# S-PDR: SBAUPT-Based Pedestrian Dead Reckoning Algorithm for Free-Moving Handheld Devices

> Research article (Geomatics, 2021) · cited 12× · AI/ML

**Wikidata**: [openalex:W3139149656](https://www.wikidata.org/wiki/openalex:W3139149656)  
**Source**: https://4ort.xyz/entity/s-pdr-sbaupt-based-pedestrian-dead-reckoning-algorithm-for-free-moving-handheld-devices