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›› 2009, Vol. 26 ›› Issue (6): 846-849.DOI: 10.7523/j.issn.2095-6134.2009.6.017

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A clock calibration method for EPC Gen2 RFID tag

LUO Qia-Si1, GUO Li1, ZHOU Yun-Chao2, ZHANG Gang2, LI Qing2   

  1. 1. Department of Electronic Science and Technology, University of Science and Technology of China, Hefei 230026, China;
    2. Fudan Microeletronics Cooperation, Ltd, Shanghai 200433, China
  • Received:2008-12-26 Revised:2009-05-19 Online:2009-11-15

Abstract:

A clock calibration method for RFID tag is proposed, including an EPC Gen2 compatible clock calibration command, an on-tag current switch network,and a reader-tag successive approximation calibration process. The results show that the method calibrates 50% fabrication error to 0.4% with 8-bit calibration registers.

Key words: radio frequency identification, EPC Gen2, current-switch network, clock calibration, RFID

CLC Number: