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2006
IEEE

Measurement of Time-Varying MIMO Channel for Performance Analysis of Closed-Loop Transmission

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Measurement of Time-Varying MIMO Channel for Performance Analysis of Closed-Loop Transmission
— A real-time multiple-input multiple-output (MIMO) channel measurement system was implemented by using a 4×4 MIMO software defined radio (SDR) testbed. A target application of this system is to evaluate realistic performance of closed-loop MIMO transmission in time-varying channels at 5GHz band. The results of indoor measurements showed that feedback delay of the closed-loop transmission causes severe degradation of channel capacity, and an interference canceller in eigenbeamspace is indispensable in achieving the benefits of channel state information (CSI) feedback.
Kei Mizutani, Kei Sakaguchi, Jun-ichi Takada, Kiyo
Added 12 Jun 2010
Updated 12 Jun 2010
Type Conference
Year 2006
Where VTC
Authors Kei Mizutani, Kei Sakaguchi, Jun-ichi Takada, Kiyomichi Araki
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