CFI-Avoiding Beam Hopping for LEO Satellites in Spectrum Sharing With GEO Systems: A Collaborative Dual-Agent SAC Framework
LEO satellites play a critical role in non-terrestrial networks (NTNs), where beam hopping (BH), enabled by phased-array antennas and flexible time-frequency division multiplexing (TFDM), enhances payload utilization. However, existing BH studies for spectrum-sharing LEO–GEO systems often neglect the co-frequency inter...