3D Printed Long-Range Cavity Structure UHF RFID Tag Antenna with Painting Conductive Ink on Convex Surface

被引：3

作者：

Byondi, Franck Kimetya ^{[1
]}

Chung, Youchung ^{[1
]}

机构：

[1] Daegu Univ, Informat & Commun Engn Dept, Kyungsan 38453, South Korea

来源：

SENSORS | 2021年 / 21卷 / 04期

关键词：

RFID tag antenna; long-range RFID tag; cavity antenna; convex tag antenna; RFID metal tag; RFID sensors; painted RFID tag antenna; IoT RFID sensor; 3D antenna; concave antenna; energy harvesting; BACKSCATTERING;

D O I：

10.3390/s21041408

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

In this paper, we describe a long-range convex cavity-type passive ultra-high-frequency (UHF) radio frequency identification (RFID) tag to use on various metal and non-metal surfaces, for IoT sensor energy harvesting. The tag antenna is built on the 3D printed cavity structure with polylactic acid (PLA) plastic and painted with the conductive ink on the 1 mm protruding area (convex) of inner surface and the side-walls of the cavity structure to form a cavity structure. The tag is designed to operate in the UHF band (840-960 MHz). This long-range cavity tag antenna (CTA) works at both 920 MHz and 915 MHz UHF RFID frequencies. It provides a linear polarized (LP) frontal reading range of 35 m and side reading range above 15 m when mounted on either metal or non-metal objects. We describe the antenna characteristics, structure, modeling, simulation, and experimental results. A mathematical reading range also was calculated and compared with experimental data.

引用

页码：1 / 14

页数：14

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