# A Sensor-Free Crowd Counting Framework for Indoor Environments Based on Channel State Information

> Research article (IEEE Sensors Journal, 2022) · cited 22× · AI/ML

**Wikidata**: [openalex:W4205847781](https://www.wikidata.org/wiki/openalex:W4205847781)  
**Source**: https://4ort.xyz/entity/a-sensor-free-crowd-counting-framework-for-indoor-environments-based-on-channel-state-information