SN-COMMAND

command issued by the ITS-S security entity and sent to the ITS-S networking and transport layer via the SN-SAP

command issued by the ITS-S security entity and sent to the ITS-S networking and transport layer via the SN-SAP

SN-REQUEST

command issued by the ITS-S networking and transport layer and sent to the ITS-S security entity via the SN-SAP

command issued by the ITS-S networking and transport layer and sent to the ITS-S security entity via the SN-SAP

sub-channel

set of contiguous physical resource blocks

set of contiguous physical resource blocks

SNAP

sub-network access protocol

sub-role

subordinate role consisting of a defined fragment of the superior role

subordinate role consisting of a defined fragment of the superior role

SIM

subscriber identity module

target

legal entity for which data retrieval is requested from the communications service provider (CSP), through the data retention (DR) system

legal entity for which data retrieval is requested from the communications service provider (CSP), through the data retention (DR) system

termination

the procedure used to terminate communication between a RSU and an OBU

the procedure used to terminate communication between a RSU and an OBU

test applications

applications that are used for installing, uninstalling or modifying an application and are pre-installed in the equipment under test (EUT) or the test installer for the application management (AM) conformance test

applications that are used for installing, uninstalling or modifying an application and are pre-installed in the equipment under test (EUT) or the test installer for the application management (AM) conformance test

test equipment

entity used to verify that installation, uninstallation or modification of an application by an installer in OBE or WAE was performed successfully
NOTE: This entity may reside within the installer entity.

entity used to verify that installation, uninstallation or modification of an application by an installer in OBE or WAE was performed successfully
NOTE: This entity may reside within the installer entity.

test installer

installer that is used for the application management (AM) conformance test

installer that is used for the application management (AM) conformance test

test operator

operator who operates the test installer for the application management (AM) conformance test

operator who operates the test installer for the application management (AM) conformance test

TDMA

Time division multiple access

TOPO (TOPO)

name of an ITS message set used to carry information on digital maps covering the area of intersections

name of an ITS message set used to carry information on digital maps covering the area of intersections

TCP

Transmission Control Protocol

transmitter spectrum mask

maximum allowed power within a defined frequency band emitted by the RSU transmitter

maximum allowed power within a defined frequency band emitted by the RSU transmitter

TPEG-RTM

Transport Protocol Expert Group – Road Traffic Messages

TPID

transport protocol identifier

UPER

unaligned packed encoding rules

unconnected; ITS unconnected

characteristic of a material entity that is equipped with communications equipment that is not active or is otherwise unable to send data to or receive data from connected entities

characteristic of a material entity that is equipped with communications equipment that is not active or is otherwise unable to send data to or receive data from connected entities

unequipped; ITS unequipped

characteristic of a material entity that is not and has never been equipped with communications equipment for sending data to or receiving data from connected entities

characteristic of a material entity that is not and has never been equipped with communications equipment for sending data to or receiving data from connected entities

UNIX time

number of seconds passed since 1st January 1970, 00:00 (UTC)
NOTE: This format is also known as “UNIX time”.

number of seconds passed since 1st January 1970, 00:00 (UTC)
NOTE: This format is also known as “UNIX time”.

urban WiFi

short-range networked communications WiFi access technology used mostly in urban environments and in personal devices such as smartphones, tablets and laptops
NOTE 1 to entry: An example of urban WiFi is IEEE 802.11 Basic Service Set (BSS) for WLAN access used in 2,4 GHz or 5,4 GHz frequency range.

short-range networked communications WiFi access technology used mostly in urban environments and in personal devices such as smartphones, tablets and laptops
NOTE 1 to entry: An example of urban WiFi is IEEE 802.11 Basic Service Set (BSS) for WLAN access used in 2,4 GHz or 5,4 GHz frequency range.

user application

software running in a CALM host, or optionally in a CALM router, providing a service to the end user

software running in a CALM host, or optionally in a CALM router, providing a service to the end user

(V)CI identifier

unique identifier of a (virtual) CI

unique identifier of a (virtual) CI

RX-VCI

VCI for reception

UC-VCI

VCI for reception from and transmission to a unicast MAC address

MC-VCI

VCI for transmission to a multicast (group) MAC address

TX-VCI

VCI for unicast transmission

vehicle sensor

device within a vehicle that senses conditions inside and/or outside the vehicle or that detects actions that the driver takes

device within a vehicle that senses conditions inside and/or outside the vehicle or that detects actions that the driver takes