# A Software-Based Sonar Ranging Sensor for Smart Phones

> Research article (IEEE Internet of Things Journal, 2015) · cited 31× · AI/ML

**Wikidata**: [openalex:W2096523047](https://www.wikidata.org/wiki/openalex:W2096523047)  
**Source**: https://4ort.xyz/entity/a-software-based-sonar-ranging-sensor-for-smart-phones