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Optimization of bits allocation and path planning with trajectory constraint in UAV-enabled mobile edge computing system

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Chinese Journal of Aeronautics 2020年第10期33卷 2716-2727页

作者： Yizhe LUO Wenrui DING Baochang ZHANG Wenqian HUANG Chunhui LIU School of Electronics and Information Engineering Beihang UniversityBeijing 100083China Institute of Unmanned System Beihang UniversityBeijing 100083China School of Automation Science and Electrical Engineering Beihang UniversityBeijing 100083China

In this paper,an Unmanned Aerial Vehicle(UAV)enabled Mobile Edge Computing(MEC)system is studied,in which UAV acts as server to offer computing offloading service to the Mobile Users(MUs)with limited computing capability and energy *** aim to minimize the total energy consumption of MUs by jointly optimizing the bit allocation for uplink,computing at the UAV and downlink,along with the UAV trajectory in a unified *** this end,a trajectory constraint model is employed to avoid sudden changes of velocity and acceleration during *** to high-order information in use,we lead to a more reasonable nonconvex optimization problem than prior *** Alternating Direction Method of Multipliers(ADMM)method is introduced to solve the optimization problem,which is decomposed into a set of easy subproblems,to meet the requirement on the efficiency in edge *** results demonstrate that our approach leads a smoother UAV trajectory,significantly save the energy consumption for UAV during flying.

关键词： constraint implementation Edge computing Energy consumption Optimization methodology Unmanned Aerial Vehicles(UAV)

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