broadband

characteristic of systems that support information transmission rates greater than the primary rate (i.e. consistent with “broadband” as defined in Recommendation ITU-R F.1399)

characteristic of systems that support information transmission rates greater than the primary rate (i.e. consistent with “broadband” as defined in Recommendation ITU-R F.1399)

broadcast pool

data structure broadcast from the RSU to the OBUs

data structure broadcast from the RSU to the OBUs

ISO 29282

CALM – Applications using Satellite

CALM application session

association of two or more parties for the provision of CALM application service and, until its termination, which may involve more than one communication session in order to exchange information (e.g. are involved in a transaction)
NOTE: A CALM application session is not possible unless a communication session is first established
NOTE: An application session will normally involve multiple…

association of two or more parties for the provision of CALM application service and, until its termination, which may involve more than one communication session in order to exchange information (e.g. are involved in a transaction)
NOTE: A CALM application session is not possible unless a communication session is first established
NOTE: An application session will normally involve multiple bidirectional transfers of data, but may be a unidirectional transfer of data.

CALM beaconing

periodic broadcasting of “Beacon Data”.

periodic broadcasting of “Beacon Data”.

CALM communication kernel (CCK)

basic CALM implementation – interface with minimum set of CALM functionality

basic CALM implementation – interface with minimum set of CALM functionality

CALM management entity (CME)

CALM submodul responsible for managing of functions responsible for managing of access to communication medium

CALM submodul responsible for managing of functions responsible for managing of access to communication medium

CALM-aware application

ITS-S application which is capable of supporting features specific to CALM
NOTE: CI selection management is an example.

ITS-S application which is capable of supporting features specific to CALM
NOTE: CI selection management is an example.

carrier frequencies

number and values of the downlink carrier frequencies, which are equal to the frequencies of the continuous wave CW, transmitted by the RSU and used by transponder OBUs for uplink communication; each carrier frequency is the centre frequency of a downlink channel

number and values of the downlink carrier frequencies, which are equal to the frequencies of the continuous wave CW, transmitted by the RSU and used by transponder OBUs for uplink communication; each carrier frequency is the centre frequency of a downlink channel

cell

communication zone/service area of a wireless access point (AP) or base station

communication zone/service area of a wireless access point (AP) or base station

central ITS station; central ITS-S (C-ITS-S)

implementation of an ITS station in a central ITS subsystem

implementation of an ITS station in a central ITS subsystem

certificate

security credential containing information used to verify the identity of the source of the credential, e.g. a manager certificate is sent by the manager of an application to the OBE/WAE and is used by the AME to authenticate the manager; Authentication of the manager is required for further access to the AME

security credential containing information used to verify the identity of the source of the credential, e.g. a manager certificate is sent by the manager of an application to the OBE/WAE and is used by the AME to authenticate the manager; Authentication of the manager is required for further access to the AME

RX/TX-CI

CI capable of operating in receive and transmit mode

RX-CI

CI capable of operating in receive mode only

TX-CI

CI capable of operating in transmit mode only, either broadcast or multicast

CI priority manager

logical entity in a CI that is managing priority queues

logical entity in a CI that is managing priority queues

CIID

CI/VCI identifier presented in a 64-bit EUI field

localCIID

CIID of a local CI

remoteCIID

CIID of a VCI enabling MAC groupcast transmissions and MAC unicast communication

co-channel

refers to the use of a neighbouring DSRC channel by two or more emissions

refers to the use of a neighbouring DSRC channel by two or more emissions

common file

file containing information that is accessible to (and used by) more than one resident application

file containing information that is accessible to (and used by) more than one resident application

communication adaptation layer (CAL)

set of protocols and functions to adapt access technologies to the ITS-S networking and transport layer

set of protocols and functions to adapt access technologies to the ITS-S networking and transport layer

communication initialization

procedure used to establish communication between an RSU and a newly arrived OBU

procedure used to establish communication between an RSU and a newly arrived OBU

communication interface (CI)

instantiation of a specific access technology and ITS-S access layer protocol

instantiation of a specific access technology and ITS-S access layer protocol

CIC

communication interface class

communication module management entity (CMME)

communication module management entity responsible for direct control of communication interface

communication module management entity responsible for direct control of communication interface

communication path

directed sequence of nodes connected by links, starting at a source node and ending at one or more destination nodes

directed sequence of nodes connected by links, starting at a source node and ending at one or more destination nodes

IN-SAP

Communication SAP as offered by the CAL to the ITS-S networking & transport layer

communication service access point (C-SAP)

communication service access point interconnecting CALM network layer with interface module

communication service access point interconnecting CALM network layer with interface module

communication session

association of two or more wireless communication devices between which a functional wireless communication link is available for mutual exchange of data/information
NOTE: Application sessions engage in and complete transactions using communication sessions (see “application session”).

association of two or more wireless communication devices between which a functional wireless communication link is available for mutual exchange of data/information
NOTE: Application sessions engage in and complete transactions using communication sessions (see “application session”).