Compressing Turbulence Effect in FSO using New Modulation Technique

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Diffusers transmitter modulation to reduce the effect of atmospheric turbulence in free space optical communication system is described in this paper. This technique uses dual transmitters and dual receivers which are using differential mode for detection. The combination of these components produce superior modulation method especially to reduce scintillation index, to overcome signal detection with fix zero threshold and improve power received. In order to improve the performance of free space optical system, these three elements play an important role. The analysis result show that for receiving power dual diffuser modulation at 3 km distance propagation is 4.59dBm compared to conventional OOK using diffuser which only-7.6dBm and equivalent to 3dBm improvement or up to 40 percent better.




Nawawi, N. M., Mat Safar, A., Safar, A. M., Kram, A. R., Rashidi, C. B. M., & Nordin, J. M. (2017). Compressing Turbulence Effect in FSO using New Modulation Technique. In MATEC Web of Conferences (Vol. 97). EDP Sciences.

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