Using spatial properties of MIMO channels for enhanced channel estimation in MIMO systems
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United States of America Patent
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Apr 30, 2013
Grant Date -
Oct 28, 2010
app pub date -
Dec 27, 2007
filing date -
Dec 27, 2007
priority date (Note) -
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Abstract
An apparatus for estimating a channel response associated with a multiple input/multiple output (MIMO) system includes an antenna that receives multiple pilot symbols, each of the multiple pilot symbols transmitted from a different one of multiple transmit antennas of a transmitter in the MIMO system. The apparatus further includes a channel estimator that determines spatial, time and frequency correlations of channels of the MIMO system among the multiple transmit antennas when estimating a channel response associated with the MIMO system based on multiple ones of the received plurality of pilot symbols.
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