NHK has been studying a multi-level coded modulation scheme for expanding satellite transmission capacity. It can bring out the transmission performance of multi ...

Internet from space via satellite has become a topic of interest. Commercial satellite networks, such as SpaceX Starlink and Telesat LightspeedTM, aim to provide high-speed Internet to remote and ...

BS digital broadcasting has a high channel capacity, 52 Mbps per carrier, for transmission of two HDTV and variety of data programs in one carrier. One satellite transponder, which is assigned to one ...