HU, Donglin; MAO, Shiwen. On Cooperative Relay in Cognitive Radio Networks. EAI Endorsed Transactions on Mobile Communications and Applications, [S. l.], v. 1, n. 3, p. e3, 2013. DOI: 10.4108/mca.1.3.e3. Disponível em: https://publications.eai.eu/index.php/mca/article/view/1701. Acesso em: 2 jan. 2026.