中文版 | English
Title

When Cache Meets Vehicular Edge Computing: Architecture, Key Issues, and Challenges

Author
Corresponding AuthorChen,Wei
Publication Years
2022-08-01
DOI
Source Title
ISSN
1536-1284
EISSN
1558-0687
Volume29Issue:4Pages:56-62
Abstract
Task-oriented caching in vehicular edge computing (VEC) has become a hot topic recently, which brings in many opportunities for capability limited vehicles and makes VEC task offloading and service provision more cost-effective. Most works on caching assisted task offloading in VEC focused mainly on the reuse of computation results and neglected the characteristics pertaining to VEC. In effect, task-oriented caching in VEC is time-sensitive, requiring multiple-choice and multi-granularity. We need to address the issues on different computing and storage capabilities between vehicles and edge server with their diverse applications. Therefore, caching enabled task offloading in VEC aims for exploitation and enhancement of the functions in edge computing. To investigate in depth the benefits of caching enabled task offloading in VEC, we first provide an architectural overview on caching enabled vehicular edge computing (CVEC). Then, we strive to address the most concerned issues, that is, where, what, how and when to cache the tasks in CVEC. Specifically, three caching strategies are introduced to address what to cache in CVEC. In addition, caching strategies are evaluated with respect to response latency and energy consumption at edge servers. Simulation results reveal that caching enabled task offloading in CVEC can remarkably improve the performance of VEC. We also take a look at the opportunities and discuss the challenges in CVEC to shed light on future research directions on CVEC.
Keywords
URL[Source Record]
Indexed By
Language
English
SUSTech Authorship
Others
WOS Accession No
WOS:000870727800021
ESI Research Field
COMPUTER SCIENCE
Scopus EID
2-s2.0-85132503376
Data Source
Scopus
PDF urlhttps://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9770095
Citation statistics
Cited Times [WOS]:0
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/407133
Affiliation
1.China University of Mining and Technology,China
2.Southern University of Science and Technology,China
3.Peng Cheng Laboratory,China
4.Hong Kong Polytechnic University,Hong Kong,Hong Kong
5.National Cheng Kung University,Taiwan
Recommended Citation
GB/T 7714
Tang,Chaogang,Chen,Wei,Zhu,Chunsheng,et al. When Cache Meets Vehicular Edge Computing: Architecture, Key Issues, and Challenges[J]. IEEE WIRELESS COMMUNICATIONS,2022,29(4):56-62.
APA
Tang,Chaogang,Chen,Wei,Zhu,Chunsheng,Li,Qing,&Chen,Hsiao Hwa.(2022).When Cache Meets Vehicular Edge Computing: Architecture, Key Issues, and Challenges.IEEE WIRELESS COMMUNICATIONS,29(4),56-62.
MLA
Tang,Chaogang,et al."When Cache Meets Vehicular Edge Computing: Architecture, Key Issues, and Challenges".IEEE WIRELESS COMMUNICATIONS 29.4(2022):56-62.
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