1、 ETSI TR 102 376-2 V1.1.1 (2015-11) 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) TECHNICAL REPORT floppy3ETSI ETSI TR 102
2、 376-2 V1.1.1 (2015-11)2 Reference DTR/JTC-DVB-354-2 Keywords broadband, broadcasting, digital, satellite, TV, video 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 but non lucratif e
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8、hts reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and
9、owned by the GSM Association. ETSI ETSI TR 102 376-2 V1.1.1 (2015-11)3 Contents Intellectual Property Rights 8g3Foreword . 8g3Modal verbs terminology 8g31 Scope 9g32 References 9g32.1 Normative references . 9g32.2 Informative references 9g33 Symbols and abbreviations . 11g33.1 Symbols 11g33.2 Abbrev
10、iations . 12g34 General description of the technical characteristics of the DVB-S2X extensions . 15g34.0 Overview 15g34.1 Commercial requirements 15g34.1.0 Background . 15g34.1.1 Use Cases for an enhanced DVB-S2 Standard . 16g34.1.1.0 General aspects . 16g34.1.1.1 Direct-to-Home . 16g34.1.1.2 Applic
11、ations requiring low SNR links 16g34.1.2 Commercial requirements for the enhancements of the DVB-S2 standard 16g34.2 Application scenarios . 18g34.3 System architecture 19g34.3.0 General 19g34.3.1 CRC8_MODE computation in GSE High Efficiency Mode (GSE-HEM) . 19g34.3.2 Signalling of the DVB-S2X MODCO
12、Ds 19g34.3.3 Roll off detection on DVB-S2X . 20g34.3.4 Reference performance . 21g34.4 Channel models 24g34.4.0 Introduction. 24g34.4.1 DTH Broadcasting services 25g34.4.1.0 General description . 25g34.4.1.1 Uplink station HPA . 27g34.4.1.2 IMUX and OMUX filters 27g34.4.1.3 Cross-polar interference
13、models 29g34.4.1.3.0 General description 29g34.4.1.3.1 Satellite antenna polarization discrimination . 29g34.4.1.3.2 Depolarization . 29g34.4.1.3.3 User terminal outdoor unit polarization isolation 30g34.4.1.3.4 Cross-polarization summary model . 31g34.4.1.4 On-board TWTA . 31g34.4.1.5 Interference
14、Scenarios for the evolutionary path. 33g34.4.1.5.0 Overview . 33g34.4.1.5.1 Adjacent Satellite Interference 34g34.4.1.6 Phase and Frequency Errors 36g34.4.1.6.1 Phase noise 36g34.4.1.6.2 Carrier Frequency instabilities . 38g34.4.1.7 Receiver Amplitude Distortions 38g34.4.1.8 Fading Dynamics 38g34.4.
15、2 VSAT Outbound . 39g34.4.2.1 Scenarios . 39g34.4.2.1.1 Single Beam in Ku-band 39g34.4.2.1.2 Multi-spot beam in Ka-band 39g34.4.2.1.2.0 General description of the scenarios 39g34.4.2.1.2.1 71 beams with a 4 colours scheme . 40g34.4.2.1.2.2 71 beams with a 2 colours scheme . 42g34.4.2.1.2.3 200 beams
16、 with a 4 colours scheme and 500 MHz of total user bandwidth 44g3ETSI ETSI TR 102 376-2 V1.1.1 (2015-11)4 4.4.2.1.2.4 200 Beams with a 4 colours scheme and 3 GHz of total user bandwidth 46g34.4.2.2 VSAT Forward Links in regions prone to deep transient atmospheric fading 47g34.4.2.3 Channel models fo
17、r the VSAT outbound scenarios 48g34.4.2.3.0 Introduction . 48g34.4.2.3.1 Single beam in Ku-band 48g34.4.2.3.2 Multi-carrier per TWTA and high number of colours (negligible co-channel interference) . 48g34.4.2.3.2.0 General description 48g34.4.2.3.2.1 GW HPA 49g34.4.2.3.2.2 IMUX and DIPLEXER filters
18、50g34.4.2.3.2.3 On-board TWTA 50g34.4.2.3.2.4 Phase and Frequency Errors . 50g34.4.2.3.2.5 Receiver Amplitude Distortions. 50g34.4.2.3.3 Single Carrier per TWTA and 2 colours 50g34.4.2.3.3.0 General description 50g34.4.2.3.3.1 GW HPA 51g34.4.2.3.3.2 IMUX and User Bandwidth Filter . 52g34.4.2.3.3.3 T
19、WTA 52g34.4.2.3.3.4 Co-channel Interference Model . 52g34.4.2.3.3.5 Phase and Frequency Error 52g34.4.2.3.3.6 Receiver Amplitude Distortions. 52g34.4.2.4 Phase Noise Masks 52g34.4.3 Broadcast Distribution, Contribution and High Speed IP links 54g34.4.3.0 Introduction . 54g34.4.3.1 Notes on optimizat
20、ion criteria for contribution links 54g34.4.3.1.0 Introduction . 54g34.4.3.1.1 Example of Link Budget over an Existing Satellite. 54g34.4.3.2 A Channel Model for Contribution Links . 57g34.4.3.2.0 General description 57g34.4.3.2.1 GW HPA . 59g34.4.3.2.2 IMUX and OMUX Filter . 59g34.4.3.2.3 On-board
21、TWTA . 59g34.4.3.2.4 Phase and Frequency Errors 59g34.4.3.2.5 Receiver Amplitude Distortions 59g34.4.4 Emerging Mobile Applications (airborne and railway) 60g34.4.4.0 Introduction . 60g34.4.4.1 Frequency Stability and Phase Noise 60g34.4.4.2 Terminal-Motion Doppler Shift 60g34.4.4.3 Multipath Fading
22、 . 61g34.4.4.4 Shadowing . 61g34.4.4.5 Adjacent Satellite Interference 62g34.4.4.6 SNR Dynamics 63g34.4.4.6.0 General description 63g34.4.4.6.1 Forward Link . 63g34.4.4.6.2 Return Link 64g34.4.4.7 Summary of the Channel Models for the Mobile Services . 64g34.5 Performance over typical satellite chan
23、nels . 66g34.5.0 Introduction. 66g34.5.1 Reference Receiver Architecture 67g34.5.2 Performance in DTH Broadcasting Services 67g34.5.3 Performance in VSAT Outbound 71g34.5.4 Performance in Broadcast Distribution, Contribution and High Speed IP links . 75g34.6 Channel bonding 78g34.6.0 Introduction. 7
24、8g34.6.1 The principle and advantages of Channel Bonding 78g34.6.2 Channel bonding for TS transmissions . 79g34.6.3 Channel bonding for GSE transmissions 82g34.7 S2X system configurations . 82g35 Broadcast applications 84g35.0 Introduction 84g35.1 DVB-S2X features for broadcast applications . 84g35.
25、1.1 Broadcasting with differentiated channel protection 84g3ETSI ETSI TR 102 376-2 V1.1.1 (2015-11)5 5.1.2 Channel bonding . 85g35.1.3 Higher order modulation . 85g35.2 Comparative Performance Assessment 85g35.2.0 Introduction. 85g35.2.1 Receiver architecture assumptions 85g35.2.2 Video Service Qual
26、ity . 86g35.2.3 Example Scenario 1: Ku-band broadcasting with a wide coverage 86g35.2.3.0 Introduction . 86g35.2.3.1 Study cases for reference scenario 1 . 88g35.2.3.1.0 Introduction . 88g35.2.3.1.1 Study case 1.1: DVB-S2 with legacy receiver and MPEG-4 decoder . 88g35.2.3.1.2 Study case 1.2: DVB-S2
27、 with enhanced receiver and MPEG-4 decoder 88g35.2.3.1.3 Study case 1.3: DVB-S2X with enhanced receiver and MPEG-4 decoder 88g35.2.3.1.4 Study case 1.4: DVB-S2 with enhanced receiver and HEVC decoder 88g35.2.3.1.5 Study case 1.5: DVB-S2X with enhanced receiver and MPEG-4 decoder 88g35.2.3.2 Comparat
28、ive performance results for reference scenario 1 . 90g35.2.4 Example Scenario 2: Ka-band Multi-Beam broadcasting satellite . 91g35.2.4.0 General 91g35.2.4.1 Study cases for reference scenario 2 . 93g35.2.4.1.0 Introduction . 93g35.2.4.1.1 Study case 2.1: Ku-band reference system with DVB-S2 and lega
29、cy receiver . 93g35.2.4.1.2 Study case 2.2: Ku-band reference system with DVB-S2 and enhanced receiver . 93g35.2.4.1.3 Study case 2.3: Ku-band reference system with DVB-S2X with channel bonding . 93g35.2.4.1.4 Study case 2.4: Ka-band system with DVB-S2 and enhanced receiver . 93g35.2.4.1.5 Study cas
30、e 2.5: Ka-band system with DVB-S2X 93g35.2.4.1.6 Study case 2.6: Ka-band system with DVB-S2X and 97,0 % UHD availability . 93g35.2.4.2 Comparative performance results for reference scenario 2 . 95g36 Interactive applications. 96g36.0 Introduction 96g36.1 Performance over next generation multi-beam b
31、roadband systems . 97g36.1.0 General 97g36.1.1 200 multi-spot beam European scenario . 99g36.1.1.0 Description of the scenario 99g36.1.1.1 Baseline performance with DVB-S2, roll-off 20 % 100g36.1.1.2 Performance with DVB-S2X, roll-off 20 % 102g36.1.1.3 Performance with DVB-S2X, roll-off 5 % 103g36.1
32、.2 40 multi-spot beam regional scenario . 104g36.1.2.0 Description of the scenario 104g36.1.2.1 Baseline performance with DVB-S2, roll-off 20 % 105g36.1.2.2 Performance with DVB-S2X, roll-off 20 % 107g36.1.2.3 Performance with DVB-S2X, roll-off 5 % 107g36.1.3 Conclusions on the performance of DVB-S2
33、X for next generation broadband networks 109g37 Contribution services, data content distribution/trunking and other professional applications 109g38 VL-SNR applications . 111g38.0 Introduction 111g38.1 Operation in Heavy Fade Conditions . 111g38.2 Small-Aperture Antenna Reception 113g38.3 Contributi
34、on Links Originating from Small-Aperture Terminals . 114g3Annex A: Linear MODCODs 116g3Annex B: DVB-S2X VL-SNR Modes . 117g3B.1 VL-SNR MODCODs . 117g3B.2 VL-SNR Frame and pilot structure 122g3B.3 VL-SNR MODCOD Signalling . 123g3B.4 VL-SNR Dummy Frames . 126g3Annex C: Super-Framing structure . 128g3E
35、TSI ETSI TR 102 376-2 V1.1.1 (2015-11)6 C.0 General description. 128g3C.1 Application Scenarios and System Setup . 129g3C.1.0 Introduction to Super-Frame Formats 129g3C.1.1 Focus of Super-Frame Formats 129g3C.1.2 Comparison of Super-Frame Format Features . 130g3C.1.3 Application Scenario Beam-Hoppin
36、g/ -Switching . 131g3C.2 Clarifications and Additional Explanations of the Specification . 132g3C.2.0 General . 132g3C.2.1 Common Super-Frame Structure 132g3C.2.1.1 SF-Scrambler Implementation and Justification for Two-Way Scrambling . 132g3C.2.1.2 Two-Way Scrambler Configuration and SOSF and Pilots
37、 Sequence Selection in Interference Scenarios . 133g3C.2.1.3 Padding for 128APSK 136g3C.2.2 Additional information related to Format 0 and 1 136g3C.2.3 Additional information related to Format 2 and 3 136g3C.2.3.0 General aspects . 136g3C.2.3.1 Implementation of Spreading 136g3C.2.4 Additional infor
38、mation related to Format 4 136g3C.2.4.1 Modulation and Coding 136g3C.2.4.2 Implementation of Spreading 137g3C.2.4.3 VL-SNR operation in connection with CCM/ACM/VCM . 137g3C.2.4.4 Use of SID/ISI/TSN of the PLH . 137g3C.2.4.5 Application of Dummy-Frames 137g3C.2.4.6 PLFRAME Mapping into Super-Frame 13
39、8g3C.3 Synchronization to the Super-Frame (independent of content format) 140g3C.3.0 General aspects . 140g3C.3.1 SF-aided Timing Synchronization 140g3C.3.1.1 Conventional approach . 140g3C.3.1.2 SOSF + SFFI Assisted Symbol Timing Recovery 141g3C.3.1.3 Probability of SF-lock . 143g3C.3.2 SFFI Decode
40、r Performance 145g3C.4 Super-Frame-Format-specific Synchronization Cases . 145g3C.4.0 Introduction 145g3C.4.1 Format 0 and 1 146g3C.4.2 Format 2 and 3 146g3C.4.3 Format 4 . 146g3C.4.3.0 Overview 146g3C.4.3.1 SFH Word Error Rate . 146g3C.4.3.2 PLH Word Error Rate . 147g3C.5 Example of Exploitation of
41、 the Superframing Structure: Precoding in Broadband Interactive Networks 150g3C.5.1 System Elements for Applying Precoding in Multibeam High Throughput Systems 150g3C.5.1.0 General description . 150g3C.5.1.1 System Model Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI s
42、tandards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/ipr.etsi.org). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not
43、referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This Technical Report (TR) has been produced by Joint Technical Committee (JTC) Broadcast of the European Broadcasting Union (EBU), Comit Europen de
44、Normalisation ELECtrotechnique (CENELEC) and the European Telecommunications Standards Institute (ETSI). The work of the JTC was based on the studies carried out by the European DVB Project under the auspices of the Ad Hoc Group on DVB-S2 of the DVB Technical Module. This joint group of industry, op
45、erators and broadcasters provided the necessary information on all relevant technical matters (see clause 2). NOTE: The EBU/ETSI JTC Broadcast was established in 1990 to co-ordinate the drafting of standards in the specific field of broadcasting and related fields. Since 1995 the JTC Broadcast becam
46、e a tripartite body by including in the Memorandum of Understanding also CENELEC, which is responsible for the standardization of radio and television receivers. The EBU is a professional association of broadcasting organizations whose work includes the co-ordination of its members activities in the
47、 technical, legal, programme-making and programme-exchange domains. The EBU has active members in about 60 countries in the European broadcasting area; its headquarters is in Geneva. European Broadcasting Union CH-1218 GRAND SACONNEX (Geneva) Switzerland Tel: +41 22 717 21 11 Fax: +41 22 717 24 81 T
48、he Digital Video Broadcasting Project (DVB) is an industry-led consortium of broadcasters, manufacturers, network operators, software developers, regulatory bodies, content owners and others committed to designing global standards for the delivery of digital television and data services. DVB fosters
49、 market driven solutions that meet the needs and economic circumstances of broadcast industry stakeholders and consumers. DVB standards cover all aspects of digital television from transmission through interfacing, conditional access and interactivity for digital video, audio and data. The consortium came together in 1993 to provide global standardisation, interoperability and future proof specifications. The present document is part 2 of a multi-part deliverable covering the implementation guidelines for the second generation system for Broadcasting, Interactive Services
