Digital-Twin-Assisted Task Offloading Based on Edge Collaboration in the Digital Twin Edge Network

doi:10.1109/JIOT.2021.3086961

CQUET-IR

	Digital-Twin-Assisted Task Offloading Based on Edge Collaboration in the Digital Twin Edge Network
	Liu, T ; Tang, L ; Wang, WL ; Chen, QB ; Zeng, XP
	2022-01-15
发表期刊	IEEE Internet of Things Journal
ISSN	2327-4662
卷号	9 期号:2 页码:1427-1444
摘要	Emerging digital twin (DT) and mobile-edge computing (MEC) are crucial for enabling the rapid development of 6G. However, the existing works ignore the edge collaboration, which can provide the system with additional performance gain. In this article, we study the problem of mobile users (MUs) intelligently offloading tasks to cooperative mobile-edge servers (MESs) with the assistance of DT. Specifically, a DT-assisted task offloading scheme (DTTOS) that consists of the selection of MESs and intelligent task offloading is proposed. Channel state information (CSI) and blockchain are employed to implement the selection of MESs. Then, we present a solution to enable MU's task offloading that is modeled as a Markov decision process (MDP) in an intelligent way. After this, a mathematical optimization model aiming at decreasing power and time overhead is formulated. In view of the complexity, it is decomposed into two suboptimization models and solved by the decision tree algorithm (DTA) and double deep-Q-learning (DDQN), respectively. Simulations are conducted to prove the superiority of the proposed scheme in terms of data security assurance and network performance improvement.
关键词	Artificial intelligence (AI) 6G blockchain 5G digital twin (DT) edge collaboration
DOI	10.1109/JIOT.2021.3086961
收录类别	SCIE
语种	英语
WOS研究方向	Computer Science ; Engineering ; Telecommunications
WOS类目	Computer Science, Information Systems ; Engineering, Electrical & Electronic ; Telecommunications
WOS记录号	WOS:000740006200048
出版者	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
原始文献类型	Article
出版地	PISCATAWAY
引用统计	被引频次：120[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	https://ir.cqcet.edu.cn/handle/39TD4454/10425
专题	重庆电子科技职业大学
作者单位	1.Chongqing Univ Posts & Telecommun, Key Lab Mobile Commun, Chongqing 400065, Peoples R China; 2.Chongqing Vocat Inst Engn, Dept Big Data & Internet Things, Chongqing 402260, Peoples R China; 3.Chongqing Univ, Sch Microelect & Commun, Chongqing 400044, Peoples R China
推荐引用方式 GB/T 7714	Liu, T,Tang, L,Wang, WL,et al. Digital-Twin-Assisted Task Offloading Based on Edge Collaboration in the Digital Twin Edge Network[J]. IEEE Internet of Things Journal,2022,9(2):1427-1444.
APA	Liu, T,Tang, L,Wang, WL,Chen, QB,&Zeng, XP.(2022).Digital-Twin-Assisted Task Offloading Based on Edge Collaboration in the Digital Twin Edge Network.IEEE Internet of Things Journal,9(2),1427-1444.
MLA	Liu, T,et al."Digital-Twin-Assisted Task Offloading Based on Edge Collaboration in the Digital Twin Edge Network".IEEE Internet of Things Journal 9.2(2022):1427-1444.