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Simplified Quantisation in a Reduced-Lattice MIMO Decoder
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DOI：10.1109/LCOMM.2011.051011.110485.png)
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Abstract
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Symbol detection in a lattice-reduction aided MIMO receiver depends upon appropriate quantisation in the reduced lattice and this has previously been achieved using a shift-and-scale method. This paper describes a novel parity-based method that avoids the need to perform inversion of the reduction matrix and simplifies the computation involved in symbol estimation in MIMO receivers using QAM and PAM modulation schemes. The new algorithm is shown to be functionally identical to the shift-and-scale method.
Keywords:
MIMO
lattice reduction
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IF:
4.4
Papers:
1.3W
Citations:
2.2W
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