A Miniaturized Metamaterial Absorber for Ultrahigh-Frequency RFID System

被引：59

作者：

Zuo, Weiqing ^{[1
]}

Yang, Yang ^{[1
]}

He, Xiaoxiang ^{[1
]}

Zhan, Dawei ^{[1
]}

Zhang, Qifan ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Elect & Informat Engn, Nanjing 211100, Jiangsu, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2017年 / 16卷

关键词：

Terms Miniaturized metamaterial absorber (MMA); radio frequency identification (RFID) system; ultrahigh-frequency (UHF); DESIGN; THIN;

D O I：

10.1109/LAWP.2016.2574885

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：

An ultrahigh-frequency (UHF) miniaturized meta material absorber (MMA) using incurved square loop loaded with lumped resistors is proposed in this letter. The size of the unit cell is miniaturized to be only 20 x 20 mm(2), about 0.0036 lambda(2) at the center frequency (910 MHz), which is only a quarter of the size of a conventional UHF metamaterial absorber unit cell. Detailed simulations and experimental results show that the MMA covers the worldwide UHF radio frequency identification (RFID) operation band (860-960 MHz) with absorptivity more than 90% over a certain range of incident angles. Thus, the MMA can be used to improve performance of RFID systems, especially suitable for the use in restricted spaces.

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收藏

页码：329 / 332

页数：4

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