Table of Contents

Foreword
1 Scope
  1.1 Normative references
  1.2 Abbreviations
2 General
3 Handover
  3.1 Overall process
  3.2 MS measurement procedure
  3.3 BSS measurement procedure
  3.4 Strategy
4 RF power control
  4.1 Overall process
  4.2 MS implementation
  4.3 MS power control range
  4.4 BSS implementation
  4.5 BSS power control range
  4.6 Strategy
  4.7 Timing
  4.8 Dedicated channels used for a voice group call
      or voice broadcast
5 Radio link failure
  5.1 Criterion
  5.2 MS procedure
  5.3 BSS procedure
6 Idle mode tasks
  6.1 Introduction
  6.2 Measurements for normal cell selection
  6.3 Measurements for stored list cell selection
  6.4 Criteria for cell selection and reselection
  6.5 Downlink signalling failure
  6.6 Measurements for Cell Reselection
  6.7 Release of TCH and SDCCH
  6.8 Abnormal cases and emergency calls
7 Network pre-requisites
  7.1 BCCH carriers
  7.2 Identification of surrounding BSS for handover
      measurements
8 Radio link measurements
  8.1 Signal strength
  8.2 Signal quality
  8.3 Aspects of discontinuous transmission (DTX)
  8.4 Measurement reporting
  8.5 Absolute MS-BTS distance
9 Control parameters
Annex A (informative): Definition of a basic GSM or
        DCS 1800 handover and RF power control algorithm
    A.1 Scope
    A.2 Functional
    A.3 BSS pre-processing and threshold comparisons
    A.4 BSS decision algorithm
    A.5 Channel allocation
    A.6 Handover decision algorithm in the MSC
History

Abstract

Defines the Radio sub-system link control implemented in the Mobile Station (MS), Base Station System (BSS) and Mobile Switching Centre (MSC) of the GSM and DCS 1800 systems. Unless otherwise specified, references to GSM also include DCS 1800.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	SMG 2