Abstract
Free Space Optics (FSO) Technology is the advanced wireless communication system that provides higher bandwidth with a higher data rate transmission over higher link range. The major challenge on free space optics technology is atmospheric attenuation that hampers data transmission of the system by increasing bit error rate. Fog is the atmospheric condition which causes highest amount of signal attenuation. Travelling wave semiconductor optical amplifier is a functional device that can eliminate the effect of fog on free space optical communication link. Multiple TX/RX system architecture with the existence of this efficient device is capable of improving the performance under fog atmospheric effect by ensuring higher received power and lower bit error rate. Our paper implements the architecture of multiple TX/RX system with travelling wave semiconductor optical amplifier under fog atmospheric condition using simulation tool Optisystem 7. The effort in this paper is to overcome the effect of fog attenuation on free space optics link by the evaluation of performance through simulated results of the implemented model in terms of Q factor, bit error rate, received power and eye height.
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