Liang Zhao
Novel Lagrange Multipliers-Driven Adaptive Offloading for Vehicular Edge Computing
Zhao, Liang; Li, Tianyu; Meng, Guiying; Hawbani, Ammar; Min, Geyong; Al-Dubai, Ahmed; Zomaya, Albert
Authors
Tianyu Li
Guiying Meng
Ammar Hawbani
Geyong Min
Prof Ahmed Al-Dubai A.Al-Dubai@napier.ac.uk
Professor
Albert Zomaya
Abstract
Vehicular Edge Computing (VEC) is a transportation-specific version of Mobile Edge Computing (MEC) designed for vehicular scenarios. Task offloading allows vehicles to send computational tasks to nearby Roadside Units (RSUs) in order to reduce the computation cost for the overall system. However, the state-of-the-art solutions have not fully addressed the challenge of large-scale task result feedback with low delay, due to the extremely flexible network structure and complex traffic data. In this paper, we explore the joint task offloading and resource allocation problem with result feedback cost in the VEC. In particular, this study develops a VEC computing offloading scheme, namely, a Lagrange multipliers-based adaptive computing offloading with prediction model, considering multiple RSUs and vehicles within their coverage areas. First, the VEC network architecture employs GAN to establish a prediction model, utilizing the powerful predictive capabilities of GAN to forecast the maximum distance of future trajectories, thereby reducing the decision space for task offloading. Subsequently, we propose an real-time adaptive model and adjust the parameters in different scenarios to accommodate the dynamic characteristic of the VEC network. Finally, we apply Lagrange Multiplier-based Non-Uniform Genetic Algorithm (LM-NUGA) to make task offloading decision. Effectively, this algorithm provides reliable and efficient computing services. The results from simulation indicate that our proposed scheme efficiently reduces the computation cost for the whole VEC system. This paves the way for a new generation of disruptive and reliable offloading schemes.
Citation
Zhao, L., Li, T., Meng, G., Hawbani, A., Min, G., Al-Dubai, A., & Zomaya, A. (online). Novel Lagrange Multipliers-Driven Adaptive Offloading for Vehicular Edge Computing. IEEE Transactions on Computers, https://doi.org/10.1109/TC.2024.3457729
Journal Article Type | Article |
---|---|
Acceptance Date | Aug 28, 2024 |
Online Publication Date | Sep 11, 2024 |
Deposit Date | Aug 29, 2024 |
Publicly Available Date | Sep 11, 2024 |
Print ISSN | 0018-9340 |
Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
Peer Reviewed | Peer Reviewed |
DOI | https://doi.org/10.1109/TC.2024.3457729 |
Keywords | Vehicular Edge Computing, Result Feedback, Task Offloading, Resources Allocation, Swarm Intelligence |
Publisher URL | https://www.computer.org/ |
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Novel Lagrange Multipliers-Driven Adaptive Offloading for Vehicular Edge Computing (accepted version)
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