# An Improved Indoor 3-D Ultrawideband Positioning Method by Particle Swarm Optimization Algorithm

> Research article (IEEE Transactions on Instrumentation and Measurement, 2022) · cited 24× · AI/ML

**Wikidata**: [openalex:W4287889131](https://www.wikidata.org/wiki/openalex:W4287889131)  
**Source**: https://4ort.xyz/entity/an-improved-indoor-3-d-ultrawideband-positioning-method-by-particle-swarm-optimization-algorithm
