Rajpreet Singh, Paras Chawla. “Capacity and Performance Enhancement Using Massive MIMO Systems for Future Wireless Applications: A Review, Challenges and Research Opportunities”. International Journal of Advanced Science and Technology 29, no. 10s (May 20, 2020): 1898-1905. Accessed September 5, 2026. http://sersc.org/journals/index.php/IJAST/article/view/16700.