ETSI TR 102 376-2 V1.2.1 (2021-01)

Digital Video Broadcasting (DVB); Implementation guidelines for the second generation system for Broadcasting, Interactive Services, News Gathering and other broadband satellite applications; Part 2: S2 Extensions (DVB-S2X)

RTR/JTC-DVB-393

General Information

• Status: Not Published
• Technical Committee: BROADCAS - EBU/CENELEC/ETSI on Broadcasting
• Current Stage: 12 - Completion
• Due Date: 25-Jan-2021
• Completion Date: 28-Jan-2021

Standards Content (Sample)

ETSI TR 102 376-2 V1.2.1 (2021-01)






TECHNICAL REPORT
Digital Video Broadcasting (DVB);
Implementation guidelines for the second generation system
for Broadcasting, Interactive Services, News Gathering and
other broadband satellite applications;
Part 2: S2 Extensions (DVB-S2X)



---------------------- Page: 1 ----------------------
2 ETSI TR 102 376-2 V1.2.1 (2021-01)



Reference
RTR/JTC-DVB-393
Keywords
broadband, broadcasting, digital, satellite, TV,
video
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

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.
© European Broadcasting Union 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 102 376-2 V1.2.1 (2021-01)
Contents
Intellectual Property Rights . 8
Foreword . 8
Modal verbs terminology . 9
1 Scope . 10
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 10
3 Definition of terms, symbols and abbreviations . 12
3.1 Terms . 12
3.2 Symbols . 12
3.3 Abbreviations . 13
4 General description of the technical characteristics of the DVB-S2X extensions . 17
4.0 Overview . 17
4.1 DVB commercial requirements . 17
4.1.0 Background . 17
4.1.1 Use Cases for an enhanced DVB-S2 Standard . 18
4.1.1.0 General aspects . 18
4.1.1.1 Direct-to-Home . 18
4.1.1.2 Applications requiring low SNR links . 18
4.1.2 Commercial requirements for the enhancements of the DVB-S2 standard . 18
4.1.3 Commercial requirements for the enhancements of the DVB-S2 standard to support beam hopping . 20
4.2 Application scenarios . 20
4.3 System architecture . 21
4.3.0 General . 21
4.3.1 CRC8_MODE computation in GSE High Efficiency Mode (GSE-HEM) . 21
4.3.2 Signalling of the DVB-S2X MODCODs . 22
4.3.3 Roll off detection on DVB-S2X . 23
4.3.4 Reference performance . 24
4.4 Channel models . 26
4.4.0 Introduction. 26
4.4.1 DTH Broadcasting services . 27
4.4.1.0 General description . 27
4.4.1.1 Uplink station HPA . 29
4.4.1.2 IMUX and OMUX filters . 29
4.4.1.3 Cross-polar interference models. 31
4.4.1.3.0 General description . 31
4.4.1.3.1 Satellite antenna polarization discrimination . 31
4.4.1.3.2 Depolarization . 31
4.4.1.3.3 User terminal outdoor unit polarization isolation . 32
4.4.1.3.4 Cross-polarization summary model . 33
4.4.1.4 On-board TWTA . 33
4.4.1.5 Interference Scenarios for the evolutionary path. 35
4.4.1.5.0 Overview . 35
4.4.1.5.1 Adjacent Satellite Interference . 36
4.4.1.6 Phase and Frequency Errors . 38
4.4.1.6.1 Phase noise . 38
4.4.1.6.2 Carrier Frequency instabilitie s . 40
4.4.1.7 Receiver Amplitude Distortions . 40
4.4.1.8 Fading Dynamics . 40
4.4.2 VSAT Outbound . 41
4.4.2.1 Scenarios . 41
4.4.2.1.1 Single Beam in Ku-band. 41
4.4.2.1.2 Multi-spot beam in Ka-band . 41
4.4.2.2 VSAT Forward Links in regions prone to deep transient atmospheric fading . 49
ETSI

---------------------- Page: 3 ----------------------
4 ETSI TR 102 376-2 V1.2.1 (2021-01)
4.4.2.3 Channel models for the VSAT outbound scenarios . 50
4.4.2.3.0 Introduction . 50
4.4.2.3.1 Single beam in Ku-band . 50
4.4.2.3.2 Multi-carrier per TWTA and high number of colours (negligible co-channel interference) . 50
4.4.2.3.3 Single Carrier per TWTA and 2 colours . 52
4.4.2.4 Phase Noise Masks . 54
4.4.3 Broadcast Distribution, Contribution and High Speed IP links . 56
4.4.3.0 Introduction . 56
4.4.3.1 Notes on optimization criteria for contribution links . 56
4.4.3.1.0 Introduction . 56
4.4.3.1.1 Example of Link Budget over an Existing Satellite. 56
4.4.3.2 A Channel Model for Contribution Links . 59
4.4.3.2.0 General description . 59
4.4.3.2.1 GW HPA . 61
4.4.3.2.2 IMUX and OMUX Filter . 61
4.4.3.2.3 On-board TWTA . 61
4.4.3.2.4 Phase and Frequency Errors . 61
4.4.3.2.5 Receiver Amplitude Distortions . 62
4.4.4 Emerging Mobile Applications (airborne and railway) . 62
4.4.4.0 Introduction . 62
4.4.4.1 Frequency Stability and Phase Noise . 62
4.4.4.2 Terminal-Motion Doppler Shift . 62
4.4.4.3 Multipath Fading . 64
4.4.4.4 Shadowing . 64
4.4.4.5 Adjacent Satellite Interference . 64
4.4.4.6 SNR Dynamics . 65
4.4.4.6.0 General description . 65
4.4.4.6.1 Forward Link . 66
4.4.4.6.2 Return Link . 66
4.4.4.7 Summary of the Channel Models for the Mobile Services . 67
4.5 Performance over typical satellite channels . 69
4.5.0 Introduction. 69
4.5.1 Reference Receiver Architecture . 69
4.5.2 Performance in DTH Broadcasting Services . 70
4.5.3 Performance in VSAT Outbound . 73
4.5.4 Performance in Broadcast Distribution, Contribution and High Speed IP links . 78
4.6 Channel bonding . 80
4.6.0 Introduction. 80
4.6.1 The principle and advantages of Channel Bonding . 80
4.6.2 Channel bonding for TS transmissions . 81
4.6.3 Channel bonding for GSE transmissions . 85
4.7 S2X system configurations . 85
5 Broadcast applications . 87
5.0 Introduction . 87
5.1 DVB-S2X features for broadcast applications . 87
5.1.1 Broadcasting with differentiated channel protection . 87
5.1.2 Channel bonding . 88
5.1.3 Higher order modulation . 88
5.2 Comparative Performance Assessment . 88
5.2.0 Introduction. 88
5.2.1 Receiver architecture assumptions . 88
5.2.2 Video Service Quality . 89
5.2.3 Example Scenario 1: Ku-band broadcasting with a wide coverage . 89
5.2.3.0 Introduction . 89
5.2.3.1 Study cases for reference scenario 1 . 91
5.2.3.1.0 Introduction . 91
5.2.3.1.1 Study Case 1.1: DVB-S2 with legacy receiver and MPEG-4 decoder . 91
5.2.3.1.2 Study Case 1.2: DVB-S2 with enhanced receiver and MPEG-4 decoder . 91
5.2.3.1.3 Study Case 1.3: DVB-S2X with enhanced receiver and MPEG-4 decoder . 91
5.2.3.1.4 Study Case 1.4: DVB-S2 with enhanced receiver and HEVC decoder . 91
5.2.3.1.5 Study Case 1.5: DVB-S2X with enhanced receiver and MPEG-4 decoder . 91
ETSI

---------------------- Page: 4 ----------------------
5 ETSI TR 102 376-2 V1.2.1 (2021-01)
5.2.3.2 Comparative performance results for reference scenario 1 . 93
5.2.4 Example Scenario 2: Ka-band Multi-Beam broadcasting satellite . 94
5.2.4.0 General . 94
5.2.4.1 Study cases for reference scenario 2 . 96
5.2.4.1.0 Introduction . 96
5.2.4.1.1 Study Case 2.1: Ku-band reference system with DVB-S2 and legacy receiver . 96
5.2.4.1.2 Study Case 2.2: Ku-band reference system with DVB-S2 and enhanced receiver . 96
5.2.4.1.3 Study Case 2.3: Ku-band reference system with DVB-S2X with channel bonding . 96
5.2.4.1.4 Study Case 2.4: Ka-band system with DVB-S2 and enhanced receiver . 96
5.2.4.1.5 Study Case 2.5: Ka-band system with DVB-S2X . 96
5.2.4.1.6 Study Case 2.6: Ka-band system with DVB-S2X and 97,0 % UHD availability . 96
5.2.4.2 Comparative performance results for reference scenario 2 . 98
6 Interactive applications. 99
6.0 Introduction . 99
6.1 Performance over next generation multi-beam broadband systems . 100
6.1.0 General . 100
6.1.1 200 multi-spot beam European scenario . 102
6.1.1.0 Description of the scenario . 102
6.1.1.1 Baseline performance with DVB-S2, roll-off 20 % . 103
6.1.1.2 Performance with DVB-S2X, roll-off 20 % . 105
6.1.1.3 Performance with DVB-S2X, roll-off 5 % . 106
6.1.2 40 multi-spot beam regional scenario . 107
6.1.2.0 Description of the scenario . 107
6.1.2.1 Baseline performance with DVB-S2, roll-off 20 % . 108
6.1.2.2 Performance with DVB-S2X, roll-off 20 % . 110
6.1.2.3 Performance with DVB-S2X, roll-off 5 % . 110
6.1.3 Conclusions on the performance of DVB-S2X for next generation broadband networks . 112
7 Contribution services, data content distribution/trunking and other professional applications . 112
8 VL-SNR applications . 114
8.0 Introduction . 114
8.1 Operation in Heavy Fade Conditions . 114
8.2 Small-Aperture Antenna Reception. 116
8.3 Contribution Links Originating from Small-Aperture Terminals . 117
Annex A: Linear MODCODs . 120
Annex B: DVB-S2X VL-SNR Modes . 121
B.1 VL-SNR MODCODs . 121
B.2 VL-SNR Frame and pilot structure . 126
B.3 VL-SNR MODCOD Signalling . 127
B.4 VL-SNR Dummy Frames . 131
B.5 Dummy Synchronization Scheme (optional) . 133
B.5.0 General . 133
B.5.1 The problem scenario . 133
B.5.2 Proposed Solution . 134
B.5.3 Notes on using DSF . 135
B.5.4 Conclusions . 135
Annex C: Super-Framing structure . 137
C.0 General description. 137
C.1 Application Scenarios and System Setup . 139
C.1.0 Introduction to Super-Frame Formats . 139
C.1.1 Focus of Super-Frame Formats . 139
C.1.2 Comparison of Super-Frame Format Features . 139
C.1.3 Application Scenario Beam-Hopping/-Switching . 141
C.1.4 Beam Hopping System Configurations allowed by Format 5, 6 and 7 . 143
ETSI

---------------------- Page: 5 ----------------------
6 ETSI TR 102 376-2 V1.2.1 (2021-01)
C.1.4.1 Beam-Hopping System Considerations . 143
C.1.4.1.0 Beam-Hopping Scenarios . 143
C.1.4.1.1 Operation Strategies . 143
C.1.4.1.2 Beam Hopping System Deployment . 147
C.1.4.1.2.0 Introduction . 147
C.1.4.1.2.1 BHTP Planning and Superframe Size Considerations . 148
C.1.4.1.2.2 Grid Operation . 150
C.1.4.1.2.3 Control Channel and Cell ID Considerations . 151
C.1.4.1.2.4 Proprietary Signalling . 151
C.1.4.2 Terminal Synchronization Schemes. 152
C.1.4.2.1 Bursty Data Reception . 152
C.1.4.2.2 Start of Super-Frame Detection.
...