Salim, Khalifa, and Mohammed Abdalla. “Channel Estimation and Prediction Based Adaptive Wireless Communication Systems”. Al-Khwarizmi Engineering Journal 8, no. 2 (May 31, 2012): 84 - 96. Accessed April 11, 2021. https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/132.