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Simple and improved approach of estimating MIMO capacity from antenna magnitude patterns

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Author

Summary, in English

This paper proposes a simple and improved approach of estimating MIMO capacity from antenna magnitude patterns, i.e., the antenna patterns are phaseless. The simple approach synthesizes the phases according to the antenna spacing, and it compares favorably with an existing approach based on random phase synthesis. Moreover, the simple approach can be improved by taking into account the correlation between the magnitude patterns. The performance of the existing and proposed approaches in estimating MIMO capacity is investigated for dipole antenna systems with different gain and correlation characteristics, under different conditions of antenna spacings, impedance matching networks and propagation scenarios. It is found that an average capacity estimation error of under 0.5% is achieved for the proposed approach, as compared to up to 20.6% error for the random phase approach.

Publishing year

2009

Language

English

Pages

1770-1774

Publication/Series

3rd European Conference on Antennas and Propagation, EuCAP 2009.

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

European Conference on Antennas and Propagation (EUCAP), 2009

Conference date

2009-03-23 - 2009-03-27

Conference place

Berlin, Germany

Status

Published

Research group

  • Radio Systems
  • Electromagnetic theory

ISBN/ISSN/Other

  • ISBN: 978-1-4244-4753-4