Analysis of Dualport Reader Antenna for UHF RFID Near-Field and Far-Field Applications

被引：1

作者：

Jin, Kui ^{[1
]}

Geng, Zhiyuan ^{[2
]}

Zheng, Jingming ^{[5
]}

Liu, Ye ^{[6
]}

Zhang, Enze ^{[3
,4
]}

Yang, Yang ^{[6
]}

He, Xiaoxiang ^{[6
]}

机构：

[1] Huaiyin Inst Technol, Fac Elect Informat Engn, Huaiyin 223300, Peoples R China

[2] Nanjing Univ Posts & Telecommun, Nanjing 210016, Jiangsu, Peoples R China

[3] Nanjing Univ Sci & Technol, Nanjing, Jiangsu, Peoples R China

[4] Ministerial Key Lab JGMT, Nanjing 210016, Jiangsu, Peoples R China

[5] Philips Suzhou Co Ltd, Suzhou 215000, Peoples R China

[6] NUAA, Coll Elect & Informat Engn, Nanjing 210016, Jiangsu, Peoples R China

来源：

PROGRESS IN ELECTROMAGNETICS RESEARCH M | 2018年 / 72卷

关键词：

D O I：

10.2528/PIERM18052001

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 dual-port reader antenna based on magnetic coupling in near-field (NF) and linear polarization in far-field (FF) is proposed for UHF RFID multiservice applications. The prototype consists of four straight dipoles fed by double-side parallel stripline structure with two feed ports. The proposed antenna can operate at different modes by feeding each corresponding port. In NF mode, a strong and uniform magnetic field can be generated over the interrogation zone. In FF mode, a linearly polarized performance can be obtained. The antenna prototype is printed onto a piece of FR4 substrate with an overall size of 180 x 180 x1.6mm(3). The measured tests on reading range are carried out, and the results exhibit 100% reading rate for near-field tags within 100mm and reading distance of far-field tags is 120 cm. Both simulated and measured results show good capability for near-and far-field applications.

引用

页码：31 / 40

页数：10

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