JISMI BABU, A. A. R. G. N. Spectrum Monitoring In OFDM-Based Cr Networks By Window Based Energy Ratio Algorithm. International Journal of Engineering and Computer Science, india, v. 6, n. 4, 2017. Disponível em: http://ijecs.in/index.php/ijecs/article/view/3766. Acesso em: 29 mar. 2024.