Efficient Digital Beamforming for Satellite Payloads Using a 2D FFT-Based Parallel Architecture. - Luis Manuel Garcés Socarrás; Jorge Luis González Rios; Rakesh Palisetty; Raudel Cuiman; Vu Nguyen Ha; Juan Andrés Vásquez-Peralvo; Geoffrey Eappen; Ti Ti Nguyen; Juan Carlos Merlano Duncan; Symeon Chatzinotas; Björn E. Ottersten; Calos L. Marcos; et al. (ISCAS, 2025)