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Article

Wideband Eight-Antenna Array Designs for 5G Smartphone Applications

by
Guan-Long Huang
1,
Ting-Yu Chang
2 and
Chow-Yen-Desmond Sim
2,*
1
Guangdong Provincial Key Laboratory of Industrial Intelligent Inspection: Technology, The School of Electronic and Information Engineering, Foshan University, Foshan 528225, China
2
Department of Electrical Engineering, Feng Chia University, Taichung, 40724, Taiwan
*
Author to whom correspondence should be addressed.
Electronics 2024, 13(15), 2995; https://doi.org/10.3390/electronics13152995
Submission received: 4 June 2024 / Revised: 11 July 2024 / Accepted: 17 July 2024 / Published: 29 July 2024
(This article belongs to the Special Issue Advanced Antenna Technologies for B5G and 6G Applications)

Abstract

This paper proposes a broadband eight-antenna array design suitable for Fifth Generation New Radio (5G NR) smartphone applications. To cover the 5G NR bands n77/n78/n79 (3300–5000 MHz) and 5G NR-U n46 band (5150–5925 MHz), the single antenna array unit applied is a modified loop antenna element (MLAE) that can generate three different loop modes. To yield good multi-input multi-output (MIMO) performances, the designed MLAE is further arranged as an eight-antenna array, and the experimental results show that the overlapping 6 dB bandwidth can cover the bands-of-interest (3300–5925 MHz) with good isolation and total efficiency of >10 dB and 51–84%, respectively. Finally, good MIMO performances, such as an envelope correlation coefficient (ECC) of lower than 0.1 and desirable channel capacity (CC) of 37–40 bps/Hz, were calculated across the bands-of-interest.
Keywords: antenna array; 5G smartphone; 5G NR band antenna array; 5G smartphone; 5G NR band

Share and Cite

MDPI and ACS Style

Huang, G.-L.; Chang, T.-Y.; Sim, C.-Y.-D. Wideband Eight-Antenna Array Designs for 5G Smartphone Applications. Electronics 2024, 13, 2995. https://doi.org/10.3390/electronics13152995

AMA Style

Huang G-L, Chang T-Y, Sim C-Y-D. Wideband Eight-Antenna Array Designs for 5G Smartphone Applications. Electronics. 2024; 13(15):2995. https://doi.org/10.3390/electronics13152995

Chicago/Turabian Style

Huang, Guan-Long, Ting-Yu Chang, and Chow-Yen-Desmond Sim. 2024. "Wideband Eight-Antenna Array Designs for 5G Smartphone Applications" Electronics 13, no. 15: 2995. https://doi.org/10.3390/electronics13152995

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