Hiba K. Hussein, and Saad M. Hardan. “Low-PAPR Polarity-Split 4-LED MIMO-VLC Transmission With Direct-Channel 4D-ML Detection”. International Journal of Computer Information Systems and Industrial Management Applications, vol. 18, no. 13s, July 2026, pp. 1012-25, doi:10.70917/ijcisim-2026-4145.