Content for TR 25.701 Word version: 12.2.0
4 Scenarios of scalable UMTS
5 Evaluation methodology
6 Solutions of scalable UMTS
7 Conclusions
$ Change History
4 Scenarios of scalable UMTS p. 11
4.1 Description p. 11
4.2 Deployment scenarios p. 11
4.3 Feature support in UMTS and scalable UMTS p. 11
5 Evaluation methodology p. 13
5.1 Channel model p. 13
5.2 Link-level simulation p. 15
5.3 System-level simulation p. 19
6 Solutions of scalable UMTS p. 22
6.1 Time dilation solution for scalable UMTS p. 22
6.1.1 Description p. 22
6.1.1.1 Power Spectral Density (PSD) of scalable UMTS Systems p. 23
6.1.1.1.1 Standalone time-dilated UMTS in downlink p. 23
6.1.1.1.2 Multi-carrier time-dilated UMTS in DL p. 24
6.1.1.2 Design options for PCCPCH channel p. 26
6.1.1.2.1 Single PCCPCH channel with reduced spreading factor p. 26
6.1.1.2.2 Multiple PCCPCH channels p. 26
6.1.1.3 CS voice in time-dilated UMTS p. 27
6.1.1.4 PRACH and AICH p. 28
6.1.2 Evaluation results p. 31
6.1.2.1 HSPA link level simulation results p. 31
6.1.2.2 DCH link level simulation results p. 37
6.1.2.3 System level simulation results p. 38
6.1.3 Coverage of time-dilated UMTS p. 45
6.1.4 Impacts on the network and UE p. 52
6.1.4.1 UE receiver p. 52
6.1.4.1.1 RF and digital front-end p. 52
6.1.4.1.2 Base-band detector p. 54
6.1.4.1.3 Base-band decoder p. 54
6.1.4.2 UE transmitter p. 55
6.1.4.3 BS receiver p. 55
6.1.4.4 BS transmitter p. 56
6.1.4.5 Impact to UE performance p. 56
6.1.4.5.1 Link performance of time-dilated UMTS with CPC p. 56
6.1.4.5.2 Impact to on-percentage due to time-dilation p. 64
6.1.4.6 Impact on network performance p. 65
6.1.4.6.1 Impact on physical layer procedures p. 65
6.1.4.6.2 Impact on higher layer timers p. 66
6.1.4.6.3 Impact on radio resource management p. 66
6.1.4.6.3a Other issues relating to introduction of less time-dilated carriers p. 67
6.1.4.6.4 KPI impact p. 67
6.1.4.6.5 Hardware complexity impact - summary p. 67
6.1.4.6.6 Site migration p. 67
6.1.4.6.7 UE battery consumption p. 68
6.1.4.6.8 O&M, parameter management p. 68
6.1.4.6.9 Timing relations p. 68
6.1.4.6.10 Scheduler impact p. 69
6.1.4.6.11 Positioning p. 69
6.1.4.6.12 Impact on system information p. 69
6.1.4.6.13 Impact on other RATs p. 69
6.1.5 Impacts on specifications p. 70
6.1.5.1 Impact to RAN1 specifications p. 70
6.1.5.2 Impact to RAN4 specifications p. 78
6.1.5.2.1 General p. 78
6.1.5.2.2 BS RF core and performance requirements p. 79
6.1.5.2.3 UE RF core and performance requirements p. 86
6.1.5.2.4 RRM requirements p. 95
6.1.5.3 Impact to GERAN1 specifications and coexistence p. 97
6.1.5.4 Impact to RAN3 specifications p. 97
6.1.5.5 Impact to RAN5 specifications p. 97
6.1.6 Impacts on coexistence p. 99
6.1.6.1 BS transmitter characteristics p. 100
6.1.6.2 BS receiver characteristics p. 102
6.1.6.3 UE transmitter characteristics p. 102
6.1.6.4 UE receiver characteristics p. 103
6.1.7 User plane latency analysis p. 103
6.1.7.1 Downlink user plane latency analysis p. 103
6.1.7.1.1 Example: web page download user plane latency over Uu interface p. 104
6.1.7.1.2 Lab test results p. 104
6.1.7.2 Uplink user plane latency analysis p. 107
6.1.7.3 User plane latency analysis in CELL_FACH state p. 111
6.1.7.3.1 Uplink p. 111
6.1.7.3.2 Downlink p. 114
6.1.8 Impact on mobility (idle mode and connected mode) p. 115
6.1.8.1 Carrier identification and UE capability p. 115
6.1.8.2 Inter-frequency mobility p. 115
6.1.8.3 Impact on Cell Selection and Cell Reselection p. 116
6.1.8.4 Positioning p. 116
6.1.8.5 Other mobility aspects p. 116
6.1.9 Impact on SIBs acquisition p. 116
6.1.10 Impact on signalling and user plane data p. 116
6.1.10.1 SRB performance p. 116
6.1.10.2 User plane performance p. 117
6.1.10.3 New radio configurations p. 118
6.1.11 Impact on MAC, RLC and RRC performance, including impact on timers and procedures p. 118
6.2 Time-dilated solution for Carrier Aggregation scenarios p. 119
6.2.1 Solutions for Carrier Aggregation scenarios p. 119
6.2.2 Evaluation results p. 121
6.3 Void
6.4 Void
6.5 Void
6.6 Void
6.7 Void
6.8 Scalable Bandwidth UMTS by Filtering p. 133
6.8.1 Description p. 133
6.8.2 Preliminary evaluation results on filtered UMTS motivating further study p. 133
6.8.3 Impacts on the network and UE p. 139
6.8A Scalable bandwidth UMTS by chip zeroing p. 140
6.8A.1 Description p. 140
6.8A.2 Power Spectrum Density and SINR analysis p. 142
6.8A.3 Control channel in CZ-UMTS p. 143
6.8A.3.1 Control channel overhead p. 143
6.8A.3.2 PRACH preamble design options for CZ-UMTS p. 143
6.8A.3.3 AICH design options for CZ-UMTS p. 144
6.8A.3.4 PICH design options for CZ-UMTS p. 145
6.8A.4 Impacts on network and UE p. 146
6.8A.4.1 Impacts on network implementation p. 146
6.8A.4.2 UE implementation p. 148
6.8A.4.2.1 PAPR p. 150
6.8A.5 Cross carrier scheduling for multi-carrier filtered CZ-UMTS p. 150
6.8A.5A Design for cross carrier scheduling for multi-carrier filtered CZ-UMTS p. 151
6.8A.6 Impact on 3GPP RAN1 specification p. 153
6.8A.6.1 TS 25.201 p. 153
6.8A.6.2 TS 25.211 p. 153
6.8A.6.3 TS 25.212 p. 153
6.8A.6.4 TS 25.213 p. 153
6.8A.6.5 TS 25.214 p. 153
6.8A.6.6 TS 25.215 p. 153
6.8B Link level simulation for filtered scalable UMTS p. 154
6.8B.1 Simulation assumptions for filtered scalable UMTS p. 154
6.8B.2 Performance evaluation metrics for filtered scalable UMTS p. 157
6.8C Link simulation results of scalable bandwidth UMTS with chip zeroing p. 157
6.8C.1 HSDPA link analysis p. 157
6.8C.1.1 Standalone CZ-UMTS carrier p. 157
6.8C.1.1A HSDPA link analysis with chip zeroing assuming N times overhead power ratio p. 159
6.8C.1.2 Multi-carrier UMTS+ CZ-UMTS configurations p. 160
6.8C.1.3 DCH analysis p. 167
6.8C.2 Uplink link level results p. 170
6.8C.2A PRACH preamble simulation results p. 170
6.8C.3 System Simulations - Bursty Traffic (Chip zeroed Filtered UMTS) p. 171
6.8C.4 Impacts on cell search p. 174
6.8D Uplink signal characteristics p. 183
6.8D.1 Background p. 183
6.8D.2 Simulation assumptions p. 183
6.8D.3 Power distribution p. 184
6.8D.4 PAPR and CM p. 185
6.8D.4.1 Comparing 5 MHz UMTS with 2.5 MHz F-UMTS/CZ-UMTS p. 185
6.8D.4.2 Comparing F-UMTS with CZ-UMTS in different bandwidths p. 188
6.8D.5 Discussion p. 189
6.9 Less relevant simulation results p. 189
6.9.1 Time dilated UMTS configurations p. 189
6.9.2 System performance for full buffer traffic p. 190
6.9.2.1 Evaluations based on user geometry distribution p. 190
6.9.2.1.1 UE throughput p. 194
6.9.2.2 Evaluation with a practical scheduler p. 195
6.9.3 HSDPA bursty traffic simulations results p. 196
6.9.4 HSUPA bursty traffic simulations results p. 196
6.10 Less relevant simulation results p. 197
7 Conclusions p. 201
$ Change History p. 206
