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Parameter optimization of free space optics in the perspective of Bangladesh

机译:孟加拉国视角下自由空间光学系统的参数优化

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Free space optics (FSO) has brought a solution to the ever growing need of high speed data transfer. It is sensitive to local weather conditions which results in a considerable loss of signal power over the communication path. This paper reveals the factors which are affecting the quality of data transmission and also states derived optimum parameters to get the finest solution for Bangladesh. Different weather conditions are considered and the parameters for both clear and foul weather conditions have been optimized. Simulation shows that the FSO system in worst weather condition achieves 2.5 Gbps data rate with 1550 nm wave length at the bit error rate (BER) of around 10-9 for 3km link range without using any optical amplifier. By using optical amplifier the link rang can be extended.
机译:自由空间光学(FSO)为不断增长的高速数据传输需求提供了解决方案。它对本地天气条件敏感,这会导致通信路径上的信号功率大量损失。本文揭示了影响数据传输质量的因素,并指出导出的最佳参数以获得孟加拉国的最佳解决方案。考虑了不同的天气条件,并且晴朗和恶劣天气条件的参数均已优化。仿真表明,在3km的链路范围内,FSO系统在最恶劣天气条件下的1550 nm波长下的误码率(BER)为10-9时,可以达到2.5 Gbps的数据速率,而无需使用任何光放大器。通过使用光放大器,可以扩展链接范围。

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