摘要
介绍了射频识别(RFID)技术的起源与发展历程,根据RFID技术的原理,指出RFID系统相对于传统识别技术的优势并阐明了标签天线在RFID系统中的关键作用。简述了目前RFID技术在市场上的典型应用,分析了天线设计的技术难点,并对国内外关于实现标签天线小型化、宽频带、高增益与阻抗匹配的设计方法和研究进展进行了总结。基于RFID天线的工作原理,说明了标签天线设计的基本原则,概述了标签天线设计的基本流程及性能测试方法。分析表明,在保证天线小型化的前提下,解决天线尺寸与性能间协调设计的技术难点,RFID系统将在物联网等领域拥有巨大的市场前景。
This article reviews the history and development of radio frequency identification(RFID)technology.By explaining the principle of RFID technology,the advantages of RFID system are revealed over traditional identification technology,and the significance of tag antenna in RFID system is expounded.After that,the typical commercial applications of RFID technology are briefly described;The technical difficulties of antenna design are analyzed;And the design methods and research process at home and abroad are then surveyed on the miniaturization,broad bandwidth,high gain and impedance matching of tag antenna.The article then discusses the design criteria,design process and performance test method of tag antenna based on the working principle of RFID antenna.The analysis indicate that,under the premise of ensuring the antenna miniaturization and balancing the antenna size and performance,the RFID system will have a great market prospect in the Internet of Things and other fields.
作者
张徐之
李康
王芳
赵维巍
ZHANG Xuzhi;LI Kang;WANG Fang;ZHAO Weiwei(Sauvage Laboratory for Smart Materials,Shenzhen Key Laboratory of Flexible Printed Electronics Technology,Harbin Institute of Technology(Shenzhen),Shenzhen 518055,Guangdong Province,China)
出处
《电子元件与材料》
CAS
CSCD
北大核心
2022年第1期1-8,共8页
Electronic Components And Materials
基金
国家自然科学基金(52073075)
深圳市科技创新项目(KQTD20170809110344233)。
关键词
射频识别
标签天线
综述
阻抗匹配
小型化
高增益
radio frequency identification
tag antenna
review
impedance matching
miniaturization
high gain