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首页> 外文期刊>Optik: Zeitschrift fur Licht- und Elektronenoptik: = Journal for Light-and Electronoptic >Performance estimation of free space optical links over negative exponential atmospheric turbulence channels
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Performance estimation of free space optical links over negative exponential atmospheric turbulence channels

机译:负指数大气湍流信道上自由空间光链路的性能估计

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摘要

In this work, we study the performance of free space optical links with fading statistics modelled by the negative exponential distribution which describes channels under strong atmospheric turbulence conditions. We investigate the availability and the practical channel capacity's bounds, for links with fast and slow fading statistics, with line of sight architecture and intensity modulation with direct detection, through the evaluation of the outage probability and the outage and average capacity. Moreover, the average error probability, for on-off keying cases, is estimated. For these, very significant, magnitudes we extract closed form mathematical expressions for, practically valuation of link's performance.
机译:在这项工作中,我们用负指数分布建模的衰落统计数据研究了自由空间光链路的性能,该指数统计描述了强大气湍流条件下的信道。我们通过评估中断概率以及中断和平均容量,来研究具有快速和慢速衰落统计,具有视线架构和直接检测的强度调制的链路的可用性和实际信道容量的界限。此外,估计了开关键控情况下的平均错误概率。对于这些非常重要的幅度,我们提取了封闭形式的数学表达式,以实际评估链接的性能。

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