# Joint Optimization on Uplink OFDMA and MU-MIMO for IEEE 802.11ax: Deep Hierarchical Reinforcement Learning Approach

> Research article (IEEE Communications Letters, 2024) · cited 12× · AI/ML

**Wikidata**: [openalex:W4398152762](https://www.wikidata.org/wiki/openalex:W4398152762)  
**Source**: https://4ort.xyz/entity/joint-optimization-on-uplink-ofdma-and-mu-mimo-for-ieee-802-11ax-deep-hierarchical-reinforcement-learning-approach