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Draft
ETSI EN
Digital Vid
Second generation fra
modulation
Interactive
Se
other broadb
Part 2: DVB
EUROPEAN STANDARD
N
302 307-2
V1.1.1
ideo Broadcasting (DVB);
framing structure, channel co
n systems for Broadcasting,
Services, News Gathering and
dband satellite applications;
B
-S2 Extensions (DVB-S2X)
(2014-10)
coding and
,
nd
;
ETSI
Draft ETSI EN 302 307
-
2 V1.1.1 (2014
-
10)
2
Reference
DEN/JTC-DVB-341-2
Keywords
BSS, digital, DVB, modulation, satellite, TV
ETSI
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Important notice
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http://www.etsi.org
The present document may be made available in electronic versions and/or in print. The content of any
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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
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If you find errors in the present document, please send your comment to one of the following services:
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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.
© European Telecommunications Standards Institute 2014.
© European Broadcasting Union 2014.
All rights reserved.
DECT
TM
, PLUGTESTS
TM
, UMTS
TM
and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members.
3GPP
TM
and LTE
TM
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 owned by the GSM Association.
ETSI
Draft ETSI EN 302 307
-
2 V1.1.1 (2014
-
10)
3
Contents
Intellectual Property Rights ................................................................................................................................ 6
Foreword ............................................................................................................................................................. 6
Modal verbs terminology .................................................................................................................................... 7
Introduction ........................................................................................................................................................ 7
1 Scope ........................................................................................................................................................ 8
2 References ................................................................................................................................................ 8
2.1 Normative references ......................................................................................................................................... 8
2.2 Informative references ........................................................................................................................................ 9
3 Symbols and abbreviations ....................................................................................................................... 9
3.1 Symbols .............................................................................................................................................................. 9
3.2 Abbreviations ..................................................................................................................................................... 9
4 Transmission system description .............................................................................................................. 9
4.1 System definition ................................................................................................................................................ 9
4.2 System architecture ............................................................................................................................................ 9
4.3 System configurations ...................................................................................................................................... 10
5 Subsystems specifications ...................................................................................................................... 14
5.1 Mode adaptation ............................................................................................................................................... 14
5.1.1 Input Interfaces ........................................................................................................................................... 14
5.1.2 Input stream synchronizer (optional, not relevant for single TS - BS) ....................................................... 14
5.1.3 Null-Packet Deletion (ACM and Transport Stream only) .......................................................................... 14
5.1.4 CRC-8 encoder (for packetized streams only) ............................................................................................ 14
5.1.5 Merger/Slicer .............................................................................................................................................. 14
5.1.6 Base-Band Header insertion ....................................................................................................................... 14
5.1.7 GSE High Efficiency Mode (GSE-HEM) ................................................................................................... 15
5.1.8 Channel bonding for multi-tuner (L) receivers ........................................................................................... 16
5.1.8.1 Introduction to channel bonding ........................................................................................................... 16
5.1.8.2 Channel bonding for TS transmission ................................................................................................... 16
5.1.8.3 Channel bonding for GSE transmission ................................................................................................ 18
5.2 Stream Adaptation ............................................................................................................................................ 20
5.2.1 Padding ....................................................................................................................................................... 20
5.2.2 BB scrambling ............................................................................................................................................ 20
5.3 FEC Encoding .................................................................................................................................................. 20
5.3.1 Outer encoding (BCH) ................................................................................................................................ 21
5.3.2 Inner encoding (LDPC) .............................................................................................................................. 22
5.3.2.1 Inner coding for normal FECFRAME................................................................................................... 22
5.3.2.2 Inner coding for short and medium FECFRAME ................................................................................. 22
5.3.3 Bit interleaver ............................................................................................................................................. 23
5.4 Constellations and Bit mapping........................................................................................................................ 25
5.4.0 Bit mapping into π/2BPSK constellation (VL-SNR modes) ...................................................................... 25
5.4.1 Bit mapping into QPSK constellation ......................................................................................................... 25
5.4.2 Bit mapping into 8PSK and 8APSK constellations .................................................................................... 25
5.4.3 Bit mapping into 16APSK constellation ..................................................................................................... 26
5.4.4 Bit mapping into 32APSK constellations ................................................................................................... 28
5.4.5 Bit mapping into 64APSK constellations ................................................................................................... 30
5.4.6 Bit mapping into 128APSK constellations ................................................................................................. 33
5.4.7 Bit mapping into 256APSK constellations ................................................................................................. 35
5.5 Physical Layer (PL) framing ............................................................................................................................ 41
5.5.1 Dummy PLFRAME insertion ..................................................................................................................... 42
5.5.2 PL signalling ............................................................................................................................................... 42
5.5.2.1 SOF field ............................................................................................................................................... 44
5.5.2.2 MODCOD field ..................................................................................................................................... 44
5.5.2.3 TYPE field ............................................................................................................................................ 46
ETSI
Draft ETSI EN 302 307
-
2 V1.1.1 (2014
-
10)
4
5.5.2.4 PLS code, no time slicing ...................................................................................................................... 46
5.5.2.5 VL-SNR Header .................................................................................................................................... 47
5.5.2.6 Shortening and Puncturing of VL-SNR MODCODs ............................................................................ 49
5.5.3 Pilot Insertion.............................................................................................................................................. 49
5.5.4 Physical layer scrambling ........................................................................................................................... 50
5.5.4.1 PL scrambling for VL-SNR frames ...................................................................................................... 50
5.5.4.1.1 π/2-BPSK modulated frames ........................................................................................................... 51
5.6 Baseband shaping and quadrature modulation ................................................................................................. 51
6 Error performance .................................................................................................................................. 51
Annex A (normative): Signal spectrum at the modulator output .................................................... 54
Annex B (normative): Addresses of parity bit accumulators for n
ldpc
= 64 800 ........................... 56
Annex C (normative): Addresses of parity bit accumulators for nldpc = 16 200 and
nldpc = 32 400 ................................................................................................. 93
Annex D (normative): Additional tools .............................................................................................. 97
D.1 Implementation of TS based channel bonding ....................................................................................... 97
D.1.1 Transmitting side .............................................................................................................................................. 97
D.1.2 Receiving side (informative) ............................................................................................................................ 97
D.2 Void ........................................................................................................................................................ 97
D.3 Void ........................................................................................................................................................ 97
D.4 Void ........................................................................................................................................................ 98
D.5 Signalling of reception quality via return channel (Normative for ACM) ............................................. 98
Annex E (normative): Super-Framing Structure (optional) .......................................................... 100
E.1 Purpose of Super-Framing Structure .................................................................................................... 100
E.2 Specification of Super-Frame as a Container ....................................................................................... 100
E.2.1 Super-Frame Structure ................................................................................................................................... 100
E.2.2 Start of Super-Frame (SOSF) Field ................................................................................................................ 101
E.2.3 Super-Frame Format Indicator (SFFI) Field................................................................................................... 102
E.2.4 Two-Way Scrambling .................................................................................................................................... 102
E.2.4.1 Scrambling Sequence Generation ............................................................................................................. 102
E.2.4.2 Two-Way Scrambling Method ................................................................................................................. 103
E.3 Format Specifications as Super-Frame Content ................................................................................... 104
E.3.1 Super-Frame-aligned Pilots (SF-Pilots).......................................................................................................... 105
E.3.1.1 Specification of SF-Pilots Type A ............................................................................................................ 105
E.3.2 Format Specification 0: DVB-S2X................................................................................................................. 106
E.3.2.1 Pilot structure ............................................................................................................................................ 106
E.3.2.2 Modified VL-SNR-frame ......................................................................................................................... 107
E.3.3 Format Specification 1: DVB-S2 legacy ........................................................................................................ 107
E.3.4 Format Specification 2: Bundled PLFRAME (64 800 payload Size) with SF-Pilots ..................................... 108
E.3.4.1 Bundled PLFRAME (64 800 payload) Definition .................................................................................... 108
E.3.4.2 PLHEADER Specification for Bundled PLFRAMEs (64 800 payload) .................................................. 110
E.3.4.3 SF-Pilot Structure ..................................................................................................................................... 112
E.3.5 Format Specification 3: Bundled PLFRAME (16 200 Payload Size) with SF-Pilots..................................... 113
E.3.5.1 Bundled PLFRAME Definition ................................................................................................................ 114
E.3.5.2 PLHEADER Specification for Short Bundled PLFRAME....................................................................... 115
E.3.5.3 SF-Pilot Structure ..................................................................................................................................... 116
E.3.6 Format Specification 4: Flexible Format with VL-SNR PLH tracking .......................................................... 117
E.3.6.1 Super-Frame Header (SFH) ...................................................................................................................... 118
E.3.6.2 SFH-Trailer (ST) ...................................................................................................................................... 119
E.3.6.3 Physical Layer Header (PLH) ................................................................................................................... 120
E.3.6.3.1 PLSCODE Definition.......................................................................................................................... 120
E.3.6.3.2 PLH Protection Levels ........................................................................................................................ 120
ETSI
Draft ETSI EN 302 307
-
2 V1.1.1 (2014
-
10)
5
E.3.6.3.3 Signalling of MOD/COD/SPREAD and TYPE .................................................................................. 121
E.3.6.3.4 Field for ISI or SID or TSN ................................................................................................................ 122
E.3.6.3.5 SOF Sequence ..................................................................................................................................... 122
E.3.6.4 PLFRAME structure ................................................................................................................................. 123
E.3.6.5 Pilot structure ............................................................................................................................................ 123
E.3.6.5.1 SF-Pilots .............................................................................................................................................. 123
E.3.6.5.2 Special VL-SNR Pilots ....................................................................................................................... 124
E.3.6.6 Spreading and Signalling Rules ................................................................................................................ 124
E.3.6.7 Dummy Frame Definition ......................................................................................................................... 124
E.3.6.7.1 Dummy frames with deterministic content ......................................................................................... 125
E.3.6.7.2 Dummy frames with arbitrary content ................................................................................................ 126
E.3.7 Format Specifications 5 - 15: Reserved .......................................................................................................... 126
E.4 Signalling of additional reception quality parameters via return channel (Normative for
Interference Management at the Gateway)........................................................................................... 126
Annex F: For future use ...................................................................................................................... 128
Annex G: For future use ...................................................................................................................... 129
Annex H (informative): Examples of possible use of the System ...................................................... 130
H.1 Void ...................................................................................................................................................... 130
H.2 Void ...................................................................................................................................................... 130
H.3 Void ...................................................................................................................................................... 130
H.4 Void ...................................................................................................................................................... 130
H.5 Void ...................................................................................................................................................... 130
H.6 Void ...................................................................................................................................................... 130
H.7 Satellite transponder models for simulations ....................................................................................... 130
H.8 Phase noise masks for simulations ....................................................................................................... 132
Annex I (normative): ACM Command ........................................................................................... 134
Annex J: For future use ...................................................................................................................... 135
Annex K: For future use ...................................................................................................................... 136
Annex L: For future use ...................................................................................................................... 137
Annex M (normative): Transmission format for wideband satellite transponders using time-
slicing (optional) ........................................................................................... 138
History ............................................................................................................................................................ 139
剩余138页未读,继续阅读
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