168Accesses
Abstract
Vehicular fog computing has emerged as a promising paradigm that provisions computing at the network edge and alleviates the computation workload of static edge computing servers. In this regard, building computing facilities on top of jammed vehicles is particularly attractive and practically viable. However, the respective offloading mechanisms and resource sharing have been less explored. In this work, we propose a novel jammed vehicular cloudlet (JVC) assisted task offloading framework that aggregates and leverages underutilized communication and computation resources of congested vehicles and nearby road side unit to serve resource-intensive tasks of mobile users. To motivate resource provisioning by the JVCs in a non-competitive environment, we design an incentive mechanism that charges offloading user and rewards the serving JVC. With aim to maximize the total profit earned by JVCs, we formulate joint task assignment and resource allocation problem in presence of data segmentation, task deadline, and budget constraints. The formulated problem is mixed integer non-linear programming problem, and we directly obtain its solution using genetic algorithm (GA). We further devise a greedy fractional-knapsack based resource allocation scheme named profit-aware task scheduling (PATS). The extensive evaluation under realistic human mobility trajectories demonstrates that, GA outperforms other baseline schemes in maximizing the total profit of JVCs while PATS achieves comparable performance and serves more users with much lower computation complexity.
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Data availibility
The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.
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Beijing National Research Center for Information Science and Technology (BNRist), Department of Electronic Engineering, Tsinghua University, Beijing, 100084, China
Umber Saleem, Tong Li & Yong Li
School of Electronic Engineering, Dublin City University, Dublin, Ireland
Sobia Jangsher
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US desgined, implemented and wrote the manuscript with support from Dr. SJ and Dr. TL. Dr. YL conceived the original idea and supervised the research. All authors discussed the results and contributed to the final manuscript.
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Correspondence toTong Li.
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Saleem, U., Jangsher, S., Li, T.et al. Profit optimized task scheduling for vehicular fog computing.Wireless Netw31, 759–777 (2025). https://doi.org/10.1007/s11276-024-03784-4
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