Design of an ultra-compact and high-performance antenna for private 5G applications
Youjin Han, Jae-Geun Lee, Byung Kuon Ahn · 2026
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Description
Youjin Han and team designed an ultra-compact antenna for private 5G networks, which need custom coverage with wide bandwidth and stable gain in small devices. Their 2026 work tackles the classic small-antenna trade-off: shrinking size usually narrows bandwidth and lowers gain. Private 5G demands bandwidth above 100 megahertz, a hard bar for miniature designs.
Starting from a standard patch antenna, the team extended the current path through edge deformation. They then fixed bandwidth loss through aperture coupling and a defected ground structure, plus symmetric top slots for further miniaturization. A prototype measured 4.70 to 4.83 gigahertz bandwidth with peak gain of 5.23 dBi and an electrical size of 0.19 wavelengths. The design offers a balanced, competitive option for compact private 5G devices.
Catalog record
| CREATOR | Youjin Han, Jae-Geun Lee, Byung Kuon Ahn |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 71 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |