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A Low-Complexity Power Allocation Algorithm for Multiple-Input-Multiple-Output Spatial Modulation Systems
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DOI：10.1109/TVT.2015.2410252.png)
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摘要
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In this paper, a low-complexity Euclidean distance-based power allocation (PA) algorithm is proposed for spatial modulation (SM)aided multiple-input-multiple-output (MIMO) systems. The proposed algorithm only exploits the Euclidean distances of a few dominant error vectors for optimizing the PA matrix; hence, its computational complexity is considerably reduced compared with the exhaustive-search-based algorithm. Our simulation results show that the proposed algorithm provides beneficial bit error ratio (BER) performance improvements compared with both the conventional SM- and PA-based spatial multiplexing arrangements.
Keyword:
Euclidean distance
link adaptation (LA)
power allocation (PA)
spatial modulation (SM)
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7.1
论文数:
1.8W
被引数:
6.6W
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