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Estimation of Spherical Wave Coefficients from 3D Positioner Channel Measurements

Publiceringsår: 2012
Språk: Engelska
Sidor: 608-611
Publikation/Tidskrift/Serie: IEEE Antennas and Wireless Propagation Letters
Volym: 11
Dokumenttyp: Artikel


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 for this, using a 3D positioner, is presented and analyzed in this letter. Measurement results are presented and discussed. It is concluded that estimates based on randomly positioned measurements within a volume are less sensitive to noise than those based only on measurements on the surface.



  • Electrical Engineering, Electronic Engineering, Information Engineering
  • Channel measurements
  • spherical wave expansions
  • probe correction
  • 3D positioner


  • Swedish Foundation for Strategic Research (SSF)
  • EIT_HSWC:Antenna MIMO antennas and channels
  • Electromagnetic theory
  • ISSN: 1536-1225

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