V2EX rsu

RSU

Definition / 释义

RSU 常指 Roadside Unit(路侧单元):部署在道路旁的通信设备,用于与车辆车载单元(OBU)或其他基础设施进行无线通信,常见于车联网(V2X)、智能交通系统(ITS),用于发布路况、信号灯信息、预警等。
(也可能指其他领域的缩写,但以上为交通通信领域最常见用法。)

Pronunciation / 发音

/r s ju/

Examples / 例句

The RSU broadcasts speed-limit updates to nearby cars.
RSU 会向附近车辆广播限速更新。

In a V2X pilot program, the RSU aggregates sensor data and sends hazard warnings to vehicles approaching the intersection.
在一个 V2X 试点项目中,RSU 汇聚传感器数据,并向接近路口的车辆发送危险预警。

Etymology / 词源

RSU 是首字母缩略词,来自 Roadside Unit(路侧单元)。该术语随着智能交通与车联网技术(如 DSRC、C-V2X)的发展而普及,用来与车载侧的 OBU 相对应。

Related Words / 相关词

Literary Works / 文学与著作示例

  • IEEE 802.11p 相关标准与论文(车联网通信中常用 RSU/OBU 架构表述)
  • ETSI ITS-G5 技术规范(欧洲 ITS 通信体系中常见 RSU 术语)
  • 美国 NHTSA(国家公路交通安全管理局)V2X 技术报告与试点项目文档(常提及 RSU 部署与功能)
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