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4‑5x
Content for
TR 45.902
Word version: 18.0.0
0…
6…
6
Overview of FLO
7
Layer 1 for FLO
8
Layer 2 for FLO
9
Layer 3 for FLO
10
Testing of FLO
11
Impact on Specifications
A
Block Codes for the TFCI
B
Header fields
$
Change History
6
Overview of FLO
p. 9
6.1
General
p. 9
6.2
Principles of FLO
p. 9
6.3
Evolution from Release 5
p. 9
6.4
Limitations
p. 10
6.5
Protocol architecture
p. 10
6.5.1
Iu mode
p. 10
6.5.2
A/Gb mode
p. 11
6.5.3
TBF configuration principles
p. 11
7
Layer 1 for FLO
p. 11
7.1
CRC Attachment
p. 12
7.2
Channel Coding
p. 13
7.3
Rate Matching
p. 13
7.4
Transport Channel Multiplexing
p. 16
7.4a
Inband signalling bits
p. 16
7.5
Transport Format Combination Identifier (TFCI)
p. 16
7.6
Interleaving
p. 17
7.7
Signalling on HR Channels
p. 18
8
Layer 2 for FLO
p. 19
8.1
Protocol architecture in Iu mode
p. 19
8.1.1
General
p. 19
8.1.2
RLC protocol
p. 20
8.1.3
MAC protocol
p. 20
8.2
Protocol architecture in A/Gb mode
p. 20
8.3
RLC/MAC block structure
p. 20
8.3.1
General
p. 20
8.3.2
RLC/MAC blocks for control message transfer
p. 21
8.3.2.1
Downlink RLC/MAC control block format
p. 21
8.3.2.2
Uplink RLC/MAC control block format
p. 21
8.3.3
RLC/MAC blocks for data transfer
p. 21
8.3.3.1
Downlink RLC/MAC block for data transfer
p. 21
8.3.3.1.1
RLC unacknowledged mode
p. 21
8.3.3.1.2
RLC acknowledged mode
p. 22
8.3.3.1.3
RLC transparent mode
p. 22
8.3.3.2
Uplink RLC/MAC block for data transfer
p. 22
8.3.3.2.1
RLC unacknowledged mode
p. 22
8.3.3.2.2
RLC acknowledged mode
p. 22
8.3.3.2.3
RLC transparent mode
p. 23
8.4
Ciphering in Iu mode
p. 23
8.4.1
General
p. 23
8.4.2
Parameters settings
p. 23
8.4.2.1
RLC non-transparent mode
p. 23
8.4.2.2
RLC transparent mode
p. 23
8.4.2.3
RLC/MAC control messages
p. 24
8.5
TFC Selection
p. 24
8.5.1
TFC selection in the uplink
p. 24
8.5.2
TFC selection in the downlink
p. 24
8.6
Ciphering in A/Gb mode
p. 24
9
Layer 3 for FLO
p. 25
9.1
In Iu mode
p. 25
9.2
In A/Gb mode
p. 25
9.3
Transport and physical channel configuration
p. 25
9.4
Calculated Transport Format Combination
p. 26
9.4.1
Definition
p. 26
9.4.2
Example
p. 27
9.5
TFC for Signalling
p. 28
9.6
TBF configuration
p. 28
10
Testing of FLO
p. 28
11
Impact on Specifications
p. 29
A
Block Codes for the TFCI
p. 30
B
Header fields
p. 32
B.1
Payload Type (PT) field
p. 32
B.2
Polling (P) bit
p. 32
B.3
Segmentation (S) bit
p. 32
B.4
Reduced Block Sequence Number (RBSN) bit
p. 32
B.5
Radio Transaction Identifier (RTI) field
p. 32
B.6
Temporary Flow Identity (TFI) field
p. 33
B.7
Block Sequence Number (BSN) field
p. 33
B.7.1
General
p. 33
B.7.2
RLC unacknowledged mode
p. 33
B.7.3
RLC acknowledged mode
p. 33
B.8
Split Block Indicator (SPB) field
p. 33
B.9
Stall Indicator (SI) field
p. 33
B.10
Extension (E) bit
p. 33
B.11
Length Indicator (LI) field
p. 34
$
Change History
p. 35