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IEICE TRANSACTIONS on Communications

A Spatial Fading Emulator for Evaluation of MIMO Antennas in a Cluster Environment

Tsutomu SAKATA, Atsushi YAMAMOTO, Koichi OGAWA, Hiroshi IWAI, Jun-ichi TAKADA, Kei SAKAGUCHI

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Summary :

This paper presents a spatial fading emulator for evaluating handset MIMO antennas in a cluster environment. The proposed emulator is based on Clarke's model and has the ability to control RF signals directly in spatial domain to generate an accurate radio propagation channel model, which includes both uniform and non-uniform angular power spectra (APS) in the horizontal plane. Characteristics of a propagation channel such as fading correlations, eigenvalues and MIMO channel capacities of handset antennas located in the vicinity of the emulator's ring can be evaluated. The measured results show that the fading emulator with 31 antenna probes is sufficient to evaluate fading correlation and MIMO channel capacity of handset antenna in the case of a narrow APS with the standard deviation of more than 20 degrees.

Publication
IEICE TRANSACTIONS on Communications Vol.E97-B No.10 pp.2127-2135
Publication Date
2014/10/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E97.B.2127
Type of Manuscript
Special Section PAPER (Special Section on Recent Progress in Measurement and Design Techniques on Antennas, Propagation and Wireless Systems)
Category

Authors

Tsutomu SAKATA
  Panasonic Corporation
Atsushi YAMAMOTO
  Panasonic Corporation
Koichi OGAWA
  University of Toyama
Hiroshi IWAI
  Panasonic Corporation
Jun-ichi TAKADA
  Tokyo Institute of Technology
Kei SAKAGUCHI
  Osaka University

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