车联网中基于随机网络演算的路由算法Routing algorithm for IoV based on stochastic network calculus
朱国晖,杨瑛
摘要(Abstract):
对车联网中由数据传输带来的时延问题进行研究,提出一种基于随机网络演算的路由选择算法。该算法综合考虑了数据流到达目的节点的随机性与不同数据流之间的干扰性,在建立服务节点的随机服务曲线时,定义了目标数据流与竞争数据流的概念,并分别建立两者的随机严格服务曲线与违约概率函数。利用随机到达曲线与随机服务曲线分析网络时延与积压,继而选择更优的中继节点。仿真结果表明,利用所提算法对中继节点的选择可以有效降低网络时延与积压。
关键词(KeyWords): 车联网;随机网络演算;目标数据流;竞争数据流
基金项目(Foundation): 国家自然科学基金项目(61371087)
作者(Author): 朱国晖,杨瑛
DOI: 10.13682/j.issn.2095-6533.2022.01.002
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