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2000
Volume 18, Issue 8
  • ISSN: 2352-0965
  • E-ISSN: 2352-0973

Abstract

Introduction

This research presents an 8-port 3.6 GHz multiple-input multiple-output (MIMO) cell phone bezel antenna for 5G mobile communication.

Methods

Each antenna unit consists of a Chinese character “卫”. In order to reduce the mutual coupling between MIMO units, a defective ground structure (DGS) decoupling structure is employed in this research. By increasing DGS in between the antenna, the mutual coupling between adjacent antenna is greatly reduced. The transmission coefficient and surface current distribution account for the decoupling structure's efficacy.

Results

Simulated and measured results show that the antenna can operate at Bluetooth/Wi-Fi (2.4-2.483.5 GHz), N77 (3.3-4.2 GHz), N78 (3.3-3.8 GHz), and N79 (4.4-5.0 GHz) frequencies.

Conclusion

In addition, the proposed MIMO antenna has excellent diversity performance, good isolation between antenna units (>15 dB), and envelope correlation coefficient (ECC) lower than 0.01, due to which the proposed MIMO antenna can be an excellent choice for 5G cellular communications.

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2024-08-21
2025-11-15

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Wideband Decoupled 8-Element MIMO Bezel Antenna Pairs for 5G Mobile Terminals
Recent Advances in Electrical & Electronic Engineering 18, 1295 (2025); https://doi.org/10.2174/0123520965311840240807044650
/content/journals/raeeng/10.2174/0123520965311840240807044650
/content/journals/raeeng/10.2174/0123520965311840240807044650
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  • Article Type:     Research Article
Keyword(s): 5G mobile terminals; antenna pair; decoupled; ECC; MIMO; multi-frequency

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