DWT Based Energy Detection Spectrum Sensing Method for Cognitive Radio System. Iraqi Journal of Information and Communication Technology, [S. l.], v. 3, n. 3, p. 1–11, 2020. DOI: 10.31987/ijict.3.3.99. Disponível em: https://ijict.edu.iq/index.php/ijict/article/view/99. Acesso em: 18 apr. 2026.