Noori Al-Nuaimy, Fadia, and Maha George Zia. “Performance of Channel Estimation for (OFDM) System Based on Block-Type Pilot Arrangement in Rayleigh Fading Channel”. Journal of Engineering and Sustainable Development 15, no. 1 (March 1, 2011): 18–37. Accessed June 3, 2026. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1342.