Content introduction
Chinese Abstract:
A multiple input multiple output (MIMO) antenna for portable terminals is proposed. The working frequency band of the antenna of the handheld terminal is 5g (3.4 – 3.8 GHz) and WLAN (5.150 – 5.925 GHz). The antenna units of 5g and WLAN frequency bands are staggered to ensure a long distance between the same frequency units as far as possible, so as to reduce the coupling between the antenna elements. The return loss of all antenna elements is greater than 6 dB. The isolation between all components is greater than 14 dB. The radiation efficiency of HF antenna is more than 50%, and that of LF antenna is more than 40%. The far-field gain of all components is greater than 2.2 DBI.
key word:
Fifth generation communication system (5g); handheld antenna; MIMO antenna; decoupling technology
Author:
Cheng Yong, Lu Jing, Sheng Bingqing
Company:
School of electronic and optical engineering and microelectronics, Nanjing University of Posts and telecommunications, Nanjing 210023, China
Reference format:
Yong Cheng, Jing Lu, Bing-qing Sheng, 2020. MIMO handset antenna for 5G/WLAN applications. Frontiers of Information Technology & Electronic Engineering, 21(1):182-187.
https://doi.org/10.1631/FITEE.1900478
Introduction:
Cheng Yong, deputy dean of School of electronic and optical engineering and School of microelectronics, Nanjing University of Posts and telecommunications. He has been engaged in the teaching and scientific research of electromagnetic field theory, RF microwave technology and antenna theory for a long time. At present, his main research fields include: small antenna design, LTCC microwave passive device design, millimeter wave filtering function integrated feed network technology. Presided over and participated in more than 20 national natural science funds, major national special projects, horizontal scientific research projects of enterprises and military projects. It has won the second prize of national teaching achievement, the special prize of Jiangsu teaching achievement and the third prize of Jiangsu Science and technology progress. He has published more than 40 papers in domestic and foreign publications and conferences, authorized 7 national invention patents and published 1 monograph.
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