********** TBF starts here ********** Allocating DL TBF: TFI=0 TRX=0 MS_CLASS=0 Slot Allocation (Algorithm A) for class 0 - Skipping TS 0, because not enabled - Skipping TS 1, because not enabled - Assign downlink TS=2 - Setting Control TS 2 TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=NULL) changing tlli from TLLI=0x00000000 TLLI=0x00002342 ul_changed=0 ********** TBF starts here ********** Allocating UL TBF: TFI=0 TRX=0 MS_CLASS=0 Slot Allocation (Algorithm A) for class 0 - Skipping TS 0, because not enabled - Skipping TS 1, because not enabled - Assign uplink TS=2 USF=0 - Setting Control TS 2 TBF(TFI=0 TLLI=0x00000000 DIR=UL STATE=NULL) changing tlli from TLLI=0x00000000 TLLI=0x00002342 ul_changed=0 TBF(TFI=0 TLLI=0x00002342 DIR=DL STATE=NULL) changing tlli from TLLI=0x00002342 TLLI=0x00004232 ul_changed=1 Searching for first unallocated TFI: TRX=0 first TS=4 Found TFI=0. ********** TBF starts here ********** Allocating DL TBF: TFI=0 TRX=0 MS_CLASS=45 Slot Allocation (Algorithm A) for class 45 - Skipping TS 0, because not enabled - Skipping TS 1, because not enabled - Skipping TS 2, because not enabled - Skipping TS 3, because not enabled - Assign downlink TS=4 - Setting Control TS 4 TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=NULL) changes state from NULL to FLOW TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) append TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) append TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) start Packet Downlink Assignment (PACCH) +++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++ ------------------------- TX : Packet Downlink Assignment ------------------------- Scheduling control message at RTS for TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) (TRX=0, TS=4) Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=0 block=0 data=4f 08 20 00 44 02 00 02 08 04 00 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==0) - Sending new block at BSN 0 -- Chunk with length 0 is less than remaining space (20): add length header to to delimit LLC frame Complete DL frame for TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW)len=0 - Dequeue next LLC for TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) (len=200) -- Chunk with length 200 larger than space (19) left in block: copy only remaining space, and we are done data block: 07 00 00 03 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=1 block=0 data=07 00 00 03 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==1) - Sending new block at BSN 1 -- Chunk with length 181 larger than space (20) left in block: copy only remaining space, and we are done data block: 07 00 03 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=2 block=0 data=07 00 03 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) downlink acknowledge - Final ACK received. TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=FLOW) changes state from FLOW to WAIT RELEASE Searching for first unallocated TFI: TRX=0 first TS=4 Found TFI=1. ********** TBF starts here ********** Allocating DL TBF: TFI=1 TRX=0 MS_CLASS=45 Slot Allocation (Algorithm A) for class 45 - Skipping TS 0, because not enabled - Skipping TS 1, because not enabled - Skipping TS 2, because not enabled - Skipping TS 3, because not enabled - Assign downlink TS=4 - Setting Control TS 4 ********** TBF update ********** Slot Allocation (Algorithm A) for class 45 - Skipping TS 0, because not enabled - Skipping TS 1, because not enabled - Skipping TS 2, because not enabled - Skipping TS 3, because not enabled - Assign downlink TS=4 TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=WAIT RELEASE) Trigger dowlink assignment on PACCH, because another LLC PDU has arrived in between Send dowlink assignment on PACCH, because TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=WAIT RELEASE) exists TBF(TFI=1 TLLI=0x00000000 DIR=DL STATE=NULL) changes state from NULL to ASSIGN TBF(TFI=1 TLLI=0x00000000 DIR=DL STATE=ASSIGN) starting timer 0. DL packet loss of IMSI= / TLLI=0x00000000: 0% TBF(TFI=0 TLLI=0x00000000 DIR=DL STATE=WAIT RELEASE) free ********** TBF ends here ********** TBF(TFI=1 TLLI=0x00000000 DIR=DL STATE=ASSIGN) free TBF(TFI=1 TLLI=0x00000000 DIR=DL STATE=ASSIGN) stopping timer 0. ********** TBF ends here **********