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Dual-Beam MIMO Antenna Design Based on a Simple Decoupling Inductor
- Issue Date
- May-2024
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- CMA; coupling mode; decoupling mode; dipole antenna; dual-beam antenna; inductor; patch antenna
- Citation
- 2024 IEEE International Workshop on Radio Frequency and Antenna Technologies, iWRF and AT 2024, pp 237 - 241
- Pages
- 5
- Indexed
- SCOPUS
- Journal Title
- 2024 IEEE International Workshop on Radio Frequency and Antenna Technologies, iWRF and AT 2024
- Start Page
- 237
- End Page
- 241
- ISSN
- 0000-0000
- Abstract
- In this article, a dual-beam multiple-input and multiple-output (MIMO) antenna is presented, using a lumped inductor to reduce severe mutual coupling between two-closely spaced antennas. Using characteristic mode analysis (CMA), the decoupling mechanism can be revealed, which can be analyzed by coupling mode and decoupling mode. When two modes with anti-phase current distributions coexist around the operational frequency band, isolation enhancement can be achieved when both modes are simultaneously excited and superposed. The inductor-based decoupling strategy can be also applicable to patch antenna.
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