Kind: Subsystem

Class: Field

Type: System

Roadside Communications Unit

Overview

The 'Roadside Communications Unit' provides wireless communications between roadside infrastructure and nearby equipped vehicles. Communications with adjacent field equipment (including other RCUs) and back office centers that monitor and control the RCU are also supported. It provides basic radio communications supporting the lower layers of the OSI stack (TransNet and SubNet layers of the ARC-IT communications model). See also 'Connected Vehicle Roadside Equipment' that extends the basic RCU radio communications functionality with a full communications stack and support for locally installed ITS Applications



This physical object is included in the following Service Packages:

Functionality

Functional Object
RCU Radio Communications

Security

This physical object has the following security levels for the associated service packages.

Physical Object Security
Security Class Confidentiality Integrity Availability Service Package
Class 5 High High High ITS Communications



Interfaces Diagram

Interfaces diagram

Standards

The following table lists the standards associated with the physical object itself (as opposed to standards associated with an interface). For standards related to interfaces, see the specific information flow triple pages.

Name Title
CTI 4001 RSU Dedicated Short-Range Communications Roadside Unit Specifications (FHWA-JPO-17-589)