S. AL-SHARBATY, F.; A. I. A. JABBAR, D. Improving WiMAX Capacity Of A Cell By Applying Relay Stations And Adaptive Antenna Systems. Al-Rafidain Engineering Journal (AREJ), [S. l.], v. 19, n. 1, p. 8–21, 2011. DOI: 10.33899/rengj.2011.27866. Disponível em: https://ojs.uomosul.edu.iq/index.php/arej/article/view/27165. Acesso em: 7 aug. 2025.