Abstract: The concept of a packet transmission platform provided in the new international standard ISO 21217, prepared by the ISO/TC204 Technical Committee on Intelligent Transport Systems, is presented. The standard belongs to the family of standards concerning Communications Access For Land Mobiles (CALM). These standards define: a common architecture, network protocols, and wired and wireless interfaces using various access technologies, i.e., 2nd and 3rd generation cellular networks, satellite, infrared, 5GHz microwave, 60GHz millimeter wave, and mobile broadband wireless. The standard presents a common framework architecture according to which ITS stations (ITS-Ss) meeting CALM connectivity requirements are installed; the standard defines the reference architecture used in International Standards from the CALM family. Attention is drawn to selected basic elements of the CALM architecture compliant with ISO OSI principles and to the objectives of the CVIS (Cooperative Vehicle-Infrastructure Systems) project and the scope of its CURB (Cooperative Urban Applications) group. The status and directions of standardization work in the field of ITS conducted in the ISO/TC 204 Technical Committee, which are also carried out in CEN/TC 278 Intelligent Transport Systems, are discussed.
1. INTRODUCTION
Intelligent Transport Systems (ITS), using new telecommunications technologies and utilizing wireless and wired connectivity, should enable the exchange of information between vehicles and infrastructure over a sufficiently wide range and support vehicle traffic control. Technologies used in stationary devices – roadside and in vehicles, help in monitoring and managing road traffic, protect human life, reduce traffic congestion, help in choosing alternative travel routes, improve road transport efficiency, and save time and money.
A system meeting the requirements of [9] uses applications with control and connectivity management functions, modern internet technologies, and various types of data transmission adapted to the range and speed of vehicles. (…)
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Source: Logistyka Magazine