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Joint Offloading and Resource Allocation Based on UAV-Assisted Mobile Edge Computing
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DOI：10.1145/3476512.png)
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Due to the birth of various new Internet of Things devices, the rapid increase of users, and the limited coverage of infrastructure, computing resources will inevitably become insufficient. Therefore, we consider an unmanned aerial vehicle (UAV)-assisted mobile edge computing system with multiple users, an edge server, a remote cloud server, and an UAV. A UAV, as a relay node, can provide users with extensive communications and certain computing capabilities. Our proposed scheme aims to optimize the unloading decision of the tasks among all users and the allocation of computing and communication resources to minimize overall energy consumption and costs of computing andmaximum delay. To solve the joint optimization problem, we propose an efficient USS algorithm, which includes a UAV position optimization algorithm, semi-qualitative relaxation method, and self-adaptive adjustment method. Our numerical results show that the proposed algorithm can significantly reduce the unloading cost of multi-user tasks compared with four other unloading decisions, such as traditional cloud computing, which uses only the edge server.
Keyword:
Mobile edge computing
unmanned aerial vehicle ( UAV)
unloading decision
joint optimization problem
USS algorithm
期刊
IF:
4.7
论文数:
1.0K
被引数:
2.0K
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引用论文
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