在V2X通信中对5G NR进行跨层延迟分析
Jorge Horta1, Mario Siller1, Salvador Villarreal-Reyes2
1CINVESTAV Unidad Guadalajara, Zapopan, Jalisco, Mexico.
PloS one
|January 9, 2025
概括
一个新的分析模型评估了5G NR性能,重点关注吞吐量和延迟. 它证实,5G可以在最佳网络条件下满足诸如远程驾驶等应用程序的严格延迟要求.
科学领域:
- 无线通信工程 无线通信工程
- 电信网络分析 电信网络分析
- 性能建模的性能建模.
背景情况:
- 5G网络的目标是前所未有的性能:Gbps速度,小于毫秒的延迟,以及巨大的设备连接.
- 实现5G能力需要新的频谱 (毫米波) 和先进的技术,如大规模的MIMO和光束成形.
- 一个新的无线电接口,5G New Radio (NR) 被设计成具有增强的物理组件和协议.
研究的目的:
- 引入一个分析模型来评估5G NR的性能.
- 描述5G无线电通信中的Layer 1和Layer 2协议的行为.
- 为了使5G NR的性能评估能够在吞吐量和延迟方面进行服务质量 (QoS) 评估.
主要方法:
- 开发一个分析模型来模拟5G NR协议行为.
- 层层的协议分析,以确定性能关键元素.
- 使用模型进行性能评估,以远程驾驶场景为例.
主要成果:
- 该模型准确地描述了5G NR第1层和第2层协议交互.
- 绩效评估指标包括吞吐量和延迟,这对于QoS至关重要.
- 该模型展示了5G在适当的网络条件下,能够满足远程驾驶等应用程序的严格延迟要求的潜力.
结论:
- 开发的分析模型为了解5G NR性能提供了一个细粒度的方法.
- 它有助于识别影响网络性能的关键协议行为.
- 该模型作为评估5G应用中的端到端 (E2E) 通信性能的基础.
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