Analysis of FSO System and its Challenges - A Review

Free Space optics has been emerged as leading communication technology in recent years.. It is an optical communication technology which uses light to propagate the data wirelessly in Free Space. The word „Free Space‟ exactly means environment, outer space or vacuum. This technology provides high data rate and can handle large amount of information. It uses the Line Of Sight (LOS) path for transmission. In this paper, discussion about various technologies, different gain and loss occurred during the transmission path. Moreover challenges based on modern and real life applications are then described and also some alternatives have been suggested in order to improve them in future.

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