On the isolation of a MIMO 2 × 2 antenna system using non‐resonant elements: 1.71 GHz–2.69 GHz case study

A MIMO antenna system with two non‐resonant antenna elements operating at the high‐bands of LTE (1.71GHz–2.69GHz) is proposed. To improve the isolation, a stub has been located between the two non‐resonant elements in a smartphone platform. Results for measured multiplexing efficiency and isolation...

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Bibliographic Details
Published inMicrowave and optical technology letters Vol. 59; no. 9; pp. 2348 - 2353
Main Authors Grau, L., Andújar, A., Anguera, J.
Format Journal Article
LanguageEnglish
Published New York Wiley Subscription Services, Inc 01.09.2017
Subjects
Antennas
MIMO
MIMO (control systems)
Mobile communication systems
Multiplexing
Small antennas
Wireless communications
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Summary:A MIMO antenna system with two non‐resonant antenna elements operating at the high‐bands of LTE (1.71GHz–2.69GHz) is proposed. To improve the isolation, a stub has been located between the two non‐resonant elements in a smartphone platform. Results for measured multiplexing efficiency and isolation are compared with and without the stub. The main conclusion is that the stub not only improves isolation but also improves the average measured multiplexing efficiency by 1dB across the band.
Bibliography:Funding information
Part of this project has received funding from the European Union's Horizon 2020 research and innovation program under grant agreement N° 674491.
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.30734