Puntsri, Kidsanapong, and Puripong Suttisopapan. “High Spectrum Efficiency of MIMO-SC-FDMA for Optical Wireless Communication Systems”. Research on Modern science and Utilizing Technological Innovation Journal (RMUTI Journal) 12, no. 3 (July 13, 2019): 1–12. accessed August 28, 2026. https://ph01.tci-thaijo.org/index.php/rmutijo/article/view/185240.