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首页> 外文期刊>Wireless personal communications: An Internaional Journal >Transmission Characteristics Evaluation Under Bad Weather Conditions in Optical Wireless Links with Different Optical Transmission Windows
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Transmission Characteristics Evaluation Under Bad Weather Conditions in Optical Wireless Links with Different Optical Transmission Windows

机译：不同光传输窗口的光无线链路中恶劣天气条件下的传输特性评估

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摘要

Optical wireless links offer gigabit per second data rates and low system complexity. For ground space and or terrestrial communication systems, these links suffer from atmospheric loss mainly due to fog, scintillation and precipitation. Optical Wireless link provides high bandwidth solution to the last mile access bottleneck. However, an appreciable availability of the link is always a concern. Wireless Optics links are highly weather dependent and fog is the major attenuating factor reducing the link availability. Optical wireless links offer gigabit per second data rates and low system complexity. For ground space and or terrestrial communication scenarios, these links suffer from atmospheric loss mainly due to fog, scintillation and precipitation signals and then to upgrade the transmission bit rate distance product for ultra long transmission links. This paper has presented the bad weather effects such as rain, fog, snow, and scattering losses on the transmission performance of wireless optical communication systems. It is taken into account the study of bit error rate, maximum signal to noise ratio, maximum transmission optical path lengths and maximum transmission bit rates under these bad operating conditions.
机译：光学无线链路提供每秒千兆比特的数据速率和低系统复杂性。对于地面空间和/或地面通信系统，这些链路主要由于雾，闪烁和降水而遭受大气损失。光学无线链路为最后一英里的访问瓶颈提供了高带宽解决方案。但是，链接的可观可用性始终是一个问题。无线光学链路高度依赖天气，雾是降低链路可用性的主要衰减因素。光学无线链路提供每秒千兆比特的数据速率和低系统复杂性。对于地面空间和/或地面通信情形，这些链路主要由于雾气，闪烁和降水信号而遭受大气损耗，然后要升级超长传输链路的传输比特率距离乘积。本文介绍了恶劣的天气影响，例如雨，雾，雪和散射损耗对无线光通信系统的传输性能的影响。在这些恶劣的工作条件下，需要考虑误码率，最大信噪比，最大传输光路长度和最大传输比特率的研究。

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