Design, Modeling, and Evaluation of a Multiband MIMO/Diversity Antenna System for Small Wireless Mobile Terminals

A new multiband diversity antenna is presented, which is suitable for multiband diversity and multiple-input multiple-output antenna systems for small wireless mobile terminals. The antenna consists of two branches of folded monopoles, at least one of which is terminated with a rectangular patch. By...

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Bibliographic Details
Published in:IEEE transactions on components, packaging, and manufacturing technology (2011) packaging, and manufacturing technology (2011), 2011-03, Vol.1 (3), p.410-419
Main Authors: Qinjiang Rao, Wilson, K
Format: Article
Language:English
Subjects:
Antenna diversity
antenna efficiency
Antenna radiation patterns
Antennas
Applied sciences
Bandwidth
Correlation
Exact sciences and technology
Handheld computers
mean effective gain
MIMO
Radiocommunications
Resonant frequency
signal correlation coefficient
Telecommunications
Telecommunications and information theory
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Summary:A new multiband diversity antenna is presented, which is suitable for multiband diversity and multiple-input multiple-output antenna systems for small wireless mobile terminals. The antenna consists of two branches of folded monopoles, at least one of which is terminated with a rectangular patch. By slightly tuning the width of the patch, the antenna can simultaneously achieve a flexible frequency ratio and a desired bandwidth. An example design is presented for most application bands, from 890 MHz through 6 GHz, which operates in a real-world cellular phone environment, including near-field interactions with other phone components and a model of a human head (the SAM phantom). The simulated and experimental results, including S-parameters, radiation patterns, signal correlations and mean effective gain, have validated the proposed antenna design as useful for compact mobile devices.
ISSN:2156-3950
2156-3985
DOI:10.1109/TCPMT.2010.2101234