A hybrid holographic and digital beamforming scheme for multi-altitude LEO downlinks is proposed, with a statistical-CSI MMSE combiner that the authors claim matches full-CSI throughput in dense deployments.
Reinforcement learning based capacity manage- ment in multi-layer satellite networks,
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Holographic Metasurface-Based Beamforming for Multi-Altitude LEO Satellite Networks
A hybrid holographic and digital beamforming scheme for multi-altitude LEO downlinks is proposed, with a statistical-CSI MMSE combiner that the authors claim matches full-CSI throughput in dense deployments.