Abstract
Almost all broadcasting systems and their equipment would be digitalized in the near future. Investigation of digital broadcasting has been going on for a long time, aiming at a realization of improvement of picture quality, new services, system flexibility, etc. Japanese digital broadcasting systems under development have a lot of technical merits, for example, a high transmission capacity and a hierarchical transmission scheme, compared to American and European systems. This paper discusses about the systems towards the realization of digital satellite broadcasting.
