Nguyen Van Vinh, Dao Van Da, Hoang Hai Hung, Nguyen Thi Phuong Hoa, Nguyen Thi Tham, and Nguyen Thi Nhung. “OPTIMAL IPW ALGORITHM IN OFDM-BASED COGNITIVE RADIO SYSTEMS”. UTEHY Journal of Applied Science and Technology 10 (April 19, 2020): 45-49. Accessed December 22, 2024. http://tapchi.utehy.edu.vn/index.php/jst/article/view/280.