Multiple-input multiple-output signal detectors based on relaxed lattice reduction
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United States of America Patent
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Dec 17, 2013
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May 10, 2012
app pub date -
Jan 11, 2012
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Jan 31, 2008
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Abstract
System and methodologies for reduced-complexity signal detection and decoding in a wireless communication system are provided herein. Systems and methodologies presented herein can utilize a relaxed form of the Lenstra-Lenstra-Lovasz (LLL) lattice reduction algorithm to reduce the complexity of lattice reduction operations in the context of MIMO detection. Additional systems and methodologies presented herein can apply lattice reduction in the context of a maximum likelihood (ML) detector for spherical or elliptical lattice space-time (LAST) codes.
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