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Multi-User Detection for Spatial Modulation via Structured Approximate Message Passing
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DOI：10.1109/LCOMM.2016.2577627.png)
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摘要
En 中文
In this letter, we propose an efficient structured approximate message passing (Str-AMP) detector for multi-user spatial modulation systems. Str-AMP consists of two steps in each iteration. First, a decoupling operation is performed in the same way as AMP. Then, at the denoising step, to exploit the structured sparsity of SM signals, Str-AMP computes each element of SM signals using not only its own statistics but also those of its neighboring elements belonging to the same user. Since Str-AMP maintains scalar message passing, it is computationally efficient. Simulation results on various settings demonstrate the superiority of the proposed Str-AMP in terms of both uncoded and coded bit error rate performance.
Keyword:
Spatial modulation
approximate message passing
multi-user detection
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期刊
IF:
4.4
论文数:
1.3W
被引数:
2.2W
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Spatial Modulation for Generalized MIMO: Challenges, Opportunities, and Implementation.png)
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