Research Article
Power-Efficient Communication for UAV-Enabled Mobile Relay System
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@INPROCEEDINGS{10.1007/978-3-030-44751-9_9, author={Long Chen and Shu Cai and Weidong Zhang and Jun Zhang and Yongan Guo}, title={Power-Efficient Communication for UAV-Enabled Mobile Relay System}, proceedings={IoT as a Service. 5th EAI International Conference, IoTaaS 2019, Xi’an, China, November 16-17, 2019, Proceedings}, proceedings_a={IOTAAS}, year={2020}, month={6}, keywords={UAV communication Mobile relay system Trajectory design Optimization}, doi={10.1007/978-3-030-44751-9_9} }- Long Chen
Shu Cai
Weidong Zhang
Jun Zhang
Yongan Guo
Year: 2020
Power-Efficient Communication for UAV-Enabled Mobile Relay System
IOTAAS
Springer
DOI: 10.1007/978-3-030-44751-9_9
Abstract
This paper studies a unmanned aerial vehicle (UAV)-enabled wireless relay communication system, where a UAV provides relay services to a source node and a destination node. To minimize the total power consumption of UAV, we jointly design the trajectory of UAV and transmission power of both UAV and source node, under the constraints on minimum data rate, transmission power, UAV’s mobility, and information-causality. The obtained problem is non-convex and difficult to solve in general. Hence, a successive convex approximation based optimization method is proposed to solve the problem approximately. Numerical simulations are performed to show effectiveness of the proposed method.
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