Article (Scientific journals)
Intelligent Blockchain-based Edge Computing via Deep Reinforcement Learning: Solutions and Challenges
Nguyen, Dinh C; Nguyen, van Dinh; Ding, Ming et al.
2022In IEEE Network, 36 (6), p. 12-19
Peer reviewed
 

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Keywords :
Mobile edge computing; blockchain; deep reinforcement learning.
Abstract :
[en] The convergence of mobile edge computing (MEC) and blockchain is transforming the current computing services in wireless Internet-of-Things networks, by enabling task offloading with security enhancement based on blockchain mining. Yet the existing approaches for these enabling technologies are isolated, providing only tailored solutions for specific services and scenarios. To fill this gap, we propose a novel cooperative task offloading and blockchain mining (TOBM) scheme for a blockchain-based MEC system, where each edge device not only handles computation tasks but also deals with block mining for improving system utility. To address the latency issues caused by the blockchain operation in MEC, we develop a new Proof-of-Reputation consensus mechanism based on a lightweight block verification strategy. To accommodate the highly dynamic environment and high-dimensional system state space, we apply a novel distributed deep reinforcement learning-based approach by using a multi-agent deep deterministic policy gradient algorithm. Experimental results demonstrate the superior performance of the proposed TOBM scheme in terms of enhanced system reward, improved offloading utility with lower blockchain mining latency, and better system utility, compared to the existing cooperative and non-cooperative schemes. The paper concludes with key technical challenges and possible directions for future blockchain-based MEC research.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Nguyen, Dinh C
Nguyen, van Dinh ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
Ding, Ming
Chatzinotas, Symeon  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
Pathirana, Pubudu N
Seneviratne, Aruna
Dobre, Octavia
Zomaya, Albert Y
External co-authors :
yes
Language :
English
Title :
Intelligent Blockchain-based Edge Computing via Deep Reinforcement Learning: Solutions and Challenges
Publication date :
2022
Journal title :
IEEE Network
ISSN :
1558-156X
Publisher :
Institute of Electrical and Electronics Engineers, New York, United States - New York
Volume :
36
Issue :
6
Pages :
12-19
Peer reviewed :
Peer reviewed
Available on ORBilu :
since 27 June 2022

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