Decoupling methods of MIMO antenna arrays for 5G applications: a review

Xiao-xi ZHANG; Ai-di REN; Ying LIU

doi:10.1631/FITEE.1900466

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Decoupling methods of MIMO antenna arrays for 5G applications: a review

Special Issue on Evolution and Innovation of Antenna Systems for Beyond 5G and 6G | Updated：2022-05-19

- Decoupling methods of MIMO antenna arrays for 5G applications: a review
- 5G应用下的MIMO阵列天线去耦方法综述
- Frontiers of Information Technology & Electronic Engineering Vol. 21, Issue 1, Pages: 62-71(2020)
- Affiliations：
  
  Science and Technology on Antenna and Microwave Laboratory, Xidian University, Xi'an 710071, China
  Department of Electronic and Digital Technologies, Polytech Nantes, University of Nantes, Nantes 44306, France
- Author bio：
  
  Ying LIU, E-mail: liuying@mail.xidian.edu.cn
- Funds：
- DOI：10.1631/FITEE.1900466
  CLC： O441
- Received：06 September 2019，
  
  Revised：2020-;1-18，
  
  Published：2020-01
- Accepted：
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Xiao-xi ZHANG, Ai-di REN, Ying LIU. Decoupling methods of MIMO antenna arrays for 5G applications: a review[J]. Frontiers of Information Technology & Electronic Engineering, 2020, 21(1): 62-71.
DOI：

Xiao-xi ZHANG, Ai-di REN, Ying LIU. Decoupling methods of MIMO antenna arrays for 5G applications: a review[J]. Frontiers of Information Technology & Electronic Engineering, 2020, 21(1): 62-71. DOI： 10.1631/FITEE.1900466.

摘要

多输入多输出（MIMO）技术是未来通信的关键技术，它可以有效增加信道容量。对于未来的第五代（5G）终端，在紧凑的尺寸内实现理想隔离度仍具有挑战性。为取得可接受的隔离度，众多学者已开发许多去耦方法。本文回顾有关去耦方法的最新研究，包括增加去耦结构、使用正交模式和减小地板影响，并讨论5G智能手机中MIMO阵列天线的发展趋势。

Abstract

Multiple-input multiple-output (MIMO) technique is a key technique for communication in the future. It can effectively enhance channel capacity. For future fifth-generation (5G) terminals

it is still a challenging task to realize desirable isolation within a compact size. To achieve an acceptable isolation level

many decoupling methods have been developed. We review the most recent research on decoupling methods

including the employment of external decoupling structures

orthogonal modes

and reduction of ground effect

and discuss the development trends of the MIMO array in 5G smartphones.

关键词

Keywords

references

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