期刊
IEEE INTERNET OF THINGS JOURNAL
卷 8, 期 3, 页码 1347-1357出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JIOT.2020.3010861
关键词
Delays; Resource management; Optimization; Internet of Things; Cloud computing; Channel state information; Sun; Fog computing; optimization; resource allocation; vehicular networks (VNETs)
资金
- National Natural Science Foundation of China [61925101, 61831002, 62001053]
- State Major Science and Technology Special Project [2018ZX03001023]
- Beijing Natural Science Foundation [JQ18016]
- National Program for Special Support of Eminent Professionals
- Fundamental Research Funds for the Central Universities [24820202020RC11]
This study introduces a fog computing-based VNET that optimizes resource allocation to address transmission delays, achieving efficiency and reliability enhancements.
As a typical and prominent component of the Internet of Things, vehicular communication and the corresponding vehicular networks (VNETs) are promising to improve spectral efficiency, decrease transmission delay, and increase reliability. The ever-increasing number of vehicles and the demand of passengers/drivers for rich multimedium services bring key challenges to VNETs, which requiring huge capacity, ultralow delay, and ultrahigh reliability. To meet these performance requirements, a fog computing-based VNET is presented in this article, where the resource allocation as the corresponding key technique is researched. In particular, joint optimization of user association and radio resource allocation scheme is investigated to minimize the transmission delay of the concerned VNET. The proposed optimization problem is formulated as a mixed-integer nonlinear program and transformed into a convex problem by Perron-Frobenius theory and a weighted minimum mean square error method. Numerical results show that the proposed solution can significantly reduce the transmission delay with fast convergence.
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