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

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)

---------------------- Page: 1 ----------------------
2 ETSI TR 103 554-2 V1.1.1 (2021-02)



Reference
DTR/RT-0050
Keywords
FRMCS, radio, railways, simulation
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: +33 4 92 94 42 00  Fax: +33 4 93 65 47 16

Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88

Important notice
The present document can be downloaded from:
http://www.etsi.org/standards-search
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx
If you find errors in the present document, please send your comment to one of the following services:
https://portal.etsi.org/People/CommiteeSupportStaff.aspx
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying
and microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.

© ETSI 2021.
All rights reserved.

DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and
of the oneM2M Partners.
®
GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI

---------------------- Page: 2 ----------------------
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
ETSI

---------------------- Page: 3 ----------------------
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
ETSI

---------------------- Page: 4 ----------------------
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
ETSI

---------------------- Page: 5 ----------------------
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 .
...