Physical Object: Roadside Communications Unit

RCU Radio Communications

Overview
Requirements
Information Flows
Standards

Overview

'RCU Radio Communications' provides basic radio communications between roadside infrastructure and nearby equipped vehicles and mobile devices. Communications with adjacent field equipment (including other RCUs) and back office centers that monitor and control the RCU are also supported. It supports the lower layers of the OSI stack, specifically the TransNet and SubNet layers of the ARC-IT communications model. Message relay capabilities are also included to improve radio communications range, reliability, and performance.

This functional object is included in the "Roadside Communications Unit" physical object.

This functional object is included in the following service packages:

SU07: ITS Communications

This functional object is mapped to the following Functional View PSpecs:

10.6.2.3: Provide Roadside Communications Services

Requirements

#	Requirement
01	The field device shall provide radio communications between roadside infrastructure and nearby equipped vehicles.

Information Flows

Source	Flow	Destination
ITS Object	ITS information	Roadside Communications Unit
Other ITS Objects	local ITS information	Roadside Communications Unit
Roadside Communications Unit	ITS information	ITS Object
Roadside Communications Unit	local ITS information	Other ITS Objects
Roadside Communications Unit	local ITS information relay	Other ITS Objects

Standards

Currently, there are no standards associated with the functional object itself though the interfaces may have standards associated with them.