Energy-efficient collaborative task offloading in multi-access edge computing based on deep reinforcement learning

IF 4.4 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS
Shudong Wang, Shengzhe Zhao, Haiyuan Gui, Xiao He, Zhi Lu, Baoyun Chen, Zixuan Fan, Shanchen Pang
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引用次数: 0

Abstract

In the multi-access edge computing (MEC), task offloading through device-to-device (D2D) communication can improve the performance of edge computing by utilizing the computational resources of nearby mobile devices (MDs). However, adapting to the time-varying wireless environment and efficiently and quickly allocating tasks to MEC and other MDs to minimize the energy consumption of MDs is a challenge. First, we constructed a multi-device collaborative task offloading framework, modeling the collaborative task offloading decision problem as a graph state transition problem and utilizing a graph neural network (GNN) to fully explore the potential relationships between MDs and MEC. Then, we proposed a collaborative task offloading algorithm based on graph reinforcement learning and introduced a penalty mechanism that imposes penalties when the tasks of MDs exceed their deadlines. Simulation results show that, compared with other benchmark algorithms, this algorithm reduces energy consumption by approximately 20%, achieves higher task completion rates, and provides a more balanced load distribution.
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来源期刊
Ad Hoc Networks
Ad Hoc Networks 工程技术-电信学
CiteScore
10.20
自引率
4.20%
发文量
131
审稿时长
4.8 months
期刊介绍: The Ad Hoc Networks is an international and archival journal providing a publication vehicle for complete coverage of all topics of interest to those involved in ad hoc and sensor networking areas. The Ad Hoc Networks considers original, high quality and unpublished contributions addressing all aspects of ad hoc and sensor networks. Specific areas of interest include, but are not limited to: Mobile and Wireless Ad Hoc Networks Sensor Networks Wireless Local and Personal Area Networks Home Networks Ad Hoc Networks of Autonomous Intelligent Systems Novel Architectures for Ad Hoc and Sensor Networks Self-organizing Network Architectures and Protocols Transport Layer Protocols Routing protocols (unicast, multicast, geocast, etc.) Media Access Control Techniques Error Control Schemes Power-Aware, Low-Power and Energy-Efficient Designs Synchronization and Scheduling Issues Mobility Management Mobility-Tolerant Communication Protocols Location Tracking and Location-based Services Resource and Information Management Security and Fault-Tolerance Issues Hardware and Software Platforms, Systems, and Testbeds Experimental and Prototype Results Quality-of-Service Issues Cross-Layer Interactions Scalability Issues Performance Analysis and Simulation of Protocols.
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