Characterization of digital modulations using the phase diagram analysis Denis Stanescu, Dragos Nastasiu, Cornel Ioana and Angela Digulescu Eur. Phys. J. Spec. Top., 232 1 (2023) 187-199 Published online: 18 January 2023 DOI: 10.1140/epjs/s11734-022-00744-x