BARRETT, J. . Outlining the Roadmap to 5G. Journal of ICT Standardization, [S. l.], v. 6, n. 1-2, p. 1–14, 2018. DOI: 10.13052/jicts2245-800X.611. Disponível em: https://journals.riverpublishers.com/index.php/JICTS/article/view/6429. Acesso em: 18 jun. 2026.