What question did this study set out to answer?

To design and experimentally validate an eight-port MIMO antenna array with compact self-isolated elements for sub-6 GHz 5G smartphones.

January 1, 2022IEEE AccessOpen Access

Four-Element/Eight-Port MIMO Antenna System With Diversity and Desirable Radiation for Sub 6 GHz Modern 5G Smartphones

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Experimental study demonstrates a compact eight-port MIMO antenna array for 5G smartphones, indicating enhanced radiation diversity and isolation.

To design and experimentally validate an eight-port MIMO antenna array with compact self-isolated elements for sub-6 GHz 5G smartphones.
Integrated four pairs of miniaturized square-loop resonators with independently coupled T-shaped feed lines and underlying square slots onto the edge corners of a 75 mm × 150 mm smartphone printed circuit board.
Fabricated the dual-polarized antenna array prototype on a standard mobile mainboard to compare experimental performance with simulated models at 3.6 GHz.
The antenna system achieved an operational bandwidth of 400 MHz spanning 3.4 GHz to 3.8 GHz.
The array demonstrated self-isolation without decoupling structures, achieving an envelope correlation coefficient better than 0.004 and a total active reflection coefficient below -30 dB at 3.6 GHz.

Parchin et al. (2022) studied this question.

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January 1, 2022IEEE AccessOpen Access

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Authors

Experimental study demonstrates a compact eight-port MIMO antenna array for 5G smartphones, indicating enhanced radiation diversity and isolation.

To design and experimentally validate an eight-port MIMO antenna array with compact self-isolated elements for sub-6 GHz 5G smartphones.
Integrated four pairs of miniaturized square-loop resonators with independently coupled T-shaped feed lines and underlying square slots onto the edge corners of a 75 mm × 150 mm smartphone printed circuit board.
Fabricated the dual-polarized antenna array prototype on a standard mobile mainboard to compare experimental performance with simulated models at 3.6 GHz.
The antenna system achieved an operational bandwidth of 400 MHz spanning 3.4 GHz to 3.8 GHz.
The array demonstrated self-isolation without decoupling structures, achieving an envelope correlation coefficient better than 0.004 and a total active reflection coefficient below -30 dB at 3.6 GHz.

Parchin et al. (2022) studied this question.

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