A Koch-Shaped Log-Periodic Dipole Array (LPDA) Antenna for Universal Ultra-High-Frequency (UHF) Radio Frequency Identification (RFID) Handheld Reader

被引：51
作者：
Hsu, Heng-Tung [1 ]
Huang, Ting-Jui [1 ]
机构：
[1] Yuan Ze Univ, Dept Commun Engn, Chungli, Taiwan
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2013年 / 61卷 / 09期
关键词：
Antenna; array; dipole; log-periodic; radio frequency identification (RFID); ultra-high-frequency (UHF); TAG ANTENNA; DESIGN;
D O I：
10.1109/TAP.2013.2264451
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：
In this communication, we propose a printed log-periodic dipole array (LPDA) antenna covering the universal ultra-high-frequency (UHF) radio frequency identification (RFID) band of operation. Koch-shaped dipoles together with closely-coupled parasitic elements as directors were utilized for compactness in size and improvement in front-to-back ratio (F/B ratio). The experimental results demonstrate that the proposed antenna features good impedance match, moderate gain, better than 80% total radiation efficiency and excellent front-to-back ratio over the universal UHF RFID band from 840 MHz to 960 MHz. The antenna is well suitable for applications in RFID handheld readers.
引用
收藏
页码：4852 / 4856
页数：6
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