OPTIMAL MIMO ISI CHANNEL ESTIMATION USING LOOSELY SYNCHRONIZED CODES AND THEIR VARIATIONS
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United States of America Patent
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Issued Date -
Aug 20, 2009
app pub date -
Feb 15, 2008
filing date -
Feb 15, 2008
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Abandoned
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Abstract
A training-based channel estimation technique is provided to estimate channel state information for MIMO systems that is highly energy efficient and optimal in terms of Cramér-Rao lower bound (CRLB). The technique employs loosely synchronized (LS) codes or shifted LS codes. The codes can be generated using a fast Golay correlator and an efficient Golay correlator. A low-complexity implementation is also provided.
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