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Frontiers of Information Technology & Electronic Engineering
ISSN 2095-9184 (print), ISSN 2095-9230 (online)
2020 Vol.21 No.1 P.182-187
MIMO handset antenna for 5G/WLAN applications
Abstract: We propose a dual-module multiple-input multiple-output (MIMO) antenna for portable terminals. The operating bands of the handheld terminal antenna are 5G (3.4–3.8 GHz) and WLAN (5.150–5.925 GHz). Antenna elements of 5G and WLAN are spaced to reduce coupling between antenna elements in the same module. The return loss of all antenna elements is larger than 6 dB. The isolation between all elements is larger than 14 dB. The radiation efficiency of the high-frequency antenna is greater than 50%, and the radiation efficiency of the low-frequency antenna is greater than 40%. The far-field gain of all elements is greater than 2.2 dBi.
Key words: Fifth-generation (5G), Handset antenna, Multiple-input multiple-output (MIMO) antenna, Decouple
南京邮电大学电子与光学工程、微电子学院，中国南京市，210023
摘要：提出一种用于便携式终端的多输入多输出（MIMO）天线。手持终端天线的工作频带为5G（3.4–3.8 GHz）和WLAN（5.150–5.925 GHz）。5G和WLAN频段的天线单元交错放置，尽量保证同频单元间距离较远，以减少天线元件间的耦合。所有天线元件回波损耗均大于6 dB。所有元件间隔离度大于14 dB。高频天线辐射效率大于50%，低频天线辐射效率大于40%。所有元件远场增益大于2.2 dBi。
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DOI:
10.1631/FITEE.1900478
CLC number:
TN828.6
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On-line Access:
2020-02-27
Received:
2019-09-05
Revision Accepted:
2019-12-31
Crosschecked:
2020-01-14