相关FSO信道仿真模型

Z. Kolka, V. Biolková, O. Wilfert, D. Biolek
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引用次数: 7

摘要

本文研究了一种用于模拟双工大气自由空间光链路分组传输的参数化模型。在一定条件下,光通过大气湍流的传播是互反的,即正反向信道的功率波动是高度相关的。本文研究了一种用于分组传输时域仿真的相关和彩色对数正态时间序列的生成模型。根据接收机的噪声性能和随机产生的接收功率的一个样本,可以解析地计算出每个包中出现错误的概率。该模型在链路层包含发射机在深度衰落时阻塞的FSO终端性能的参数化研究中得到了验证。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Simulation model of correlated FSO channels
The paper deals with a parameterized model for simulation of packet transmission on duplex atmospheric Free-Space Optical (FSO) links. Under certain conditions the optical propagation through atmospheric turbulence is reciprocal, i.e. the power fluctuation in forward and backward channels is highly correlated. The paper deals with a model for generating correlated and colored lognormal time series for time-domain simulation of packet transmission. The probability of occurrence of errors in each packet can be computed analytically based on noise performance of the receiver and one sample of randomly generated received power. The model is demonstrated in a parametric study of performance of FSO terminals whose link layer includes transmitter blocking during deep fades.
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