# Demonstration of high precision 3D indoor positioning system based on two-layer ANN machine learning technique

> Research article (Optical Fiber Communication Conference (OFC) 2019, 2019) · cited 24× · AI/ML

**Wikidata**: [openalex:W2915846188](https://www.wikidata.org/wiki/openalex:W2915846188)  
**Source**: https://4ort.xyz/entity/demonstration-of-high-precision-3d-indoor-positioning-system-based-on-two-layer-ann-machine-learning-technique