A low-complexity rate-one MIMO scheme with four transmit antennas and phase feedback. - Samuel T. Valduga; Dimas Irion Alves; Renato B. Machado; Andrei P. Legg; Murilo Bellezoni Loiola (CITS, 2013)

Low-complexity codebook-based beamforming with four transmit antennas and quantized feedback channel. - Samuel T. Valduga; Dimas Irion Alves; Renato B. Machado; Andrei P. Legg; Murilo Bellezoni Loiola (WCNC, 2014)

Low complexity beam selection for sparse massive MIMO systems. - Samuel T. Valduga; Luc Deneire; André Lima Férrer de Almeida; Tarcisio F. Maciel; Ramon Aparicio-Pardo (ISWCS, 2017)

Low-complexity heuristics to beam selection and rate adaptation in sparse massive MIMO systems. - Samuel T. Valduga; Luc Deneire; Ramon Aparicio-Pardo; André L. F. de Almeida; Tarcisio F. Maciel; João Cesar M. Mota (Trans. Emerg. Telecommun. Technol., 2018)