CQI and rank prediction for list sphere decoding and ML MIMO receivers
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United States of America Patent
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Sep 23, 2008
Grant Date -
Dec 7, 2006
app pub date -
May 31, 2006
filing date -
Jun 1, 2005
priority date (Note) -
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Abstract
Systems and methodologies are described that facilitate integrating a list-sphere decoding design in a multiple input-multiple output (MIMO) wireless communication environment. According to various aspects, optimal rank selection and CQI computation for an optimal rank can be performed in conjunction with a non-linear receiver, such as a maximum likelihood (ML) MMSE receiver, a non-linear receiver with a list-sphere decoder, and the like. Optimal rank selection can be performed using a maximum rank selection protocol, a channel capacity-based protocol, or any other suitable protocol that facilitates rank selection, and CQI information can be generated based in part on effective SNRs determined with regard to a selected optimal rank.
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