# Ground Vehicle Navigation in GNSS-Challenged Environments Using Signals of Opportunity and a Closed-Loop Map-Matching Approach

> Research article (IEEE Transactions on Intelligent Transportation Systems, 2019) · cited 66× · AI/ML

**Wikidata**: [openalex:W2953065146](https://www.wikidata.org/wiki/openalex:W2953065146)  
**Source**: https://4ort.xyz/entity/ground-vehicle-navigation-in-gnss-challenged-environments-using-signals-of-opportunity-and-a-closed-loop-map-matching-ap