# Joint Optimization of Beamforming and Noise Injection for Covert Downlink Transmissions in Cell-Free Internet of Things Networks

> Research article (IEEE Internet of Things Journal, 2023) · cited 16× · AI/ML

**Wikidata**: [openalex:W4387831833](https://www.wikidata.org/wiki/openalex:W4387831833)  
**Source**: https://4ort.xyz/entity/joint-optimization-of-beamforming-and-noise-injection-for-covert-downlink-transmissions-in-cell-free-internet-of-things-