Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements
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United States of America Patent
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Mar 29, 2011
Grant Date -
Apr 30, 2009
app pub date -
Oct 7, 2008
filing date -
Aug 28, 2002
priority date (Note) -
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Abstract
A system and method for processing signals are disclosed. The method may include scrambling a first composite signal comprising N orthogonal sequences to generate a set of N channel signals. A second composite signal including M orthogonal sequences may be scrambled to generate a set of M channel signals. The M orthogonal sequences may be a subset of the N orthogonal sequences. The generated set of N channel signals and the generated set of M channel signals may be combined to generate K channel signals. K multiplexed channels may include the N channel signals and the M channel signals. The N channel signals may correspond to N antenna elements, and the M channel signals may correspond to M antenna elements. Each of the N channel signals may be spread utilizing a corresponding one of the N orthogonal sequences.
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