Md. Enayet Khan. SENTINELS OF SIGNAL SECURITY: FORTIFYING VOICE FREQUENCY TRANSMISSION IN 5G-COMPATIBLE MULTIUSER DOWNLINK MIMO NOMA WIRELESS COMMUNICATION SYSTEM . ijns. 2024;4(01):06-08. Accessed April 1, 2026. https://www.academicpublishers.org/journals/index.php/ijns/article/view/342