Nassir Hussein, Sabah, and Raghad Saad Majeed. “DESIGN AND FPGA IMPLEMENTATION OF WIRELESS BASEBAND MODEM FOR WIMAX SYSTEM BASED ON SDR”. Journal of Engineering and Sustainable Development, vol. 19, no. 6, Nov. 2015, pp. 184-97, https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/789.