Haze Impact on Availability of Terrestrial Free Space Optical Link

2016 International Conference on Computer and Communication Engineering (ICCCE) Pub Date : 2016-07-01 DOI:10.1109/ICCCE.2016.83

A. Basahel, M. R. Islam, A. Z. Suriza, M. H. Habaebi

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引用次数: 2

Abstract

Free Space Optics is a promising optical wireless technology in broadband networks. It uses laser as a medium of transmission between two transceivers. In tropical climate, haze is one of the weather phenomenons which reduce the visibility. Low visibility increases atmospheric attenuation and reduce the availability of optical signals for free space optics (FSO) links. In this paper, the effect of atmospheric attenuation due to haze on free space optical link in tropical climate has been demonstrated. The analysis based on one year measured visibility data in Malaysia. Predicted attenuation varies with different wavelengths. Thus, two wavelengths were considered. The predicted atmospheric attenuation was compared across the two wavelengths. Measured visibility data and predicted attenuation were used to estimate the link availability of free space optical links. From the results higher wavelength has lower attenuation compare with lower wavelength. This paper indicates useful information for the deployment of FSO link in tropical climate.

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雾霾对地面自由空间光链路可用性的影响

自由空间光学是宽带网络中一种很有前途的无线光通信技术。它使用激光作为两个收发器之间的传输介质。在热带气候中，雾霾是降低能见度的天气现象之一。低能见度增加了大气衰减，降低了自由空间光学(FSO)链路的光信号的可用性。本文论证了热带气候下雾霾引起的大气衰减对自由空间光链路的影响。该分析基于马来西亚一年的能见度测量数据。预测的衰减随波长的不同而不同。因此，考虑了两个波长。在两个波长上比较了预测的大气衰减。利用实测可见性数据和预测衰减来估计自由空间光链路的链路可用性。结果表明，波长越高，衰减越小。本文提供了在热带气候中部署无线光通信链路的有用信息。

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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2016 International Conference on Computer and Communication Engineering (ICCCE)

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