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Two-Port UWB MIMO Antenna with Modified Ground for Isolation Improvement
- Authors
- Kim, Sungpeel; Choi, Jae hoon
- Issue Date
- Jan-2019
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- compact; isolation; multiple-input-multiple-output (MIMO); mutual coupling; Ultra-wideband (UWB)
- Citation
- ISAP 2018 - 2018 International Symposium on Antennas and Propagation, pp.1 - 2
- Indexed
- SCOPUS
- Journal Title
- ISAP 2018 - 2018 International Symposium on Antennas and Propagation
- Start Page
- 1
- End Page
- 2
- ISSN
- 0000-0000
- Abstract
- A printed two-port ultra-wideband (UIVB) multiple-input-multiple-output (MIMO) antenna with a compact dimension of 24 mm x 34 mm x 0.787 mm is proposed for UWB communication applications. The proposed antenna consists of two identical planar monopole antennas with a decoupling structure on the ground plane. Isolation between two radiators is improved by suppressing the surface current flow through the ground plane. The simulated impedance bandwidth (S-11 <-10 dB) is 8.2 GHz from 2.44 to 10.64 GHz. The proposed antenna has a low mutual coupling of less than -15 dB over the target hand (3.1 - 10.6 GHz). Therefore, the proposed antenna is a good candidate for UWB MIMO portable applications.
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