What is it about?
A printed multiband MIMO antenna is proposed in this paper. This MIMO antenna system comprises two symmetric printed monopole antennas. It can cover the GSM900, PCS, LTE2300, and 5G bands. Simulated and measured results prove that the proposed MIMO antenna can be applied to traditional 2G, 3G, 4G, and present 5G mobile communication. By etching four inverted L-shaped grooves on its ground plate, mutual coupling between the adjacent antenna elements has been suppressed. This makes the |S21| at all four resonant modes is lower than −40 dB.
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Why is it important?
With a simple DGS method, the degree of coupling in multiple frequency bands can be effectively reduced. At the same time, its structure is simple and easy to implement.
Perspectives
The proposed decoupling element is a suitable solution for miniaturization and multiband coupling reduction.
Ziyu Xu
China University of Geosciences Beijing
Read the Original
This page is a summary of: A printed multiband MIMO antenna with decoupling element, International Journal of Microwave and Wireless Technologies, March 2019, Cambridge University Press,
DOI: 10.1017/s1759078719000096.
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