指向误差对湍流信道上FSO链路平均容量的影响

2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI:10.1109/TELSKS.2013.6704423

Milica I. Petkovic, G. Dordevic

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引用次数: 6

摘要

本文导出了具有强度调制/直接检测(IM/DD)的自由空间光学(FSO)系统的平均信道容量的新封闭表达式。采用考虑湍流效应、指向误差和路径损耗的组合模型描述了接收机处的强度波动。给出了数值计算结果。讨论了归一化抖动方差、传播距离和湍流强度的影响。

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Effects of pointing errors on average capacity of FSO links over gamma-gamma turbulence channel

In this paper, we derive new closed-form expression for the average channel capacity of the free space optical (FSO) system with intensity-modulation/direct detection (IM/DD). The intensity fluctuations at receiver are described by combined model which assumes turbulence effects, pointing errors and path loss. The numerical results are presented. The effects of normalized jitter variance, propagation distance and turbulence strength are discussed.

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来源期刊

2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)

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