Implementation of Low-Cost UHF RFID Reader Front-Ends with Carrier Leakage Suppression Circuit

被引：6

作者：

You, Bin ^{[1
]}

Yang, Bo ^{[1
]}

Wen, Xuan ^{[2
]}

Qu, Liangyu ^{[3
]}

机构：

[1] Hangzhou Dianzi Univ, Minist Educ, Key Lab RF Circuits & Syst, Hangzhou 310018, Peoples R China

[2] Nokia Siemens Networks Technol Beijing Co Ltd, Hangzhou 310053, Zhejiang, Peoples R China

[3] Shanghai TYD Elect Technol Co Ltd, Shanghai 200233, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION | 2013年 / 2013卷

关键词：

D O I：

10.1155/2013/135203

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A new ultrahigh frequency radio frequency identification (UHF RFID) reader's front-end circuit which is based on zero-IF, single antenna structure and composed of discrete components has been designed. The proposed design brings a significant improvement of the reading performance by adopting a carrier leakage suppression (CLS) circuit instead of a circulator which is utilized by most of the conventional RF front-end circuit. Experimental results show that the proposed design improves both the sensitivity and detection range compared to the conventional designs.

引用

页数：8

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