一种非接触式电感耦合天线的超高频近场RFID系统

2012 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT) Pub Date : 2012-11-01 DOI:10.1109/RFIT.2012.6401637

Chaojun Ye, Chun Zhang, Hong Chen, Zhihua Wang

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引用次数: 2

摘要

提出了一种基于非接触式电感耦合天线的智能超高频近场RFID系统。为解决片上天线(OCA)标签读取距离短的问题，设计了一种全集成电感耦合天线。该电感耦合天线采用了一种新颖的交叉结构来达到谐振效果，减小了天线的尺寸。天线和标签芯片之间没有物理连接，大大降低了组装和测试的成本。电感耦合天线的尺寸仅小1 × 1.1cm2。测试证明，采用该非接触式天线的标签芯片在距离20dBm读写器天线2cm处响应正常。

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A UHF near-field RFID system with contactless inductively coupled antenna

This paper presents a smart UHF near-field RFID system with contactless inductively coupled antenna. A fully integrated inductively coupled antenna is designed to solve the problem of short read distance of the On-chip Antenna (OCA) tag. The inductively coupled antenna used a novel cross structure to achieve resonant effect which also diminishes the size of the antenna. No physical connection between the antenna and the tag chip greatly reduces the cost of assembling and testing. The size of the inductively coupled antenna is only 1 × 1.1cm2 small. Test proved that the tag chip with this contactless antenna is responded properly at 2cm away from the reader antenna of 20dBm.

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来源期刊

2012 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)

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