@article{eexappgnnbasedreinforcementlearningforra, title = {EExApp: GNN-Based Reinforcement Learning for Radio Unit Energy Optimization in 5G O-RAN}, author = {Jie Lu and Peihao Yan and Huacheng Zeng}, year = {2026}, eprint = {2602.09206}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2602.09206}, }