# Factor graph-based PPP-RTK for accurate and robust positioning in urban environments

> Research article (Journal of Geodesy, 2024) · cited 15× · AI/ML

**Wikidata**: [openalex:W4392924026](https://www.wikidata.org/wiki/openalex:W4392924026)  
**Source**: https://4ort.xyz/entity/factor-graph-based-ppp-rtk-for-accurate-and-robust-positioning-in-urban-environments