ETSI TR 125 921

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ETSI TR 125 921 English PDF Universal Mobile Telecommunications System (UMTS); Guidelines and Principles for protocol description and error handling (3G TR 25.921 version 3.1.0 Release 1999)

standard published 03/01/2000 by European Telecommunications Standards Institute

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The present document provides a guideline for using formal languages in protocol description of UMTS stage 2 and 3 and rules for error handling. This document covers all interfaces involved in radio access protocols such as Uu, Iu, Iur and Iub.