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author:

Lin, Z. (Lin, Z..) [1] | Lin, Y. (Lin, Y..) [2] | Yang, J. (Yang, J..) [3] | Zhang, Q. (Zhang, Q..) [4]

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Scopus

Abstract:

The rapid growth in vehicle data fosters the development of vehicular computational offloading. By exploiting the superiority of non-orthogonal multiple access (NOMA) in the offloading process, NOMA-enabled vehicular computation offloading enables collaborative transmissions of multiple fog nodes and is promising for distributed wireless communications environments. Nonetheless, to the best of our knowledge, the problem of task allocation and resource allocation in NOMA-enabled multipoint collaborative offloading in Vehicular Fog Computing (VFC) still remains open. With this consideration, the NOMA-enabled vehicular fog computing problem is investigated in this work, as well as an energy-efficient NOMA-enabled vehicular computing offloading scheme is proposed. The scheme combines task vehicles, main fog access points (F-APs), idle vehicles, and auxiliary F-APs to collaborate on tasks. However, the corresponding optimization problem turns out to be a non-convex issue. To this end, through in-depth mathematical analysis, the monotonicity of NOMA power allocation is discussed to find the optimal power allocation coefficient. Furthermore, an interior-point method based on successive convex approximation (SCA) is proposed to obtain the sub-optimal solution of task division and bandwidth allocation. Simulations are conducted to validate our analysis and corroborate the effectiveness of the proposed scheme. © 2024, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.

Keyword:

Cooperative computation offloading Energy consumption NOMA VFC

Community:

  • [ 1 ] [Lin Z.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 2 ] [Lin Y.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 3 ] [Yang J.]School of Advanced Manufacturing, Fuzhou University, Quanzhou, China
  • [ 4 ] [Zhang Q.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350108, China

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Source :

Mobile Networks and Applications

ISSN: 1383-469X

Year: 2024

2 . 3 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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