# Direct and Two-Step Positioning in Visible Light Systems

> Research article (IEEE Transactions on Communications, 2017) · cited 77× · AI/ML

**Wikidata**: [openalex:W2756610256](https://www.wikidata.org/wiki/openalex:W2756610256)  
**Source**: https://4ort.xyz/entity/direct-and-two-step-positioning-in-visible-light-systems