Osama, Islam, Mohamed Rihan, Mohamed Elhefnawy, Sami Eldolil, and Hend Abd El-Azem Malhat. “A Review on Precoding Techniques For Mm-Wave Massive MIMO Wireless Systems”. International Journal of Communication Networks and Information Security (IJCNIS) 14, no. 1 (April 15, 2022). Accessed August 16, 2022. https://ijcnis.org/index.php/ijcnis/article/view/5206.