Abstract
AbstractFree space optical communication is a well-known line of sight technology with the use of lasers for optical bandwidth connections. Bad weather conditions like dust storms in the Middle-East affect the performance in free space. These weather conditions lead to an increase in the bit error rate (BER) and decrease the Q-factor to low levels in FSO channel. To improve the performance of the system in such conditions a dual FSO channel has been proposed in which each channel includes optical amplifiers (specifically, an Erbium-doped fiber amplifier (EDFA)). This system shows performance improvement in terms of both BER and Q-factor. Additional communicating distance can be realized by exploiting 1550 nm by multiple channels and EDFA.KeywordsFree space optical communication (FSO)Q-factorBit error rate (BER)Atmospheric attenuationLaserDust attenuationErbium-doped fiber enhancer (EDFA)Optisystem
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