A Compact Planar Monopole UWB MIMO Antenna Design with Increased Isolation for Diversity Applications

A compact planar multiple input multiple output (MIMO) antenna with four elements spanning the ultra-wideband (UWB) is proposed for diversity applications. The unit cells are positioned orthogonally to lower the mutual coupling by replicating the single antenna three times. A 35 × 35 × 1.6 mm3 UWB M...

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Bibliographic Details
Published in:Applied Computational Electromagnetics Society journal 2022-04, Vol.37 (4), p.458
Main Authors: Kolangiammal, S., Balaji, L., Vairavel, G.
Format: Article
Language:English
Subjects:
Antenna design
Antennas
Bandwidths
Communication
Design
Frequency spectrum
Ground plane
Microstrip transmission lines
MIMO communication
Mutual coupling
Radiation
Radiators
Substrates
Ultrawideband
Wireless communications
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Summary:A compact planar multiple input multiple output (MIMO) antenna with four elements spanning the ultra-wideband (UWB) is proposed for diversity applications. The unit cells are positioned orthogonally to lower the mutual coupling by replicating the single antenna three times. A 35 × 35 × 1.6 mm3 UWB MIMO antenna is provided with a 50-Ω impedance microstrip line on a 1.6-mm thick FR4 substrate. In the radiator and ground plane, some modifications are made to achieve the operating limits of this antenna between the frequencies of 3.1-10.6 GHz, thereby covering the entire frequency spectrum of the UWB with compact size. We conclude from the calculated results that the proposed antenna has high performance characteristics appropriate for UWB wireless indoor communication and diversity applications with compact size.
ISSN:1054-4887
1943-5711
DOI:10.13052/2022.ACES.J.370411