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Fundamental Propagation Characteristics of Stirrer-Less Reverberation Chamber for MIMO-OTA Measurements
Yoshio KARASAWA Ichiro OSHIMA Fatahuddin TAMRIN Yui SAKAMOTO Rizwan ARIF Katsumori SASAKI
IEICE TRANSACTIONS on Communications
Publication Date: 2014/10/01
Online ISSN: 1745-1345
Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Measurement and Design Techniques on Antennas, Propagation and Wireless Systems)
MIMO, OTA, reverberation chamber, radio-absorbing sheet, delay spread, frequency dependence,
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We construct two types of reverberation chambers, one is 4(m) × 2(m) × 2(m)-sized and the other is 2(m) × 2(m) × 2(m)-sized for realizing a multipath-rich environment for MIMO-OTA measurements. In this paper, we measure fundamental propagation characteristics, including amplitude statistics, multipath-delay statistics, spatial correlation characteristics, and cross polarization characteristics over a frequency range of 800MHz to 5GHz in our reverberation chamber. Also, we confirm the existence of spatially uniform area of 1m2 area, which might be sufficiently large to set a device under test (DUT) in the chamber. Theoretical considerations about the characteristics are also given to support the design of reverberation chamber.