Low-Profile Three-Arm Folded Dipole Antenna for UHF Band RFID Tags Mountable on Metallic Objects

被引：54
作者：
Genovesi, Simone [1 ]
Monorchio, Agostino [1 ]
机构：
[1] Univ Pisa, Dept Informat Engn, I-56126 Pisa, Italy
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2010年 / 9卷
关键词：
Mounted on metal; radio frequency identification (RFID); tag antenna; DESIGN;
D O I：
10.1109/LAWP.2010.2103295
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 low-profile radio frequency identification (RFID) tag mountable on metallic objects is presented, which employs a multiple-arm folded dipole antenna. The proposed antenna is printed on a single-layer circuit board with an overall thickness of 1.5 mm not requiring any via or shorting plate. The presented configuration allows to match an RFID chip impedance with an imaginary part around -400 Omega. A slightly modified version of the tag that allows an easy tuning of the frequency response is illustrated as well as a more compact tag obtained by allowing the use of vias. Prototypes for the RFID UHF band allocated in Europe have been fabricated, and measurements of the impedance and read range are provided.
引用
收藏
页码：1225 / 1228
页数：4
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