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Estimation of Spherical Wave Coefficients from 3D Positioner Channel Measurements

Author

Summary, in English

Electromagnetic vector spherical waves have been used recently to model antenna channel interaction and the available degrees of freedom in MIMO systems. However, there are no previous accounts of a method to estimate spherical wave coefficients from channel measurements. One approach, using a 3D positioner, is presented in this letter, both in theory and practice.

Measurement results are presented and discussed. One conclusion is that using randomly positioned measurements within a volume is less sensitive to noise than using only measurements on the surface.

Publishing year

2012

Language

English

Publication/Series

Technical Report LUTEDX/(TEAT-7215)/1-11/(2012)

Document type

Report

Publisher

[Publisher information missing]

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • channel measurements
  • 3D positioner
  • spherical wave expansion
  • probe correction

Status

Published

Project

  • EIT_HSWC:Antenna MIMO antennas and channels

Report number

TEAT-7215

Research group

  • Radio Systems
  • Electromagnetic theory