Low-Profile RFID Tag Antenna Using Compact AMC Substrate for Metallic Objects

被引：60
|
作者：
Kim, Dongho [1 ]
Yeo, Junho [2 ]
机构：
[1] Elect & Telecommun Res Inst, Electromagnet Future Technol Res Team, Daejoen 305700, South Korea
[2] Daegu Univ, Sch Comp & Commun Engn, Gyeongbuk 712714, South Korea
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2008年 / 7卷
关键词：
Artificial magnetic conductor (AMC); radio frequency identification (RFID); tag antenna;
D O I：
10.1109/LAWP.2008.2000813
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 (approximate to lambda/100) passive radio frequency identification (RFID) tag antenna incorporated with a compact artificial magnetic conductor (AMC) substrate is proposed. A novel modified rectangular patch type AMC substrate with offset vias is employed to significantly reduce the planar dimensions of a tag antenna, which is about 0.1 lambda x 0.2 lambda. The effect of a ground plane size and the number of AMC unit cells on the antenna performance such as return loss and gain is investigated with a view of tag installation. It is demonstrated through experiments that the proposed tag antenna shows relatively tolerant reading distances from 2.4 to 4.8 m under various platform environments such as a conductive plate or a plastic water container.
引用
收藏
页码：718 / 720
页数：3
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