Integrated WHT- and DFT-Based Multiuser Massive MIMO System for Secure RIS-Enabled mmWave Communications. - Md. Najmul Hossain; Md. Rakibul Islam; Sk. Tamanna Kamal; Atia Kaniz; Shaikh Enayet Ullah; Tetsuya Shimamura (IEEE Access, 2025)

Multiuser FDSS-Based DCT-Spread Massive MIMO OFDM System for Secure RIS-Assisted UAV-Enabled Networks. - Md. Najmul Hossain; Atia Kaniz; Sk. Tamanna Kamal; Shaikh Enayet Ullah; Tetsuya Shimamura (IEEE Access, 2025)