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Calculating signal correlation in lossy dipole arrays using scattering parameters and efficiencies

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Author

Summary, in English

Correlation coefficient, as a critical performance metric of multiple antenna systems, can be calculated from the 3D radiation patterns of the antennas for multipath environments with uniform 3D angular power spectrum. A simpler, faster and lower cost approach uses the antennas’ scattering parameters to determine correlation coefficient. However, the method assumes lossless antennas, and hence only achieves good accuracy for antennas with high radiation efficiencies. In this work, a method for calculating correlation coefficients in lossy dipole arrays is proposed, using only the scattering parameters and radiation efficiencies. The method is based on the equivalent circuit of antennas, and it gives a significantly better estimate of the correlation coefficient than the existing methods. The proposed method is also applied to two folded monopole antennas in a compact terminal to demonstrate its effectiveness.

Publishing year

2013

Language

English

Pages

519-523

Publication/Series

European Conference on Antennas and Propagation (EuCAP), 2013

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

7th European Conference on Antennas and Propagation (EuCAP), 2013

Conference date

2013-04-08 - 2013-04-12

Conference place

Gothenburg, Sweden

Status

Published

Project

  • EIT_ANTCHN Antenna-Channel Harmonization for Throughput Enhancement in Advanced Mobile Terminals
  • EIT_Optantsys Novel Antenna System Design Paradigm for High Performance Mobile Communications

Research group

  • Electromagnetic theory
  • Radio Systems

ISBN/ISSN/Other

  • ISSN: 2164-3342
  • ISBN: 978-1-4673-2187-7
  • ISBN: 978-88-907018-3-2