Joint Device Association and Resource Allocation for Time-critical IoT Applications in MEC-empowered 5G Networks
Joint Device Association and Resource Allocation for Time-critical IoT Applications in MEC-empowered 5G Networks
复制标题
MEC 支持的 5G 网络中时间关键型物联网应用的联合设备关联和资源分配
DOI：
10.1109/smartcomp52413.2021.00044
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发表时间：
2021
期刊：
影响因子：
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通讯作者：
E. Mingozzi
中科院分区：
文献类型：
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作者：
Simone Bolettieri;Raffaele Bruno;E. Mingozzi
多接入边缘计算 (MEC) 正在成为满足时间关键型物联网 (IoT) 应用要求的有效解决方案。然而，为了提高MEC系统的网络效率和QoS支持，有必要在异构服务和边缘资源的背景下联合优化边缘资源管理、物联网数据收集和物联网设备关联。在本研究中，我们通过将多单元 MEC 网络中的资源分配、设备关联和数据路由问题表述为混合整数非线性规划问题来解决这些挑战。我们还提出了一种最佳拟合贪婪启发式方法来确定在线资源管理优化问题的近似解。与三个替代基准相比，仿真结果证实了所提出算法的有效性。
Multi-access edge computing (MEC) is emerging as an effective solution to fulfil the requirements of time-critical Internet of Things (IoT) applications. However, to improve the network efficiency and QoS support of MEC systems, it is essential to jointly optimise edge resource management, IoT data collection and IoT device association in the context of heterogeneous services and edge resources. In this study, we address these challenges by formulating the resource allocation, device association and data routing problem in a multi-cell MEC network as a mixed-integer non-linear programming problem. We also propose a best-fit greedy heuristic method to determine an approximate solution to the optimisation problem for online resource management. Simulation results confirm the effectiveness of the proposed algorithm compared to three alternative benchmarks.