@article{article, title = {{Multi-Agent Deep Reinforcement Learning Based Downlink Beamforming in Heterogeneous Networks}}, publisher = {{Institute of Electrical and Electronics Engineers (IEEE)}}, url = {{https://doi.org/10.1109/twc.2022.3224150 }}, year = {{2022}}, month = {{12}}, author = {{Zhang Z and Hou J and Chu X and Zhou H and Wei G and Zhang J}}, doi = {{10.1109/twc.2022.3224150}}, volume = {{22}}, journal = {{IEEE Transactions on Wireless Communications}}, issue = {{6}}, pages = {{4247-4263}}, note = {{Accessed on 2025/12/11}}}