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Sponsored Artificial Intelligence: A Modern Approach, Global Edition Artificial Intelligence: A Modern Approach, Global Edition

Author

Zhe Ji

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2 papers indexed here

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Conference Aug 2026

Transformer-Enabled Constrained Deep Reinforcement Learning for Joint Satellite Selection and Power Control in LEO-GEO Coexistence Networks

In recent years, with the large-scale deployment of low Earth orbit (LEO) satellites, the scale of multi-user uplink transmission in satellite networks has been continuously expanding. During the process of user-satellite association and cochannel spectrum reuse, it not only triggers significant cross-user interference...

Ning Xu, Fan Zhou, Hao-Ge Jia et al. · 0 citations
2026

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...

Ning Chen, Ai-Ling Xiao, Sheng Wu et al. · 0 citations

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