Mobility

Capacity and Spatial Correlation Measurements for Wideband Distributed MIMO Channel in Aircraft Cabin Environment

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Executive Summary

In this paper, the authors present some channel measurement results of Distributed Multiple-Input Multiple-Output (D-MIMO) systems inside a MD-82 aircraft. Channel capacity and spatial correlation are analyzed from the measured channel matrix. Capacity results of 7 different systems (six D-MIMO systems and a SISO system) are discussed. It is found that D-MIMO systems yield significant capacity gains as compared to SISO system. Spatial correlations among Transmitter (Tx) antennas distributed above the cabin aisle are statistically analyzed from the measured data. Result shows that, when Receiver (Rx) antenna array is placed in the front or back of the cabin, some Tx antenna pairs are highly correlative (correlation coefficients are higher than 0.8).

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