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Communication-Efficient Federated Learning and Permissioned Blockchain for Digital Twin Edge Networks | IEEE Journals & Magazine | IEEE Xplore

Communication-Efficient Federated Learning and Permissioned Blockchain for Digital Twin Edge Networks


Abstract:

Emerging technologies, such as mobile-edge computing (MEC) and next-generation communications are crucial for enabling rapid development and deployment of the Internet of...Show More

Abstract:

Emerging technologies, such as mobile-edge computing (MEC) and next-generation communications are crucial for enabling rapid development and deployment of the Internet of Things (IoT). With the increasing scale of IoT networks, how to optimize the network and allocate the limited resources to provide high-quality services remains a major concern. The existing work in this direction mainly relies on models that are of less practical value for resource-limited IoT networks, and can hardly simulate the dynamic systems in real time. In this article, we integrate digital twins with edge networks and propose the digital twin edge networks (DITENs) to fill the gap between physical edge networks and digital systems. Then, we propose a blockchain-empowered federated learning scheme to strengthen communication security and data privacy protection in DITEN. Furthermore, to improve the efficiency of the integrated scheme, we propose an asynchronous aggregation scheme and use digital twin empowered reinforcement learning to schedule relaying users and allocate spectrum resources. Theoretical analysis and numerical results confirm that the proposed scheme can considerably enhance both communication efficiency and data security for IoT applications.
Published in: IEEE Internet of Things Journal ( Volume: 8, Issue: 4, 15 February 2021)
Page(s): 2276 - 2288
Date of Publication: 11 August 2020

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