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Design of RFID Reader Based on Protocol of ISO/IEC 14443 TYPE A
Abstract:
The technology of RFID is used extensively in access control for office buildings, payment systems for public transport, and other applications. In this paper, using the Texas Instruments semiconductor chip of TRF7960 and the single-chip microcomputer of PIC16F877, a new design scheme of RFID reader is proposed, which conforms to ISO/IEC 14443 TYPE A standard. And the methods of anti-collision, three pass authentication, coding and decoding are discussed in detail. Test results present that this reader has high accuracy ratio, can identify the contactless smart cards in about ten centimeters, and it supports multiple card identification well.
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1855-1858
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Online since:
December 2012
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© 2013 Trans Tech Publications Ltd. All Rights Reserved
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