Kadhum Abboud, Izz. “Increasing Capacity of Users Through The Use of Smart Base Station Antenna As SDMA System”. Journal of Engineering and Sustainable Development 16, no. 1 (March 1, 2012): 200–211. Accessed May 10, 2025. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1171.