In 2023, SES, in partnership with Arpsoft as a subcontractor, initiated the Entourage - Spectrum Simulator project, funded by European Space Agency. Historically, coordinating satellite frequencies in GEO belts was simple. Today's multi-orbit constellations and mobile users...

In recent years, there has been a renewed interest in non-geostationary (NGSO) satellite systems dedicated to communication service. Various NGSO Fixed Satellite Service (FSS) constellations, such as O3B, ONEWEB, SpaceX, LEOSAT, MEOSAT, NORSAT, 3ECOm, and OMNISPACE, have been proposed ...