T.  Ramírez, Mosquera, C., Noels, N., Caus, M., Bas, J., Blanco, L., and Alagha, N., ?Study on the Application of NOMA Techniques for Heterogeneous Satellite Terminals?, in 10th Advanced Satellite Multimedia Systems Conference (ASMS) and 16th Signal Processing for Space Communications Workshop (SPSC), 2020.