Low-Complexity Beamforming Design for a Cooperative Reconfigurable Intelligent Surface-Aided Cell-Free Network. - Muhammad Zain Siddiqi; Aisha Munir; Syed Agha Hassnain Mohsan; Shashi Shah; Sushank Chaudhary; Paramin Sangwongngam; Lunchakorn Wuttisittikulkij (Sensors, 2023)