R. Anil Kumar, Kodati Satya Prasad. “Comparative Analysis of OFDM, FBMC, UFMC & GFDM for 5G Wireless Communications”. International Journal of Advanced Science and Technology, Vol. 29, no. 05, Apr. 2020, pp. 2097 -08, http://sersc.org/journals/index.php/IJAST/article/view/10903.