Content for TR 45.914 Word version: 16.0.0
7 Orthogonal Sub Channels for Circuit Switched Voice Capacity Evolution
7.1 Concept description
7.2 Performance Characterization
7.3 Impacts on the Mobile Station
7.4 Impacts on the BSS
7.5 Impacts on Network Planning
7.6 Impacts on the Specifications
7.7 Summary of Evaluation versus Objectives
7.8 References
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7 Orthogonal Sub Channels for Circuit Switched Voice Capacity Evolution
7.1 Concept description
7.1.1 Overview
7.1.2 Downlink concept
7.1.2.1 Basic OSC concept
7.1.2.1.1 Mapping of user bits using QPSK modulation
7.1.2.1.2 Burst structure, training sequence, tail and guard bits Word‑p. 66
7.1.2.1.3 Tx pulse shaping filter Word‑p. 67
7.1.2.1.3.1 Investigated Candidate TX Pulse Shapes
7.1.2.1.3.2 Comparison of Filter Characteristics Word‑p. 70
7.1.2.1.4 Symbol rotation Word‑p. 71
7.1.2.1.5 DTX handling when one sub channel is inactive
7.1.2.1.6 FACCH signalling
7.1.2.1.7 SACCH signalling
7.1.2.2 Enhanced OSC concept Word‑p. 72
7.1.3 Uplink concept Word‑p. 83
7.1.3.1 Modulation and burst structure
7.1.3.2 Usage of new training sequences
7.1.3.3 Tx pulse shape
7.1.3.4 Associated control channels
7.1.3.5 User diversity
7.1.3.6 BTS receiver
7.1.4 RR signalling
7.2 Performance Characterization Word‑p. 84
7.2.1 Link Level Performance
7.2.1.1 Sensitivity Performance
7.2.1.1.1 Sensitivity in downlink
7.2.1.1.1.1 Sensitivity in downlink without sub channel specific power control
7.2.1.1.1.2 Sensitivity in downlink with subchannel specific power control Word‑p. 87
7.2.1.1.2 Sensitivity in uplink Word‑p. 88
7.2.1.2 Interference Performance Word‑p. 89
7.2.1.2.1 Interference limited performance in downlink
7.2.1.2.1.1 Interference performance in downlink without subchannel specific power control
7.2.1.2.1.2 Interference performance in downlink with subchannel specific power control Word‑p. 92
7.2.1.3 Results from: MUROS - Performance of Legacy MS Word‑p. 94
7.2.1.3.1 Simulation Assumptions
7.2.1.3.1.1 Legacy Terminals
7.2.1.3.1.2 Transmitted MUROS Signal Word‑p. 95
7.2.1.3.1.3 MUROS Interference Models
7.2.1.3.1.4 Other Simulation Parameter
7.2.1.3.2 Downlink Performance Results
7.2.1.3.2.1 Sensitivity Performance
7.2.1.3.2.2 MTS-1 Performance Word‑p. 96
7.2.1.3.2.3 MTS-2 Performance Word‑p. 97
7.2.1.3.2.4 MTS-3 Performance Word‑p. 98
7.2.1.3.2.5 MTS-4 Performance Word‑p. 99
7.2.1.3.2.6 ACI Performance Word‑p. 100
7.2.1.3.3 Summary of results Word‑p. 101
7.2.2 Network Level Performance
7.2.2.1 Network Configurations
7.2.2.2 Performance results Word‑p. 102
7.2.2.2.1 MUROS-1 Word‑p. 103
7.2.2.2.2 MUROS-2
7.2.2.2.3 MUROS-3
7.2.2.2.4 OSC capacity gains and HW efficiency Word‑p. 104
7.2.2.2.5 Performance of optimized user diversity Word‑p. 105
7.2.2.2.6 Performance applying Sub Channel Specific Power Control for OSC Word‑p. 106
7.2.2.2.7 Performance for Usage of Optimized TX Pulse Shape in Downlink Word‑p. 107
7.2.2.2.7.1 Setup for System Performance Evaluation
7.2.2.2.7.2 System Performance Results
7.2.2.2.7.3 Performance Comparison Word‑p. 111
7.2.3 Performance Summary Word‑p. 113
7.2.4 Modelling methodology for a VAMOS and legacy mobile receiver
7.2.4.1 Introduction
7.2.4.2 L2S Modelling Methodology
7.2.4.3 Initial Interference Profile Word‑p. 114
7.2.4.4 'ACP' factors Word‑p. 115
7.2.4.4.1 Introduction
7.2.4.4.2 RawBER 'ACP' factors for VAMOS I receiver
7.2.4.4.3 RawBER 'ACP' factors for Legacy Non-DARP receiver Word‑p. 116
7.2.4.5 Final Interference Profile Word‑p. 117
7.2.5 Verification of Link to System Mapping Word‑p. 119
7.2.5.1 Introduction
7.2.5.2 Link To System Interface For Vamos-I Receiver
7.2.5.3 Mappings For The Vamos-I Receiver Word‑p. 120
7.2.5.3.1 MUROS-1
7.2.5.3.1.1 50 % VAMOS-I mobile penetration
7.2.5.3.1.2 75 % VAMOS-I mobile penetration Word‑p. 121
7.2.5.3.1.3 100 % VAMOS-I mobile penetration Word‑p. 122
7.2.5.3.2 MUROS-2 Word‑p. 124
7.2.5.4 Mappings For The Legacy Non-Darp Receiver Word‑p. 128
7.3 Impacts on the Mobile Station Word‑p. 129
7.4 Impacts on the BSS
7.5 Impacts on Network Planning
7.5.1 Impacts to Abis interface
7.5.1.1 Impact of OSC on Abis allocation strategy
7.5.1.2 Impact of OSC on bandwidth consumption Word‑p. 131
7.5.1.3 Abis migration paths
7.5.2 Impacts on Frequency Planning Word‑p. 132
7.6 Impacts on the Specifications
7.7 Summary of Evaluation versus Objectives
7.7.1 Performance objectives Word‑p. 133
7.7.2 Compatibility objectives Word‑p. 134
7.8 References Word‑p. 135
