# Hybrid Channel Estimation for UPA-Assisted Millimeter-Wave Massive MIMO IoT Systems

> Research article (IEEE Internet of Things Journal, 2021) · cited 38× · AI/ML

**Wikidata**: [openalex:W3180655257](https://www.wikidata.org/wiki/openalex:W3180655257)  
**Source**: https://4ort.xyz/entity/hybrid-channel-estimation-for-upa-assisted-millimeter-wave-massive-mimo-iot-systems