Threshold-Based User-Assisted Cooperative Relaying in Beamspace Massive MIMO NOMA Systems. - David Alimo; Masanori Hamamura; Saifur Rahman Sabuj (Sensors, 2022)

Low-complexity Beam Selection for Intelligent Reflecting Surface-aided Millimeter-wave Systems with Lens Antenna Array. - David Alimo; Masanori Hamamura (VTC Fall, 2023)

Coverage, Throughput, and Energy Efficiency Enhancement in Beamspace Massive MIMO System Using Rate-Splitting and Orthogonal Precoding. - David Alimo; Masanori Hamamura; Saifur Rahman Sabuj (IEEE Access, 2024)