Elshennawy, Nada M. “Modified Proportional Fair Scheduling Algorithm for Heterogeneous LTE-A Networks”. International Journal of Interactive Mobile Technologies (iJIM) 14, no. 10 (June 30, 2020): pp. 22–34. Accessed April 28, 2024. https://online-journals.org/index.php/i-jim/article/view/14389.