Table of Contents

Foreword
1 Scope
   1.2 Normative references
   1.3 Definitions and abbreviations
2 General description of synchronization system
3 Timebase counters
   3.1 Timing state of the signals
   3.2 Relationship between counters
4 Timing of transmitted signals
5 BTS Requirements for Synchronization
   5.1 Frequency source
   5.2 Timebase counters
   5.3 Internal BTS carrier timing
   5.4 Timing advance estimation
   5.5 Maximum timing advance value
   5.6 Delay tracking
   5.7 Timeslot length
   5.8 Range of Timing advance
6 MS Requirements for Synchronization
   6.1 MS carrier frequency
   6.2 Internal timebase
   6.3 Assessment of BTS timing
   6.4 Timing of transmission
   6.5 Application of Timing Advance
   6.6 Access to a new BTS
   6.7 Temporary loss of signal
   6.8 Timing of intracell channel change
   6.9 Application of new Timing Advance value
   6.10 Definition of "ready to transmit within x ms"
Annex A (normative): Additional requirements for
        pseudo-synchronization, synchronized handovers
        and pseudo-synchronized handovers
Annex B (informative): Change Request History
History

Abstract

Specifies the requirements for synchronization on the GSM radio sub-system.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	SMG 2
Supersedes	PRETS 300 912 : DEC 96