# Self-Organizing mmWave MIMO Cell-Free Networks With Hybrid Beamforming: A Hierarchical DRL-Based Design

> Research article (IEEE Transactions on Communications, 2022) · cited 45× · AI/ML

**Wikidata**: [openalex:W3136003212](https://www.wikidata.org/wiki/openalex:W3136003212)  
**Source**: https://4ort.xyz/entity/self-organizing-mmwave-mimo-cell-free-networks-with-hybrid-beamforming-a-hierarchical-drl-based-design