# Deep Multi-Stage CSI Acquisition for Reconfigurable Intelligent Surface Aided MIMO Systems

> Research article (IEEE Communications Letters, 2021) · cited 46× · AI/ML

**Wikidata**: [openalex:W3134668830](https://www.wikidata.org/wiki/openalex:W3134668830)  
**Source**: https://4ort.xyz/entity/deep-multi-stage-csi-acquisition-for-reconfigurable-intelligent-surface-aided-mimo-systems