大气湍流下不同调制技术下的FSO链路性能分析

2018 Second International Conference on Electronics, Communication and Aerospace Technology (ICECA) Pub Date : 2018-03-29 DOI:10.1109/ICECA.2018.8474849

Manish Sahu, K. Kiran, S. Das

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引用次数: 9

摘要

自由空间光学(FSO)在超大带宽、免许可频谱和低功耗安全传输方面取得了突出的成就。尽管有这些优势，但由于大气湍流和大雾天气条件，它受到了深刻的影响。本文考虑了大气湍流和雾条件下的不同调制方案。通过将湍流建模为γ - γ分布信道，得到了期望的误码率表达式，在这种信道条件下，16-PPM方案比其他方案具有更好的性能。在信道性能评估中考虑误码率。这种分析有助于根据信道条件采取调制技术。

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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FSO Link Performance Analysis with Different Modulation Techniques under Atmospheric Turbulence

Free space optics (FSO) has achieved prominence in extremely large bandwidth, unlicensed spectrum and low power secure transmission in the field of wireless communication. Despite the advantages, it is deeply impacted due to atmospheric turbulence and fog weather conditions. This paper considers different modulation schemes under the presence of atmospheric turbulence and fog conditions. The desired expression of bit error rate (BER) is obtained by modeling the turbulence as gamma-gamma distributed channel and under this channel condition, 16-PPM has provided better performance than other schemes. BER is considered for the channel performance evaluation. This analysis can help to adopt a modulation technique according to the channel condition.

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来源期刊

2018 Second International Conference on Electronics, Communication and Aerospace Technology (ICECA)

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