基于概率的转发方案,对C-V2X多环通信进行边界优化
Zhonghui Pei1, Long Xie1, Jingbin Lu1
1School of Computer Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China.
Sensors (Basel, Switzerland)
|January 10, 2026
概括
本研究介绍了车辆互联网 (IoV) 的优化转发方案,以减少在密集交通中冗余的紧急消息传输. 新方法改善了包裹交付和减少转发比率,提高了道路安全.
科学领域:
- 智能运输系统 智能运输系统
- 车辆通信网络 车辆通信网络
- 网络可靠性 网络可靠性
背景情况:
- 车辆互联网 (IoV) 通过车辆通信实现智能交通系统和道路安全.
- 在密集的交通中广播紧急消息会导致转发冗余并影响通信可靠性.
- 现有的基于概率的转发方案在接近传输极限时面临边界冗余问题.
研究的目的:
- 为了解决 IoV 紧急消息广播中的边界转发冗余问题.
- 提出和评估基于概率的方案,以优化车辆间通信的边界.
- 提高车辆网络中紧急信息传播的可靠性和效率.
主要方法:
- 分析在单跳传输半径边界附近的转发行为.
- 开发两个基于概率的方案,优化转发概率和边界之外的退出计时器.
- 实验性评估,将拟议方案与参考方法进行比较.
主要成果:
- 拟议的方案大大减少了紧急消息的转发冗余.
- 方案 (1) 优化了边界之外的转发概率,在使用节点时减少冗余.
- 方案 (2) 使用边界之外的基于距离的后退计时器来进一步减少冗余性.
- 与未经优化方案相比,拟议的方案 (1) 和 (2) 提高了单跳数据包交付比率5.41%和11.83%,并降低了多跳转发率,分别为18.07%和36.07%,车辆密度为0.18辆/小时.
结论:
- 优化的边界转发方案有效地减轻了IoV紧急消息广播中的冗余性.
- 建议的方法保持良好的单跳和多跳传输性能.
- 这些进步有助于更可靠,更有效的智能运输系统.
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