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 Word‑p. 11
5 Evaluation methodology Word‑p. 13
5.1 Channel model
5.2 Link-level simulation Word‑p. 15
5.3 System-level simulation Word‑p. 19
6 Solutions of scalable UMTS Word‑p. 22
6.1 Time dilation solution for scalable UMTS
6.1.1 Description
6.1.1.1 Power Spectral Density (PSD) of scalable UMTS Systems Word‑p. 23
6.1.1.1.1 Standalone time-dilated UMTS in downlink
6.1.1.1.2 Multi-carrier time-dilated UMTS in DL Word‑p. 24
6.1.1.2 Design options for PCCPCH channel Word‑p. 26
6.1.1.3 CS voice in time-dilated UMTS Word‑p. 27
6.1.1.4 PRACH and AICH Word‑p. 28
6.1.2 Evaluation results Word‑p. 31
6.1.2.1 HSPA link level simulation results
6.1.2.2 DCH link level simulation results Word‑p. 37
6.1.2.3 System level simulation results Word‑p. 38
6.1.3 Coverage of time-dilated UMTS Word‑p. 45
6.1.3.1 Simulation results Word‑p. 46
6.1.3.2 Link budget analysis Word‑p. 48
6.1.4 Impacts on the network and UE Word‑p. 52
6.1.4.1 UE receiver
6.1.4.1.1 RF and digital front-end
6.1.4.1.2 Base-band detector Word‑p. 54
6.1.4.1.3 Base-band decoder
6.1.4.2 UE transmitter Word‑p. 55
6.1.4.3 BS receiver
6.1.4.4 BS transmitter
6.1.4.5 Impact to UE performance
6.1.4.5.1 Link performance of time-dilated UMTS with CPC
6.1.4.5.2 Impact to on-percentage due to time-dilation Word‑p. 64
6.1.4.6 Impact on network performance Word‑p. 65
6.1.4.6.1 Impact on physical layer procedures
6.1.4.6.2 Impact on higher layer timers Word‑p. 66
6.1.4.6.3 Impact on radio resource management
6.1.4.6.3a Other issues relating to introduction of less time-dilated carriers Word‑p. 67
6.1.4.6.4 KPI impact
6.1.4.6.5 Hardware complexity impact - summary
6.1.4.6.6 Site migration
6.1.4.6.7 UE battery consumption Word‑p. 68
6.1.4.6.8 O&M, parameter management
6.1.4.6.9 Timing relations
6.1.4.6.10 Scheduler impact Word‑p. 69
6.1.4.6.11 Positioning
6.1.4.6.12 Impact on system information
6.1.4.6.13 Impact on other RATs
6.1.5 Impacts on specifications Word‑p. 70
6.1.5.1 Impact to RAN1 specifications
6.1.5.2 Impact to RAN4 specifications Word‑p. 78
6.1.5.2.1 General
6.1.5.2.2 BS RF core and performance requirements Word‑p. 79
6.1.5.2.3 UE RF core and performance requirements Word‑p. 86
6.1.5.2.4 RRM requirements Word‑p. 95
6.1.5.3 Impact to GERAN1 specifications and coexistence Word‑p. 97
6.1.5.4 Impact to RAN3 specifications
6.1.5.5 Impact to RAN5 specifications
6.1.6 Impacts on coexistence Word‑p. 99
6.1.6.1 BS transmitter characteristics Word‑p. 100
6.1.6.2 BS receiver characteristics Word‑p. 102
6.1.6.3 UE transmitter characteristics
6.1.6.4 UE receiver characteristics Word‑p. 103
6.1.7 User plane latency analysis
6.1.7.1 Downlink user plane latency analysis
6.1.7.1.1 Example: web page download user plane latency over Uu interface Word‑p. 104
6.1.7.1.2 Lab test results
6.1.7.2 Uplink user plane latency analysis Word‑p. 107
6.1.7.3 User plane latency analysis in CELL_FACH state Word‑p. 111
6.1.7.3.1 Uplink
6.1.7.3.2 Downlink Word‑p. 114
6.1.8 Impact on mobility (idle mode and connected mode) Word‑p. 115
6.1.8.1 Carrier identification and UE capability
6.1.8.2 Inter-frequency mobility
6.1.8.3 Impact on Cell Selection and Cell Reselection Word‑p. 116
6.1.8.4 Positioning
6.1.8.5 Other mobility aspects
6.1.9 Impact on SIBs acquisition
6.1.10 Impact on signalling and user plane data
6.1.10.1 SRB performance
6.1.10.2 User plane performance
6.1.10.3 New radio configurations Word‑p. 118
6.1.11 Impact on MAC, RLC and RRC performance, including impact on timers and procedures
6.2 Time-dilated solution for Carrier Aggregation scenarios Word‑p. 119
6.2.1 Solutions for Carrier Aggregation scenarios
6.2.2 Evaluation results Word‑p. 121
6.3 Void
6.4 Void
6.5 Void
6.6 Void
6.7 Void
6.8 Scalable Bandwidth UMTS by Filtering Word‑p. 133
6.8.1 Description
6.8.2 Preliminary evaluation results on filtered UMTS motivating further study
6.8.2.1 Downlink link level results
6.8.2.1.1 HSDPA link analysis Word‑p. 134
6.8.2.1.2 DCH simulation results Word‑p. 136
6.8.2.2 Uplink link level results Word‑p. 137
6.8.3 Impacts on the network and UE Word‑p. 139
6.8A Scalable bandwidth UMTS by chip zeroing
6.8A.1 Description
6.8A.2 Power Spectrum Density and SINR analysis Word‑p. 142
6.8A.3 Control channel in CZ-UMTS Word‑p. 143
6.8A.3.1 Control channel overhead
6.8A.3.2 PRACH preamble design options for CZ-UMTS
6.8A.3.3 AICH design options for CZ-UMTS Word‑p. 144
6.8A.3.4 PICH design options for CZ-UMTS Word‑p. 145
6.8A.4 Impacts on network and UE Word‑p. 146
6.8A.4.1 Impacts on network implementation
6.8A.4.2 UE implementation Word‑p. 148
6.8A.4.2.1 PAPR Word‑p. 150
6.8A.5 Cross carrier scheduling for multi-carrier filtered CZ-UMTS
6.8A.5A Design for cross carrier scheduling for multi-carrier filtered CZ-UMTS Word‑p. 151
6.8A.6 Impact on 3GPP RAN1 specification Word‑p. 153
6.8B Link level simulation for filtered scalable UMTS Word‑p. 154
6.8B.1 Simulation assumptions for filtered scalable UMTS
6.8B.2 Performance evaluation metrics for filtered scalable UMTS Word‑p. 157
6.8C Link simulation results of scalable bandwidth UMTS with chip zeroing
6.8C.1 HSDPA link analysis
6.8C.1.1 Standalone CZ-UMTS carrier
6.8C.1.1A HSDPA link analysis with chip zeroing assuming N times overhead power ratio Word‑p. 159
6.8C.1.2 Multi-carrier UMTS+ CZ-UMTS configurations Word‑p. 160
6.8C.1.3 DCH analysis Word‑p. 167
6.8C.2 Uplink link level results Word‑p. 170
6.8C.2A PRACH preamble simulation results
6.8C.3 System Simulations - Bursty Traffic (Chip zeroed Filtered UMTS) Word‑p. 171
6.8C.4 Impacts on cell search Word‑p. 174
6.8D Uplink signal characteristics
6.8D.1 Background
6.8D.2 Simulation assumptions
6.8D.3 Power distribution Word‑p. 184
6.8D.4 PAPR and CM Word‑p. 185
6.8D.4.1 Comparing 5 MHz UMTS with 2.5 MHz F-UMTS/CZ-UMTS
6.8D.4.2 Comparing F-UMTS with CZ-UMTS in different bandwidths Word‑p. 188
6.8D.5 Discussion Word‑p. 189
6.9 Less relevant simulation results
6.9.1 Time dilated UMTS configurations
6.9.2 System performance for full buffer traffic Word‑p. 190
6.9.2.1 Evaluations based on user geometry distribution
6.9.2.1.1 UE throughput Word‑p. 194
6.9.2.2 Evaluation with a practical scheduler Word‑p. 195
6.9.3 HSDPA bursty traffic simulations results Word‑p. 196
6.9.4 HSUPA bursty traffic simulations results
6.10 Less relevant simulation results Word‑p. 197
7 Conclusions Word‑p. 201
$ Change History Word‑p. 206
