Tech-
invite
3GPP
space
IETF
space
21
22
23
24
25
26
27
28
29
31
32
33
34
35
36
37
38
4‑5x
Content for
TS 48.061
Word version: 16.0.0
1…
4…
4
General approach
5
Frame structure
6
Procedures
$
Change History
4
General approach
5
Frame structure
Word‑p. 9
5.1
16 kbit/s submultiplexing
5.1.1
Frames for Speech Services
5.1.1.1
Frame for Half Rate speech
5.1.1.2
Frames for Adaptive Multi-Rate Speech
5.1.2
Data frame
Word‑p. 10
5.1.3
O&M frame
Word‑p. 11
5.1.4
Coding
5.1.4.1
Coding of frames for speech services
Word‑p. 12
5.1.4.1.1
Coding of frames for Half Rate speech Control bits (C-bits)
5.1.4.1.2
Coding of frames for Adaptive Multi-Rate speech
Word‑p. 13
5.1.4.2
Coding of data frames
5.1.4.3
Coding of O&M frames
Word‑p. 14
5.1.5
Order of Bit Transmission
5.2
8 kbit/s submultiplexing
Word‑p. 15
5.2.1
Frames for Speech Services
5.2.1.1
Frame for Half Rate Speech
5.2.1.2
Frames for Adaptive Multi-Rate Speech
5.2.1.2.1
Frame for Lower Codec Modes
5.2.1.2.2
Speech frame for Codec Mode 6,70 kBit/s
Word‑p. 16
5.2.1.2.3
Speech frame for Codec Mode 7,40 kBit/s
5.2.1.2.4
Speech frame for Codec Mode 7,95 kBit/s
Word‑p. 17
5.2.1.3
Frames for Speech Codec Configuration Exchange
5.2.2
Data frame
Word‑p. 18
5.2.3
O&M frame
5.2.4
Coding
Word‑p. 19
5.2.4.1
Coding for Half Rate Speech and Half Rate Data Services
5.2.4.1.1
Uplink coding
5.2.4.1.2
Downlink coding
Word‑p. 21
5.2.4.2
Coding for Adaptive Multi-Rate Speech
Word‑p. 22
5.2.4.2.1
No_Speech Frame
5.2.4.2.2
Speech Frames for 4,75, 5,15 and 5,90 kBit/s
Word‑p. 23
5.2.4.2.3
Speech Frame for 6,70 kBit/s
Word‑p. 24
5.2.4.2.4
Speech Frame for 7,40 kBit/s
Word‑p. 25
5.2.4.2.5
Speech Frame for 7,95 kBit/s
5.2.5
Order of Bit Transmission
6
Procedures
Word‑p. 26
6.1
Remote Control of Transcoders and Rate Adaptors
6.2
Resource Allocation
6.3
Resource Release
6.4
In Call Modification
Word‑p. 27
6.5
Transfer of Idle Frames, Handling of missing data
6.6
Procedures for Speech Frames
6.6.1
Time Alignment of Speech Frames
6.6.1.1
16 kbit/s submultiplexing
Word‑p. 28
6.6.1.1.1
Downlink Time Alignment
6.6.1.1.2
Uplink Time Alignment
Word‑p. 30
6.6.1.1.3
Initiation at Resource Allocation
6.6.1.1.4
Time Alignment during Handover
6.6.1.2
8 kbit/s submultiplexing
6.6.1.2.1
Downlink Time Alignment
6.6.1.2.2
Uplink Time Alignment
Word‑p. 32
6.6.1.2.3
Initiation at Resource allocation
Word‑p. 33
6.6.1.2.4
Time Alignment during handover
6.6.2
Procedures for Discontinuous Transmission (DTX)
6.6.2.1
DTX procedures in the uplink direction
6.6.2.2
DTX procedures in the downlink direction
Word‑p. 34
6.7
Procedures for Data Frames
6.7.1
The RAA Function
6.7.2
The RA1/RA1' Function
Word‑p. 35
6.7.3
The RA2 Function
6.7.4
Procedures for 8 kbit/s intermediate rate adaption rate
6.7.5
Support of Non-Transparent Bearer Applications
Word‑p. 36
6.8
Frame Synchronization
6.8.1
16 kbit/s submultiplexing
6.8.1.1
Search for Frame Synchronization
6.8.1.2
Frame Synchronization After Performing Downlink Timing Adjustments
6.8.1.3
Frame Synchronization Monitoring and Recovery
6.8.2
8 kbit/s submultiplexing
Word‑p. 37
6.8.2.1
Search for Frame Synchronization
6.8.2.1.1
For Half Rate speech and data
6.8.2.1.2
For Adaptive Multi-Rate speech
6.8.2.2
Frame Synchronization Monitoring and Recovery
Word‑p. 38
6.8.2.2.1
For Half Rate speech and data
6.8.2.2.2
For Adaptive Multi-Rate speech
6.9
Correction/detection of bit errors
6.9.1
16 kbit/s submultiplexing
6.9.1.1
Error Detection on the Control Bits
6.9.1.1.1
General Procedure
6.9.1.1.2
Frames for Half Rate speech
Word‑p. 39
6.9.1.2
Handling of frames received with errors for Half Rate speech and data
6.9.2
8 kbit/s submultiplexing
6.9.2.1
Error Detection on the Control Bits
6.9.2.2
Handling of frames received with errors
Word‑p. 40
6.10
Procedures for Operation & Maintenance
6.10.1
Transfer of O&M Information Between the TRAU and the BSC
6.10.2
Procedures in the TRAU
6.10.3
Procedures in the BSC
6.10.3.1
Use of O&M Frames
6.10.4
Procedures in the BTS
Word‑p. 41
$
Change History
Word‑p. 42