Shakir, Farouk, Mazin Ali A. Ali, and Firas Ameer. “Utilization of MIMO Concept for Optical Communication System under Fog Condition”. ECTI Transactions on Electrical Engineering, Electronics, and Communications 17, no. 2 (August 31, 2019): 130-135. Accessed April 8, 2020. https://ph02.tci-thaijo.org/index.php/ECTI-EEC/article/view/219183.