A Compact Frequency-Reconfigurable Multiband LTE MIMO Antenna for Laptop Applications

被引：50

作者：

Mun, Byeonggwi ^{[1
]}

Jung, Changwon ^{[2
]}

Park, Myun-Joo ^{[1
]}

Lee, Byungje ^{[1
]}

机构：

[1] Kwangwoon Univ, Dept Wireless Commun Engn, Seoul 139701, South Korea

[2] Seoul Natl Univ Sci & Technol, Grad Sch NID Fus Technol, Seoul 139743, South Korea

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2014年 / 13卷

基金：

新加坡国家研究基金会;

关键词：

Terms DC bias circuit; frequency-reconfigurable antenna; laptop application; Long Term Evolution (LTE); multiband antenna; multiple-input multiple-output (MIMO) antenna; DIVERSITY;

D O I：

10.1109/LAWP.2014.2339802

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 compact frequency-reconfigurable multipleinput multiple-output (MIMO) antenna on a laptop is proposed for multiband LTE services. Each MIMO antenna consists of two planar inverted-F antenna (PIFA) elements, using a T-shaped dc line and two p-i-n diodes (D1 and D2), in conjunction with the proximity-coupled feed structure. By effectively minimizing its dimension and its interference with antenna performance, the proposed T-shaped dc line is designed to fit within the proximity-coupled feed structure. The proposed MIMO antenna covers the LTE 17/13 bands (704-787 MHz, VSWR < 3) at State 1 (D1 and D2: ON state), and the LTE 20/7 bands (791-862 MHz, 2500-2690 MHz, VSWR < 3) at State 2 (D1 and D2: OFF state). The proposed antenna obtains high isolation (> 20 dB), low envelope correlation coefficient (ECC < 0.0161), and total efficiency of greater than 51%, for all operating frequency bands.

引用

页码：1389 / 1392

页数：4

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