Investigation of single beam near-infrared free space optical communication under different weather anomalies
The Free space optics (FSO) is a wireless optical communication system that connects directly to the atmosphere, where the connection is established between transmitter and receiver within in the line of sight. The FSO poses a high-speed broadband, which is the last mile wireless optical communicati...
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| 主要な著者: | , , , |
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| フォーマット: | 論文 |
| 言語: | English |
| 出版事項: |
Asian Research Publishing Network
2016
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| 主題: | |
| オンライン･アクセス: | http://eprints.utm.my/id/eprint/72542/1/SyedMohammadAliShah2016_InvestigationofSingleBeamNearInfrared.pdf http://eprints.utm.my/id/eprint/72542/ https://www.scopus.com/inward/record.uri?eid=2-s2.0-84968735439&partnerID=40&md5=b616231096adca7cd69e6372a5412c05 |
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| 要約: | The Free space optics (FSO) is a wireless optical communication system that connects directly to the atmosphere, where the connection is established between transmitter and receiver within in the line of sight. The FSO poses a high-speed broadband, which is the last mile wireless optical communication, deployed relatively fast. However, there are some weather factors may affect the performance of FSO transmission. In this paper, we analyzed the performance of Non-Return to Zero (NRZ) modulation schemes, which is used in FSO communication under extreme weather conditions over a range of 2Km. The performance has been analyzed under 980nm wavelength, Bit Error Rate (BER), and Q-factor using Opt system. The largest attenuation measured is 340dB/Km, correlate to the visibility of 50m. In addition the visibility exceeding about 50m, The Kruse formula provides a good measurement of optical attenuation over long distances under the clear weather and haze conditions respectively. |
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