“…Internet services explosion has demonstrated how interactivity is today a real powerful instrument: users located in all over the world need to access to information in all its forms and communication networks are evolving to meet increasing demands for higher speed and wider bandwidth. A satellite based solution has already demonstrated its appeal to create new service opportunities: using Ka band opens the door to multigigabit systems, providing point to multi-point and point to point communications among fixed terminals for business application as intranet and videoconferencing, fast internet access for both business and residential users, and mobile or transportable terminals for private user applications, such as the Internet, file transfer, tele-education and tele-working (1). The key feature is the use of on-board regeneration and base band switching.…”