Service Duration Maximization for Continuous Coverage in UAV-Assisted Communication System

被引：5

作者：

Dandapat, Jyotirindra ^{[1
]}

Gupta, Nishant ^{[1
]}

Agarwal, Satyam ^{[1
]}

Darshi, Sam ^{[1
]}

机构：

[1] Indian Inst Technol IIT Ropar, Dept Elect Engn, Ropar 140001, India

来源：

IEEE COMMUNICATIONS LETTERS | 2022年 / 26卷 / 10期

关键词：

Autonomous aerial vehicles; Trajectory; Mobile nodes; Probability; Power system reliability; Signal to noise ratio; Optimization; UAV communication; energy consumption; outage minimization; mobile nodes; trajectory design; DESIGN;

D O I：

10.1109/LCOMM.2022.3189692

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

This letter studies a UAV-assisted communication design where a rotary-wing UAV is launched to provide continuous coverage to mobile nodes. We aim to maximize the service time duration of the UAV by optimizing its three-dimensional (3D) trajectory while simultaneously ensuring adequate coverage to mobile nodes. Considering the limited energy available with the UAV, we frame an equivalent energy consumption minimization problem. Though the formulated problem is non-convex, it is shown that it is pseudoconvex under horizontal and vertical UAV coordinates. Based on this observation, we use alternating optimization to solve the problem. Numerical results provide trajectory insight and compare the service duration to the mobile nodes with different schemes.

引用

页码：2445 / 2449

页数：5

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