论文标题
DSRC广播中缓解拥塞的新型退缩机制
Novel Backoff Mechanism for Mitigation of Congestion in DSRC Broadcast
论文作者
论文摘要
由于美国联邦通信委员会（FCC）最近对5.9 GHz乐队的重新分配，因此不可避免的是，专用的短程通信（DSRC）和Cellular Devellular the Welly To Averything（C-V2X），两种用于V2X的代表性技术，必须解决共存。尤其是，DSRC的分布性质使得由于异步结构而导致控制拥塞并不琐碎，这使得传播控制信号的效率低下。为此，我们提出了一种“减轻”分布式V2X网络的方法。从技术上讲，是根据暂时暴露的事故风险的水平来分配向后计数器。我们提供基于时空分析的分析框架。数值结果表明，成功传递基本安全消息（BSM）的改善。
Due to the recent re-allocation of the 5.9 GHz band by the US Federal Communications Commission (FCC), it will be inevitable that dedicated short-range communications (DSRC) and cellular vehicle-to-everything (C-V2X), two representative technologies for V2X, have to address coexistence. Especially, the distributed nature of DSRC makes it not trivial to control congestions due to an asynchronous structure, which makes it inefficient to disseminate a controlling signal. To this end, we propose a method to "lighten" a distributed V2X networking. Technically, it is to allocate the backoff counter according to the level of an accident risk to which a vehicle is temporarily exposed. We provide an analysis framework based on a spatiotemporal analysis. The numerical results show the improvement in the successful delivery of basic safety messages (BSMs).
