Space-time transmit diversity
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United States of America Patent
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Nov 7, 2006
Grant Date -
Mar 13, 2003
app pub date -
Apr 30, 2002
filing date -
May 1, 2001
priority date (Note) -
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Abstract
A linear transformation of parallel space-time transmit diversity encoded streams; also, asymmetrical symbol mapping of parallel streams. Separately or together, these improve error rate performance as well as system throughput. Preferred embodiments include CDMA wireless systems with multiple antennas.
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