What the study reports
A grounded single-layer metasurface is integrated with an antenna and extended to a multiple-input-multiple-output configuration. The abstract reports negative effective permittivity from 3 to 5.9 GHz and negative effective permeability from 5.9 to 9 GHz. The integrated antenna has a reported impedance band of 4.3–7.41 GHz and an axial-ratio band of 4.7–6.3 GHz. [1]
What this does not establish
This is a peer-reviewed accepted early article, not the final Version of Record. Assessment is limited to the abstract and metadata. The impedance and axial-ratio bandwidths describe different criteria. Effective-parameter retrieval does not establish isotropic bulk behavior or performance in arbitrary mounting conditions.
Our engineering reading
In our interpretation, the engineering question is whether the added metasurface gives a useful size, polarization and bandwidth trade-off. Efficiency, isolation, tolerance and application-specific comparisons require the complete test record.
Editorial interpretation; not an additional measured result.Dual-band single negative metamaterial-based MIMO antenna with enhanced performance
Scientific Reports · 16 October 2026
DOI: 10.1038/s41598-026-75514-z- Publisher article and paper-specific author affiliations PRIMARY SOURCE · publisher · checked 20 October 2026
- Crossref bibliographic metadata · metadata · checked 20 October 2026
Scientific coverage: Publisher abstract, accepted-article notice and complete author-affiliation metadata reviewed; full scientific text not reviewed.. Source check: 20 October 2026.
Metadata enrichment does not imply that the full scientific methods were reviewed.