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A Socially-Aware Hybrid Computation Offloading Framework for Multi-Access Edge Computing
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DOI：10.1109/TMC.2019.2908154.png)
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Computation offloading manages resource-intensive and mobile collaborative applications (MCA) on mobile devices where much processing is replicated with multiple users in the same environment. In this article, we propose a novel hybrid multicast-based task execution framework for multi-access edge computing (MEC), where a crowd of mobile devices at the network edge leverage network-assisted device-to-device (D2D) collaboration for wireless distributed computing (MDC) and outcome sharing. The framework is socially aware in order to build effective D2D links. A key objective of this framework is to achieve an energy-efficient task assignment policy for mobile users. Specifically, we first introduce the socially aware hybrid computation offloading (SAHCO) system model, which combines of MEC offloading and D2D offloading in detail. Then, we formulate the energy-efficient task assignment problem by taking into account the necessary constraints. We next propose a Monte Carlo Tree Search based algorithm, named, TA-MCTS for the task assignment problem. Simulation results show that compared to four alternative benchmark solutions in literature, our proposal can reduce energy consumption up to 45.37 percent.
Keyword:
Device-to-device communication
Task analysis
Servers
Mobile handsets
Computational modeling
Wireless communication
Collaboration
Mobile collaborative application
wireless distributed computing
computation offloading
multicast communication
socially aware
monte carlo tree search
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