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IEEE Published Article

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Topology-Aware Deep Reinforcement Learning for RIS Beamforming: A GNN-PPO and Risk-Sensitive Evaluation

Authors: I. Ioannou, P. Nagaradjane, M. Raspopoulos, V. Papadopoulou-Lesta, C. Christophorou, A. Khalifeh, V. Vassiliou

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Date:

DOI: 10.1109/ASIANComNet68615.2025.11579631

Keywords

Reconfigurable intelligent surfaces reinforcement learning deep learning wireless communications 6G beamforming PPO SAC CVaR Modeling Graph neural networks Training Signal to noise ratio Printing Optimization Distance measurement Equations Timing

Authors

I. Ioannou

P. Nagaradjane

M. Raspopoulos

V. Papadopoulou-Lesta

C. Christophorou

A. Khalifeh

V. Vassiliou

Publication Details

Publisher

IEEE

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ISSN