# 3D UAV Trajectory Design and Frequency Band Allocation for Energy-Efficient and Fair Communication: A Deep Reinforcement Learning Approach

> Research article (IEEE Transactions on Wireless Communications, 2020) · cited 312× · AI/ML

**Wikidata**: [openalex:W3051352583](https://www.wikidata.org/wiki/openalex:W3051352583)  
**Source**: https://4ort.xyz/entity/3d-uav-trajectory-design-and-frequency-band-allocation-for-energy-efficient-and-fair-communication-a-deep-reinforcement-