Towards a Low-SWaP 1024-beam Digital Array: A 32-beam Sub-system at 5.8 GHz. - Arjuna Madanayake; Viduneth Ariyarathna; Suresh Madishetty; Sravan Kumar Pulipati; Renato J. Cintra; Diego F. G. Coelho; Raíza Oliveira; Fábio M. Bayer; Leonid Belostotski; Soumyajit Mandal; Theodore S. Rappaport (CoRR, 2022)