Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems
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United States of America Patent
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Jun 20, 2017
Grant Date -
Dec 13, 2012
app pub date -
May 18, 2012
filing date -
Aug 20, 2007
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Abstract
Systems and methods are described for enhancing the channel spatial diversity in a multiple antenna system (MAS) with multi-user (MU) transmissions (“MU-MAS”), by exploiting channel selectivity indicators. The proposed methods are: i) antenna selection; ii) user selection; iii) transmit power balancing. All three methods, or any combination of those, are shown to provide significant performance gains in DIDO systems in practical propagation scenarios.
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