Muthanna Journal of Engineering and Technology
Volume (11), Issue (2), Year (30 December 2023), Pages (77-83)
DOI:10.52113/3/eng/mjet/2023-11-02/77-83
Research Article By:
Mustafa H. Ali
Corresponding author E-mail: mustafa.h@uomustansiriyah.edu.iq
ABSTRACT
In order to fulfill our modern world demand, Free Space Optics (FSO) is developed. And (multiple input multiple output) MIMO-FSO systems have been put in place to analysis and implement the exhaustive achievement for transfers the data in wider bandwidth and in the form of light waves to achieves higher data rate transmission using different encoding schemes executed with four various communication channels. The various meteorological turbulence such as wind, snow, fog, rain, etc significantly affected MIMO-FSO transmission medium performance as means of reception and transmission FSO system employ direct detection and intensity modulation. MIMO-FSO systems simulation has been analyzed as a function of link range, bit rate and transmitted power, however, FSO widespread growth has been restrain by reliability issues and availability. With consideration to the value of Q. Factor, Eye Diagram and BER. The Simulation results characterize that MIMO-FSO system play a good solution with meteorological turbulence. Compare to the low power and minimum distortion for long distance While maintaining reliability. The result displayed that RZ is the preferable type of modulation accommodate a large value of Q-factor. while NRZ allocate on top of Q-factor values in case in MIMO-FSO. It is precious noticing that improving the achievement of MIMO-FSO system is highly dependent on the Meteorological turbulence, specially by link range, bit rate and transmitted power. However, noting this performance increasing led to cost and complexity also increases.
Keywords: BER (Bit Error Rate), Q-Factor, Free Space Optics (FSO), Meteorological Turbulence, Eye Diagram, MIMO (Multiple Input Multiple Output).