A Novel High-Gain Dual-Band Antenna for RFID Reader Applications

被引：72
|
作者：
Mobashsher, Ahmed Toaha [1 ]
Islam, Mohammad Tariqul [2 ]
Misran, Norbahiah [1 ]
机构：
[1] Univ Kebangsaan Malaysia, Dept Elect Elect & Syst Engn, Bangi, Malaysia
[2] Univ Kebangsaan Malaysia, Inst Space Sci ANGKASA, Bangi, Malaysia
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2010年 / 9卷
关键词：
Antenna; dual-band antenna; high gain; radio frequency identification (RFID);
D O I：
10.1109/LAWP.2010.2055818
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 novel high-gain dual-band antenna for radio frequency identification (RFID) reader applications covering free ISM bands of 2.45 and 5.8 GHz is presented in this letter. The antenna is composed of a U-shaped copper strip with unequal arm, a printed rectangular ring, and the ground plane. A good impedance bandwidth of 120 MHz has been achieved from 2.37 to 2.49 GHz for the lower band, while the upper band covers 420 MHz (from 5.55 to 5.97 GHz). The U-shaped feeding strip excites the rectangular ring effectively by providing a good impedance matching with over 85% of total antenna efficiency in both the frequency bands and also 9.56 and 10.17 dBi gain in the lower and higher frequency band, respectively.
引用
收藏
页码：653 / 656
页数：4
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