# An Adaptive Human Activity-Aided Hand-Held Smartphone-Based Pedestrian Dead Reckoning Positioning System

> Research article (Remote Sensing, 2021) · cited 31× · AI/ML

**Wikidata**: [openalex:W3166112397](https://www.wikidata.org/wiki/openalex:W3166112397)  
**Source**: https://4ort.xyz/entity/an-adaptive-human-activity-aided-hand-held-smartphone-based-pedestrian-dead-reckoning-positioning-system