ArticleScientific reports2025
A high isolated, high gain millimeter wave quad-port MIMO antenna array for wideband 5G new radio application.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Comprehensive evaluation of a tri-band MIMO antenna with SAR and MIMO performance for 5G devices.Scientific reports · 2026Article
- Design and analysis of tetra-port MIMO antenna for next generation vehicular communication.Scientific reports · 2026Article
- Tapered feedline based quad-port dual-band MIMO antenna at 24/38 GHz for next generation communication systems.Scientific reports · 2026Article
- A high-gain Y-shaped patch array with an 8-port MIMO configuration for pattern diversity in mm-wave applications.Scientific reports · 2026Article
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Authors and funding
7 authors.
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Abstract
This paper introduces a high-performance quad-port Multiple-Input Multiple-Output (MIMO) antenna array for wideband 5G New Radio (NR) (n258, n257, n260, and n261) applications in the millimeter-wave (mmWave) spectrum. The target antenna structure employs a 1 × 2 element array design with microstrip line feeding and includes diamond-shaped slots along with defected ground geometry (DGG) to increase bandwidth, gain, and isolation independent of complicated decoupling components. Fabricated on low-loss Rogers RT/Duroid 5880 substrate (εr = 2.2, tanδ = 0.0009), the antenna has an ultrawide operation bandwidth of 24 GHz to 40 GHz with a 50% fractional bandwidth. The measured results show a peak gain of 18.2 dBi and outstanding inter-element isolation of over 44 dB, confirming the potential for interference-free MIMO operation of the antenna. The design also exhibits better diversity performance with an ECC of < 0.0005, diversity gain (DG) of 9.99 dB, and a CCL of < 0.3 bps/Hz, affirming its use in high-capacity, low-latency 5G mmWave systems. In addition, the compact form factor of the antenna (35 × 35 × 0.254 mm
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