A MIMO ANTENNA WITH A TWO-STAGE GROUND FOR USB DONGLE APPLICATIONS

被引:3
作者
Yu, Yeonsik [1 ,2 ]
Kim, Giho [2 ]
Seong, Wonmo [2 ]
Choi, Jaehoon [1 ]
机构
[1] Hanyang Univ, Div Elect & Comp Engn, Seoul 133791, South Korea
[2] EMW Corp, Seoul 153803, South Korea
关键词
high isolation; internal antenna; MIMO; DIVERSITY ANTENNA;
D O I
10.1002/mop.25742
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 multiband internal multiple-input multiple-output (MIMO) antenna for USB dangle applications is proposed. Two types of antenna element are used to construct a MIMO antenna system. The resonance frequencies of the MIMO antenna are controlled by the lengths of the two asymmetric arms or by the number of turns in a helix. The designed antenna provides wide bandwidth to cover LTE, DCN, and PCS-1900 services, simultaneously. Although the MIMO antenna is installed within an electrically small USB dongle device, the isolation characteristic and antenna performance can be improved by using a two-stage ground structure. (C) 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:418-422, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25742
引用
收藏
页码:418 / 422
页数:5
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