T.Sushma, G.KundanaPriya Reddy. “Performance Enhancement Of Cell Edge User Ber With Noma-Igssk In Wireless 5g”. International Journal of Advanced Science and Technology, Vol. 29, no. 7, Sept. 2020, pp. 14588 -96, http://sersc.org/journals/index.php/IJAST/article/view/31589.