Paper
28 July 2023 UAV trajectory design based on retransmission
Jianshu Lv, Lei Yang
Author Affiliations +
Proceedings Volume 12716, Third International Conference on Digital Signal and Computer Communications (DSCC 2023); 127160K (2023) https://doi.org/10.1117/12.2685480
Event: Third International Conference on Digital Signal and Computer Communications (DSCC 2023), 2023, Xi'an, China
Abstract
Unmanned Aerial Vehicles (UAVs) have been widely used for data collection due to their high flexibility and ability to provide line-of-sight links. In existing studies, it is generally assumed that ground users can transmit only once, while in real systems, ground-based IoT devices can enhance the communication range by transmitting the same data multiple times. Therefore, this paper considers the UAV data collection problem in two different retransmission modes and models it as maximizing the number of users that can be served by the system for a determined amount of UAV onboard energy. Since the problem is a mixed integer nonlinear problem, it is difficult to solve directly. Therefore, it is decomposed into three subproblems by alternating optimization and solved by successive convex approximation (SCA). The simulation results show that the number of users that can be served by the system can be effectively increased by considering the retransmission of ground users.
© (2023) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jianshu Lv and Lei Yang "UAV trajectory design based on retransmission", Proc. SPIE 12716, Third International Conference on Digital Signal and Computer Communications (DSCC 2023), 127160K (28 July 2023); https://doi.org/10.1117/12.2685480
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KEYWORDS
Unmanned aerial vehicles

Data modeling

Data transmission

Data communications

Telecommunications

Systems modeling

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