Emission for CDMA communications systems on the MIMO channel
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United States of America Patent
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Feb 8, 2011
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app pub date -
Apr 21, 2005
filing date -
Apr 22, 2004
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Abstract
The invention relates to a sending method for multiple users requiring to transmit digital data over a frequency-selective channel with a plurality of send antennas and a plurality of receive antennas, characterized in that it applies to coded and interleaved data (d[n]): demultiplexing (105) into K channels, where K is strictly greater than the number T of send antennas, and modulation (107) of the demultiplexed data; internal linear coding (108) defined by an N.times.K generator matrix (W,W.sub.n) where N is strictly greater than T, this internal coding being applied to the K-dimensional vectors of the modulated data. The invention also relates to a sending system for implementing said method.
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