HẰNG. IMPROVING THE ACCURACY OF INDOOR LOCALIZATION USING APPROACH AOA COMBINED THE KALMAN FILTER FOR MASSIVE MIMO SYSTEM. Journal of Military Science and Technology, [S. l.], n. 71, p. 57–62, 2021. Disponível em: https://jmst.mod.gov.vn/index.php/jmst/article/view/101. Acesso em: 26 jan. 2026.