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Constrained Multiobjective Decomposition Evolutionary Algorithm for UAV-Assisted Mobile Edge Computing Networks
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DOI：10.1109/JIOT.2024.3417009.png)
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摘要
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The increasing significance of unmanned aerial vehicles (UAVs) in mobile edge computing (MEC) has captured considerable attention. Nevertheless, the effectiveness of UAVs-assisted MEC networks is hampered by challenges, such as limited communication capacity and onboard power. To tackle these issues, this study develops a constrained multiobjective optimization model designed to enhance the performance of UAVs-assisted MEC networks, focusing on system capacity, energy consumption, and task latency. As a result, this problem manifests as a complex constrained multiobjective optimization problem. The study then proposes a constrained multiobjective decomposition evolutionary algorithm (CMODEA) with low-computational complexity. This algorithm employs an adaptive individual comparison strategy, balancing diversity and convergence, and integrates an optimally guided differential evolution strategy for efficiently approximating optimal solutions. Additionally, it incorporates an adaptive constraint handling method, effectively managing existing constraints. The CMODEA aims to simultaneously optimize system capacity, energy consumption, and task latency while meeting the computational resource requirements of UAVs and ensuring acceptable user task latency levels. Simulation results demonstrate the algorithm's effectiveness in significantly enhancing capacity, reducing energy consumption and latency, without greatly increasing algorithm complexity.
Keyword:
Task analysis
Optimization
Energy consumption
Internet of Things
Autonomous aerial vehicles
Convergence
Delays
6G
constrained multiobjective optimization
evolutionary computation
mobile edge computing (MEC)
unmanned aerial vehicles (UAVs)
期刊
IF:
8.9
论文数:
1.4W
被引数:
7.8W
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