What question did this study set out to answer?

To design a compact, self-decoupling dual-band 8 × 8 MIMO antenna system with high port isolation for 5G mobile terminals operating at 3.5 GHz and 4.9 GHz.

August 16, 2026Journal of Electromagnetic Waves and Applications

A dual-band 8 × 8 MIMO antenna system consisting of self-decoupled antenna pairs with high isolation

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Authors

HLHan Lin WSWenjie Sun ZWZhonggen Wang

Discussion

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Overview

Experimental study demonstrates high isolation and efficiency in a dual-band 8×8 MIMO antenna array, suggesting improved compact integration for 5G mobile terminals.

Key Points

To design a compact, self-decoupling dual-band 8 × 8 MIMO antenna system with high port isolation for 5G mobile terminals operating at 3.5 GHz and 4.9 GHz.
Designed antenna pairs using M-shaped dual feed lines coupled to a hybrid radiating structure featuring an H-shaped primary radiator and a T-shaped parasitic element.
Equalized common-mode and differential-mode impedances to cancel coupling currents and integrated T-shaped ground stubs between adjacent pairs.
Fabricated a prototype model and validated performance across target bands through numerical simulations and experimental measurements.
Achieved a -10 dB impedance bandwidth spanning 3.4–3.6 GHz and 4.8–5.0 GHz.
Obtained isolation exceeding 18 dB in the lower band (3.5 GHz) and exceeding 20 dB in the upper band (4.9 GHz).
Recorded total radiation efficiencies of 88%–93% in the 3.5 GHz band and 63%–90% in the 4.9 GHz band.

Cite This Study

Lin et al. (2026) studied this question.

synapsesocial.com/papers/6a81796af2fb91fc834ac8ca https://doi.org/10.1080/09205071.2026.2716642

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August 16, 2026Journal of Electromagnetic Waves and Applications

A dual-band 8 × 8 MIMO antenna system consisting of self-decoupled antenna pairs with high isolation

View Full Paper

Ask AI

Bookmark

Authors

HLHan Lin WSWenjie Sun ZWZhonggen Wang

Discussion

Member takes

Overview

Experimental study demonstrates high isolation and efficiency in a dual-band 8×8 MIMO antenna array, suggesting improved compact integration for 5G mobile terminals.

Key Points

To design a compact, self-decoupling dual-band 8 × 8 MIMO antenna system with high port isolation for 5G mobile terminals operating at 3.5 GHz and 4.9 GHz.
Designed antenna pairs using M-shaped dual feed lines coupled to a hybrid radiating structure featuring an H-shaped primary radiator and a T-shaped parasitic element.
Equalized common-mode and differential-mode impedances to cancel coupling currents and integrated T-shaped ground stubs between adjacent pairs.
Fabricated a prototype model and validated performance across target bands through numerical simulations and experimental measurements.
Achieved a -10 dB impedance bandwidth spanning 3.4–3.6 GHz and 4.8–5.0 GHz.
Obtained isolation exceeding 18 dB in the lower band (3.5 GHz) and exceeding 20 dB in the upper band (4.9 GHz).
Recorded total radiation efficiencies of 88%–93% in the 3.5 GHz band and 63%–90% in the 4.9 GHz band.

Cite This Study

Lin et al. (2026) studied this question.

synapsesocial.com/papers/6a81796af2fb91fc834ac8ca https://doi.org/10.1080/09205071.2026.2716642

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