| 一种CLF芯片与SIM卡芯片连接的方法 |
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| 引用本文： | 王琪,王东辉,李云岗.一种CLF芯片与SIM卡芯片连接的方法[J].微计算机应用,2010,31(4). |
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| 作者姓名： | 王琪 王东辉 李云岗 |
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| 作者单位： | 1. 中国科学院研究生院,北京,100049
2. 中国科学院声学研究所数字系统集成实验室,北京,100190 |
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| 摘 要： | 在NFC技术中,CLF芯片与SIM卡的连接是一个重要问题,本文提出了一种具有自主知识产权的CLF与SIM卡的通信方法,采用新的调制解凋方式,使得S2信号在S1信号高低电平时都能传输,实现单线连接NFC与SIM卡,以及它们之间的全双工通信.通过对该方法进行电路级的设计和仿真,验证了该方法的正确性和稳定性.
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| 关 键 词： | NFC(Near Field Communication) SIM(subscriber Identity Module) SWP(single wire protocol) CLF(Contact-Less Front-end) |
A Novel Method to Connect CLF Chip and SIM Chip |
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| WANG Qi,WANG Donghui,LI Yungang.A Novel Method to Connect CLF Chip and SIM Chip[J].Microcomputer Applications,2010,31(4). |
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| Authors: | WANG Qi WANG Donghui LI Yungang |
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| Affiliation: | 2WANG Qi,1WANG Donghui,1LI Yungang(1Graduate Unwersity of Chinese Academy of Sciences,Beijing 1000392Institute of Acoustics,Chinese Academy of Sciences,Think IT Speech Lab,Beijing 100190)) |
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| Abstract: | In the NFC technology,the connection between the CLF chip an SIM card is and important question.This paper proposed a new method to solve it.We introduce a new way to modulate and demodulate the signals,as a result,the signocl S2 can communicat whenever the voltage level of signecl S1 is high or low.It realizes the full-duplex communication between NFC anel SVU card.through single wire.We implemented the circuit of it,the simulation results shao this method is validity and stability. |
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| Keywords: | NFC(Near Field Communication) SIM(subscriber Identity Module) SWP(single wire protocol) CLF(Contact-Less Front-end) |
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