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Miniaturized triple‐band antennas with high isolation for mimo antenna system applications
Author(s) -
Kuo ChiJung,
Liou ChongYi,
Mao ShauGang
Publication year - 2015
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.29403
Subject(s) - mimo , monopole antenna , antenna (radio) , microwave , physics , electronic engineering , electrical engineering , engineering , telecommunications , beamforming
In this article, a miniaturized multiband antenna for multiple input and multiple output (MIMO) system is proposed. The proposed structure consists of two methods to obtain size reduction with a meandering monopole antenna and a quarter‐wavelength slot antenna. The antenna element is implemented on a FR4 PCB with dimensions of 20.6 × 29.5 × 0.8 mm 3 for USB dongle applications. Measurements show that the isolation is below l0 dB and |S 11 | and |S 22 | is smaller than −6 dB at 2.5 GHz, 3.5 GHz, and 5.5 GHz. To evaluate the mutual coupling effect of MIMO system, the correlation coefficients are determined by the measured scattering parameters. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:2555–2558, 2015
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