Divneet Singh Kapoor, Amit Kumar Kohli. “Spatially-Coded OFDM Wireless Systems Employable in 5G Communication Networks – A Review”. International Journal of Advanced Science and Technology, Vol. 29, no. 04, Nov. 2020, pp. 10965–11003, http://sersc.org/journals/index.php/IJAST/article/view/33605.