A CNN-LSTM-Based Fusion Separation Deep Neural Network for 6G Ultra-Massive MIMO Hybrid Beamforming. - Rafid Umayer Murshed; Zulqarnain Bin Ashraf; Abu Horaira Hridhon; Kumudu S. Munasinghe; Abbas Jamalipour; Md. Farhad Hossain (IEEE Access, 2023)