This document specifies: —   the Localized Message (LM) format: an NPDU of a networking & transport layer protocol that does not support routing of a packet through a network; —   the Service Advertisement Message (SAM): an APDU to be transported in an LM, for example; —   the Service Response Message (SRM): an APDU acknowledging a SAM that offered a service based on an ITS application class[2] to be transported in an LM, for example; —   related basic requirements for procedures. Specifications are partly done by normative references to IEEE 1609.3(TM)-2016. NOTE      These message format specifications and basic procedures need to be complemented by complete procedures and SAP specifications according to the context of usage, i.e. an ITS station specified in ISO 21217, or a WAVE device specified in IEEE 1609.0[13] or any other context.

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This document describes the communications reference architecture of nodes called "ITS station units" designed for deployment in intelligent transport systems (ITS) communication networks. The ITS station reference architecture is described in an abstract manner. While this document describes a number of ITS station elements, whether or not a particular element is implemented in an ITS station unit depends on the specific communication requirements of the implementation. This document also describes the various communication modes for peer-to-peer communications over various networks between ITS communication nodes. These nodes can be ITS station units as described in this document or any other reachable nodes. This document specifies the minimum set of normative requirements for a physical instantiation of the ITS station based on the principles of a bounded secured managed domain.

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This document provides specification on the ITS-Station (ITS-S) access layer for a communication interface (CI) named "ITS-LTE-D2D". This specification is appropriate in the context of LTE-D2D communications that are being used for the dissemination of ITS information from an ITS-SU to other ITS-SUs, where these ITS-SUs can be either vehicle ITS-SUs, roadside ITS-SUs, or personal ITS-SUs, as specified in ISO 21217. It provides a combination of options from relevant ETSI/3GPP releases and ITS-station management standards in ISO 24102 to enable and achieve this objective. ITS-LTE-D2D CIs are based on the evolved-universal terrestrial radio access network (E-UTRAN) device-to-device (LTE-D2D) technology standardized at 3GPP Release 13. This document enables the use of the LTE-D2D technology as an ITS access technology in an ITS station by reference to respective specifications from 3GPP, and by specifying details of the Communication Adaptation Layer (CAL) and the Management Adaptation Entity (MAE) of CIs specified in ISO 21218.

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This document specifies OCC (Optical Camera Communication) as an access technology for localized communications applicable in ITS stations conforming with ISO 21217. OCC access technology is specified for the implementation context of ISO 21218. This document provides specifications of a communication interface (CI) named "ITS-OCC". This document specifies the additions to and deviations from IEEE 802.15.7:2018 which are required in order to make ITS-OCC CIs compatible with: — the ITS station and communication architecture specified in ISO 21217, and — the hybrid communications support specified in ISO 21218. This document specifies: — an OCC profile of IEEE 802.15.7:2018 for usage in C-ITS; — details of CAL (ISO 21218); and — details of MAE (ISO 21218, ISO 24102-3). NOTE Considering safety-related services involving communications between a vehicle and a roadside station being performed on the basis of OCC, it is noted that, due to shadowing, communications can be interrupted or blocked for a significantly long time.

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This document specifies the fast service announcement protocol (FSAP) for general purposes in ITS. It references and supports all features of ISO/TS 16460, especially supporting the service response message (SRM) and related features in addition to the service announcement message (SAM), which enables only very basic features. FSAP supports locally advertised ITS services uniquely identified by an ITS application identifier (ITS-AID). This document specifies message formats and related basic protocol procedures by reference to ISO/TS 16460, and further related protocol requirements for operation of FSAP in the context of an ITS station specified in ISO 21217. This document illustrates its relations to service announcement protocols specified by ETSI TC ITS and IEEE.

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This document specifies a service architecture that defines the framework and domain for classification of probe vehicle systems (PVS), which are systems that collect probe data from private vehicles and that process the probe data statistically towards useful information that finally can be provided to end users. This document focuses on services that can be developed using public sector probe data that are generated by vehicles. It specifies the following items related to PVS: — service framework of probe vehicle systems; — definition of service domain of PVS.

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This document provides specifications related to the ITS-S access layer for a communication interface (CI) named "ITS-LTE-V2X". ITS-LTE-V2X CIs are based on the evolved-universal terrestrial radio access (E-UTRA) vehicle-to- everything (LTE-V2X) technology standardized at 3GPP. This document enables usage of the LTE-V2X technology as an ITS access technology in an ITS station by reference to respective specifications from 3GPP, and by specifying details of the "Communication Adaptation Layer" (CAL) and the "Management Adaptation Entity" (MAE) of communication interfaces specified in ISO 21218.

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This document specifies elements of communications for localized communications in ITS. In particular, the following architectures, procedures and protocols are specified: — support of communication interfaces (DSRC-CI) using the DSRC application layer specified in ISO 15628; — support of ISO 15628 DSRC applications via an ITS access technology suited for localized communications.

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This document specifies the management service access points, i.e. the service access points of — the interfaces between the ITS-S management entity and — the ITS-S access layer (MI-SAP), — the ITS-S networking & transport layer (MN-SAP), — the ITS-S facilities layer (MF-SAP); — the interfaces between the ITS-S security entity and — the ITS-S access layer, — the ITS-S networking & transport layer, — the ITS-S facilities layer; — the interface between the ITS-S management entity and the ITS-S security entity (MS-SAP) — the interfaces between the ITS-S application entity and — the ITS-S management entity (MA-SAP), — the ITS-S security entity (SA-SAP).

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This document provides specifications for secure ITS station-internal management communications.

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This document provides specifications for intelligent transport systems (ITS) station management to be in conformance with the ITS station reference architecture. Local ITS station management protocols are specified by means of management processes, and data that are exchanged between the station management entity and — the ITS Applications entity above the API, — the Security entity, and — the various communication protocol layers: — access; — networking & transport; — facilities. of the ITS station architecture specified in ISO 21217:2014 and illustrated in Figure 1.

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This document provides specifications for intelligent transport systems (ITS) station management to conform with the ITS station reference architecture. Remote ITS station management is specified by means of protocol data units (PDUs) and procedures of the "Remote ITS Station Management Protocol" (RSMP) related to managed objects in an ITS station communication unit. Distinction is made between managed entities (management clients) and managing entities (management servers).

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This document specifies the basic rules to be considered by service providers handling privacy in probe vehicle information services. This document is aimed at protecting the privacy as well as the intrinsic rights and interests of the probe data subjects specified in ISO 24100:2010. This document specifies the following items related to probe vehicle systems (PVS), i.e. systems collecting probe data from private vehicles and processing these probe data statistically towards useful information that can be provided to various end users: — architecture of the PVS in support of appropriate protection of data integrity and anonymity in the PVS; — security criteria and requirements for the PVS, specifically requirements for data integrity protection and privacy; — requirements for correct and anonymous generation and handling of probe data.

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This document specifies the "Fast Networking & Transport Protocol" (FNTP) of the ITS-S networking & transport layer. FNTP is in support of efficient localized communications distinguishing networking related features and transport related features. FNTP is extendible in the future without breaking binary backward compatibility. This document specifies - message formats and related basic protocol procedures by reference to ISO TS 16460, and - further requirements for operation of FNTP in the context of an ITS station specified in ISO 21217.

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This document specifies general technical details related to the access layer of the ITS station reference architecture specified in ISO 21217 including: — the service access point (SAP) of a communication interface (CI) as provided by the communication adaptation layer (CAL) for communication, named IN-SAP, and related service primitives and service primitive functions; — the SAP provided by the CI management adaptation entity (MAE) for management of the communication interface, named MI-SAP, and related service primitives by reference to ISO 24102‑3, and service primitive functions.

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This document provides specifications of a communication interface (CI) named "ITS-M5". The name "ITS-M5" indicates microwave frequency bands in the range of 5 GHz. ITS-M5 CIs are based on the wireless LAN technology standardized at IEEE. This document specifies the additions to and deviations from IEEE Std 802.11?-2016 required to make ITS-M5 CIs compatible with the ITS station and communication architecture specified in ISO 21217.

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This document specifies parameters and procedures for the ITS station management entity to manage data flows and routing paths associated with available communication resources in an ITS station, and to map data flows to routing paths.

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ISO/TR 18317:2017 provides the outcome of discussions on use case scenarios and assumed requirements for using ad-hoc wireless networks under disaster and emergency conditions including related priority, security and urgency aspects of communication requirements.

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ISO 19080:2016 describes the CoAP facilities between two or more ITS stations communicating over the global internet communication network. It is assumed that the reader is familiar with IETF specifications found in request for comments (RFCs) of individual CoAP and 6LoWPAN protocol blocks used within this document. This document does not define a new protocol, a new exchange of messages at the CoAP layer, or new data structures. It defines how protocols standardized by IETF are combined so that ITS stations can communicate with one another using CoAP. Procedures defined to share information between the CoAP layer and other components of the ITS station architecture are defined in ISO 24102 series (Management). In addition to the requirements specified within this document, a number of notes and examples are provided to illustrate CoAP main facilities.

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ISO 19079:2016 describes the networking protocol functionality related to 6LoWPAN networking between two or more ITS stations communicating over the global Internet communication network. It is assumed that the reader is familiar with IETF specifications found in "Request for Comments" (RFCs) 4944, 6282 and 2460 for 6LoWPAN and IPv6 protocols respective blocks used within this document. This document does not define a new protocol, neither does it define new abstraction for exchange of messages at the 6LoWPAN layer nor does it define new data structures. It, however, illustrates how the IETF protocols are combined to allow seamless communication among both heterogeneous and homogeneous ITS stations using 6LoWPAN. The 6LoWPAN family of protocols defined in this document as the Internet of Things Management Service Entity (IoT MSE) is integrated within the ITS station reference architecture as a new protocol block of the ITS station Networking and Transport layer. The procedures defined to share information between the IoT MSE block of the ITS station networking and transport protocols and other components of the ITS station architecture will be defined in the ISO 24102 series. ISO 24102 series includes the specifications for ITS station management, which are standardized to be compliant with the ITS station reference architecture and related standards. In addition to the requirements described within this document, a number of notes and examples are provided to illustrate the IoT MSE block and its configuration.

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ISO/TS 16460:2016 specifies the following: - the Localized Message (LM) format: an NPDU of a networking and transport layer protocol that does not support routing of a packet through a network; - the Service Advertisement Message (SAM): an APDU to be transported in for example, an LM; - the Service Response Message (SRM): an APDU acknowledging a SAM that offered a service based on an ITS application class[8] to be transported in for example, an LM; - the related basic requirements for procedures. Specifications are partly done by normative references to IEEE 1609.3TM-2016.

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ISO 17515-1:2015 enables usage of the E-UTRAN cellular network technology as an ITS access technology in an ITS station by specifying details of the "Communication Adaptation Layer" (CAL) and the "Management Adaptation Entity" (MAE) of communication interfaces specified in ISO 21218, and session management by reference to ISO 25111. Wherever practicable, this part of ISO 17515-1:2015 has been developed by reference to suitable extant standards, adopted by selection.

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ISO 21214:2015 determines the air interface using infrared systems at 820 nm to 1 010 nm. The International Standard provides protocols and parameters for medium range and medium to high speed wireless communications in the ITS sector using infrared systems. Such links are required for quasi-continuous, prolonged, or short communications between the following: - vehicles and the roadside; - between vehicles; - between mobile equipment and fixed infrastructure points; - over medium and long ranges. Vehicles may be moving or stationary. Wherever practicable, this International Standard has been developed by reference to suitable extant International Standards, adopted by selection. Required regional variations are provided. Due account is given to, and made use of, any relevant parts of appropriate communications systems such as Global Positioning Systems (GPS), Digital Audio Broadcasting (DAB), Digital Video Broadcasting (DVB), Radio Local Area Networks (RLANs), Digital Data Broadcasting (DDB), TETRA, FM subcarrier, Mobile Broadband Systems (MBS, W-ATM), Internet Protocols, and DSRC. ISO 21214:2015 - supports data rates of 1 Mbit/s up to 128 Mbit/s (it may also support higher data rates), - supports vehicle speeds to a minimum of 200 km/h (closing speeds could be double this value), - defines or reference environmental parameters relevant to link operation, - supports communication distances to 100 m (it may also support longer communication distances of 300 m to 1 000 m), - supports latencies and communication delays in the order of milliseconds, - is compliant to regional/national regulatory parameters, and - may support other regional/national parameters, as applicable. Application specific requirements are outside the scope of this International Standard. These requirements will be defined in the CALM management and upper layer standards and in application standards. Application specific upper layers are not included in this International Standard but will be driven by application standards (which may not be technology specific).

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ISO 21217:2014 describes the communications reference architecture of nodes called "ITS station units" designed for deployment in intelligent transport systems (ITS) communication networks. The ITS station reference architecture is described in an abstract way. While ISO 21217:2014 describes a number of ITS station elements, whether or not a particular element is implemented in an ITS station unit depends on the specific communication requirements of the implementation. ISO 21217:2014 also describes the various communication modes for peer-to-peer communications over various networks between ITS communication nodes. These nodes may be ITS station units as described in ISO 21217:2014 or any other reachable nodes. ISO 21217:2014 specifies the minimum set of normative requirements for a physical instantiation of the ITS station based on the principles of a bounded secured managed domain.

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ISO 15628:2013 specifies the application layer core which provides communication tools for applications based on DSRC. These tools consist of kernels that can be used by application processes via service primitives. The application processes, including application data and application-specific functions, are outside the scope of ISO 15628:2013. ISO 15628:2013 is named "application layer", although it does not cover all functionality of OSI Layer 7 and it includes functionality from lower layers. It uses services provided by DSRC data link layer, and covers functionality of intermediate layers of the "OSI Basic Reference Model" (ISO/IEC 7498-1). The following subjects are covered by ISO 15628:2013: a) application layer structure and framework; b) services to enable data transfer and remote operations; c) application multiplexing procedure; d) fragmentation procedure; e) concatenation and chaining procedures; f) common encoding rules to translate data from abstract syntax ASN.1 (ISO/IEC 8824-1) into transfer syntax (ISO/IEC 8825‑2:2002) and vice versa; g) communication initialisation and release procedures; h) broadcast service support; i) DSRC management support including communication profile handling; and j) extensibility for different lower layer services and application interfaces. It is outside the scope of ISO 15628:2013 to define a security policy. Some transport mechanisms for security-related data are provided.

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ISO/TS 29284:2012 specifies: 1) reference architecture for event-based probe vehicles which encompasses event-based probe data and standard probe data elements (ISO 22837:2009); 2) basic data framework of event-based probe data reporting, based on ISO 22837:2009; 3) the definition of an initial set of event-based probe data elements. These elements will be commonly used in typical event-based probe data enabled application domains, such as traffic, weather, and safety. Standardizing these event-based probe data elements facilitates the development of probe vehicle systems and the distribution of probe data. This is not intended to be an exhaustive listing of event-based probe data probe data elements. ISO/TS 29284:2012 provides a common framework for defining event-based probe data messages to facilitate the specification and design of probe vehicle systems. It provides concrete definitions of event-based probe data elements. It serves as a supplement to ISO 22837:2009, and specifies additional normative data (probe data elements) that are delivered by an event-based probe data system.

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ISO 21210:2012 specifies networking protocol functionalities related to IPv6 networking between two or more ITS stations communicating over the global Internet communication network. ISO 21210:2012 assumes that the reader is familiar with IETF specifications found in "Request for Comments" (RFCs) of individual IPv6 protocol blocks used within ISO 21210:2012. It does not define a new protocol, a new exchange of messages at the IPv6 layer, or new data structures. It defines how standard IETF protocols are combined so that ITS stations can communicate with one another using the IPv6 family of protocols. Procedures defined to share information between the IPv6 layer and other components of the ITS station architecture are defined in ISO 24102.

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ISO 13183:2012 specifies the architectural communications framework of intelligent transport systems (ITS) for the family of communications access for land mobiles (CALM) related International Standards. The architecture is described in an abstract way with several graphical views and examples. The graphical representations partly follow the ISO open systems interconnection (OSI) principles. In addition to the requirements specified within ISO 13183:2012, a number of notes and examples are provided to illustrate the CALM concept.

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ISO 29282:2011 provides definitions and procedures for the establishment, maintenance and termination of an ITS (intelligent transport systems) communications session within a CALM (communication access for land mobiles) system environment using bi-directional satellite communications. It defines the operation of the medium management adaptation entity (MMAE), which provides the management interface between a proprietary satellite communications medium and the "ITS station management". This enables the "ITS station management" to know the status of the communications medium and control the interface without the need for applications at the ITS station to have any knowledge of the satellite communications interface. The procedures that the "ITS station management" expects to use are also explained. ISO 29282:2011 defines how to connect and disconnect a communication session using satellite communication systems in the context of an application operated within the environment defined in ISO 21217. It supports peer-to-peer modes of communication. Support for broadcast satellite systems is defined in ISO 13183, which provides a common approach for all broadcast media. It supports satellite communications networks that are interconnected with the public network, as well as those which connect via the internet and those which provide a stand-alone capability.

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ISO 29283:2011 specifies the options appropriate for CALM using mobile wireless broadband (MWB) techniques conforming to the IEEE 802.20 air interface and protocol specification recommended by ITU-R M.1801, and specifies the management interface requirements. CALM links are required for quasi-continuous, prolonged and short duration communications between vehicles and the roadside, between vehicles, and between mobile equipment and fixed infrastructure points, over medium and long ranges. Wherever practicable, ISO 29283:2011 has been developed by reference to suitable extant standards, adopted by selection. Required regional variations are provided. Application specific upper layers are not included in ISO 29283:2011, but will be driven by application standards.

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ISO/TS 25114:2010 provides a common framework for defining probe data reporting management (PDRM) messages to facilitate the specification and design of probe vehicle systems and gives concrete definitions of PDRM messages. ISO/TS 25114:2010 also specifies reference architecture for probe vehicle systems and probe data which incorporates PDRM, based on the reference architecture for ISO 22837, and basic data framework for PDRM instructions, which defines specifically necessary conditions for PDRM instructions, and notations of these instructions (in XML).

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ISO/TR 11769:2010 reviews the intelligent transport systems (ITS) landscape and the provisions of data retention (DR) to ITS deployments. In particular, it considers the communications access for land mobiles (CALM) environment and the services offered in the IPv6 domain served by CALM and ITS in general.

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ISO 24101-2:2010 specifies the test system, test cases, test conditions, test procedures and test results for examining the function of the communications access for land mobiles (CALM) application management (AM).

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ISO 24100:2010 states the basic rules to be observed by service providers who handle personal data in probe vehicle information services. This International Standard is aimed at protecting the personal data as well as the intrinsic rights and interests of probe data senders, i.e., owners and drivers of vehicles fitted with in-vehicle probe systems.

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ISO/TR 11766:2010 reviews the ITS landscape and the provisions of lawful interception to ITS deployments. In particular it considers the CALM environment and the services offered in the IPv6 domain served by CALM and ITS in general.

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ISO 25112:2010 selects the options appropriate for CALM using mobile wireless broadband (MWB) techniques conforming to IEEE 802.16, and specifies the management interface requirements. CALM links are required for quasi-continuous, prolonged and short communications between vehicles and the roadside, between vehicles, and between mobile equipment and fixed infrastructure points. Wherever practicable, ISO 25112:2010 has been developed by reference to suitable extant standards, adopted by selection. Required regional variations are provided. Application specific upper layers will not be included in ISO 25112:2010, but will be driven by application standards (which might not be technology specific).

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ISO 25113:2010 selects the options appropriate for CALM using mobile wireless broadband (MWB) techniques conforming to ATIS 0700004-2005 (HC-SDMA) air interface and protocol specification recommended by ITU-R M.1801 and specifies the management interface requirements. CALM links are required for quasi-continuous, prolonged and short communications between vehicles and the roadside, between vehicles, and between mobile equipment and fixed infrastructure points. Wherever practicable, ISO 25113:2010 has been developed by reference to suitable extant standards, adopted by selection. Required regional variations are provided. Application specific upper layers will not be included in ISO 25113:2010, but will be driven by application standards (which might not be technology specific).

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ISO 25111:2009 specifies general requirements for the provision of ITS services, using the CALM architecture and protocols, via the use of public wireless networks [including cellular telephony and mobile wireless broadband (MWB) systems]. In particular, ISO 25111:2009 specifies protocols and parameters that public wireless networks shall include to support prolonged communication links in ITS environments where heterogeneous handovers or media independent handovers (MIH) are either necessary to maintain the link, or desirable as determined by media selection policies, and such handover is provided by the public wireless network. The requirements for the use of CALM via public wireless networks where there is no provision for heterogeneous cell/cell handover (i.e. so-called nomadic services) is not the central focus of ISO 25111:2009, but general requirements to enable the use of such systems, within the limits of the range of a single cell, are also provided. Wherever practicable, ISO 25111:2009 has been developed by reference to suitable extant standards, adopted by selection. Required regional variations are provided. Specifically, for ISO 25111:2009, extant national and International Standards for public wireless networks are adopted by reference and are not redefined herein. Application-specific upper layers are not included in ISO 25111:2009, but will be driven by application standards (which might not be technology specific).

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ISO 24978:2009 deals with intelligent transport systems. ISO 24978:2009 provides a standardized set of protocols, parameters, and a method of management of an updateable "Data Registry" to provide application layers for "ITS Safety messages" using any available wireless media.

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ISO 24103:2009 determines the logical structure of using dedicated short-range communication (DSRC) with an OSI (open systems interconnection) application layer as a CALM medium for IP communications. DSRC to which MAIL is applicable are those with an application layer compliant with ISO 15628, and the standards of such DSRC include the following: ARIB STD-T75 DSRC (Japan); TTAS.KO-06.0025 DSRC in the 5,8 GHz band (Korea); EN 12253 DSRC physical layer using microwave in the 5,8 GHz band, EN 12795 DSRC data link layer and EN 12834 DSRC application layer (Europe).

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ISO 22837:2009 relates to vehicle probe data for wide are communications. It specifies the following. Reference architecture for probe vehicle systems and probe data, which provides a general structure for probe vehicle systems within which a wide range of actual probe vehicle systems can be built whose physical characteristics may differ (e.g., in their choice of communications medium). The reference architecture is used to: clarify the major building blocks and logical interconnections of probe vehicle systems for which this standard will be used; categorize probe data in accordance with the information model described below. Basic data framework for probe data elements and probe data, which defines probe data elements and probe messages, and specifically provides: rules for mapping information models (as defined in ISO 14817) of probe data to probe data elements/messages. The information models show the logical structure of entities and concepts involved in probe data; the required characteristics of probe data elements and probe data messages; the notation for probe data elements/messages (in XML); rules for using core data elements and basic data elements (see below), and extensions of data elements in each application domain. Core data element definitions, which are basic descriptive elements intended to appear in every probe message, i.e. the location and the time at which the probe data was sensed. Initial set of probe data elements, which are commonly used in typical probe data enabled application domains, such as traffic, weather, and safety. Example probe messages, which define how probe data elements are combined to convey information to probe processing centres.

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ISO 21213:2008 determines the air interface options applicable to CALM using third generation (3G) cellular networks. In particular, it specifies protocols and parameters that 3G systems shall include to support prolonged, long-range, high data rate wireless communication links in ITS environments where heterogeneous handovers or media independent handovers (MIH) are either necessary to maintain the link, or desirable, as determined by media selection policies. ISO 21213:2008 provides protocols and parameters for long range, medium speed wireless communications in the ITS sector using third generation cellular communications. Wherever practicable, ISO 21213:2008 has been developed by reference to suitable extant Standards, adopted by selection. Required regional variations are provided. Specifically, for ISO 21213:2008, extant 3G systems, as defined by various international and national standards, are adopted by reference. Application specific upper layers are not included in ISO 21213:2008, but will be driven by application standards (which may not be technology specific).

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ISO 21212:2008 determines the air interface for second generation (2G) cellular networks and 2G systems (e.g. using WAP and I-Mode type protocols) to be compliant to CALM, i.e., requirements that must be met before a 2G system can be incorporated into a CALM system. In particular, it specifies protocols and parameters that 2G systems shall include to support prolonged, long-range, high data rate wireless communication links in ITS environments where heterogeneous handovers or media independent handovers (MIH) are either necessary to maintain the link, or desirable as determined by media selection policies. ISO 21212:2008 provides protocols and parameters for long range, medium speed wireless communications in the ITS sector using second generation cellular communications. Wherever practicable, ISO 21212:2008 has been developed by reference to suitable extant standards, adopted by selection. Required regional variations are provided. Specifically, for ISO 21212:2008, extant 2G systems, as defined by various international and national standards, are adopted by reference. Application-specific upper layers are not included in ISO 21212:2008, but will be driven by application standards (which may not be technology specific).

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ISO 24101-1:2008 specifies structures and methods for application management, including means for installing, uninstalling and updating applications on on-board equipment (OBE) and wireless access equipment (WAE) deployed in a communications access for land mobiles (CALM) network in a reliable and secure manner.

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ISO 15662:2006 provides information as a checklist to consider handling messages that are defined by the application working groups of ISO/TC204, installing systems and selecting suitable wide area communication systems for providing ITS application services.

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This document specifies the "Fast Service Announcement Protocol" (FSAP). FSAP is in support of locally advertised ITS services uniquely identified by an ITS application identifier (ITS-AID). This document specifies message formats and related basic protocol procedures by reference to ISO/TS 16460:2016, and further related protocol requirements for operation of FSAP in the context of an ITS station specified in ISO 21217:2014.

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