ETSI GSM 08.20 : 050300
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
Foreword
1 Scope
2 Normative references
2.1 Abbreviations and definitions
3 General approach
4 The RA0 Function
5 The RA1 Function
6 The RA1" Function
7 Split/Combine and Padding Functions
7.1 Data Frame distribution into the channels by the
Split/Combine function
7.2 Substream numbering
7.3 Initial Substream Synchronisation for Transparent
Services
7.4 V110 Frame Synchronisation (TCH/F9.6 or TCH/F4.8
channel coding)
7.5 A-TRAU Frame Synchronisation (TCH/F14.4 channel
coding)
7.6 Network Independent Clocking
7.7 Padding
8 The RA1/RA1' Function
8.1 Radio Interface rate of 12 kbit/s
8.2 Radio Interface rate of 6 kbit/s
8.3 Radio Interface rate of 3.6 kbit/s
8.4 Synchronisation
8.5 Idle frames
9 THE RA1'/RAA' FUNCTION
9.1 Radio Interface rate of 14,5 kbit/s
9.2 Synchronisation
9.3 Idle frames
10 THE RAA' FUNCTION
10.1 Coding of A-TRAU frame
10.2 Framing Pattern Substitution in A-TRAU frame
11 THE RAA" FUNCTION
12 The RA2 Function
13 The Multiplexing Function
14 Support of non-transparent bearer services
14.1 TCH/F9.6 and TCH/F4.8 kbit/s channel codings
14.2 TCH/F14.4 channel coding
15 Support of transparent bearer services
15.1 TCH/F9.6 and TCH/F4.8 channel codings
15.2 TCH/F14.4 channel coding
16 Frame Formats
Annex A (informative): Frame Pattern Substitution
A.1 Special cases
A.2 False Z sequence detection
History
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