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2025 , Vol. 30 >Issue 6: 1220 - 1231

DOI: https://doi.org/10.1007/s12204-023-2624-9

Automation & Computer Technologies

Resource Allocation Method for Unmanned Aerial Vehicle-Assisted and User Cooperation Non-Linear Energy Harvesting Mobile Edge Computing System

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  • Fujian Key Laboratory for Intelligent Processing and Wireless Transmission of Media Information; College of Physics and Information Engineering, Fuzhou University, Fuzhou 350108, China

Received date: 2022-07-10

  Accepted date: 2022-10-31

  Online published: 2023-06-28

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Abstract

Aimed at the doubly near-far problems in a large range suffered by the remote user group and in a small range existing in both nearby and remote user groups during energy harvesting and computation offloading, a resource allocation method for unmanned aerial vehicle (UAV)-assisted and user cooperation non-linear energy harvesting mobile edge computing (MEC) system is proposed. The UAV equipped with an MEC server is introduced to provide energy and computing services for the remote user group to alleviate the doubly near-far problem in a large range suffered by the remote user group. The doubly near-far problem in a small range existing in both nearby and remote user groups is mitigated by user cooperation. The specific user cooperation strategy is that the user near the base station or the UAV is used as a relay to transfer the computing task of the user far from the base station or the UAV to the MEC server for computing. By jointly optimizing users’ offloading time, users’ transmitting power, and the hovering position of the UAV, the resource allocation problem is modeled as a nonlinear programming problem with the objective of maximizing computation efficiency. The suboptimal solution is obtained by adopting the differential evolution algorithm. Simulation results show that, compared with the resource allocation method based on genetic algorithm and the without user cooperation method, the proposed method has higher computation efficiency.

Cite this article

HE Ximei, ZHAO Yisheng, XU Zhihong, CHEN Yong . Resource Allocation Method for Unmanned Aerial Vehicle-Assisted and User Cooperation Non-Linear Energy Harvesting Mobile Edge Computing System[J]. Journal of Shanghai Jiaotong University(Science), 2025 , 30(6) : 1220 -1231 . DOI: 10.1007/s12204-023-2624-9

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