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Ultra-Compact 4-Port MIMO Antenna with Defected Ground Structure and SAR Analysis for 28/38 GHz 5G Mobile Devices.
- Source :
-
Journal of Electromagnetic Waves & Applications . Jun2024, Vol. 38 Issue 9, p1000-1025. 26p. - Publication Year :
- 2024
-
Abstract
- To tackle the challenge of keeping 5G mobile devices compact while supporting millimeter-wave bands, we've created an ultra-compact 4-port dual-band MIMO antenna with a defected ground structure (DGS). This design minimizes mutual coupling and covers a broad frequency range. Built on a Rogers TMM4 substrate with dimensions of 17.76×17.76 mm2, the antenna includes four planar patch antennas positioned perpendicularly at the corners. Each antenna operates at 28/38 GHz and features a rectangular patch with four rectangular slots and a full ground plane. The patches are separated by 0.5 λo, with the DGS further reducing mutual coupling. Both simulations and measurements indicate a significant reduction in mutual coupling (−39 to −60 dB), improving ECC, TARC, MEG, and DG. Time-domain and SAR analyses confirm the antenna's efficiency and its suitability for 5G devices. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09205071
- Volume :
- 38
- Issue :
- 9
- Database :
- Academic Search Index
- Journal :
- Journal of Electromagnetic Waves & Applications
- Publication Type :
- Academic Journal
- Accession number :
- 177593789
- Full Text :
- https://doi.org/10.1080/09205071.2024.2354716