Energy Efficient Optimization for Solar-Powered UAV Communications System

被引：6

作者：

Song, Xu ^{[1
]}

Chang, Zheng ^{[2
]}

Guo, Xijuan ^{[1
]}

Wu, Peiliang ^{[1
]}

Hamalainen, Timo ^{[2
]}

机构：

[1] Yanshan Univ, Coll Informat Sci & Engn, Qinhuangdao 066004, Hebei, Peoples R China

[2] Univ Jyvaskyla, Fac Informat Technol, POB 35, FI-40014 Jyvaskyla, Finland

来源：

2021 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS WORKSHOPS (ICC WORKSHOPS) | 2021年

关键词：

UAV communication systems; solar energy harvesting; energy efficiency; RESOURCE-ALLOCATION; ALTITUDE; NETWORKS; DESIGN;

D O I：

10.1109/ICCWorkshops50388.2021.9473629

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this work, we explore the energy efficiency optimization for a solar-powered unmanned aerial vehicle (UAV) communications system. We consider a scenario where a number of ground users (GUs) connect with a solar-powered multiantenna UAV over a wireless link. First, we are able to derive the relations between the uplink data rate and heading angle of UAV and transmission power of GUs. In addition, the harvested energy from solar light is also affected by UAV's angle. Accordingly, with the objective to maximize the energy efficiency that is related to uplink data rate and energy consumption, we propose to dynamically adjust the UAV trajectory and gesture, by optimizing its velocity, acceleration, heading angle and ground user transmission power. Performance evaluations demonstrate the advantages of the presented scheme on the design of solarpowered UAV communications system.

引用

页数：6

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