An ultra-wideband MIMO antenna for 5G smartphone

被引:0
|
作者
Chen, Zhe [1 ,2 ]
Yuan, Xiao-Ting [4 ]
Ren, Jian [5 ]
Yuan, Tao [1 ,2 ,3 ]
机构
[1] Shenzhen Univ, Guangdong Prov Mobile Terminal Microwave & Millime, Shenzhen 518060, Peoples R China
[2] Guangdong Hong Kong Joint Lab Big Data Imaging & C, Shenzhen 518048, Guangdong, Peoples R China
[3] Shenzhen Univ, Coll Elect & Informat Engn, ATR Natl Key Lab Def Technol, Shenzhen 518060, Guangdong, Peoples R China
[4] Shenzhen Sunway Commun Co Ltd, Shenzhen 518502, Peoples R China
[5] Xidian Univ, Natl Key Lab Antennas & Microwave Technol, Xian 710071, Peoples R China
基金
中国国家自然科学基金;
关键词
5G mobile communication; Ultra-wideband; MIMO antenna; Monopole; Inverted-F antenna (IFA); Slot antenna;
D O I
暂无
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
In this letter, a multiple-input and multiple-output (MIMO) antenna with ultra-wideband performance for 5G smartphones is investigated. Firstly, a compact antenna-element with a size of 8 x 7 mm2 is proposed. The antenna-element is designed as a shorted rectangular patch with a reclined-F slot etched on it. The antenna element operates with a wide bandwidth of 88% which is contributed by the multiple-mode resonance and L-shaped coupling excitation. Then, eight identical antenna-elements are arranged on the bezels to constitute an 8 x 8 MIMO antenna. At last, to demonstrate our design mechanism, a prototype of the proposed MIMO antenna is fabricated and measured, achieving a good agreement between the measurement and simulation. The proposed MIMO antenna covers the entire 5G NR bands and part of the LTE bands with decent in-band isolations higher than 10 dB and total efficiencies varied from 40% to 75%.
引用
收藏
页数:7
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