ETSI TR 103 554-2 V1.1.1 (2021-02)

Rail Telecommunications (RT); Next Generation Communication System; Radio performance simulations and evaluations in rail environment; Part 2: New Radio (NR)

DTR/RT-0050

General Information

• Status: Not Published
• Technical Committee: RT - Railway telecommunications
• Current Stage: 12 - Completion
• Due Date: 15-Feb-2021
• Completion Date: 22-Feb-2021

Standards Content (Sample)

ETSI TR 103 554-2 V1.1.1 (2021-02)






TECHNICAL REPORT
Rail Telecommunications (RT);
Next Generation Communication System;
Radio performance simulations and
evaluations in rail environment;
Part 2: New Radio (NR)

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2 ETSI TR 103 554-2 V1.1.1 (2021-02)



Reference
DTR/RT-0050
Keywords
FRMCS, radio, railways, simulation
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3 ETSI TR 103 554-2 V1.1.1 (2021-02)
Contents
Intellectual Property Rights . 8
Foreword . 8
Modal verbs terminology . 8
Executive summary . 8
Introduction . 9
1 Scope . 10
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 10
3 Definition of terms, symbols and abbreviations . 11
3.1 Terms . 11
3.2 Symbols . 11
3.3 Abbreviations . 11
4 Assumptions and Parameters for Simulations and Evaluations . 12
4.1 Introduction . 12
4.2 Scenarios . 13
4.3 System-related Parameters . 13
4.3.1 Spectrum, system bandwidths and operation modes . 13
4.3.1.1 900 MHz FDD . 13
4.3.1.2 1 900 MHz TDD . 13
4.3.2 Transmit power assumptions . 13
4.3.2.1 Downlink case . 13
4.3.2.2 Uplink case . 13
4.3.3 Antenna parametrization . 14
4.3.3.1 Trackside/BS . 14
4.3.3.2 Train side/UE . 14
4.3.4 Multi-antenna/MIMO configurations under consideration . 14
4.3.5 Inter-site Interference mitigation method . 14
4.4 Deployment-Related Parameters . 15
4.4.1 Cellular layout . 15
4.4.2 Neighbour cell interference models . 15
4.4.3 Train and railway track assumptions . 15
4.4.3.1 Common assumptions to all scenarios . 15
4.4.3.2 Rural scenario - High-speed segment . 16
4.4.3.3 Urban scenario - High-density segment . 16
4.4.3.4 Urban scenario - Low-density segment . 16
4.5 Additional Conditions to be Documented . 16
4.6 Simulation Methodology and Propagation Model Aspects . 16
4.6.1 Common link- and system level assumptions . 16
4.6.2 Specific link- and system level assumptions and simulator tools . 16
4.6.2.1 Company A . 16
4.6.2.1.1 Simulator Introduction . 16
4.6.2.1.2 Channel model . 17
4.6.2.1.3 Deployment Aspects . 18
4.6.2.1.4 Traffic model . 19
4.6.2.1.5 BS Tx power/EIRP . 19
4.6.2.1.6 UE Tx power . 20
4.6.2.1.7 Multi-antenna transmission and reception . 20
4.6.2.1.8 Link adaptation . 20
4.6.2.1.9 Frequency bands and duplex modes . 21
4.6.2.1.10 Overhead . 21
4.6.2.1.11 Uplink power control . 22
4.6.2.1.12 Aspects on resource sharing and scheduling . 23
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4 ETSI TR 103 554-2 V1.1.1 (2021-02)
4.6.2.2 Company B . 24
4.6.2.2.1 Simulator Introduction . 24
4.6.2.2.2 Short summary of simulation workflow . 24
4.6.2.2.3 Channel model . 25
4.6.2.2.4 Deployment . 25
4.6.2.2.5 Antenna models . 25
4.6.2.2.6 Link adaptation . 26
4.6.2.2.7 Duplex modes . 26
4.6.2.2.8 Power control . 26
4.6.2.2.9 Overhead . 27
4.6.2.2.10 Scheduling . 27
4.6.2.3 Company C . 27
4.6.2.3.1 Simulator Introduction . 27
4.6.2.3.2 Channel model . 29
4.6.2.3.3 Deployment aspects . 30
4.6.2.3.4 Traffic model . 30
4.6.2.3.5 BS Tx power . 30
4.6.2.3.6 UE Tx power . 30
4.6.2.3.7 Multi-antenna transmission and reception . 30
4.6.2.3.8 Link adaptation . 31
4.6.2.3.9 Frequency bands and duplex modes . 31
4.6.2.3.10 Overhead . 31
4.6.2.3.11 Uplink power control . 31
4.6.2.3.12 Aspects on resource sharing and scheduling . 31
5 Evaluation . 31
5.1 Evaluation Methodology . 31
5.1.1 Common evaluation and analysis criteria . 31
5.1.2 Specific evaluation and analysis criteria . 32
5.1.2.1 Company A . 32
5.1.2.2 Company B . 33
5.1.2.3 Company C . 33
6 Simulation Results . 34
6.1 Results description for 900 MHz . 34
6.1.1 Company A . 34
6.1.1.1 Rural UL 8 km ISD/2 cells site . 34
6.1.1.1.1 Analysis of Results . 34
6.1.1.1.2 Table Summary of Results for 8 km ISD Rural UL 900 MHz in kbps . 36
6.1.1.2 High Density Urban UL 4 km ISD/2 cells/site . 36
6.1.1.2.1 Analysis of Results . 36
6.1.1.2.2 Urban Uplink 4 km ISD UL power Summary of Results in kbps . 39
6.1.1.2.3 High Density Urban UL 2 km ISD/2 cells/site . 39
6.1.1.3 Rural DL 8km ISD/2 cells/site . 39
6.1.1.3.1 Analysis of Results . 39
6.1.1.3.2 46 dBm Rural DL 900 MHz 8 km ISD . 41
6.1.1.4 High-Density Urban DL 4 km ISD/2 cells/site . 42
6.1.1.4.1 Analysis of Results . 42
6.1.1.4.2 Table Summary of Results 900 MHz DL 4km ISD in kbps . 43
6.1.1.4.3 Table Summary of Results 900 MHz DL 2 km ISD in kbps . 43
6.1.2 Company B . 43
6.1.2.1 Rural scenario: 8 KM ISD, 2 cells/site . 43
6.1.2.2 Urban scenario: 2 KM ISD, 2 cells/site . 43
6.1.2.3 Urban scenario: 4 KM ISD, 2 cells/site . 44
6.1.3 Company C . 44
6.1.3.1 Analysis of Results . 44
6.1.3.2 Rural Area - ISD 8 Km - Uplink . 45
6.1.3.3 Rural Area - ISD 8Km - downlink . 47
6.1.3.4 Hilly Terrain - ISD 8Km - Uplink . 47
6.1.3.5 Hilly Terrain - ISD 8 Km - downlink . 48
6.1.3.6 Urban Area - ISD 2Km - Uplink . 48
6.1.3.7 Urban Area - ISD 2Km - Downlink . 48
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5 ETSI TR 103 554-2 V1.1.1 (2021-02)
6.1.3.8 Urban Area High Density - ISD 4Km - Uplink . 49
6.1.3.9 Urban Area High Density - ISD 4Km - Downlink . 49
6.2 Results description for 1 900 MHz . 49
6.2.1 Company A . 49
6.2.1.1 Rural UL . 49
6.2.1.1.1 Analysis of Results . 49
6.2.1.1.2 Table Summary of Results Rural UL 4 km ISD 50:50 in kbps . 53
6.2.1.1.3 Table Summary of Results 1 900 MHz UL 4km ISD 90:10 in kbps . 54
6.2.1.1.4 Table Summary of Results 1 900 MHz UL 8km ISD 50:50 in kbps . 54
6.2.1.2 Rural DL . 54
6.2.1.2.1 Analysis of Results . 54
6.2.1.2.2 Table Summary of Results 1 900 MHz DL 40 dBm EIRP 90:10 in kbps . 55
6.2.1.2.3 Table Summary of Results 1 900 MHz DL 40 dBm EIRP 50:50 in kbps . 55
6.2.1.2.4 Table Summary of Results 63 dBm EIRP 50:50 8 km ISD in kbps 50:50 8 km ISD . 55
6.2.1.3 Urban DL ISD 2 km and 4 km/2 cells/site . 55
6.2.1.3.1 Analysis of Results . 55
6.2.1.3.2 Table Summary of Results 1 900 MHz DL 40 dBm EIRP 50:50 in kbps . 56
6.2.1.3.3 Table: Urban Downlink 1 900 MHz 40 dBm 90:10 in kbps . 56
6.2.1.4 High Density Urban UL 2 km ISD . 56
6.2.1.4.1 Analysis of Results . 56
6.2.1.4.2 Table Summary of Results 1 900 MHz UL 2 km ISD 50:50 in kbps . 58
6.2.1.4.3 Table Summary of Results 1 900 MHz UL 2 km ISD 90:10 in kbps . 58
6.2.2 Company B . 59
6.2.2.1 Rural scenario: 8 KM ISD, 2 cells/site . 59
6.2.2.2 Rural scenario: 6 KM ISD, 2 cells/site . 60
6.2.2.3 Rural scenario: 4 KM ISD, 2 cells/site . 62
6.2.2.4 Urban scenario: 2 KM ISD, 2 cells/site . 64
6.2.2.5 Urban scenario: 4 KM ISD, 2 cells/site . 65
6.2.3 Company C . 67
6.2.3.1 Rural Area - ISD 8Km - Uplink - Analysis . 67
6.2.3.2 Rural Area - ISD 8Km - Uplink - Results . 67
6.2.3.3 Rural Area - ISD 8Km - downlink . 67
6.2.3.4 Rural Area - ISD 6Km - Uplink . 68
6.2.3.5 Rural Area - ISD 6Km - downlink . 68
6.2.3.6 Rural Area - ISD 4Km - Uplink . 68
6.2.3.7 Rural Area - ISD 4Km - downlink . 69
6.2.3.8 Hilly Terrain - ISD 8Km - Uplink . 69
6.2.3.9 Hilly Terrain - ISD 8Km - downlink . 69
6.2.3.10 Urban Area - ISD 2Km - Uplink . 70
6.2.3.11 Urban Area - ISD 2Km - Downlink . 70
6.2.3.12 Urban Area High Density - ISD 4Km - Uplink . 70
6.2.3.13 Urban Area High Density - ISD 4Km - Downlink . 71
6.2.3.14 Summary . 71
6.3 Comparison Cell Edge Throughput Companies A, B and C . 71
6.3.1 Comparison Overview . 71
6.3.2 900 MHz Rural scenario 8 km ISD . 72
6.3.3 900 MHz High Density Urban scenario 2 km ISD . 75
6.3.4 900 MHz High Density Urban scenario 4 km ISD . 76
6.3.5 1 900 MHz Rural Scenario - 8 km ISD UL 50:50 in kbps . 78
6.3.6 1 900 MHz Rural Scenario - 8 km ISD UL 90:10 in kbps . 79
6.3.7 1 900 MHz Rural Scenario - 6 km ISD UL 50:50 in kbps . 80
6.3.8 1 900 MHz Rural Scenario - 6 km ISD UL 90:10 in kbps . 81
6.3.9 1 900 MHz Rural Scenario - 4 km ISD UL 50:50 in kbps . 82
6.3.10 1 900 MHz Rural Scenario - 4km ISD UL 90:10 in kbps . 83
6.3.11 1 900 MHz Rural Scenario - DL 40 dBm EIRP 90:10 in kbps . 84
6.3.12 1 900 MHz Rural Scenario - DL 40 dBm EIRP 50:50 in kbps . 85
6.3.13 1 900 MHz Rural Scenario - DL 63 dBm EIRP 50:50 in kbps . 87
6.3.14 1 900 MHz Rural Scenario - DL 63 dBm EIRP 90:10 in kbps . 89
6.3.15 1 900 MHz Urban Scenario - DL 40 dBm EIRP 50:50 in kbps . 90
6.3.16 1 900 MHz Urban Scenario - DL 63 dBm EIRP 90:10 in kbps . 91
6.3.17 1 900 MHz Urban Scenario - DL 63 dBm EIRP 50:50 in kbps . 92
6.3.18 1 900 MHz Urban Scenario - DL 40 dBm EIRP 90:10 in kbps . 93
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6 ETSI TR 103 554-2 V1.1.1 (2021-02)
6.3.19 1 900 MHz High Density Scenario - UL 2 km ISD 50:50 in kbps . 94
6.3.20 1 900 MHz High Density Scenario - UL 2 km ISD 90:10 in kbps . 95
6.3.21 1 900 MHz High Density Scenario - UL 4 km ISD 50:50 in kbps . 96
6.3.22 1 900 MHz High Density Scenario - UL 4 km ISD 90:10 in kbps . 97
6.4 Identified System Limitations . 98
6.4.1 Overview of System Limitations .
...