# Hierarchical user clustering for mmWave-NOMA systems

> Research article (University of Oulu Repository (University of Oulu), 2020) · cited 26× · AI/ML

**Wikidata**: [openalex:W3022032069](https://www.wikidata.org/wiki/openalex:W3022032069)  
**Source**: https://4ort.xyz/entity/hierarchical-user-clustering-for-mmwave-noma-systems