ISO TR 20527:2022 pdf download – Intelligent transport systems — Interoperability between interoperable fare management (IFM) systems and near field communication (NFC) mobile devices.
1 Scope This document presents methods to establish technical interoperability between the contactless interfaces of NFC mobile devices and those of public transport readers and customer media. It provides information on how to apply these for public transport fare management systems which are using ISO/IEC 14443 and/or ISO/IEC 18092 and/or EMV Contactless Interface Specification as a basis for contactless communication. This document deals with the application of standards, specifications and certification schemes from other organizations and standards bodies. These organizations and standards bodies are solely responsible for the content and the maintenance of these standards, specifications and certification schemes. This document focuses on the technical interoperability of the contactless interfaces of NFC mobile devices and public transport devices. The goal is to reliably support communication and the exchange of data. Syntactic and semantic interoperability, i.e. the support for a particular public transport fare management application, is not covered by this document. However, practical experience shows that if technical interoperability is established successfully, the adoption of a specific public transport application can typically be achieved by loading the fare management system’s particular application software onto the NFC mobile device. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO/IEC 10373-6, Cards and security devices for personal identification — Test methods — Part 6: Contactless proximity objects ISO/IEC 14443 (all parts), Cards and security devices for personal identification — Contactless proximity objects ISO/IEC 18092, Information technology — Telecommunications and information exchange between systems — Near Field Communication — Interface and Protocol (NFCIP-1) ISO/IEC 22536, Information technology — Telecommunications and information exchange between systems — Near Field Communication Interface and Protocol (NFCIP-1) — RF interface test methods ISO/IEC 23917, Information technology — Telecommunications and information exchange between systems — NFCIP-1 — Protocol Test Methods ISO 24014-1, Public transport — Interoperable fare management system — Part 1: Architecture ISO/IEC/TS 24192-1, Cards and security devices for personal identification — Communication between contactless readers and fare media used in public transport — Part 1: Implementation requirements for ISO/IEC 14443 (all parts)
5.2 Need for continuous, synchronized maintenance The standards or specifications mentioned in 5.1 are owned and maintained by individual bodies and working parties. In order to guarantee interoperability for current and future versions, the responsible bodies establish continuous working relationships that support alignment and synchronization before any changes are released. Liaisons which established harmonization of contactless specification releases are in place between the bodies that maintain the NFC Forum specifications, the ISO/IEC TS 24192 series, ISO/IEC 18092 and the EMV Contactless Interface Specification, as well as the related communication signal interfaces. The continuous working relationships between these specification bodies ensures future-proofed interoperability between PT devices and NFC mobile devices.

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