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Collaborative Computing: Networking, Applications and Worksharing. 19th EAI International Conference, CollaborateCom 2023, Corfu Island, Greece, October 4-6, 2023, Proceedings, Part I

Research Article

Roadside IRS Assisted Task Offloading in Vehicular Edge Computing Network

Cite
BibTeX Plain Text
  • @INPROCEEDINGS{10.1007/978-3-031-54521-4_20,
        author={Yibin Xie and Lei Shi and Zhehao Li and Xu Ding and Feng Liu},
        title={Roadside IRS Assisted Task Offloading in Vehicular Edge Computing Network},
        proceedings={Collaborative Computing: Networking, Applications and Worksharing. 19th EAI International Conference, CollaborateCom 2023, Corfu Island, Greece, October 4-6, 2023, Proceedings, Part I},
        proceedings_a={COLLABORATECOM},
        year={2024},
        month={2},
        keywords={Intelligent Reflecting Surface Vehicular Edge Computing Task Offloading Resource Allocation},
        doi={10.1007/978-3-031-54521-4_20}
    }
    
  • Yibin Xie
    Lei Shi
    Zhehao Li
    Xu Ding
    Feng Liu
    Year: 2024
    Roadside IRS Assisted Task Offloading in Vehicular Edge Computing Network
    COLLABORATECOM
    Springer
    DOI: 10.1007/978-3-031-54521-4_20
Yibin Xie1, Lei Shi1,*, Zhehao Li1, Xu Ding1, Feng Liu1
  • 1: School of Computer Science and Information Engineering, Hefei University of Technology
*Contact email: shilei@hfut.edu.cn

Abstract

Vehicular edge computing (VEC) has been recognized as a promising technique to process delay-sensitive vehicular applications. Nevertheless, in order to accommodate the rapid growth in the number of connected vehicles, it’s inevitable that there will be an increasing deployment of conventional infrastructure with limited communication ranges. This could potentially lead to escalating costs and impede the full realization of the VEC system. In this paper, a roadside intelligent reflecting surface (IRS) assisted VEC network is introduced, where the IRS is deployed outside the coverage of roadside units (RSUs) to extend the service range. Furthermore, the maximum total number of successful offloading tasks problem within the scheduling time problem is formulated, encompassing the optimization of offloading decisions, computation resource allocation and phase shift of IRS. To tackle the formulated challenging problem, we first decouple the original problem into two subproblems. Then, a heuristic algorithm is proposed, where a many-to-one matching algorithm is proposed to joint optimize offloading decision and the computation resource, and an iterative algorithm is utilized to optimize the phase shift coefficients of IRS. The simulation results validate the effectiveness of the proposed algorithm in comparison to other schemes, and the IRS can effectively maintain network performance even when there are intervals in RSU coverage areas.

Keywords
Intelligent Reflecting Surface Vehicular Edge Computing Task Offloading Resource Allocation
Published
2024-02-23
Appears in
SpringerLink
http://dx.doi.org/10.1007/978-3-031-54521-4_20
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