design of a Collision-Resistive RFID System through High-Level Modeling Approach
1 The author is with the Graduate School of Science and Technology, Kobe University, Kobe-shi, 657-8501 Japan. E-mail: fukumizu{at}m.ieice.org, 2 The author is with the Department of Computer and Systems Engineering, Kobe University, Kobe-shi, 657-8501 Japan., 3 The author is with AIL Co., Ltd., Tokyo, 164-0012 Japan.
A highly collision-resistive RFID system multiplexes communications between thousands of transponders and a single reader using TH-CDMA based anti-collision scheme. This paper focuses on the back-end design consideration of such an RFID system with the deployment of high-level modeling techniques, accompanying a technical comparison of physical-level description, hardware-based emulation, and software-based simulation. A new rapid-prototyping simulation system was constructed to evaluate the robustness of a multiplexed RFID link system with more than 1,000 channels in the presence of field disturbances, and the design parameters of the back-end digital signal processing that dominated anti-collision performance were explored. Finally, the derived optimum parameters were applied to the design of a back-end digital integrated circuit to be installed in collision-resistive transponder circuitry.
Key Words: RFID, anti-collision, TH-CDMA, high-level modeling, back-end design, top-down approach, robustness
Manuscript received April 10, 2006. Manuscript revised June 17, 2006.
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  Y. FUKUMIZU, N. GOCHI, M. NAGATA, and K. TAKI A Mixed Circuit and System Level Simulation Technique of Collision-Resistant RFID System IEICE Trans C: Electronics, June 1, 2007; E90-C(6): 1299 - 1303. [Abstract] [PDF]
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