Evaluation of FSO System Availability in Haze Condition

Malaysian Technical Universities Conference on Engineering and Technology 2017

Anis, A.A.^1 ; Rashidi, C.B.M.^1 ; Aljunid, S.A.^1 ; Rahman, A.K.^2

Advance Communication Engineering, Centre of Excellence, School of Computer and Communication Eng, Universiti Malaysia Perlis, (UniMAP), Kangar, Kangar Perlis

01000, Malaysia^1

Departments of Electrical and Electronic Eng, Universiti Malaysia Sarawak, (UNIMAS), Sarawak, Malaysia^2

关键词: Atmospheric attenuation;    Link performance;    Minimum BER;    Optical power;    Optical signals;    Q-factors;    Scattering co-efficient;    System availability;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/318/1/012077/pdf
DOI  :  10.1088/1757-899X/318/1/012077

来源: IOP

【 摘 要 】

In this paper, we proposed the evaluation of FSO system availability in haze condition. The atmospheric attenuation by weather conditions in the atmosphere as the most challenging problem of FSO system as the system performance is severely degraded and causing the signal optic to be transmitted poorly. The effects of haze condition on the performance of FSO system is stressed out and focused in this paper. From the evaluation of the analysis, designs of FSO system are proposed to obtain a system with improved link performance in haze conditions. The scattering coefficient and the atmospheric attenuation are determined using Beer's Lambert equation. From the research, the link performance of the system is greatly improved using Design 2 with minimum BER of 10-127127 and maximu m Q Factor of 23.98. The FSO system using Design 2 has better performance compared to Design 1 in haze condition as the optical signals could penetrate the dense haze better without losing much optical power during the transmission to the scattering.