ADVANCED MIMO CHANNEL ESTIMATION TECHNIQUES: A COMPREHENSIVE REVIEW OF METHODS, ALGORITHMS, AND PERFORMANCE OPTIMIZATION. Nigerian Journal of Technology, [S. l.], v. 44, n. 1, p. 93 – 104, 2025. DOI: 10.4314/njt.v44i1.11. Disponível em: https://mail.nijotech.com/index.php/nijotech/article/view/4340. Acesso em: 19 apr. 2026.