# A survey on UAV placement and trajectory optimization in communication networks: From the perspective of air-to-ground channel models

> Research article (ICT Express, 2022) · cited 61× · AI/ML

**Wikidata**: [openalex:W4210291204](https://www.wikidata.org/wiki/openalex:W4210291204)  
**Source**: https://4ort.xyz/entity/a-survey-on-uav-placement-and-trajectory-optimization-in-communication-networks-from-the-perspective-of-air-to-ground-ch