Article (Scientific journals)
Consortium Blockchain for Cooperative Location Privacy Preservation in 5G-enabled Vehicular Fog Computing
Boualouache, Abdelwahab; Sedjelmaci, Hichem; Engel, Thomas
2021In IEEE Transactions on Vehicular Technology
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Keywords :
5G-enabled Vehicular Fog Computing; Consortium Blockchain; Location Privacy; Incentive Mechanisms; Pseudonym Changing
Abstract :
[en] Privacy is a key requirement for connected vehicles. Cooperation between vehicles is mandatory for achieving location privacy preservation. However, non-cooperative vehicles can be a big issue to achieve this objective. To this end, we propose a novel monetary incentive scheme for cooperative location privacy preservation in 5G-enabled Vehicular Fog Computing. This scheme leverages a consortium blockchain-enabled fog layer and smart contracts to ensure a trusted and secure cooperative Pseudonym Changing Processes (PCPs). We also propose optimized smart contracts to reduce the monetary costs of vehicles while providing more location privacy preservation. Moreover, a resilient and lightweight Utility-based Delegated Byzantine Fault Tolerance (U-DBFT) consensus protocol is proposed to ensure fast and reliable block mining and validation. The performance analysis shows that our scheme has effective incentive techniques to stimulate non-cooperative vehicles and provides optimal monetary cost management and secure, private, fast validation of blocks.
Disciplines :
Computer science
Author, co-author :
Boualouache, Abdelwahab ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > PI Engel
Sedjelmaci, Hichem
Engel, Thomas ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Computer Science (DCS)
External co-authors :
yes
Language :
English
Title :
Consortium Blockchain for Cooperative Location Privacy Preservation in 5G-enabled Vehicular Fog Computing
Publication date :
2021
Journal title :
IEEE Transactions on Vehicular Technology
ISSN :
0018-9545
Publisher :
Institute of Electrical and Electronics Engineers, United States
Peer reviewed :
Peer Reviewed verified by ORBi
Focus Area :
Security, Reliability and Trust
European Projects :
H2020 - 814956 - 5G-DRIVE - 5G HarmoniseD Research and TrIals for serVice Evolution between EU and China
Name of the research project :
825496 - 5G-MOBIX - 5G for cooperative & connected automated MOBIility on X-border corridors
Funders :
CE - Commission Européenne [BE]
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