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An inductive RFID system with build-in asynchronous ECC crypto-processor. / CUHK electronic theses & dissertations collection

Radio Frequency Identification (RFID) has received a great deal of attention in past decades. It is an automatic identification system by replying and retrieving data remotely using RFID transponders. Basically, RFID systems can be divided into three main categories: short transmission range, medium transmission range, and long transmission range. / Short and medium range RFIDs generally are passive transponders while long range RFID is of either passive or active type. In this thesis, a short transmission range RFID transponder is presented. This is a passive transponder which generates power for internal circuitry by inductive coupling. For automatic identification applications such as electronic money tickets, the requirements of endurance, weight, size as well as cost appeal to use passive transponder rather than active transponder. Researches on the passive transponders have created a great challenge for engineers in terms of the tradeoff between power constraints, processing power and data transmission range. / The presented RFID transponder system adheres to the ISO 14443 standard Type B specification communication interface, which operates at 13.56MHz carrier frequency with a maximum read range around 50 mm. This research implemented a low power, high security, and long read range RFID transponder. For the analog RF interface, a series of novel architectures are adopted to improve the data transmission range. The digital core in the presented crypto-processor for data security. The asynchronous architecture has the advantages of fast computation time, low power consumption and small area. These are the attractive reasons to implement the core processing units using an asynchronous architecture. / This RFID system was fabricated with a 0.35um two-poly four-metal standard CMOS process with the silicon area of 1516 um x 1625 um. The measurement results show that the analog RF interface can generate a maximum 5.45mW power while the digital core circuit consumes only 2.77mW. In the wireless communication tests, the transponder read range can reach as far as 50 mm. / Leung, Pak Keung. / "June 2008." / Adviser: Choy Chin Sing. / Source: Dissertation Abstracts International, Volume: 70-03, Section: B, page: 1847. / Thesis (Ph.D.)--Chinese University of Hong Kong, 2008. / Includes bibliographical references. / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Electronic reproduction. [Ann Arbor, MI] : ProQuest Information and Learning, [200-] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Abstracts in English and Chinese. / School code: 1307.

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_344186
Date January 2008
ContributorsLeung, Pak Keung., Chinese University of Hong Kong Graduate School. Division of Electronic Engineering.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, theses
Formatelectronic resource, microform, microfiche, 1 online resource (xiii, 220 p. : ill.)
RightsUse of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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