A Quad Port MIMO Antenna Designed with an X-Shaped Decoupling Structure for Wideband Millimeter-Wave (mm-Wave) 5G FR2 New Radio (N258/N261) Bands Applications

Sengar, Suverna; Malik, Praveen Kumar; Das, Sudipta; Islam, Tanvir; Singh, Rajesh; Asha, Sivaji

doi:10.1007/s11277-024-10934-6

Cited by 7 publications

(1 citation statement)

References 47 publications

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“…Operating at 26.2 to 34.2 GHz mm-wave band, it exhibits impressive gains up to 7.6 dBi and excellent MIMO characteristics with 25 dB isolation and over 90% radiation efficiency. A novel quad port-MIMO antenna with symmetrical configuration, as referenced in [41], achieves wideband capability from 22.5 to 29.2 GHz, highlighting compact dimensions (40 × 40 × 0.8 mm), superior isolation (> −27 dB), and excellent MIMO metrics, ideal for 5G NR bands N258 and N261 applications. A compact quad-port dual-band MIMO antenna for 5G smartphones [42] is built on a 17.76 × 17.76 mm 2 substrate, achieving low mutual coupling and significant gains at 28/38 GHz with nearly 93% radiation efficiency.…”

Section: Introductionmentioning

confidence: 99%

A MIMO antenna array featuring dual wideband and high gain for 5G NR n257/n258/n260/n261 bands applications

Hmamou,

kiouach,

Das

et al. 2024

Phys. Scr.

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This article introduces the development of a Multi-Input Multi-Output (MIMO) antenna array specifically designed for 5G millimeter-wave (mm-wave) communication systems. The suggested MIMO configuration consists of four antenna arrays, each comprising two elements arranged evenly, operating at 26 GHz and 37 GHz with a physical size of 43 mm × 32.5 mm × 0.8 mm using a Rogers RT/Duroid 5880 substrate. The proposed MIMO configuration provides dual bands, with frequency bands extending from 23.8 to 30 GHz (IBW= 6.2 GHz) and 32.5 to 41 GHz (IBW= 8.5 GHz), accompanied by high gains of around 18.5 dB for the first band and 16.4 dB for the second band. The designed antenna also shows broad circular polarization with 3 dB Axial Ratio Bandwidth (ARBW) of 4.75 GHz, ranging from 25.05 to 29.8 GHz. A physical prototype has been fabricated for the proposed 4 port MIMO antenna array and tested to verify the results acquired from simulations. The comparison between simulation and measurement results in terms impedance and radiation parameters such as S-parameters, isolation, gain, axial ratio (AR), efficiency, radiation patterns, and various necessary MIMO metrics demonstrates a strong alignment. This antenna covers various 5G New Radio (NR) application bands such as 28 GHz n257 (26.50-29.50 GHz), 26 GHz n258 (24.25-27.50 GHz), 28 GHz n260 (37-40 GHz) and 28 GHz n261 (27.50-28.35 GHz) utilized across different countries including Canada, Australia, China, France, Germany, India, Italy, Japan, South Korea, United Kingdom, and United States of America.

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Section: Introductionmentioning

confidence: 99%