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- Title
Design of a Compact Multiband Monopole Antenna with MIMO Mutual Coupling Reduction.
- Authors
Lin, Chang-Keng; Lin, Ding-Bing; Lin, Han-Chang; Lin, Chang-Ching
- Abstract
In this article, the authors present the design of a compact multiband monopole antenna measuring 30 × 10 × 1.6 mm3, which is aimed at optimizing performance across various communication bands, with a particular focus on Wi-Fi and sub-6G bands. These bands include the 2.4 GHz band, the 3.5 GHz band, and the 5–6 GHz band, ensuring versatility in practical applications. Another important point is that this paper demonstrates effective methods for reducing mutual coupling through two meander slits on the common ground, resembling a defected ground structure (DGS) between two antenna elements. This approach achieves mutual coupling suppression from −6.5 dB and −9 dB to −26 dB and −13 dB at 2.46 GHz and 3.47 GHz, respectively. Simulated and measured results are in good agreement, demonstrating significant improvements in isolation and overall multiple-input multiple-output (MIMO) antenna system performance. This research proposes a compact multiband monopole antenna and demonstrates a method to suppress coupling in multiband antennas, making them suitable for internet of things (IoT) sensor devices and Wi-Fi infrastructure systems.
- Subjects
MONOPOLE antennas; ANTENNAS (Electronics); INFRASTRUCTURE (Economics); INTERNET of things; WIRELESS Internet
- Publication
Sensors (14248220), 2024, Vol 24, Issue 17, p5495
- ISSN
1424-8220
- Publication type
Article
- DOI
10.3390/s24175495