Shakir, F., M. A. A. Ali, and F. Ameer. “Utilization of MIMO Concept for Optical Communication System under Fog Condition”. ECTI Transactions on Electrical Engineering, Electronics, and Communications, vol. 17, no. 2, Aug. 2019, pp. 130-5, doi:10.37936/ecti-eec.2019172.219183.