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A Diagonal Lattice Reduction Algorithm for MIMO Detection
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DOI：10.1109/LSP.2012.2191614.png)
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Abstract
En 中文
Recently, an efficient lattice reduction method, called the effective LLL (ELLL) algorithm, was presented for the detection of multiinput multioutput (MIMO) systems. In this letter, a novel lattice reduction criterion, called diagonal reduction, is proposed. The diagonal reduction is weaker than the ELLL reduction, however, like the ELLL reduction, it has identical performance with the LLL reduction when applied for the sphere decoding and successive interference cancelation (SIC) decoding. It improves the efficiency of the ELLL algorithm by significantly reducing the size-reduction operations. Furthermore, we present a greedy column traverse strategy, which reduces the column swap operations in addition to the size-reduction operations.
Keywords:
Effective LLL algorithm
lattice reduction
LLL algorithm
MIMO systems
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9.6
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