Interference evaluations and simulations for multisatellite multibeam systems

摘要

Third generation communication systems will be characterized byfull integration between terrestrial and satellite components. Tothis aim, global coverage along with not severe requirements for userterminals are mandatory for the satellite segment and the use ofconstellations of satellites in low or medium Earth orbits (LEO orMEO) seems to be a viable solution. Those satellite systems willadopt multibeam antennas to achieve high spectral efficiency andlow-cost terminals. Thus, interference becomes one of the mostlimiting factors in terms of both link availability and capacity.