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Design of bezel antennas for multiband MIMO terminals using characteristic modes

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Author

Summary, in English

Designing decorrelated MIMO antennas in small mobile terminals at frequencies below 1 GHz is challenging since more than one antenna tend to excite the single resonant mode available to a typical chassis structure. This challenge increases even further when multiple frequency bands are required from each antenna. Recently, a design framework to obtain efficient and decorrelated MIMO antennas based on the Theory of Characteristic Modes was proposed. By slightly modifying the chassis, multiple orthogonal resonant modes may be created and excited to facilitate low correlation at frequencies below 1 GHz. In addition, multiband operation per antenna can be achieved by correlating the characteristic currents of different modes across different frequency bands. In this work, we apply the proposed framework to make opportunistic use of the bezel structure popular in mobile terminal designs to achieve efficient and uncorrelated multiband MIMO antennas.

Publishing year

2014

Language

English

Pages

2556-2560

Publication/Series

European Conference on Antennas and Propagation (EuCAP), 2014

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • mobile antenna
  • mutual coupling
  • MIMO systems
  • characteristic modes
  • antenna design
  • Antenna array

Conference name

8th European Conference on antennas and Propagation (EuCAP), 2014

Conference date

2014-04-06 - 2014-04-11

Conference place

The Hague, Netherlands

Status

Published

Project

  • Systematic Antenna Design Using the Theory of Characteristic Modes
  • EIT_Optantsys Novel Antenna System Design Paradigm for High Performance Mobile Communications

Research group

  • Radio Systems
  • Electromagnetic theory

ISBN/ISSN/Other

  • ISSN: 2164-3342