Gamma-Gamma衰落信道中AF中继辅助MIMO/FSO/QAM系统

2016 3rd National Foundation for Science and Technology Development Conference on Information and Computer Science (NICS) Pub Date : 2016-09-01 DOI:10.1109/NICS.2016.7725640

Duong Huu Ai, Ha Duyen Trung, D. T. Tuan

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引用次数: 8

摘要

本文研究了基于子载波强度正交调幅(QAM)的放大前向(AF)中继辅助多输入多输出自由空间光通信(MIMO/FSO)系统在γ - γ衰落信道上的性能，该信道适用于强大气湍流区域。具体地说，考虑强大气湍流信道和固定增益的AF中继站数量，推导了AF中继辅助MIMO/FSO/QAM系统的平均符号误码率(ASER)解析表达式。数值结果定性地分析了中继站数量、链路距离、固定增益和MIMO配置对系统性能的影响。

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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AF relay-assisted MIMO/FSO/QAM systems in Gamma-Gamma fading channels

In this paper, the performance of amplify-and-forward (AF) relay-assisted multiple-input multiple-output free-space optical communication (MIMO/FSO) systems using sub-carrier intensity quadrature amplitude modulation (QAM) over Gamma-Gamma fading channels, which is represented for the case of strong atmospheric turbulence region, is studied. More specifically, an average symbol error rate (ASER) analytical expression for the AF relay-assisted MIMO/FSO/QAM systems is derived taking into account the strong atmospheric turbulence channel and the number of AF relaying stations with fixed gains. Numerical results qualitatively analyze the influence of the number of relaying stations, link distances, fixed gains and MIMO configurations on the performance of such systems.

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来源期刊

2016 3rd National Foundation for Science and Technology Development Conference on Information and Computer Science (NICS)

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