ETSI TS 103 615 V1.1.1 (2018-08)

TECHNICAL SPECIFICATION
Digital Video Broadcasting (DVB);
Metadata generation and deterministic
DVB-T-mega-frame/DVB-T2-MI stream generation
from MPEG-2 Transport Stream(s) for
a DVB Single Illumination System (DVB-SIS)

2 ETSI TS 103 615 V1.1.1 (2018-08)

Reference
DTS/JTC-DVB-381
Keywords
audio, broadcasting, data, digital, DVB, hybrid,
mimo, MPEG, radio, satellite, terrestrial, TV,
video
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3 ETSI TS 103 615 V1.1.1 (2018-08)
Contents
Intellectual Property Rights . 6
Foreword . 6
Modal verbs terminology . 6
1 Scope . 7
2 References . 7
2.1 Normative references . 7
2.2 Informative references . 8
3 Definitions, symbols and abbreviations . 8
3.1 Definitions . 8
3.2 Symbols . 10
3.3 Abbreviations . 11
4 DVB Single Illumination System definition . 12
4.1 System overview and architecture . 12
4.2 Clock referencing throughout the DSA chain . 14
4.3 Mechanism to hide SIS-specific services away from direct reception by consumer receivers . 14
5 Specification of Parent Signals . 15
5.1 Overview . 15
5.2 Service Information (PSI/SI) . 18
5.3 SIS Services carrying PCR . 19
abs
5.4 Layer 1 signalling . 19
5.4.1 DVB-T2 case . 19
5.4.2 DVB-T case . 19
5.5 Other T2-MI packet types (DVB-T2 case) . 19
5.6 Framing & Timing Information (F&TI) . 19
5.6.1 Overview . 19
5.6.2 DVB-T2 case . 19
5.6.3 DVB-T case . 21
5.7 DSA Configuration Information (DSACI) . 22
5.7.1 Overview . 22
5.7.2 DSACI Structure . 22
5.7.2.1 XML schema representation . 22
5.7.3 XML types and XML elements of the DSA Configuration Information . 22
5.7.3.1 Global configuration . 22
5.7.3.1.1 Overview . 22
5.7.3.1.2 XML schema representation . 23
5.7.3.1.3 Definition of XML elements and XML types . 23
5.7.3.2 Input configuration . 23
5.7.3.2.1 Overview . 23
5.7.3.2.2 XML schema representation . 24
5.7.3.2.3 Definition of XML elements and XML types . 24
5.7.3.3 Remultiplexing . 24
5.7.3.3.1 Overview . 24
5.7.3.3.2 XML schema representation . 25
5.7.3.3.3 Definition of XML elements and XML types . 25
5.7.3.4 PID processing . 25
5.7.3.4.1 Overview . 25
5.7.3.4.2 XML representation . 25
5.7.3.4.3 Definition of XML elements and XML types . 26
5.7.3.5 Service and PMT processing . 26
5.7.3.5.1 Overview . 26
5.7.3.5.2 XML schema representation . 26
5.7.3.5.3 Definition of XML elements and XML types . 27
5.7.3.6 PSI/SI processing . 28
5.7.3.6.1 Overview . 28
ETSI
4 ETSI TS 103 615 V1.1.1 (2018-08)
5.7.3.6.2 XML schema representation . 28
5.7.3.6.3 Definition of XML elements and XML types . 28
5.7.3.7 PAT processing . 28
5.7.3.7.1 Overview . 28
5.7.3.7.2 XML schema representation . 28
5.7.3.7.3 Definition of XML elements and XML types . 29
5.7.3.8 CAT processing . 29
5.7.3.8.1 Overview . 29
5.7.3.8.2 XML schema representation . 29
5.7.3.8.3 Definition of XML elements and XML types . 30
5.7.3.9 SDT and BAT processing . 30
5.7.3.9.1 Overview . 30
5.7.3.9.2 XML schema representation . 31
5.7.3.9.3 Definition of XML elements and XML types . 31
5.7.3.10 EIT processing . 32
5.7.3.10.1 Overview . 32
5.7.3.10.2 XML schema representation . 32
5.7.3.10.3 Definition of XML elements and XML types . 33
5.7.3.11 Output configuration . 34
5.7.3.11.1 Overview . 34
5.7.3.11.2 XML schema representation . 34
5.7.3.11.3 Definition of XML elements and XML types . 35
5.7.4 DSACI schema . 35
5.7.5 In-band carriage of the DSACI XML file . 35
5.8 Carriage of signal components within the parent Transport Streams . 36
6 Daughter site processing . 37
6.1 Overview (DVB-T2 and -T cases) . 37
6.2 Bootstrapping . 38
6.2.1 Overview . 38
6.2.2 Gaining access to DSACI provided in-band . 39
6.2.3 Out-of-band DSACI provision . 39
6.3 Input processing . 39
6.3.1 Reception of parent Transport Streams . 39
6.3.1.1 Overview . 39
6.3.1.2 Arrival timestamping . 39
6.3.1.3 Calculation of Virtual Arrival Timestamps (VATs) . 40
6.3.1.3.1 Overview . 40
6.3.1.3.2 CBR operation mode . 40
6.4 TS re-multiplexing . 41
6.4.1 Overview . 41
6.4.2 Generation of Reference Transport Streams . 41
6.4.2.1 Overview . 41
6.4.2.2 DVB-T2 case. 41
6.4.2.3 DVB-T case. 42
6.4.2.3.1 Overview . 42
6.4.2.3.2 Extraction of F&TI packets . 42
6.4.3 Selection of relevant content from input TSs . 42
6.4.4 Processing and generation of Layer 2 signalling (PSI/SI) . 42
6.4.4.1 Background . 42
6.4.4.2 Pass-through remultiplexing of selected parent tables/sections . 42
6.4.4.3 Conversion of parent table/sections on the fly (patching) . 43
6.4.4.4 Static table regeneration . 43
6.4.4.4.1 Overview . 43
6.4.4.4.2 SDT and BAT regeneration . 44
6.4.4.5 Dynamic table regeneration . 46
6.4.4.5.1 Overview . 46
6.4.4.5.2 Phase (A): Creation of a list of EIT_slots . 47
6.4.4.5.3 Phase (B): Creation of the EIT_sections database . 48
6.4.4.5.4 Phase (C): Playout of the EIT_slots list . 50
6.4.4.5.5 Parameter definitions . 50
6.4.5 Placement of incoming packets in the outgoing TS . 50
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5 ETSI TS 103 615 V1.1.1 (2018-08)
6.4.5.1 Overview . 50
6.4.5.2 Deterministic scheduling . 51
6.5 Framing . 51
6.5.1 DVB-T2 case . 51
6.5.1.1 TS splitting (optional) . 51
6.5.1.2 Partial Mode Adaptation . 51
6.5.1.3 Allocation of TS bits to Interleaving Frames . 52
6.5.1.4 Null Packet Deletion . 52
6.5.1.5 ISSY generation . 52
6.5.1.6 Generation of BBFRAMEs . 53
6.5.1.6.1 Overview . 53
6.5.1.6.2 Allocation of bits to the BBFRAMEs of the Interleaving Frame . 53
6.5.1.6.3 Mapping of mode-adapted bits into the BBFRAMES . 54
6.5.1.6.4 BBHEADER generation . 54
6.5.2 DVB-T case . 55
6.6 Extraction of T2-MI packets . 55
6.7 Output processing . 55
6.7.1 DVB-T2 case . 55
6.7.1.1 T2-MI multiplexing . 55
6.7.1.2 Transport of T2-MI packets in MPEG-TS . 55
Annex A (normative): Single Illumination System XML schema . 56
Annex B (informative): Bibliography . 62
History . 63

ETSI
6 ETSI TS 103 615 V1.1.1 (2018-08)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (https://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 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.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
Foreword
This Technical Specification (TS) has been produced by Joint Technical Committee (JTC) Broadcast of the European
Broadcasting Union (EBU), Comité Européen de Normalisation ELECtrotechnique (CENELEC) and the European
Telecommunications Standards Institute (ETSI).
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 became 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 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
The 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 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.
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI
7 ETSI TS 103 615 V1.1.1 (2018-08)
1 Scope
The present document describes the Single Illumination System, which allows to deliver Parent Signals for direct
reception by consumer receivers and, at the same time, for a deterministic generation of daughter streams for terrestrial
retransmission. Parent Signals can be provided to the daughter site via all defined TS-based DVB means - be it satellite,
cable or terrestrial. Metadata may be provided as part of the Parent Signal(s) (called "in-band" in the present document).
Part of the metadata may also be provided "out-of-band".
A typical use case is described by the present document and is based on satellite broadcast signals on parent side - be it
DVB-S (ETSI EN 300 421 [8]), -S2 (ETSI EN 302 307-1 [9]) or -S2X signals (ETSI EN 302 307-2 [10]) - that are
addressing consumer Direct-to-Home (DTH) receivers and terrestrial transmitters on daughter side in parallel. For
terrestrial retransmission of the whole or partial content, the DTH signal(s) of MPEG-2 TS format
(ISO/IEC 13818-1 [5]) from one or several satellites can be used and services and service components can be selected
according to terrestrial broadcasters' needs. Also other non-satellite Parent Signals and out-of-band metadata feeds can
be integrated into the preparation of the terrestrial DVB-T2, ETSI EN 302 755 [2], and/or DVB-T, ETSI
EN 300 744 [3] signals on daughter site. Single Frequency Networks (SFN) operation of the terrestrial networks driven
by the Single Illumination System is enabled.
2 References
2.1 Normative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
referenced document (including any amendments) applies.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee
their long term validity.
The following referenced documents are necessary for the application of the present document.
[1] ETSI TS 102 773: "Digital Video Broadcasting (DVB); Modulator Interface (T2-MI) for a second
generation digital terrestrial television broadcasting system (DVB-T2)".
[2] ETSI EN 302 755: "Digital Video Broadcasting (DVB); Frame structure channel coding and
modulation for a second generation digital terrestrial television broadcasting system (DVB-T2)".
[3] ETSI EN 300 744: "Digital Video Broadcasting (DVB); Framing structure, channel coding and
modulation for digital terrestrial television".
[4] ETSI TS 101 191: "Digital Video Broadcasting (DVB); DVB mega-frame for Single Frequency
Network (SFN) synchronization".
[5] ISO/IEC 13818-1: "Information technology - Generic coding of moving pictures and associated
audio information: Systems".
[6] ETSI EN 300 468: "Digital Video Broadcasting (DVB); Specification for Service Information (SI)
in DVB systems".
[7] ETSI TS 102 034: "Digital Video Broadcasting (DVB); Transport of MPEG-2 TS Based DVB
Services over IP Based Networks".
[8] ETSI EN 300 421: "Digital Video Broadcasting (DVB); Framing structure, channel coding and
modulation for 11/12 GHz satellite services".
[9] ETSI EN 302 307-1: "Digital Video Broadcasting (DVB); Second generation framing structure,
channel coding and modulation systems for Broadcasting, Interactive Services, News Gathering
and other broadband satellite applications; Part 1: DVB-S2".
ETSI
8 ETSI TS 103 615 V1.1.1 (2018-08)
[10] ETSI EN 302 307-2: "Digital Video Broadcasting (DVB); Second generation framing structure,
channel coding and modulation systems for Broadcasting, Interactive Services, News Gathering
and other broadband satellite applications; Part 2: DVB-S2 Extensions (DVB-S2X)".
[11] IETF RFC 3629 (STD 63) (November 2003): "UTF-8, a transformation format of ISO 10646",
F. Yergeau.
NOTE: Available at https://www.rfc-editor.org/info/rfc3629.
[12] IETF RFC 1952: "GZIP file format specification version 4.3", May 1996.
NOTE: Available at: https://www.rfc-editor.org/info/rfc1952.
2.2 Informative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
referenced document (including any amendments) applies.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
The following referenced documents are not necessary for the application of the present document but they assist the
user with regard to a particular subject area.
Not applicable.
3 Definitions, symbols and abbreviations
3.1 Definitions
For the purposes of the present document, the following terms and definitions apply:
control stream generator: device that generates metadata - namely Framing and Timing information (F&TI), DSA
Configuration Information (DSACI) and Layer 1 signalling - for the daughter site signal(s)
daughter site adapter: device that creates the TMF/T2-MI streams to be output to the related DVB-T or -T2
modulators - based on the metadata it receives from the CSG, the outputs streams consist of content received from the
parent side
DSA configuration information: information that enables deterministic generation of DVB-T2-MI streams and/or
DVB-T-mega-frame streams at the output of the Daughter Site Adapter
F&TI packet: TS packet used for F&TI signalling in the DVB-T case
NOTE: This packet consists of the payload of the MIP packet - basis for forming a MIP packet on daughter site.
An additional megaframe_timestamping function specific to SIS is part of the F&TI packet as well. The
PID of the F&TI packet is allocated by the CSG and converted to the standard MIP PID using the DSACI
pid_processing element.
in-band: part of one of the Parent Signals
interleaving frame: unit over which dynamic capacity allocation for a particular PLP is carried out, made up of an
integer, dynamically varying number of FEC blocks and having a fixed relationship to the T2-frames
NOTE: The Interleaving frame may be mapped directly to one T2-frame or may be mapped to multiple T2-
frames, it may contain one or more TI-blocks.
ETSI
9 ETSI TS 103 615 V1.1.1 (2018-08)
layer 1 signalling: metadata that describes the physical layer configuration
NOTE: In the DVB-T2 case the L1 signalling provides the receiver with a means to access physical layer pipes
within the T2-frames; for further details see ETSI EN 300 744 [3] for DVB-T and ETSI EN 302 755 [2]
for DVB-T2.
layer 2 signalling: equivalent to PSI/SI - see ISO/IEC 13818-1 [5] and ETSI EN 300 468 [6], respectively - since the
present document covers Transport Streams (ISO/IEC 13818-1 [5]) only, layer 2 metadata that describes the service
configuration of the tuned and optionally of other multiplexes
mode adaptation: applicable to DVB-T2 only: the mode adaptation modules, which operate separately on the contents
of each PLP, slice the input data stream into data fields which, after stream adaptation, will form baseband frames
(BBFRAMEs), see also ETSI EN 302 755 [2]
out-of-band: not part of any of the Parent Signals, but provided to the DSA by other means
parent network: any DVB- and TS-based delivery network carrying the parent signal. This can be a satellite, cable or
terrestrial network
parent signal: transport Stream present at the DSA input providing some or all the services used to build the output
DTT stream
NOTE: There may be one or several Parent Signal(s) contributing to the output DTT stream (T2-MI stream or
stream of T-mega-frames). Each Parent Signal consists of a time reference of the SIS system clock
(PCR ).
abs
PCR_base: 90 kHz clock
primary sis service: primary SIS service (one per terrestrial output/per current_DSA_group_id) consists of the listed
mandatory elements and can consist of the listed optional elements:
• PCR using the transport packet adaptation mechanism (see ISO/IEC 13818-1 [5]) on a PID that is designated
abs
as the PCR_PID in the PMT (mandatory)
• F&TI, which may be sent on the PCR PID (mandatory)
abs
• DSACI (optional)
• Terrestrial-only PSI/SI tables belonging to hybrid or sheer terrestrial services, including PATs (for terrestrial
TSs, with PID ≠ 00 ) and PMTs (all optional)
reference transport stream: reference transport stream (RTS) is a transport stream made up entirely of null packets
(see ISO/IEC 13818-1 [5]) but with a defined timing in terms of the SIS reference clock. Each packet has an associated
PCR value
abs
service information: service information is the layer 2 signalling specific to DVB usage of transport streams and
consists of the MPEG programme service information and the DVB service information
SIS service: SIS service (one per parent signal) consists of the listed mandatory elements and can consist of the listed
optional elements:
• PCR using the transport packet adaptation mechanism (see ISO/IEC 13818-1 [5]) on a PID that is designated
abs
as the PCR_PID in the PMT (mandatory)
• F&TI, which may be sent on the PCR PID (optional)
abs
• DSACI (optional)
• Terrestrial-only PSI/SI tables belonging to hybrid or sheer terrestrial services, including PATs (for terrestrial
TSs, with PID ≠ 00 ) and PMTs (all optional)
SIS system clock: 27 MHz clock that has an active edge at the SIS epoch and executes exactly 27,000,000 cycles in
every subsequent second of UTC
SIS epoch: epoch for DVB-T2 time, i.e. 2000-01-01 T 00:00:00 UTC
ETSI
10 ETSI TS 103 615 V1.1.1 (2018-08)
T2-frame: fixed physical layer TDM frame that is further divided into variable size sub-slices
NOTE: The T2-frame starts with one P1 and one or multiple P2 symbols.
T2-MI stream: stream of T2-MI packets carrying the T2 data for a single T2 profile and optionally any non-profile
data with a given value of T2-MI stream ID
3.2 Symbols
For the purposes of the present document, the following symbols apply:
⌈x⌉ Round towards plus infinity: The smallest integer that is not less than x
⌊x⌋ Round towards minus infinity: The largest integer that does not exceed x
continuity_counter(i) Continuity Counter - part of PSI/SI - of TS packet(i)
DFL(i) Data Field Length of BBFRAME i, determined on the basis of N and N for i
bytesIF blocks
not equal to 0, this field is a multiple of 8
DPCR The duration (as difference of PCR ) of the frame_packet_count packets of the
IF FTSP
relevant interleaving frame and PLP, this duration is encoded as a 32 bit integer number
of 27 MHz
DPCR Difference between the PCR values for two subsequent DVB-T mega-frames
MF abs
FIRST_DFL The DFL value as defined in ETSI EN 302 755 [2] for the first BBFRAME of the
relevant Interleaving Frame, this field is a multiple of 8
FIRST_ISCR(n) The ISCR value of the first complete packet of the first BBFRAME of the Interleaving
Frame n of the related PLP
FIRST_SYNCD(n) SYNCD of the first BBFRAME of the current interleaving frame n belonging to this
PLP
f Frequency of the Program Clock Reference PCR (27 MHz)
PCR
frame_packet_count(n) The number of TS packets that start in the Interleaving Frame n of the related PLP
ISCR(p) Input Stream Clock Reference for the TS packet of index p within the related
Interleaving Frame
M_actual Repetition period of SDT actual (part of PSI/SI), which is a multiple of the SDT other
repetition period
n Number of Bouquet Association Tables transmitted
bat
N Number of FEC blocks in an Interleaving Frame
blocks
The number of bytes of payload to be spread over all but the first BBFRAME of the
NbytesIF
Interleaving Frame, determined on the basis of N and FIRST_DFL
payloadIF
ND Number of deleted null packets within an interleaving frame
NEXT_FIRST_SYNCD(n) SYNCD of the first BBFRAME of the interleaving frame n, which is the immediately
following interleaving frame, i.e. this value is provided with interleaving frame n-1 of
the same PLP
Number of TS packets in a DVB-T mega-frame
NMF
n Number of other Transport Streams
other
NpayloadIF Number of payload bits in the Interleaving Frame
N (n) Number of payload bits in the Interleaving Frame n
payloadIF
N Number of TS packets needed to packetize a whole table according to the packetization
pkt
rules applicable to the sections of this table
Number of processing loops not leading to the selection of the related TS packet for
Nsteps_to_live
insertion into the output TS before discarding it
nstuff Number of stuffing TS packets should stuffing section content be needed (for
continuity_counter wrapping)
offset PCR_base count provided as part of DSACI
packet_arrival_time(n) Arrival time of TS packet with index n at DSA
packet_departure_time(n) Departure time from the DSA of a TS packet with index n
packet_period Time interval between two TS packets of the same regenerated PSI/SI table
PCRabs A counter at the frequency of the SIS system clock, in the form of a PCR 48-bits field as
defined in ISO/IEC 13818-1 [5].
NOTE: At the SIS epoch, PCR = 0. It is not subject to leap seconds.
abs
th
PCR (k) k instance of a PCR value in parent TS
abs abs
ETSI
11 ETSI TS 103 615 V1.1.1 (2018-08)
PCR The time (as sample of PCRabs) corresponding to the first complete TS packet of the
FTSP
first BBFRAME of the relevant interleaving frame and PLP
NOTE: This defines the collection window for a given interleaving frame and PLP.
PCR (n) PCR of the first TS packet of the Interleaving Frame n
FTSP abs
PCR (n) The PCR value carried by the related TS packet n at the input of the DSA
input
PCR (n) PCR value associated with the MIP packet for DVB-T mega-frame n
MF abs
PCR (n) The PCR value carried by the related TS packet n at the output of the DSA
output
SYNCD(i) SYNCD value of BBFRAME i
table_repetition_period DSACI parameter indicating the repetition period of a PSI/SI table regenerated by the
DSA
time_since_epoch Time elapsed after SIS epoch (2000-01-01 T 00:00:00 UTC), counted in 90 kHz ticks
UPL User Packet Length as defined in ETSI EN 302 755 [2]
th
VAT(i) Virtual Arrival Time for the i TS packet (TS packet(i)) transmitted since SIS epoch
3.3 Abbreviations
For the purposes of the present document, the following abbreviations apply:
ASI Asynchronous Serial Interface
BAT Bouquet Association Table
BBF BaseBand Frame
BUFS BUFfer Size
CA_PID Conditional Access Packet IDentifier
CAS Conditional Access System
CAT Conditional Access Table
CBR Constant Bit Rate
CRC Cyclic Redundancy Check
CSG Control Stream Generator
DFL Data Field Length
DNP Deleted Null Packets
DPCR Duration Program Clock Reference of Interleaving Frame
IF
DSA Daughter Site Adapter
DSACI Daughter Site Adapter Configuration Information
DTH Direct-To-Home (from satellite)
DTT Digital Terrestrial Television
EIT Event Information Table
EMM Entitlement Management Message
F&TI Framing & Timing Information
HEM High Efficiency Mode
ISCR Input Stream Clock Reference
ISSY Input Stream SYnchronizer
L1 Layer 1 (physical layer)
L2 Layer 2 (data link layer)
MIP Megaframe Initialization Packet
NPD Null-Packet Deletion
ONID Original Network IDentifier
PAT Program Association Table
PCR Programme Clock Reference
PES Packetized Elementary Stream
PID Packet Identifier
PLP Physical Layer Pipe
PLP_GROUP Group of PLPs
PMT Program Map Table
PSI/SI MPEG Program-Specific Information/DVB Service Information
RF Radio Frequency
RTS Reference Transport Stream
SDT Service Description Table
SFN Single Frequency Networks
SIS Single Illumination System
ETSI
12 ETSI TS 103 615 V1.1.1 (2018-08)
T2-MI DVB-T2 Modulator Interface
TDT Time Description Table
T-MF DVB-T mega-frame
TPS Transmission Parameter Signal
TS Transport Stream
TSPS Transport Stream Partial Stream
TSPSC Transport Stream Partial Stream Common
TTO Time To Output
TTO_E Time To Output, Exponent
TTO_L Time To Output, Least Significant Bits of mantissa
TTO_M Time To Output, Most Significant Bits of mantissa
UTC Coordinated Universal Time
VAT Virtual Arrival Timestamp
4 DVB Single Illumination System definition
4.1 System overview and architecture
The target is, on the one hand, to feed receivers installed at consumer's households with (a) "Parent" Signal(s) suitable
for direct reception and, on the other hand, to use the same signal(s) to derive services and service components for
terrestrial re-transmission. The Parent Signal(s) might typically be uplinked - via DVB-S (ETSI EN 300
...