非相干调制MIMO FSO系统的空时方案对比

2012 International Workshop on Optical Wireless Communications (IWOW) Pub Date : 2012-10-01 DOI:10.1109/IWOW.2012.6349694

Guowei Yang, M. Khalighi, T. Virieux, S. Bourennane, Zabih Ghassemlooy

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引用次数: 28

摘要

对于多输入多输出(MIMO)自由空间光(FSO)通信系统，我们考虑了采用开关键控调制时空间复用方案的适用性。我们的研究表明，即使在接收端进行了最优的最大似然检测，在相同传输速率的情况下，与重复编码(RC)相比，性能仍然较差。这证实了RC方案在MIMO FSO系统中的准最优性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Contrasting space-time schemes for MIMO FSO systems with non-coherent modulation

For the case of multiple-input multiple-output (MIMO) free-space optical (FSO) communication systems, we consider the suitability of the spatial multiplexing scheme when on-off keying modulation is employed. We show that, even with the optimal maximum likelihood detection at the receiver, the performance is worse, compared to the case of repetition coding (RC) under the condition of equal transmission rate. This confirms the quasi-optimality of the RC scheme for MIMO FSO systems.

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2012 International Workshop on Optical Wireless Communications (IWOW)

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