Optimal Node Placement and Resource Allocation for UAV Relaying Network

被引:154
作者
Fan, Rongfei [1 ]
Cui, Jiannan [1 ]
Jin, Song [1 ]
Yang, Kai [1 ]
An, Jianping [1 ]
机构
[1] Beijing Inst Technol, Sch Informat & Elect, Beijing 100081, Peoples R China
基金
中国国家自然科学基金;
关键词
Unmanned aerial vehicle (UAV); rotary-wing; node placement; resource allocation; OPTIMIZATION; COMMUNICATION; SYSTEMS;
D O I
10.1109/LCOMM.2018.2800737
中图分类号
TN [电子技术、通信技术];
学科分类号
0809 ;
摘要
Utilizing unmanned aerial vehicle (UAV) as the relay is an effective technical solution for the wireless communication between ground terminals faraway or obstructed. In this letter, the problems of UAV node placement and communication resource allocation are investigated jointly for a UAV relaying system for the first time. Multiple communication pairs on the ground, with one rotary-wing UAV serving as relay, are considered. Transmission power, bandwidth, transmission rate, and UAV's position are optimized jointly to maximize the system throughput. An optimization problem is formulated, which is non-convex. The global optimal solution is achieved by transforming the formulated problem to be a monotonic optimization problem.
引用
收藏
页码:808 / 811
页数:4
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