Efficient and Energy-Saving Computation Offloading Mechanism with Energy Harvesting for IoT.
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| Title: | Efficient and Energy-Saving Computation Offloading Mechanism with Energy Harvesting for IoT. |
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| Authors: | Zhang, Yawen, Miao, Yifeng, Pan, Shujia, Chen, Siguang |
| Source: | Security & Communication Networks; 12/27/2021, p1-10, 10p |
| Subject Terms: | ENERGY harvesting, MOBILE computing, INTERNET of things, GREEDY algorithms, COMPUTER systems, DEEP learning, TIME management |
| Abstract: | In order to effectively extend the lifetime of Internet of Things (IoT) devices, improve the energy efficiency of task processing, and build a self-sustaining and green edge computing system, this paper proposes an efficient and energy-saving computation offloading mechanism with energy harvesting for IoT. Specifically, based on the comprehensive consideration of local computing resource, time allocation ratio of energy harvesting, and offloading decision, an optimization problem that minimizes the total energy consumption of all user devices is formulated. In order to solve such optimization problem, a deep learning-based efficient and energy-saving offloading decision and resource allocation algorithm is proposed. The design of deep neural network architecture incorporating regularization method and the employment of the stochastic gradient descent method can accelerate the convergence rate of the developed algorithm and improve its generalization performance. Furthermore, it can minimize the total energy consumption of task processing by integrating the momentum gradient descent to solve the resource optimization allocation problem. Finally, the simulation results show that the mechanism proposed in this paper has significant advantage in convergence rate and can achieve an optimal offloading and resource allocation strategy that is close to the solution of greedy algorithm. [ABSTRACT FROM AUTHOR] |
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| Database: | Complementary Index |
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