B.1 GPRS RLC/MAC data block header
3GPP43.051GSM/EDGE Overall descriptionRelease 17Stage 2TS
B.1.1 Downlink RLC/MAC data block header
The Downlink RLC/MAC data block header is formatted as shown in figure B.1.
|
Bit |
|||||||
|
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
|
Payload Type |
RRBP |
S/P |
USF |
||||
|
PR |
TFI |
FBI |
|||||
|
BSN |
E |
||||||
|
Length indicator |
M |
E |
|||||
|
. |
|||||||
|
Length indicator |
M |
E |
|||||
Figure B.1: Downlink RLC/MAC Data Block header (CS-1, CS-2, CS-3, CS-4)
B.1.2 Uplink RLC/MAC data block header
The Uplink RLC/MAC data block header is formatted as shown in figure B.2.
|
Bit |
|||||||
|
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
|
Payload Type |
Countdown Value |
SI |
R |
||||
|
Spare |
TFI |
TI |
|||||
|
BSN |
E |
||||||
|
Length indicator |
M |
E |
|||||
|
. |
|||||||
|
Length indicator |
M |
E |
|||||
|
TLLI |
|||||||
Figure B.2: Uplink RLC/MAC Data Block Header (CS-1, CS-2, CS-3 and CS-4)