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PERFORMANCE INVEST IGATION OF A FREE SPACE OPTICAL COMMUNICATION LINK OPERATING AT 1550 NM UNDER DIVERSE WEATHER CONDITIONS BY EMPLOYING DIFFERENT MODULATION FORMATS

Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.5, No. 5)

Publication Date:

Authors : ; ; ;

Page : 466-478

Keywords : Attenuation; Free Space Optics (FSO); Bit Error Rate (BER); Power; Length;

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Abstract

Over the last two and half decades free space optical communication is preferred over microwav e and radio frequency communication systems because of its license free long range operations. Also it ha s many advantages such as low cost, high bandwidth and small size and it has few limitations also like beam dispersion, scintillation. A well - known lim itation of FSO is the effect of weather condition on it. In this paper we ha ve designed 10gbps FSO system and analyzed of 10gbps FSO system with different weather condition by power and length var ying . From the result it is clear, the transmission distance go on decreasing as the weather condition changes from clear to haze, rain and fog and t he BER performance of all received signals is also discussed.

Last modified: 2016-05-17 20:28:29