# An Infrastructure-Free Indoor Localization Algorithm for Smartphones

> Research article (Sensors, 2018) · cited 29× · AI/ML

**Wikidata**: [openalex:W2894555786](https://www.wikidata.org/wiki/openalex:W2894555786)  
**Source**: https://4ort.xyz/entity/an-infrastructure-free-indoor-localization-algorithm-for-smartphones