北京邮电大学学报

  • EI核心期刊

北京邮电大学学报 ›› 2018, Vol. 41 ›› Issue (4): 44-50.doi: 10.13190/j.jbupt.2017-256

• 论文 • 上一篇    下一篇

面向车联网实时应用场景的任务卸载决策算法

彭维平, 苏哲, 宋成, 贾宗璞   

  1. 河南理工大学 计算机科学与技术学院, 河南 焦作 454000
  • 收稿日期:2017-12-20 出版日期:2018-08-28 发布日期:2018-10-09
  • 作者简介:彭维平(1979-),男,副教授,硕士生导师;苏哲(1993-),男,硕士生,E-mail:suzhe4285@163.com.
  • 基金资助:
    河南省科技攻关项目(182102110333);河南理工大学博士基金项目(B2012-050)

Task Offloading Decision Algorithm of Real-Time Application for Internet of Vehicles

PENG Wei-ping, SU Zhe, SONG Cheng, JIA Zong-pu   

  1. School of Computer Science and Technology, Henan Polytechnic University, Henan Jiaozuo 454000, China
  • Received:2017-12-20 Online:2018-08-28 Published:2018-10-09

摘要: 为了解决当前车联网中节点处理任务的时效性问题,基于最优节点选取及任务卸载理论,提出了一种新的任务卸载决策方案.该方案对车联网场景下的任务卸载进行建模,构造出具有指向性的节点分布模型,利用最优节点选取算法对该模型进行节点预选取,通过一次或二次任务卸载预判机制,实现节点对任务的卸载决策.与传统的任务卸载决策相比,所提方案在任务卸载全过程中耗时更少,实时性更高.仿真结果验证了所提方法的有效性.

关键词: 车联网, 预选取, 二次任务卸载, 卸载决策

Abstract: In order to solve the problem of the timeliness of nodes processing tasks in the internet of vehicles, a new task offloading decision-making scheme is proposed based on the optimal node selection and task offloading theory. First of all, the task offloading model is built and a directional node distribution model is constructed. Furthermore, the node is pre-selected by using the optimal node selection algorithm. Finally, the task offloading decision is achieved by once or second task offloading pre-judgment mechanism. Compared with the traditional task offloading decision-making, the proposed solution takes less time, and the task Real-time is more higher. Simulation results verify the effectiveness of the proposed method.

Key words: internet of vehicles, pre-selected, second task offloading, offloading decision

中图分类号: