K. Sujatha and V.M. Venkateswara Rao, “AN ADAPTIVE APPROACH TO ESTIMATE CHANNEL OF MIMO-OFDM SYSTEMS IN MULTIPATH FADING CHANNELS”, IJARET, vol. 10, no. 2, pp. 933–941, Mar. 2019, Accessed: Jun. 18, 2025. [Online]. Available: https://lib-index.com/index.php/IJARET/article/view/IJARET_10_02_092