NLOS水下无线光通信链路的路径损耗研究

Shijian Tang, Yuhan Dong, Xuedan Zhang
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引用次数: 38

摘要

在实际的水下无线光通信(UWOC)中,利用海面反射波束的非视距链路(NLOS)最近才被提出,但尚未得到充分的研究。在本文中,我们研究了基于蒙特卡罗模拟的NLOS UWOC链路的路径损耗,同时考虑了随机海面坡度和海水散射特性的影响。数值计算结果表明,风引起的随机地表坡度会严重地破坏接收信号。随着衰减长度的增加,这种有害影响可以通过散射光消除,其中多重散射光在接收信号中占主导地位。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
On path loss of NLOS underwater wireless optical communication links
In practical underwater wireless optical communications (UWOC), the non-line-of-sight (NLOS) link which utilizes the sea surface to reflect the beam has been presented recently but not fully studied yet. In this paper, we investigate the path loss of NLOS UWOC links based on the Monte Carlo simulations taking the effects of both random sea surface slopes and scattering properties of seawater into account. Numerical results suggest that the random surface slopes induced by the wind may strongly corrupt the received signal. This detrimental effect can be dismissed by scattering light as the attenuation length increases where the multiple scattering light dominates in the received signal.
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