T. Li Zhi, H. King Ung, C. Kon, and K. J. . Chuan, “Investigation of Multiple Transceiver System for Free Space Optical Communication”, IJIE, vol. 13, no. 2, pp. 159–167, Dec. 2020, Accessed: Apr. 15, 2026. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/6762