A two-phase GNN with a penalty-based loss jointly optimizes BS beamforming, RIS phases, and DF relay beamforming under fine-grained user rate constraints in simulated MISO systems.
Hybrid active/passive wireless network aided by intelligent reflecting surface: System modeling and performance analysis,
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Joint Optimization based on Two-phase GNN in RIS- and DF-assisted MISO Systems with Fine-grained Rate Demands
A two-phase GNN with a penalty-based loss jointly optimizes BS beamforming, RIS phases, and DF relay beamforming under fine-grained user rate constraints in simulated MISO systems.