# A Novel Multi-Level Integrated Navigation System for Challenging GNSS Environments

> Research article (IEEE Transactions on Intelligent Transportation Systems, 2020) · cited 56× · AI/ML

**Wikidata**: [openalex:W3010798980](https://www.wikidata.org/wiki/openalex:W3010798980)  
**Source**: https://4ort.xyz/entity/a-novel-multi-level-integrated-navigation-system-for-challenging-gnss-environments