Utilizing Precoding, NOMA, and Optimized Channel Estimate Techniques Enables Advancements in 5G Mm-Wave Transmission. . Hong Kong International Journal of Research Studies, ISSN: 3078-4018, [S. l.], v. 3, n. 2, p. 287–293, 2025. DOI: 10.64180/. Disponível em: https://octopuspublication.com/index.php/hkijrs/article/view/139. Acesso em: 8 jun. 2026.