@article{2968330,
    title = "Deep Reinforcement Learning for Energy-Efficient Multi-Channel Transmissions in 5G Cognitive HetNets: Centralized, Decentralized and Transfer Learning Based Solutions",
    author = "Anastasios Giannopoulos and Sotirios Spantideas and Nikolaos Kapsalis and Panagiotis Karkazis and Panagiotis Trakadas",
    journal = "IEEE Access",
    year = "2021",
    volume = "9",
    pages = "129358--129374",
    publisher = "Institute of Electrical and Electronics Engineers (IEEE)",
    issn = "2169-3536",
    doi = "10.1109/access.2021.3113501"
}