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Mobile Edge Computing for V2X Architectures and Applications: A Survey

Lucas Brehon-Grataloup 1, 2 Rahim Kacimi 1 André-Luc Beylot 2 
1 IRIT-T2RS - Temps Réel dans les Réseaux et Systèmes
IRIT - Institut de recherche en informatique de Toulouse
2 IRIT-RMESS - Réseaux, Mobiles, Embarqués, Sans fil, Satellites
IRIT - Institut de recherche en informatique de Toulouse
Abstract : In mobile environments, with the help of larger bandwidths and cloud computing solutions, any task can be offloaded from a mobile user equipment to be handled remotely. However, even though this process is accelerated with every cellular generation, with 5G being no exception, offloading to a faraway centralized cloud implies non-negligible delay. To tackle this issue concerning delay-sensitive applications, mobile edge computing, now denominated as multi-access edge computing (MEC), was brought to light. With cloud resources brought closer to the edge of the network, MEC greatly reduces task offloading delay, thereby striving to satisfy the constraints of real-time applications. As highly demanding mobile applications, vehicular networks are a target to be addressed in terms of performance, especially communication and computation delay. In this article, we establish the specificities of MEC when applied to the Internet of Vehicles (IoV), and survey recent papers studying implementations of MEC relevant to real-time vehicular considerations. We categorize these latest V2X architectures so as to unveil the mechanisms behind their improved performance: network availability and coverage, reliability and loss of network connectivity, large data handling and task offloading. This survey not only provides an initial understanding of the state-of-the-art advancements in the field of MEC-enabled vehicular networks, but also raises open issues and challenges that need to be addressed before enjoying the full benefits of this paradigm.
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Submitted on : Sunday, January 16, 2022 - 10:55:08 AM
Last modification on : Monday, July 4, 2022 - 8:54:33 AM



Lucas Brehon-Grataloup, Rahim Kacimi, André-Luc Beylot. Mobile Edge Computing for V2X Architectures and Applications: A Survey. Computer Networks, Elsevier, In press, 206, ⟨10.1016/j.comnet.2022.108797⟩. ⟨hal-03527598⟩



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