In the forward-link of broadband satellite systems with multiple beams, Co-Channel Interference (CCI) can severely affect simultaneous transmissions at equal frequency to users located in different beams. Eliminating the CCI at the receiver, e.g., by an iterative cancellation approach, strongly increases the receiver complexity and cost. Therefore, much effort has been made to cancel the CCI at the cost-insensitive transmitter side (at the gateway), e.g. by Dirty Paper Coding or Tomlinson-Harashima Precoding.
For the return-link, Successive Interference Cancellation (SIC) could be used at the gateway. In this respect novel resource management algorithms have to be designed to better exploit the new characteristics and the improved performance of the physical layer.
In the project, two directions are considered: