适用于全金属外壳5G多输入多输出智能终端的零净空正交同频天线对

常乐; 贺文宝; 陈小民; 檀笑雪; 陈娟; 康凯; 杨阳

doi:10.1631/FITEE.2200119

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适用于全金属外壳5G多输入多输出智能终端的零净空正交同频天线对

常规文章 | Updated：2022-10-28

- 适用于全金属外壳5G多输入多输出智能终端的零净空正交同频天线对
- Zero ground clearance dual antenna pair for metal-cased fifth-generation multiple input multiple output smartphone
- 信息与电子工程前沿(英文版) 2022年23卷第10期页码：1562-1567
- Affiliations：
  
  1.School of Information and Communications Engineering, Xi'an Jiaotong University, Xi'an 710049, China
  2.School of Electronic Information Engineering, Inner Mongolia University, Hohhot 010021, China
  3.Department of the Europe and Asia, China Electronics Industry Engineering Co., Ltd., Beijing 100846, China
  4.Department of the Government and Enterprise China Justice Big Data Institute, Beijing 100043, China
- Author bio：
  
  †E-mail: changle4015@126.com
- Funds：
  
  the National Natural Science Foundation of China(62101427);the Key Research and Development Project of Shaanxi Province, China(2022GY-095);the High-Level Innovation Talent Project Imported by Qinchuangyuan of Shaanxi Province, China(QCYRCXM-2022-33);the Shaanxi Key Laboratory of Deep Space Exploration Intelligent Information Technology(2021SYS-04)
- DOI：10.1631/FITEE.2200119
  中图分类号：
- 收稿：2022-03-27，
  
  修回：2022-07-20，
  
  网络出版：2022-08-12，
  
  纸质出版：2022-10-0
- Accepted：
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常乐, 贺文宝, 陈小民, 等. 适用于全金属外壳5G多输入多输出智能终端的零净空正交同频天线对[J]. 信息与电子工程前沿(英文版), 2022,23(10):1562-1567.

Le CHANG, Wenbao HE, Xiaomin CHEN, et al. Zero ground clearance dual antenna pair for metal-cased fifth-generation multiple input multiple output smartphone[J]. Frontiers of Information Technology & Electronic Engineering, 2022, 23(10): 1562-1567.
常乐, 贺文宝, 陈小民, 等. 适用于全金属外壳5G多输入多输出智能终端的零净空正交同频天线对[J]. 信息与电子工程前沿(英文版), 2022,23(10):1562-1567. DOI： 10.1631/FITEE.2200119.

Le CHANG, Wenbao HE, Xiaomin CHEN, et al. Zero ground clearance dual antenna pair for metal-cased fifth-generation multiple input multiple output smartphone[J]. Frontiers of Information Technology & Electronic Engineering, 2022, 23(10): 1562-1567. DOI： 10.1631/FITEE.2200119.

摘要

本文首次提出零净空天线对，可适用于全金属外壳第五代移动通信技术（5G）多输入多输出（MIMO）智能终端。该天线对是金属边框上的T形槽结构，可以看作由两个对称的口对口开口槽构成。该结构存在两种工作于半波模式的极化正交特征模：对于同相电流环模式，两个开口槽相位相反，可以通过在缝隙处建立电位差来激励；对于槽模式，两个开口槽相位相同，可由一个对称馈电网络来激励。得益于T形槽位于侧边边框，不需要天线净空，非常适用于现代全面屏智能终端，终端后盖可采用金属材质，适用于全金属外壳终端。本文加工了一个Sub-6 GHz的四天线阵列来验证其可行性。在3.4–3.6 GHz，两对天线对的隔离性均优于16.9 dB，任意两个天线之间的包络相关系数（ECC）均小于0.13，两种模式的总效率范围分别为43.5%–61.9%和40.5%–53.5%。

Abstract

The fifth-generation (5G) era has already arrived and many applications are prospering. The multiple input multiple output (MIMO) system is the key to enhancing channel capacity for both the fourth-generation (4G) wireless communication and 5G systems. For a smartphone

the most challenging task for antenna engineers is to accommodate the numerous 4G and 5G multi-port antennas while avoiding mutual coupling problems (

Li Y et al.

2009

Li Y et al.

2009

2012

;

Hong

2017

Hong

2017

;

Sharawi et al.

2017

Sharawi et al.

2017

). Therefore

implementing multiple antennas within a small space is a worthwhile topic to study

especially for antennas operating at the same frequency.

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references

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