MIMO codebook generation
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United States of America Patent
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Nov 12, 2013
Grant Date -
May 23, 2013
app pub date -
Oct 24, 2012
filing date -
Apr 8, 2009
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Abstract
Particular codebook entries used for a MIMO system of a lower dimension (i.e., having a relatively low number of antennas) can be used to generate a codebook for a MIMO system of a higher dimension (i.e., having a relatively high number of antennas). The entries in rank 1 of the codebook related to the MIMO system having four transmit antennas are used to newly construct entries for rank 1 through rank 8 of two base matrices for a MIMO base codebook related to eight transmit antennas.
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