M. S. . Gismalla, “Design and Analysis of Different Optical Attocells Deployment Models for Indoor Visible Light Communication System”, ijie, vol. 13, no. 6, pp. 253–264, Aug. 2021, Accessed: Jul. 18, 2024. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/7110