ETSI TS 125 303

ETSI TS 125 303
ETSI TS 125 303 English PDF Universal Mobile Telecommunications System (UMTS); Interlayer Procedures in Connected Mode (3G TS 25.303 version 3.2.0 Release 1999)

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

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Full Description

This document defines the UE States and the principal tasks undertaken by the UE when in Connected Mode. It includes informative interlayer procedures for the UE to perform the required tasks. This document attempts to provide a comprehensive overview of the different states and transitions within the connected mode of a UMTS terminal. The applicable set of states for a given service may be a subset of the total set of possible states. In addition to describing the states and related transitions, this document describes all procedures that assign, reconfigure and release radio resources. Included are e.g. procedures for transitions between different states and substates, handovers and measurement reports. The emphasis is on showing the combined usage of both peer-to-peer messages and interlayer primitives to illustrate the functional split between the layers, as well as the combination of elementary procedures for selected examples. The peer-to-peer elementary procedure descriptions are described in the related protocol descriptions /1, 2, 3/ and they are thus not within the scope of this document.

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