TY - JOUR T1 - Multi-Agent Deep Reinforcement Learning Based Downlink Beamforming in Heterogeneous Networks JO - IEEE Transactions on Wireless Communications UR - https://doi.org/10.1109/twc.2022.3224150 PY - 2022/12/01 AU - Zhang Z AU - Hou J AU - Chu X AU - Zhou H AU - Wei G AU - Zhang J ED - DO - DOI: 10.1109/twc.2022.3224150 PB - Institute of Electrical and Electronics Engineers (IEEE) VL - 22 IS - 6 SP - 4247 EP - 4263 Y2 - 2025/12/11 ER -