Abbreviations

Results for area 1.5 Data communication elements

term
on-board equipment (OBE)
definition

equipment installed in a vehicle that exchanges information via one or more radio communication interfaces with other OBE or WAE

term
on-board unit (OBU)
definition

OBU minimum component of an on-board equipment, whose functionality always includes at least the support of the DSRC interface

term
point of observation (PoO)
definition

interface, or in general identifiable access to a system, where conformance can be stated and verified

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term
personalization card
definition

set-up card IC card to transcribe individual data such as vehicle information into On-Board Equipment

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term
roadside unit (RSU)
definition

roadside equipment that controls signals and provides information, e.g. the signal controllers and the information board controllers

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term
mobile roadside equipment
definition

<compliance checking communication> roadside equipment located on-board special vehicles using or standing near the road transport network or hand-held equipment, for the purpose of communication and data exchange with the on-board equipment of passing vehicles

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term
front end
definition

part(s) of the toll system where road usage data for an individual road user are collected, processed and delivered to the Back End

NOTE to entry The Front End comprises the on-board equipment and an optional proxy.

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term
fixed roadside equipment
definition

roadside equipment installed at a fixed position along the road transport network, for the purpose of communication and data exchange with the on-board equipment of passing vehicles

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term
proxy
definition

optional component of the Front End that communicates with on-board equipment and processes road usage data into a format compliant with ISO TS 17575 and delivers the data to the Back End

term
front end application
definition

part of the Front End above the API

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term
central communication unit
definition

part of the central equipment serving as a mobile communication interface to the OBE

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term
back end
definition

generic name for the computing and communication facilities of the Service Provider and/or the Toll Charger

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term
central equipment
definition

system components at fixed centralized locations

NOTE Central equipment is not the same as central system. Central equipment is used in the GNSS/CN based EFC system.

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term
EFC equipment
definition
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term
value units bearing device (VBD)
definition

device in the hand of the Service user that contains value units

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term
session
definition

exchange of information and interaction occurring at a specific electronic fee collection station between the roadside equipment and the user/vehicle

term
channel
definition

information transfer path

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term
interface
definition

abstraction of the behaviour of an object that consists of a subset of the interactions of that object together with a set of constraints on when they may occur

term
service primitive
definition

elementary communication service provided by the application layer protocol to the application processes

NOTE 1 to entry: The invocation of a service primitive by an application process implicitly calls upon and uses services offered by the lower protocol layers.

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