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International Standards For Transportation Systems
The transport system is among the most sought after businesses in the 21st century. When this area, regardless of the introduction of a huge number of innovative technologies, is directly responsible for human health, then a significant number of regulatory records are made specifically for this business. Among the most demanded types of acts today are ISO international standards. If the transport industry directly or indirectly impacts the scope of the action, the access to these international documents will allow you to be certain all possible risks are foreseen by you along with the vector of development on an global scale won't be a problem for you. Below we'll offer a number of the most relevant standards in the transport industry now.

Intelligent transport systems- Traffic and travel information messages via traffic message coding- Part 1: Coding protocol for Radio Data System- Traffic Message Channel (RDS-TMC) using ALERT-C (ISO 14819-1:2021) EN ISO 14819-1:2021
The issues of regulating the transfer of information in the 21st century are applicable not just for data technology, but also for different branches of human activity, one of which will be transport systems. To regulate information security problems within this class, such an international standard as EN ISO 14819-1: 2021 was created.

The ALERT-C protocol is designed to provide largely event-oriented road end-user information messages. This document specifies the messages which are presented to the user in accordance with a set of overall requirements. The message management element of the document describes the message direction functions of RDS-TMC. User messages are those possibly known to the end-user, as defined in Clause 5. System messages are of use only to the RDS-TMC terminal, for information management functions. finest international standards details here.

RDS-TMC information includes both'system info' and'user messages'. System information relates to the TMC support and details the parameters which the terminal needs to be able to discover, identify and decode the TMC information. System information is transmitted in form 3A classes and in type 8A groups. User messages include the facts of the traffic occasions; those can use one or more kind 8A groups. Most messages may be transmitted using one type 8A group, however messages with much more detail (e.g. diversion information ) may use up to a total of five, type 8A groups.

The transmission component of the document conveys the messages over-air. The ALERT-C protocol, used by RDS-TMC, has the fundamental approach of organizing to code most messages entirely inside a single RDS group. The ALERT-C Event List, which contains all event descriptions, is described in ISO 14819-2. This global document has a massive number of technological features and parameters that make it feasible to clearly determine whether this standard is suitable for you or not. If the above technologies are utilized by you to your indirect or main activity, we strongly recommend that you listen to the global standard and think about its mandatory presence in the technological and scientific base of your business.

Electronic fee collection- Test procedures for user and fixed equipment- Part 2: Conformance test for the on-board unit application interface (ISO 14907-2:2021) EN ISO 14907-2:2021
We've already cited more than once about the significance of such a stage as evaluation methods, in addition to research and drawing conclusions by the empirical method. To prevent the negative consequences of incorrect conclusion as a consequence of testing a specific product, such international documents and standards are created, including, for example, EN ISO 14907-2: 2021. This document describes tests which verify on-board unit (OBU) conformance of functions and data structures implementations, as described in the implementation conformance statement (ICS) based on ISO 14906 for EFC applications.

This document defines tests for analyzing OBU conformance in terms of:

-- basic committed short-range communication (DSRC) L7 functionality,
-- EFC program works,
-- EFC features (i.e. EFC application data ),
-- the addressing procedures of EFC characteristics and (hardware) components,
-- the EFC transaction model, which defines the common components and measures of any EFC trade, and
-- the behavior of the interface so as to support interoperability within an EFC-DSRC program interface level.

Following the evaluations of isolated data items and works (C.2 to C.4), an illustration is given for analyzing a complete EFC transaction (C.3). Though this record defines examples of test cases for DSRC and EFC performance (see Annex C), it doesn't mean to define an entire test suite for some implementation. To write a test package for a particular EFC implementation, the test cases can be altered and new test instances could be defined and added in order for the conformance test suite to be complete. It can be useful to consider the following when defining an entire test package:

-- small range:"comprehensive testing" of critical interoperability/compatibility features,
-- large range: testing of bounds and arbitrary values, and
-- composite types: testing of individual objects in sequence or parallel.

This document Doesn't define tests which assess:
-- functionality,

-- reliability of an implementation.

NOTE 1 ISO 14907-1 defines evaluation procedures that are targeted at assessing functionality, robustness and reliability of EFC systems and equipment.

NOTE 2 The ISO/IEC 10373 series defines test methods for proximity, vicinity, integrated circuit(s) cards and related devices which could be relevant for OBUs that encourage such cards.

Annex D gives an educational summary of Japanese on-board equipment (OBE) conformance evaluations which are based on the ISO 14907 series, so as to illustrate how these can be applied in practice. This International Standard refers to related records in the industry and contains specific recommendations prescribed for its own implementation. If you're thinking about building a complete complex in accordance with the most recent international requirements, we suggest that you familiarize yourself with all international standards of the transport system business and choose files that qualitatively complement each other.

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[FrankJScott]

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