Security and Cost-Aware Computation Offloading via Deep Reinforcement Learning in Mobile Edge Computing

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Abstract

With the explosive growth of mobile applications, mobile devices need to be equipped with abundant resources to process massive and complex mobile applications. However, mobile devices are usually resource-constrained due to their physical size. Fortunately, mobile edge computing, which enables mobile devices to offload computation tasks to edge servers with abundant computing resources, can significantly meet the ever-increasing computation demands from mobile applications. Nevertheless, offloading tasks to the edge servers are liable to suffer from external security threats (e.g., snooping and alteration). Aiming at this problem, we propose a security and cost-aware computation offloading (SCACO) strategy for mobile users in mobile edge computing environment, the goal of which is to minimize the overall cost (including mobile device's energy consumption, processing delay, and task loss probability) under the risk probability constraints. Specifically, we first formulate the computation offloading problem as a Markov decision process (MDP). Then, based on the popular deep reinforcement learning approach, deep Q-network (DQN), the optimal offloading policy for the proposed problem is derived. Finally, extensive experimental results demonstrate that SCACO can achieve the security and cost efficiency for the mobile user in the mobile edge computing environment.

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APA

Huang, B., Li, Y., Li, Z., Pan, L., Wang, S., Xu, Y., & Hu, H. (2019). Security and Cost-Aware Computation Offloading via Deep Reinforcement Learning in Mobile Edge Computing. Wireless Communications and Mobile Computing, 2019. https://doi.org/10.1155/2019/3816237

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