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Learning-Based Context-Aware Resource Allocation for Edge Computing-Empowered Industrial IoT

Liao, Haijun and Zhou, Zhenyu and Zhao, Xiongwen and Zhang, Lei and Mumtaz, Shahid and Jolfaei, Alireza and Ahmed, Syed Hassan and Bashir, Ali Kashif (2019) Learning-Based Context-Aware Resource Allocation for Edge Computing-Empowered Industrial IoT. IEEE Internet of Things Journal. p. 1.

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Abstract

Edge computing provides a promising paradigm to support the implementation of industrial Internet of Things (IIoT) by offloading computational-intensive tasks from resource-limited machine-type devices (MTDs) to powerful edge servers. However, the performance gain of edge computing may be severely compromised due to limited spectrum resources, capacity-constrained batteries, and context unawareness. In this paper, we consider the optimization of channel selection which is critical for efficient and reliable task delivery. We aim at maximizing the long-term throughput subject to long-term constraints of energy budget and service reliability. We propose a learning-based channel selection framework with service reliability awareness, energy awareness, backlog awareness, and conflict awareness, by leveraging the combined power of machine learning, Lyapunov optimization, and matching theory. We provide rigorous theoretical analysis, and prove that the proposed framework can achieve guaranteed performance with a bounded deviation from the optimal performance with global state information (GSI) based on only local and causal information. Finally, simulations are conducted under both single-MTD and multi-MTD scenarios to verify the effectiveness and reliability of the proposed framework.

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