Design of Passive UHF RFID Tag Antennas Using Metamaterial-Based Structures and Techniques
Design of Passive UHF RFID Tag Antennas Using Metamaterial-Based Structures and Techniques
复制标题
使用基于超材料的结构和技术设计无源 UHF RFID 标签天线
DOI：
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发表时间：
2010
期刊：
影响因子：
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通讯作者：
Robert Scheeler
中科院分区：
文献类型：
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作者：
B. Braaten;Robert Scheeler
超材料(Marques等人，2008年；Eleftheriade&Balmain，2005；Herraiz-Martinez等人)。是为提高射频识别(RFID)系统的性能而采用的众多新技术之一(Finkenzeller，2003；Stupf等人，2007)。特别是，基于超材料的天线设计正越来越频繁地被用于提高无源UHF RFID标签的读取范围和减小尺寸。本章将介绍射频识别系统的概念和天线设计所需的相关参数。然后，将推导出沿无限长传输线(TL)传播的波的相位常数、传播常数和特性(或布洛赫)阻抗的表达式。这些表达式随后将被用来介绍黄体传播的概念。随后，总结了几种基于超材料的无源超高频RFID标签天线的设计，并对基于超材料天线的结论和未来在RFID系统中的应用进行了总结。
Metamaterials (Marques et al., 2008; Eleftheriades & Balmain, 2005; Herraiz-Martinez et al. 2009) are one of the many new technologies being adopted to improve the performance of radio frequency identification (RFID) systems (Finkenzeller, 2003; Stupf et al., 2007). In particular, metamaterial-based antenna designs are being used more frequently to improve the read range and reduce the size of passive UHF RFID tags. This chapter will introduce the concept of RFID systems and the relevant parameters for proper antenna design. Then, expressions for the phase constants, propagation constants and the characteristic (or Bloch) impedance of a wave propagating down an infinite transmission line (TL) will be derived. These expressions will then be used to introduce the concept of LH-propagation. Subsequently, the design of several metamaterial-based antennas for passive UHF RFID tags will be summarized followed by a section on the conclusion and future applications of metamaterial-based antennas to RFID systems.