# Multidevice Map-Constrained Fingerprint-Based Indoor Positioning Using 3-D Ray Tracing

> Research article (IEEE Transactions on Instrumentation and Measurement, 2017) · cited 30× · AI/ML

**Wikidata**: [openalex:W2775315603](https://www.wikidata.org/wiki/openalex:W2775315603)  
**Source**: https://4ort.xyz/entity/multidevice-map-constrained-fingerprint-based-indoor-positioning-using-3-d-ray-tracing