# Hard Sample Meta-Learning for CIR NLOS Identification in UWB Positioning

> Research article (IEEE Internet of Things Journal, 2025) · cited 11× · AI/ML

**Wikidata**: [openalex:W4406028241](https://www.wikidata.org/wiki/openalex:W4406028241)  
**Source**: https://4ort.xyz/entity/hard-sample-meta-learning-for-cir-nlos-identification-in-uwb-positioning