# 3D-mapping-aided PPP-RTK aiming at deep urban canyons

> Research article (Journal of Geodesy, 2022) · cited 38× · AI/ML

**Wikidata**: [openalex:W4306291866](https://www.wikidata.org/wiki/openalex:W4306291866)  
**Source**: https://4ort.xyz/entity/3d-mapping-aided-ppp-rtk-aiming-at-deep-urban-canyons