Method of variable rate single user and multi user MIMO feedback for mobile communications system
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United States of America Patent
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Jan 10, 2017
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Jan 14, 2016
app pub date -
Mar 25, 2015
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Jan 12, 2010
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Abstract
A spatial channel state information (CSI) feedback technique is incorporated into multiple-input multiple-output mobile communications technologies. User equipment (UE) channel conditions are measured and, based on the measurements, codebook subsets are selected to which indices are assigned and fed back to a base station.
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