# Improving Multi-floor WiFi-based Indoor positioning systems by Fingerprint grouping

> Research article (2021 5th International Conference on Internet of Things and Applications (IoT), 2021) · cited 19× · AI/ML

**Wikidata**: [openalex:W3179445630](https://www.wikidata.org/wiki/openalex:W3179445630)  
**Source**: https://4ort.xyz/entity/improving-multi-floor-wifi-based-indoor-positioning-systems-by-fingerprint-grouping