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Content for TS 44.060 Word version: 18.0.0

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9.0 General 9.1 Procedures and parameters for peer-to-peer operation 9.2 Operation during RLC/MAC control message transfer 9.3 Operation during RLC data block transfer 9.4 Abnormal release cases 9.5 Uplink TBF release in extended uplink TBF mode
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9 Radio Link Control (RLC) procedures in packet transfer mode p. 196

9.0 General |R5| p. 196

9.1 Procedures and parameters for peer-to-peer operation p. 197

9.1.1 Send state variable V(S) p. 197

9.1.1a Control send state variable V(CS) p. 197

9.1.2 Acknowledge state variable V(A) p. 198

9.1.3 Acknowledge state array V(B) p. 198

9.1.3.1 Acknowledge state array V(B) for GPRS TBF Mode p. 198

9.1.3.2 Acknowledge State Array V(B) for EGPRS TBF Mode p. 199

9.1.3.2.1 EGPRS TBF running in RLC acknowledged mode |R7| p. 199

9.1.3.2.2 EGPRS TBF running in RLC non-persistent mode |R7| p. 200

9.1.3.3 Acknowledge State Array V(B) for MBMS Bearers |R6| p. 201

9.1.3.4 Acknowledge State Array V(B) for EC TBF Mode |R13| p. 201

9.1.4 Block sequence number BSN p. 201

9.1.4.1 Block sequence number BSN for GPRS TBF p. 201

9.1.4.2 Block sequence number BSN for EGPRS TBF p. 202

9.1.4.3 Block sequence number BSN for EC TBF |R13| p. 202

9.1.4a Reduced Block Sequence Number RBSN p. 202

9.1.4b Reduced Block Sequence Number extension RBSNe |R6| p. 202

9.1.5 Receive state variable V(R) p. 202

9.1.6 Receive window state variable V(Q) p. 202

9.1.6.1 General |R7| p. 202

9.1.6.2 RLC acknowledged mode |R7| p. 202

9.1.6.3 RLC unacknowledged mode |R7| p. 203

9.1.6.4 RLC non-persistent mode |R7| p. 203

9.1.7 Receive state array V(N) p. 203

9.1.7.1 Receive state array V(N) in GPRS TBF p. 203

9.1.7.2 Receive state array V(N) in EGPRS TBF p. 203

9.1.7.3 Receive state array V(N) in TBF with FANR activated |R7| p. 204

9.1.7.4 Receive state array V(N) in EC TBF |R13| p. 204

9.1.8 Starting sequence number (SSN) and received block bitmap (RBB) p. 204

9.1.8.1 Starting sequence number (SSN) and received block bitmap (RBB) in GPRS TBF p. 204

9.1.8.2 Starting sequence number (SSN) and received block bitmap (RBB) in EGPRS TBF p. 205

9.1.8.2.1 Extended Polling p. 206

9.1.8.2.2 Determination of SSN p. 208

9.1.8.2.2a Determination of ShortSSN and SSN in the Piggy-backed Ack/Nack field |R7| p. 210

9.1.8.2.3 Generation of the bitmap p. 210

9.1.8.2.4 Interpretation of the bitmap p. 212

9.1.8.3 Starting sequence number (SSN) and received block bitmap (RBB) in EC TBF |R13| p. 213

9.1.9 Window Size p. 213

9.1.9.1 GPRS p. 213

9.1.9.2 EGPRS p. 213

9.1.9.2a EC-GSM-IoT |R13| p. 216

9.1.9.3 RLC buffer |R6| p. 216

9.1.10 Compression p. 216

9.1.11 Segmentation of upper layer PDUs into RLC data units p. 219

9.1.12 Re-assembly of upper layer PDUs from RLC data units p. 220

9.1.12a Segmentation of RLC/MAC control messages into RLC/MAC control blocks p. 222

9.1.12b Re-assembly of RLC/MAC control messages from RLC/MAC control blocks p. 222

9.1.13 Priority of upper layer PDUs p. 223

9.1.14 Fast Ack/Nack Reporting |R7| p. 223

9.1.14.1 General p. 223

9.1.14.2 Polled Fast Ack/Nack Reporting p. 224

9.1.14.3 Event-based Fast Ack/Nack Reporting p. 224

9.1.15 Time-based encoding of the Piggy-backed Ack/Nack field |R7| p. 225

9.1.15.1 Generation of the bitmap p. 225

9.1.15.2 Interpretation of the bitmap p. 226

9.2 Operation during RLC/MAC control message transfer p. 226

9.3 Operation during RLC data block transfer p. 227

9.3.0 General |R5| p. 227

9.3.1 Countdown procedure p. 228

9.3.1.1 General p. 228

9.3.1.2 Non-extended uplink TBF mode p. 229

9.3.1.3 Extended uplink TBF mode p. 229

9.3.1.4 End of uplink EC TBF |R13| p. 229

9.3.1a Delayed release of downlink Temporary Block Flow p. 230

9.3.1b Extended uplink TBF mode p. 231

9.3.1b.1 Application p. 231

9.3.1b.2 Operation of uplink TBF in extended uplink TBF mode p. 231

9.3.2 Acknowledged mode operation p. 232

9.3.2.0 General |R5| p. 232

9.3.2.1 Additional functionality in acknowledged EGPRS TBF Mode p. 232

9.3.2.1a Additional functionality in acknowledged EC TBF Mode |R13| p. 233

9.3.2.2 Establishment of Temporary Block Flow p. 235

9.3.2.3 Operation of uplink Temporary Block Flow p. 235

9.3.2.4 Release of uplink Temporary Block Flow p. 236

9.3.2.4.1 General p. 236

9.3.2.4.2 Non-extended uplink TBF mode p. 236

9.3.2.4.3 Release of uplink EC TBF |R13| p. 237

9.3.2.5 Operation of downlink Temporary Block Flow p. 238

9.3.2.6 Release of downlink Temporary Block Flow p. 239

9.3.3 Unacknowledged mode operation p. 241

9.3.3.0 General |R5| p. 241

9.3.3.1 Establishment of Temporary Block Flow p. 241

9.3.3.2 Operation of uplink Temporary Block Flow p. 241

9.3.3.3 Release of uplink Temporary Block Flow p. 241

9.3.3.3.1 General p. 241

9.3.3.3.2 Non-extended uplink TBF mode p. 242

9.3.3.4 Operation of downlink Temporary Block Flow p. 243

9.3.3.5 Release of downlink Temporary Block Flow p. 243

9.3.4 Non-persistent mode operation |R6| p. 244

9.3.4.0 General p. 244

9.3.4.1 Operation during an MBMS bearer p. 245

9.3.4.2 Release of an MBMS radio bearer p. 245

9.3.4.3 Operation during an EGPRS TBF |R7| p. 245

9.4 Abnormal release cases p. 245

9.4.1 Abnormal release with access retry p. 245

9.4.2 Abnormal release with cell reselection p. 245

9.5 Uplink TBF release in extended uplink TBF mode p. 245