Table of Contents

Foreword
0 SCOPE
1 Normative references
2 ABBREVIATIONS
3 GENERAL APPROACH
4 The RA1/RA1' FUNCTION
  4.1 Radio Interface rate of 12 kbit/s
  4.2 Radio Interface rate of 6 kbit/s
  4.3 Radio Interface rate of 3.6 kbit/s
  4.4 Synchronisation
  4.5 Idle frames
5 THE RA2 FUNCTION
6 SUPPORT OF NON-TRANSPARENT BEARER SERVICES
  6.1 Alignment
  6.2 Support of Discontinuous Transmission (DTX)
  6.3 Order of Transmission
7 SUPPORT OF TRANSPARENT BEARER SERVICES
  7.1 User rate adaptation on the A interface
  7.2 Handling of status bits X, SA, SB
  7.3 Handling of bits E1 to E7
History

Abstract

Specifies rate adaptation functions to be used in GSM PLMN Base Station Systems (BSS) and transcoders for adapting radio interface data rates to the 64 kbit/s needed at the MSC in accordance with GSM 03.10.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	SMG 4
Supersedes	PRETS 300 591 : MAY 94