Miniature and higher-order mode ferrite mimo ring patch antenna for mobile commu-nication system

被引：12

作者：

Bae S. ^{[1
]}

Hong Y.-K. ^{[1
]}

Lee J.-J. ^{[1
]}

Park J.-H. ^{[1
]}

Jalli J. ^{[1
]}

Abo G. ^{[1
]}

Kwon H.-M. ^{[2
]}

Jayasooriya C.K.K. ^{[2
]}

机构：

[1] Department of Electrical and Computer Engineering and MINT Center, The University of Alabama, Tuscaloosa

[2] Department of Electrical Engineering and Computer Science, Wichita State University, Wichita

来源：

Progress In Electromagnetics Research B | 2010年 / 25期

关键词：

D O I：

10.2528/PIERB10071910

中图分类号：

学科分类号：

摘要：

Miniaturized ferrite ring patch antennas (RPAs) were designed and fabricated for multiple-input multiple-out (MIMO) applications. Design parameters of higher-order mode ferrite RPAs, 1-RPA and 2-RPA, were optimized, and antenna performance of the ferrite 1-RPA was evaluated. The Z-type hexaferrite and 2%-weight borosilicate glass composite was used for the ferrite antenna disk. The measured permeability (μr) and permittivity (εr) of the hexaferrite were 2.59 and 5.7, respectively, at 2.5 GHz. Three-mode orthogonal radiation of the ferrite 1-RPA was experimentally con-rmed. With regard to the ferrite 2-RPA, excellent isolation (-40 dB) between ports 1 and 2 was achieved at 2.5 GHz. This excellent isolation property is attributed to both mode 3 orthogonal radiations of the bottom and top RPAs. The volumes of the 1-and 2-RPA were reduced to 14.5% and 34.5%, respectively, from 95 cm3 of a dielectric 2-circular patch antenna (2-CPA) volume.

引用

页码：53 / 74

页数：21

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