The Project kicked off on November 15, 2006.
Phase 1 activities, envisaging the definition of the preliminary system architecture and considering market/business issues, were successfully completed after the CDR meeting held on October 24, 2007 at ESA/ESTEC premises in Noordwijk.
Phase 2 activities, devoted to the detailed analysis of the most critical technical issues identified in Phase 1, were kicked off right away. In particular, PM4 was held on July 15-16, 2008, where the performance results of advanced physical and access layer techniques were presented.
The project was successfully completed at the end of 2008. All the deliverables have been finalized, including the overall system performance, the future roadmap and the updated business analysis. The system architecture was defined based on a detailed market analysis. An extensive simulation campaign has been performed to analyse the physical layer performance of 3GPP LTE and WiMAX air interfaces through a satellite channel.
The space segment has been defined, with several options for S-band, C-band single and multiple missions. A system level performance assessment methodology has been determined to evaluate the overall performance figures. The terminal architecture has been taken into consideration, aiming at introducing marginal cost increments with respect to standard 4G mobile terminals. Optimized scheduling algorithms have been considered in several scenarios.