Tightly Arranged Four-Element MIMO Antennas for 5G Mobile Terminals

Changjiang Deng; Di Liu; Xin Lv

doi:10.1109/TAP.2019.2922757

Tightly Arranged Four-Element MIMO Antennas for 5G Mobile Terminals

Changjiang Deng^*, Di Liu, Xin Lv

^*此作品的通讯作者

集成电路与电子学院

Beijing Institute of Technology

科研成果: 期刊稿件 › 文章 › 同行评审

128 引用（Scopus）

摘要

In this paper, a compact multiple-input multiple-output (MIMO) antenna is presented for 5G mobile terminals. The antenna consists of four tightly arranged elements and three lumped components. The edge-to-edge distance between adjacent elements is only 1 mm. It is found that adding an inductor at the current minimum location or a capacitor at the current maximum location of two elements can significantly reduce the mutual coupling. Based on high-isolated dual-element structures, a four-element MIMO antenna is experimentally analyzed for 3400-3600 MHz band. The size of the antenna is only 40.8 × 3 mm². The measured-6 dB bandwidth of the antenna is 135 MHz, with port isolation higher than 11.6 dB. In addition, a vertically placed four-element MIMO antenna is designed with a size of 38.2 × 3.2 mm². No ground clearance is needed between the antenna and the chassis ground.

源语言	英语
文章编号	8741158
页（从-至）	6353-6361
页数	9
期刊	IEEE Transactions on Antennas and Propagation
卷	67
期	10
DOI	https://doi.org/10.1109/TAP.2019.2922757
出版状态	已出版 - 10月 2019

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title = "Tightly Arranged Four-Element MIMO Antennas for 5G Mobile Terminals",

abstract = "In this paper, a compact multiple-input multiple-output (MIMO) antenna is presented for 5G mobile terminals. The antenna consists of four tightly arranged elements and three lumped components. The edge-to-edge distance between adjacent elements is only 1 mm. It is found that adding an inductor at the current minimum location or a capacitor at the current maximum location of two elements can significantly reduce the mutual coupling. Based on high-isolated dual-element structures, a four-element MIMO antenna is experimentally analyzed for 3400-3600 MHz band. The size of the antenna is only 40.8 × 3 mm2. The measured-6 dB bandwidth of the antenna is 135 MHz, with port isolation higher than 11.6 dB. In addition, a vertically placed four-element MIMO antenna is designed with a size of 38.2 × 3.2 mm2. No ground clearance is needed between the antenna and the chassis ground.",

keywords = "Decoupling circuit, fifth generation (5G), four-element array, mobile terminal antennas, multiple-input multiple-output (MIMO) antennas, tight arrangement",

author = "Changjiang Deng and Di Liu and Xin Lv",

note = "Publisher Copyright: {\textcopyright} 2019 IEEE.",

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T1 - Tightly Arranged Four-Element MIMO Antennas for 5G Mobile Terminals

AU - Deng, Changjiang

AU - Liu, Di

AU - Lv, Xin

PY - 2019/10

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N2 - In this paper, a compact multiple-input multiple-output (MIMO) antenna is presented for 5G mobile terminals. The antenna consists of four tightly arranged elements and three lumped components. The edge-to-edge distance between adjacent elements is only 1 mm. It is found that adding an inductor at the current minimum location or a capacitor at the current maximum location of two elements can significantly reduce the mutual coupling. Based on high-isolated dual-element structures, a four-element MIMO antenna is experimentally analyzed for 3400-3600 MHz band. The size of the antenna is only 40.8 × 3 mm2. The measured-6 dB bandwidth of the antenna is 135 MHz, with port isolation higher than 11.6 dB. In addition, a vertically placed four-element MIMO antenna is designed with a size of 38.2 × 3.2 mm2. No ground clearance is needed between the antenna and the chassis ground.

AB - In this paper, a compact multiple-input multiple-output (MIMO) antenna is presented for 5G mobile terminals. The antenna consists of four tightly arranged elements and three lumped components. The edge-to-edge distance between adjacent elements is only 1 mm. It is found that adding an inductor at the current minimum location or a capacitor at the current maximum location of two elements can significantly reduce the mutual coupling. Based on high-isolated dual-element structures, a four-element MIMO antenna is experimentally analyzed for 3400-3600 MHz band. The size of the antenna is only 40.8 × 3 mm2. The measured-6 dB bandwidth of the antenna is 135 MHz, with port isolation higher than 11.6 dB. In addition, a vertically placed four-element MIMO antenna is designed with a size of 38.2 × 3.2 mm2. No ground clearance is needed between the antenna and the chassis ground.

KW - Decoupling circuit

KW - fifth generation (5G)

KW - four-element array

KW - mobile terminal antennas

KW - multiple-input multiple-output (MIMO) antennas

KW - tight arrangement

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Tightly Arranged Four-Element MIMO Antennas for 5G Mobile Terminals

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