Kondapalli , Pradeep, and A. Kamala Kumari. “Massive MIMO System With Sparse Channel Estimation and Pilot Optimization”. International Journal of Intelligent Systems and Applications in Engineering 12, no. 18s (March 24, 2024): 662–669. Accessed July 22, 2024. https://ijisae.org/index.php/IJISAE/article/view/5021.