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Related Experiment Video

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Optimization, Test and Diagnostics of Miniaturized Hall Thrusters

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Published on: February 16, 2019

Performance optimization of multilink laser powered UAV relay systems.

Xuehui Zhao¹, Yuanchang Zhong², Zhongyuan Mao²

¹School of Electrical Engineering, Chongqing University, Chongqing, 400044, China. 20221101040@stu.cqu.edu.cn.

Scientific Reports

|April 13, 2025

Summary

This summary is machine-generated.

Laser-powered Unmanned Aerial Vehicles (UAVs) offer flexible wireless connectivity. This study optimizes UAV trajectory and power control for energy management and throughput maximization in shared spectrum environments.

Keywords:

Energy management Interference Laser-powered UAVs

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Area of Science:

Wireless Communication
Robotics
Energy Harvesting

Background:

Unmanned Aerial Vehicles (UAVs) provide flexible wireless connectivity for temporary networks.
UAV energy constraints limit their operational duration and effectiveness.
Shared spectrum environments introduce co-channel interference challenges.

Purpose of the Study:

To propose a novel laser-powered UAV relay system to overcome energy limitations.
To maximize the minimum system link throughput in a multi-link shared spectrum environment.
To develop an efficient algorithm for joint optimization of UAV trajectory and power control.

Main Methods:

Formulation of a joint optimization problem for UAV trajectory and power control.
Development of an iterative algorithm to solve the non-convex optimization problem.
Simulation of the proposed laser-powered UAV relay system.

Main Results:

The proposed iterative algorithm efficiently manages UAV energy consumption.
Joint optimization effectively mitigates co-channel interference in shared spectrum.
Significant performance gains in system link throughput were achieved.

Conclusions:

Laser-powered UAVs show great potential to overcome energy limitations in wireless relay systems.
Joint trajectory and power control optimization is crucial for enhancing system performance.
The proposed scheme offers a viable solution for robust wireless connectivity in challenging environments.