Browsing by Author "Ullah, Mohammad Ahsan"

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    PARAMETER OPTIMIZATION OF FREE SPACE OPTICS IN THE PERSPECTIVE OF BANGLADESH
    (IEEE, 13-May-2016) Ayub, Al-Imran Bin; Sarker, Md. Faysal; Ullah, Mohammad Ahsan
    Free space optics (FSO) has brought a solution to the ever growing need of high speed data transfer. It is sensitive to local weather conditions which results in a considerable loss of signal power over the communication path. This paper reveals the factors which are affecting the quality of data transmission and also states derived optimum parameters to get the finest solution for Bangladesh. Different weather conditions are considered and the parameters for both clear and foul weather conditions have been optimized. Simulation shows that the FSO system in worst weather condition achieves 2.5 Gbps data rate with 1550 nm wave length at the bit error rate (BER) of around 10-9 for 3km link range without using any optical amplifier. By using optical amplifier the link rang can be extended.