[1]周凯,王睿乔,赵志恒.多频段MIMO手机陶瓷天线设计[J].应用科技,2020,47(2):72-78.[doi:10.11991/yykj.201904017]
　ZHOU Kai,WANG Ruiqiao,ZHAO Zhiheng.Design of ceramic antenna of multi-band MIMO mobile phone[J].Applied science and technology,2020,47(2):72-78.[doi:10.11991/yykj.201904017]
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《应用科技》[ISSN:1009-671X/CN:23-1191/U]

卷:
第47卷
期数:
2020年2期
页码:
72-78
栏目:
现代电子技术
出版日期:
2020-03-05

文章信息/Info

Title:
Design of ceramic antenna of multi-band MIMO mobile phone
作者:
周凯1;  王睿乔1;  赵志恒2
1. 哈尔滨工程大学 信息与通信工程学院，黑龙江 哈尔滨 150001;
2. 中国科学院光电研究院，北京 100004
Author(s):
ZHOU Kai1;  WANG Ruiqiao1;  ZHAO Zhiheng2
1. School of Information and Communication Engineering, Harbin Engineering University, Harbin 150001, China;
2. Institute of Optoelectronics, China Academy of Sciences, Beijing 100004, China
关键词:
多输入多输出; 手机天线; 陶瓷结构; 辐射单元; 双频段移动通信; 全向辐射特性; 耦合隔离度; 天线辐射效率
Keywords:
MIMO; mobile phone antenna; ceramic structure; radiating element; dual-band mobile communication; omnidirectional radiation characteristics; coupling isolation; radiation efficiency
分类号:
TN823
DOI:
10.11991/yykj.201904017
文献标志码:
A
摘要:
多输入多输出（multiple-input multiple-output，MIMO）技术在手机天线设计中，经常遇到辐射单元尺寸过大、电磁兼容、天线辐射全向性和天线辐射效率等问题，本文提出一种多频段MIMO陶瓷天线的结构来研究和解决上述问题。其中，陶瓷结构的介电常数为6.45，并附在金属贴片结构上作为辐射单元。所采用新型的陶瓷材料将为天线提供更宽的带宽，并且减小天线辐射单元设计的尺寸，其辐射单元的尺寸为32.5 mm×17 mm×2.8 mm。实际测量天线带宽为0.89~0.97 GHz和1.71~2.20 GHz，实现了双频段移动通信并且覆盖了GSM900、DCS1800、PCS1900和LTE1900等频段。该天线具有良好的全向辐射特性，适合手机天线的应用，同时该MIMO天线的耦合隔离度较低。实测天线效率在0.89~0.97 GHz频段为21.3%~28.3%，在1.71~2.20 GHz频段为24.3%~35.2%，基本满足手机天线应用设计的需求。新设计的MIMO天线在未来全屏手机使用上将有广泛的应用前景。
Abstract:
In the design of mobile phone antenna, multiple-input multiple-output (MIMO) technology often encounters problems such as excessive size of the radiating element, electromagnetic compatibility, antenna omnidirectionality, antenna radiation efficiency, etc.. A structure of multi-band MIMO ceramic antenna is presented in this paper solve the above problems. The ceramic structure has a dielectric constant of 6.45 and is attached to a metal patch structure as a radiating unit. The new ceramic material will provide a wider bandwidth for the antenna and reduce the design size of the antenna radiating element with a size of 32.5 mm×17 mm×2.8 mm. The actually measured antenna bandwidths are 0.89~0.97 GHz and 1.71~2.20 GHz, which realize dual-band mobile communication and cover bands such as GSM900, DCS1800, PCS1900 and LTE1900, etc. The antenna has good omnidirectional radiation characteristics and is suitable for the application of a mobile phone antenna. Meanwhile, the coupling isolation of the MIMO antenna is low. The actually measured antenna efficiencies are 21.3%~28.3% in the frequency band of 0.89~0.97 GHz, and 24.3%~35.2% in the frequency band of 1.71~2.20 GHz, which basically meet the requirements of mobile phone antenna application and design. The newly designed MIMO antenna will have broad application prospects in the use of full-screen mobile phones in the future.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2019-04-15。
作者简介:周凯，男，副教授，博士;王睿乔，男，硕士研究生
通讯作者:王睿乔，E-mail：kewuaa8592119@hrbeu.edu.cn
更新日期/Last Update: 2020-04-21