Hiba K. Hussein and Saad M. Hardan 2026. 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. 18, 13s (Jul. 2026), 1012–1025. DOI:https://doi.org/10.70917/ijcisim-2026-4145.