SIST EN 303 105-2 V1.1.1:2022
(Main)Digital Video Broadcasting (DVB) - Next Generation broadcasting system to Handheld, physical layer specification (DVB-NGH) - Part 2: MIMO Profile
Digital Video Broadcasting (DVB) - Next Generation broadcasting system to Handheld, physical layer specification (DVB-NGH) - Part 2: MIMO Profile
The present document describes the next generation transmission system for digital terrestrial MIMO broadcasting to
handheld terminals making use of multi-aerial structures at the transmitting and receiving ends. It specifies the
differences of the MIMO Profile physical layer part to the physical layer part of the Base Profile ETSI
EN 303 105-1 [1] - from the input streams to the transmitted signals. This transmission system is intended for carrying
Transport Streams or generic data streams feeding linear and non-linear applications like television, radio and data
services. DVB-NGH terminals might also process DVB-T2-lite signals.
Digitalna videoradiodifuzija (DVB) - Radiodifuzijski sistem naslednje generacije za dlančnike, specifikacija fizične plasti (DVB-NGH) - 2. del: Profil MIMO
Ta dokument opisuje sistem prenosa naslednje generacije za digitalno prizemno radiodifuzijo MIMO, namenjeno ročno upravljanim terminalom, pri čemer se uporablja več nadzemnih konstrukcij na oddajnem in sprejemnem koncu. Določa razlike med delom fizične plasti profila MIMO in delom fizične plasti osnovnega profila ETSI EN 303 105-1 [1] od vhodnih tokov do prenesenih signalov. Ta sistem prenosa je namenjen prenašanju transportnih tokov ali splošnih podatkovnih tokov v linearne in nelinearne aplikacije, kot so televizija, radio in podatkovne storitve. Terminali DVB-NGH lahko obdelujejo tudi signale DVB-T2-lite.
General Information
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Standards Content (Sample)
ETSI EN 303 105-2 V1.1.1 (2022-03)
EUROPEAN STANDARD
Digital Video Broadcasting (DVB);
Next Generation broadcasting system to Handheld,
physical layer specification (DVB-NGH);
Part 2: MIMO Profile
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2 ETSI EN 303 105-2 V1.1.1 (2022-03)
Reference
DEN/JTC-DVB-373-2
Keywords
audio, broadcasting, data, digital, DVB, hybrid,
MIMO, MPEG, radio, satellite, terrestrial TV, video
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ETSI
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3 ETSI EN 303 105-2 V1.1.1 (2022-03)
Contents
Intellectual Property Rights . 4
Foreword . 4
Modal verbs terminology . 5
1 Scope . 6
2 References . 6
2.1 Normative references . 6
2.2 Informative references . 6
3 Definition of terms, symbols and abbreviations . 6
3.1 Terms . 6
3.2 Symbols . 6
3.3 Abbreviations . 7
4 DVB-NGH MIMO system definition . 7
4.1 System overview and architecture . 7
4.1.1 Overview . 7
4.1.2 Bit interleaved coding and modulation, MISO and MIMO precoding . 7
4.1.3 FEC encoding and interleaving inside a FEC block . 8
4.1.4 Modulation and component interleaving . 8
4.1.5 Time interleaving (inter-frame convolutional interleaving plus intra-frame block interleaving) . 8
4.1.6 Frame building, frequency interleaving . 9
4.1.7 OFDM generation . 9
5 Transmit/receive system compatibility. 9
6 Bit interleaver . 10
7 Complex symbol generation . 12
8 Power imbalance . 13
9 MIMO precoding . 14
9.1 Overview . 14
9.2 Spatial-multiplexing encoding . 15
9.3 Phase hopping . 15
10 eSFN processing for MIXO . 16
11 SISO/MIXO options for P1, aP1 and P2 symbols . 16
12 Layer 1 signalling data specific for the MIMO Profile . 16
12.1 P1 and additional P1 signalling data. 16
12.2 L1-PRE signalling data . 17
12.3 L1-POST signalling data . 18
12.3.1 L1-POST-configurable signalling data . 18
12.3.2 L1-POST-dynamic signalling data . 19
12.3.3 In-band signalling type A . 19
Annex A (informative): Bibliography . 20
History . 21
ETSI
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4 ETSI EN 303 105-2 V1.1.1 (2022-03)
Intellectual Property Rights
Essential patents
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pertaining to these essential IPRs, if any, are 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 Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
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.
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Foreword
This European Standard (EN) 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 DVB Project is an industry-led consortium of broadcasters, manufacturers, network operators, software developers,
regulators and others from around the world committed to designing open, interoperable technical specifications for the
global delivery of digital media and broadcast services. DVB specifications 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.
The present document is part 2 of a multi-part deliverable. Full details of the entire series can be found in part 1 [1].
ETSI
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5 ETSI EN 303 105-2 V1.1.1 (2022-03)
National transposition dates
Date of adoption of this EN: 24 March 2022
Date of latest announcement of this EN (doa): 30 June 2022
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 31 December 2022
Date of withdrawal of any conflicting National Standard (dow): 31 December 2022
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
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6 ETSI EN 303 105-2 V1.1.1 (2022-03)
1 Scope
The present document describes the next generation transmission system for digital terrestrial MIMO broadcasting to
handheld terminals making use of multi-aerial structures at the transmitting and receiving ends. It specifies the
differences of the MIMO Profile physical layer part to the physical layer part of the Base Profile ETSI
EN 303 105-1 [1] - from the input streams to the transmitted signals. This transmission system is intended for carrying
Transport Streams or generic data streams feeding linear and non-linear applications like television, radio and data
services. DVB-NGH terminals might also process DVB-T2-lite signals.
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
https://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 EN 303 105-1: "Digital Video Broadcasting (DVB); Next Generation broadcasting system to
Handheld, physical layer specification (DVB-NGH); Part 1: Base Profile".
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.
[i.1] ETSI EN 303 105-4: "Digital Video Broadcasting (DVB); Next Generation broadcasting system to
Handheld, physical layer specification (DVB-NGH); Part 4: Hybrid MIMO Profile".
3 Definition of terms, symbols and abbreviations
3.1 Terms
For the purposes of the present document, the terms given in ETSI EN 303 105-1 [1] apply.
3.2 Symbols
For the purposes of the present document, the symbols given in ETSI EN 303 105-1 [1] apply.
ETSI
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7 ETSI EN 303 105-2 V1.1.1 (2022-03)
3.3 Abbreviations
For the purposes of the present document, the abbreviations given in ETSI EN 303 105-1 [1] apply.
4 DVB-NGH MIMO system definition
4.1 System overview and architecture
4.1.1 Overview
MIMO transmission options are included in the optional MIMO Profile - reflected by the present document - in order to
exploit the diversity and capacity advantages made possible by the use of multiple transmission elements at the
transmitter and receiver. Channel estimation suitable for MIMO is provided by an appropriate pilot structure, identical
to that provided in the Base Profile ETSI EN 303 105-1 [1] for MISO frames. The term 'MIXO frames' encompasses all
frames containing such pilots. MIMO may hence form part of a transmission including MISO PLPs as well as SISO
frames as defined in the Base Profile [1]. Within MIXO frames, different schemes may be applied to constituent PLPs
according to the desired transmission characteristics; for instance MISO is specified for L1 signalling and may also be
used for any other low-rate high-robustness transmission. Rate 2 MIMO, which increases the data multiplexing rate by
sending distinct information from each transmit element, can be chosen where high data throughput efficiency is the
primary goal.
In the following clauses, the differences to the Base Profile ETSI EN 303 105-1 [1] are outlined with reference to their
Base Profile [1] counterparts.
Compared to the Base Profile [1], only the BICM and the OFDM generation stage contains functional differences.
NOTE: Blocks differing from the Base Profile ETSI EN 303 105-1 [1] are shaded to grey.
Figure 1: High level NGH physical layer block diagram of the MIMO Profile
4.1.2 Bit interleaved coding and modulation, MISO and MIMO precoding
The block diagram illustrating the functional differences in the BICM stage is shown in figure 2.
ETSI
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8 ETSI EN 303 105-2 V1.1.1 (2022-03)
Figure 2: Bit Interleaved Coding and Modulation (BICM) of the MIMO Profile
NOTE: Layer 1 signalling as in figure 2 above.
Figure 3: Bit Interleaved Coding and Modulation (BICM) with mixed MIMO and MISO PLPs
4.1.3 FEC encoding and interleaving inside a FEC block
MIMO PLPs within the MIMO Profile - reflected by the present document - employ a revised bit interleaver intended to
simplify iterative MIMO decoding at the receiver. The Base Profile ETSI EN 303 105-1 [1] bit to cell demultiplexing is
no longer explicitly present.
4.1.4 Modulation and component interleaving
The constellation is non-rotated QPSK, 16-QAM and 64-QAM. The constellation may be the same or different on the
output MIMO pair depending on the chosen operational mode.
4.1.5 Time interleaving (inter-frame convolutional interleaving plus
intra-frame block interleaving)
Since the time interleaving is carried out after the generation of two MIMO streams there are two parallel time
interleavers. The time interleaving applied to both MIMO streams is identical. To keep the total memory requirement
the same, each of these MIMO streams has half the maximum depth as the Base Profile [1].
ETSI
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9 ETSI EN 303 105-2 V1.1.1 (2022-03)
4.1.6 Frame building, frequency interleaving
MIMO frames are built according to figure 4. This is the same architecture as the Base Profile [1] except for the
allocation of space for the aP1 symbol.
The frequency interleaver is a pairwise interleaver defined in Base Profile [1], clause 9.10.
Figure 4: MIMO Frame Builder
4.1.7 OFDM generation
The ACE PAPR technique cannot be applied to frames of preamble format "NGH-MIMO".
Figure 5: OFDM generation
5 Transmit/receive system compatibility
To make use of the MIMO Profile reflected by the present document, the proposed transmitter hardware shall include
individually-fed cross-polar antennas (Horizontal (HP) and Vertical POLARIZATION (VP)). In addition, to receive and
decode the MIMO signal, a cross-polar pair of antennas is necessary at the receive terminal.
In a given PLP, only one of MISO or MIMO encoding may be used, i.e. they are not cascadable.
The bit interleaver for the MIMO Profile described below in clause 6 is a replacement for that described in ETSI
EN 303 105-1 [1].
ETSI
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10 ETSI EN 303 105-2 V1.1.1 (2022-03)
6 Bit interleaver
The bit interleaver used for MIMO PLPs is different from the one used in the Base Profile [1]. Figure 6 shows the basic
block diagram.
Figure 6: Bit Interleaver of the MIMO Profile
In order to allow for a more efficient receiver implementation, the new bit interleaver is adapted to the quasi-cyclic
structure of the LDPC code. The new bit interleaver for MIMO consists of two components: a parity interleaver and a
parallel bit interleaver.
The parity interleaver is identical to the one used in the bit interleaver of the Base Profile (see ETSI EN 303 105-1 [1],
clause 6.1.4). Its role is to convert the staircase structure of the parity-part of the LDPC parity-check matrix into a quasi-
cyclic structure similar to the information-part of the matrix. At the output of the parity interleaver the LDPC codeword
consists of 45 adjacent Quasi-cyclic Blocks (QB), each block consisting of 360 bits (note also the Q parameter in
ldpc
ETSI EN 303 105-1 [1], clause 6.1.2). The parity-interleaved codeword is interleaved by the parallel bit interleaver and
then mapped to a sequence of Spatial-Multiplexing (SM) blocks of N bits each, as shown in figure 7 for N = 8.
bpcu bpcu
QB 1 QB 2 QB 3 QB 45
b b b b b b b b
1 360 1 360 1 360 1 360
Parallel Bit Interleaver
SM block SM block SM block SM block
1 2 3 4050
Figure 7: Parallel bit interleaver, QB and section interleaver part
The parallel interleaver in turn comprises two stages: a QB interleaver and a section interleaver.
The QB interleaver permutes the order of the 45 Quasi-cyclic Blocks (QBs) of the LDPC codeword. The corresponding
QB permutation is optimized for each combination of N , code rate, and power imbalance. Tables 1 to 3 show these
bpcu
permutations for N = 6, 8 and 10, respectively, each table containing the permutations for all code rates and power
bpcu
imbalances. The QB indices range from 1 to 45.
ETSI
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11 ETSI EN 303 105-2 V1.1.1 (2022-03)
Table 1: QB permutations for 6 bits per channel use
QB permutations for 6 bits per channel use
Code Power
rate imbalance
Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11 Section 12 Section 13 Section 14 Section 15
1:1 17 5 343328382213 321444 7 2723184110352115 45422631392912 4 1 2 4036 192043 9 16 3 24 11372530 8 6
1/3
1:2 20 23 40 15 19 21 27 44 9 10 11 36 18 38 32 35 39 31 16 33 42 30 1 7 34 43 45 17 28 22 8 4 2 14 24 41 37 25 12 26 5 3 6 13 29
1:4 6 2736 3 19 1 2838 16 8 322433133515 2 7 4143 31422522113044231821 4 26 39 5 2945203440 37141710 9 12
1:1 20 16344128361935 424543 2 1 8 3012 9 141038 1522 6 5 2413313223274039 1833 3 2925 7 21 4417263711 4
2/5 1:2 20 16344128361935 424543 2 1 8 3012 9 141038 1522 6 5 2413313223274039 1833 3 2925 7 21 4417263711 4
1:4 20 16344128361935 424543 2 1 8 3012 9 141038 1522 6 5 2413313223274039 1833 3 2925 7 21 4417263711 4
1:1 13 11444124121627 142232 5 172939 6 353010 8 37 3 38 1 7 4226152834 9 23 43 4 40 2 202536 213331181945
7/15
1:2 34 13241640192338 1 283621 9 6 2 4244 8 4333 5 2241322945151826372731 101730111420 7 3 35 4 392512
1:4 34 13241640192338 1 283621 9 6 2 4244 8 4333 5 2241322945151826372731 101730111420 7 3 35 4 392512
1:1 12 2714351338 7 39 9 194333242510 6 4521 2 28 4 3 1715404222 8 41113216 18443137302629 343623 5 20 1
8/15 1:2 8 25 22 18 28 20 3 23 4 33 38 19 27 31 11 6 45 24 29 39 7 26 41 2 10 40 32 13 14 9 1 34 5 35 36 21 42 37 12 16 30 17 15 44 43
1:4 34 13241615182332 1 283621 9 6 2 4244 8 3733 5 2219142945404126432731 101730113820 7 3 35 4 392512
1:1 32 38 25 18 28 34 7 39 15 20 40 44 19 12 29 14 17 21 33 5 24 36 41 31 10 6 27 45 42 37 13 43 11 26 16 22 2 1 3 8 30 9 23 4 35
3/5
1:2 31 43262044391828 11371236344240 9 7 2122 6 16272913 8 3019384532 4 2 10 5 1 14174124 35 3 23153325
1:4 23 5 22 42 45 20 43 18 11 27 39 34 41 37 6 24 16 8 30 40 12 35 21 31 36 10 33 44 38 14 4 3 13 9 29 19 32 15 25 28 26 17 1 2 7
1:1 19 33 39 10 14 34 27 3 40 20 36 32 16 17 43 7 9 26 11 44 21 5 42 31 6 41 8 4 24 13 25 15 18 23 1 45 30 2 38 12 29 22 35 28 37
2/3 1:2 10 2431 4 5 432234 2118361211 9 133541152029 8 16 2 40272539 6 33453028 3723 1 14 7 3 26 424438191732
1:4 45 392838162010 8 144435 4 2434122632153022 112143171913 6 2 5 373142 9 7 401825 1 27 23 3 29334136
1:1 5 3539 3 25164417 4 321312 8 264510 6 152140 43272433 2 28412919381420 3036 7 2334 1 18 224211 9 3731
11/15
1:2 5 3539 3 25164417 4 321312 8 264510 6 152140 43272433 2 28412919381420 3036 7 2334 1 18 224211 9 3731
1:4 45 1 39 13 34 18 22 3 19 20 37 17 36 30 27 16 31 2 8 42 35 6 38 33 28 23 9 21 43 4 12 15 29 32 40 24 14 7 5 10 41 44 25 11 26
Table 2: QB permutations for 8 bits per channel use
QB permutations for 8 bits per channel use
Code Power
rate imbalance
Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11
1:1 9 37 33 39 38 28 14 3 43 36 1 20 4 7 12 6 13 35 8 23 19 32 42 25 41 10 44 30 24 31 40 27 15 26 21 29 5 17 11 34 22 16 18 2 45
1/3 1:2 4 16 25 1 19 42 36 8 13 34 41 6 37 9 12 17 3 35 32 22 2 39 11 21 14 33 15 23 44 18 26 40 43 24 10 5 28 20 29 31 7 27 30 38 45
1:4 4 16 25 1 19 42 36 8 13 34 41 6 37 9 12 17 3 35 32 22 2 39 11 21 14 33 15 23 44 18 26 40 43 24 10 5 28 20 29 31 7 27 30 38 45
1:1 7 21 43 35 27 4 24 5 16 20 30 10 17 42 41 44 15 13 31 36 23 12 37 18 1 19 40 22 29 9 38 8 6 34 14 26 39 3 25 32 28 33 11 2 45
2/5
1:2 7 21 43 35 27 4 24 5 16 20 30 10 17 42 41 44 15 13 31 36 23 12 37 18 1 19 40 22 29 9 38 8 6 34 14 26 39 3 25 32 28 33 11 2 45
1:4 38 3 28 4 17 9 16 12 36 29 19 6 8 35 7 40 37 10 44 34 2 15 14 39 32 5 42 20 1 26 18 13 23 33 11 22 31 25 43 21 27 24 41 30 45
1:1 8 123821281924 6 3117272032 5 35 2 37 1 4 3 43 9 413326153918291130 7 44232516141034 362242134045
7/15 1:2 41 14332227102112 351934 8 3715 5 2028242932 11 4 1 3 3044 6 7 23422517 26 2 3613394338 1640 9 311845
1:4 35 15 8 5 402042 1 2 1131 3 4137 6 1036143428 44221230291726272343 9 4 38182421321613 39331925 7 45
1:1 17 39 38 26 41 10 33 6 28 5 14 3 42 22 31 43 25 40 44 24 8 1 12 4 29 15 7 20 34 2 36 23 37 16 11 9 30 27 32 21 35 13 18 19 45
8/15
1:2 28 29 19 22 35 43 44 16 21 38 41 5 27 37 15 42 7 18 9 20 25 10 40 4 34 3 31 2 12 14 6 17 26 8 30 1 33 39 23 13 36 11 32 24 45
1:4 16 2444 3 3934 8 11 372526 7 294342 1 35222117 4 2 33 5 27101314361923 9 41403220281831 153012 6 3845
1:1 24 3 15 2 40112918 421234163121411944143825 373632 7 1 28 5 1033 9 6 17 4 133923302643 8 3520272245
3/5 1:2 27 2032184133 6 12 352114 9 3137231642404313 363426223028 8 19 1 44 3 38 11391024292517 7 5 15 4 2 45
1:4 27 2032184133 6 12 352114 9 3137231642404313 363426223028 8 19 1 44 3 38 11391024292517 7 5 15 4 2 45
1:1 40 383635 1 2318 9 24294327 2 19 3 10252037 6 4 7 413942171411 8 223212 281521 5 342613 301633443145
2/3
1:2 2 23 3 16 1 12 19 17 30 41 43 24 35 33 22 42 34 13 5 40 15 8 11 32 28 29 36 10 38 39 21 14 44 18 7 26 4 31 9 6 37 27 25 20 45
1:4 2 23 3 16 1 12 19 17 30 41 43 24 35 33 22 42 34 13 5 40 15 8 11 32 28 29 36 10 38 39 21 14 44 18 7 26 4 31 9 6 37 27 25 20 45
1:1 15 5 37201843 1 33 12293027212434 4 7 444136 2516401119322823 8 223835 17 2 4213142639 3 31 6 10 9 45
11/15 1:2 15 5 37201843 1 33 12293027212434 4 7 444136 2516401119322823 8 223835 17 2 4213142639 3 31 6 10 9 45
1:4 37 282021222712 6 44251813 1 14 3 42 9 412624 1911303339 2 233215 5 1743 3416 4 29 7 3835 103640 8 3145
ETSI
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12 ETSI EN 303 105-2 V1.1.1 (2022-03)
Table 3: QB permutations for 10 bits per channel use
QB permutations for 10 bits per channel use
Code Power
rate imbalance
Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9
1:1 27 1742 8 3038 6 15 3236221840261441452923 9 20 4 4437 2 43121110282116 5 133133 3 1 35 7 3934241925
1/3
1:2 27 1742 8 3038 6 15 3236221840261441452923 9 20 4 4437 2 43121110282116 5 133133 3 1 35 7 3934241925
1:4 42 30 27 8 17 38 32 36 6 15 26 14 40 18 22 9 45 23 41 29 20 4 44 37 2 43 12 11 10 28 21 16 5 13 31 33 3 1 35 7 24 25 39 34 19
1:1 30 351326382214 1 1019 7 2124453341 3 432031 9 161134 4 17324223362815 44 5 2 40181239 292725 8 37 6
2/5 1:2 30 351326382214 1 1019 7 2124453341 3 432031 9 161134 4 17324223362815 44 5 2 40181239 292725 8 37 6
1:4 44 23 13 45 1 2 21 14 4 25 41 20 22 29 19 30 24 17 42 33 27 5 36 11 3 40 8 18 7 35 16 10 38 31 28 43 34 6 12 9 39 26 37 15 32
1:1 9 1 33 4 20162941 38 6 19143530394315274410 11 3 2418 7 45 8 37342231 2 40361232134225 17282126 5 23
7/15
1:2 43 204431 7 281926 23 3 403542221634212717 4 3332 2 38 1 39103611 8 6 24 4115 5 18254513 2914 9 303712
1:4 39 32443110331936 11 4 28 7 1822 1
...
SLOVENSKI STANDARD
SIST EN 303 105-2 V1.1.1:2022
01-maj-2022
Digitalna videoradiodifuzija (DVB) - Radiodifuzijski sistem naslednje generacije za
dlančnike, specifikacija fizične plasti (DVB-NGH) - 2. del: Profil MIMO
Digital Video Broadcasting (DVB) - Next Generation broadcasting system to Handheld,
physical layer specification (DVB-NGH) - Part 2: MIMO Profile
Ta slovenski standard je istoveten z: ETSI EN 303 105-2 V1.1.1 (2022-03)
ICS:
33.170 Televizijska in radijska Television and radio
difuzija broadcasting
35.100.10 Fizični sloj Physical layer
SIST EN 303 105-2 V1.1.1:2022 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 303 105-2 V1.1.1:2022
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SIST EN 303 105-2 V1.1.1:2022
ETSI EN 303 105-2 V1.1.1 (2022-03)
EUROPEAN STANDARD
Digital Video Broadcasting (DVB);
Next Generation broadcasting system to Handheld,
physical layer specification (DVB-NGH);
Part 2: MIMO Profile
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SIST EN 303 105-2 V1.1.1:2022
2 ETSI EN 303 105-2 V1.1.1 (2022-03)
Reference
DEN/JTC-DVB-373-2
Keywords
audio, broadcasting, data, digital, DVB, hybrid,
MIMO, MPEG, radio, satellite, terrestrial 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 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871
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ETSI
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SIST EN 303 105-2 V1.1.1:2022
3 ETSI EN 303 105-2 V1.1.1 (2022-03)
Contents
Intellectual Property Rights . 4
Foreword . 4
Modal verbs terminology . 5
1 Scope . 6
2 References . 6
2.1 Normative references . 6
2.2 Informative references . 6
3 Definition of terms, symbols and abbreviations . 6
3.1 Terms . 6
3.2 Symbols . 6
3.3 Abbreviations . 7
4 DVB-NGH MIMO system definition . 7
4.1 System overview and architecture . 7
4.1.1 Overview . 7
4.1.2 Bit interleaved coding and modulation, MISO and MIMO precoding . 7
4.1.3 FEC encoding and interleaving inside a FEC block . 8
4.1.4 Modulation and component interleaving . 8
4.1.5 Time interleaving (inter-frame convolutional interleaving plus intra-frame block interleaving) . 8
4.1.6 Frame building, frequency interleaving . 9
4.1.7 OFDM generation . 9
5 Transmit/receive system compatibility. 9
6 Bit interleaver . 10
7 Complex symbol generation . 12
8 Power imbalance . 13
9 MIMO precoding . 14
9.1 Overview . 14
9.2 Spatial-multiplexing encoding . 15
9.3 Phase hopping . 15
10 eSFN processing for MIXO . 16
11 SISO/MIXO options for P1, aP1 and P2 symbols . 16
12 Layer 1 signalling data specific for the MIMO Profile . 16
12.1 P1 and additional P1 signalling data. 16
12.2 L1-PRE signalling data . 17
12.3 L1-POST signalling data . 18
12.3.1 L1-POST-configurable signalling data . 18
12.3.2 L1-POST-dynamic signalling data . 19
12.3.3 In-band signalling type A . 19
Annex A (informative): Bibliography . 20
History . 21
ETSI
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SIST EN 303 105-2 V1.1.1:2022
4 ETSI EN 303 105-2 V1.1.1 (2022-03)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are 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 Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
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.
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.
Foreword
This European Standard (EN) 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 DVB Project is an industry-led consortium of broadcasters, manufacturers, network operators, software developers,
regulators and others from around the world committed to designing open, interoperable technical specifications for the
global delivery of digital media and broadcast services. DVB specifications 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.
The present document is part 2 of a multi-part deliverable. Full details of the entire series can be found in part 1 [1].
ETSI
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SIST EN 303 105-2 V1.1.1:2022
5 ETSI EN 303 105-2 V1.1.1 (2022-03)
National transposition dates
Date of adoption of this EN: 24 March 2022
Date of latest announcement of this EN (doa): 30 June 2022
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 31 December 2022
Date of withdrawal of any conflicting National Standard (dow): 31 December 2022
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
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SIST EN 303 105-2 V1.1.1:2022
6 ETSI EN 303 105-2 V1.1.1 (2022-03)
1 Scope
The present document describes the next generation transmission system for digital terrestrial MIMO broadcasting to
handheld terminals making use of multi-aerial structures at the transmitting and receiving ends. It specifies the
differences of the MIMO Profile physical layer part to the physical layer part of the Base Profile ETSI
EN 303 105-1 [1] - from the input streams to the transmitted signals. This transmission system is intended for carrying
Transport Streams or generic data streams feeding linear and non-linear applications like television, radio and data
services. DVB-NGH terminals might also process DVB-T2-lite signals.
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
https://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 EN 303 105-1: "Digital Video Broadcasting (DVB); Next Generation broadcasting system to
Handheld, physical layer specification (DVB-NGH); Part 1: Base Profile".
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.
[i.1] ETSI EN 303 105-4: "Digital Video Broadcasting (DVB); Next Generation broadcasting system to
Handheld, physical layer specification (DVB-NGH); Part 4: Hybrid MIMO Profile".
3 Definition of terms, symbols and abbreviations
3.1 Terms
For the purposes of the present document, the terms given in ETSI EN 303 105-1 [1] apply.
3.2 Symbols
For the purposes of the present document, the symbols given in ETSI EN 303 105-1 [1] apply.
ETSI
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SIST EN 303 105-2 V1.1.1:2022
7 ETSI EN 303 105-2 V1.1.1 (2022-03)
3.3 Abbreviations
For the purposes of the present document, the abbreviations given in ETSI EN 303 105-1 [1] apply.
4 DVB-NGH MIMO system definition
4.1 System overview and architecture
4.1.1 Overview
MIMO transmission options are included in the optional MIMO Profile - reflected by the present document - in order to
exploit the diversity and capacity advantages made possible by the use of multiple transmission elements at the
transmitter and receiver. Channel estimation suitable for MIMO is provided by an appropriate pilot structure, identical
to that provided in the Base Profile ETSI EN 303 105-1 [1] for MISO frames. The term 'MIXO frames' encompasses all
frames containing such pilots. MIMO may hence form part of a transmission including MISO PLPs as well as SISO
frames as defined in the Base Profile [1]. Within MIXO frames, different schemes may be applied to constituent PLPs
according to the desired transmission characteristics; for instance MISO is specified for L1 signalling and may also be
used for any other low-rate high-robustness transmission. Rate 2 MIMO, which increases the data multiplexing rate by
sending distinct information from each transmit element, can be chosen where high data throughput efficiency is the
primary goal.
In the following clauses, the differences to the Base Profile ETSI EN 303 105-1 [1] are outlined with reference to their
Base Profile [1] counterparts.
Compared to the Base Profile [1], only the BICM and the OFDM generation stage contains functional differences.
NOTE: Blocks differing from the Base Profile ETSI EN 303 105-1 [1] are shaded to grey.
Figure 1: High level NGH physical layer block diagram of the MIMO Profile
4.1.2 Bit interleaved coding and modulation, MISO and MIMO precoding
The block diagram illustrating the functional differences in the BICM stage is shown in figure 2.
ETSI
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SIST EN 303 105-2 V1.1.1:2022
8 ETSI EN 303 105-2 V1.1.1 (2022-03)
Figure 2: Bit Interleaved Coding and Modulation (BICM) of the MIMO Profile
NOTE: Layer 1 signalling as in figure 2 above.
Figure 3: Bit Interleaved Coding and Modulation (BICM) with mixed MIMO and MISO PLPs
4.1.3 FEC encoding and interleaving inside a FEC block
MIMO PLPs within the MIMO Profile - reflected by the present document - employ a revised bit interleaver intended to
simplify iterative MIMO decoding at the receiver. The Base Profile ETSI EN 303 105-1 [1] bit to cell demultiplexing is
no longer explicitly present.
4.1.4 Modulation and component interleaving
The constellation is non-rotated QPSK, 16-QAM and 64-QAM. The constellation may be the same or different on the
output MIMO pair depending on the chosen operational mode.
4.1.5 Time interleaving (inter-frame convolutional interleaving plus
intra-frame block interleaving)
Since the time interleaving is carried out after the generation of two MIMO streams there are two parallel time
interleavers. The time interleaving applied to both MIMO streams is identical. To keep the total memory requirement
the same, each of these MIMO streams has half the maximum depth as the Base Profile [1].
ETSI
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SIST EN 303 105-2 V1.1.1:2022
9 ETSI EN 303 105-2 V1.1.1 (2022-03)
4.1.6 Frame building, frequency interleaving
MIMO frames are built according to figure 4. This is the same architecture as the Base Profile [1] except for the
allocation of space for the aP1 symbol.
The frequency interleaver is a pairwise interleaver defined in Base Profile [1], clause 9.10.
Figure 4: MIMO Frame Builder
4.1.7 OFDM generation
The ACE PAPR technique cannot be applied to frames of preamble format "NGH-MIMO".
Figure 5: OFDM generation
5 Transmit/receive system compatibility
To make use of the MIMO Profile reflected by the present document, the proposed transmitter hardware shall include
individually-fed cross-polar antennas (Horizontal (HP) and Vertical POLARIZATION (VP)). In addition, to receive and
decode the MIMO signal, a cross-polar pair of antennas is necessary at the receive terminal.
In a given PLP, only one of MISO or MIMO encoding may be used, i.e. they are not cascadable.
The bit interleaver for the MIMO Profile described below in clause 6 is a replacement for that described in ETSI
EN 303 105-1 [1].
ETSI
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SIST EN 303 105-2 V1.1.1:2022
10 ETSI EN 303 105-2 V1.1.1 (2022-03)
6 Bit interleaver
The bit interleaver used for MIMO PLPs is different from the one used in the Base Profile [1]. Figure 6 shows the basic
block diagram.
Figure 6: Bit Interleaver of the MIMO Profile
In order to allow for a more efficient receiver implementation, the new bit interleaver is adapted to the quasi-cyclic
structure of the LDPC code. The new bit interleaver for MIMO consists of two components: a parity interleaver and a
parallel bit interleaver.
The parity interleaver is identical to the one used in the bit interleaver of the Base Profile (see ETSI EN 303 105-1 [1],
clause 6.1.4). Its role is to convert the staircase structure of the parity-part of the LDPC parity-check matrix into a quasi-
cyclic structure similar to the information-part of the matrix. At the output of the parity interleaver the LDPC codeword
consists of 45 adjacent Quasi-cyclic Blocks (QB), each block consisting of 360 bits (note also the Q parameter in
ldpc
ETSI EN 303 105-1 [1], clause 6.1.2). The parity-interleaved codeword is interleaved by the parallel bit interleaver and
then mapped to a sequence of Spatial-Multiplexing (SM) blocks of N bits each, as shown in figure 7 for N = 8.
bpcu bpcu
QB 1 QB 2 QB 3 QB 45
b b b b b b b b
1 360 1 360 1 360 1 360
Parallel Bit Interleaver
SM block SM block SM block SM block
1 2 3 4050
Figure 7: Parallel bit interleaver, QB and section interleaver part
The parallel interleaver in turn comprises two stages: a QB interleaver and a section interleaver.
The QB interleaver permutes the order of the 45 Quasi-cyclic Blocks (QBs) of the LDPC codeword. The corresponding
QB permutation is optimized for each combination of N , code rate, and power imbalance. Tables 1 to 3 show these
bpcu
permutations for N = 6, 8 and 10, respectively, each table containing the permutations for all code rates and power
bpcu
imbalances. The QB indices range from 1 to 45.
ETSI
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SIST EN 303 105-2 V1.1.1:2022
11 ETSI EN 303 105-2 V1.1.1 (2022-03)
Table 1: QB permutations for 6 bits per channel use
QB permutations for 6 bits per channel use
Code Power
rate imbalance
Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11 Section 12 Section 13 Section 14 Section 15
1:1 17 5 343328382213 321444 7 2723184110352115 45422631392912 4 1 2 4036 192043 9 16 3 24 11372530 8 6
1/3
1:2 20 23 40 15 19 21 27 44 9 10 11 36 18 38 32 35 39 31 16 33 42 30 1 7 34 43 45 17 28 22 8 4 2 14 24 41 37 25 12 26 5 3 6 13 29
1:4 6 2736 3 19 1 2838 16 8 322433133515 2 7 4143 31422522113044231821 4 26 39 5 2945203440 37141710 9 12
1:1 20 16344128361935 424543 2 1 8 3012 9 141038 1522 6 5 2413313223274039 1833 3 2925 7 21 4417263711 4
2/5 1:2 20 16344128361935 424543 2 1 8 3012 9 141038 1522 6 5 2413313223274039 1833 3 2925 7 21 4417263711 4
1:4 20 16344128361935 424543 2 1 8 3012 9 141038 1522 6 5 2413313223274039 1833 3 2925 7 21 4417263711 4
1:1 13 11444124121627 142232 5 172939 6 353010 8 37 3 38 1 7 4226152834 9 23 43 4 40 2 202536 213331181945
7/15
1:2 34 13241640192338 1 283621 9 6 2 4244 8 4333 5 2241322945151826372731 101730111420 7 3 35 4 392512
1:4 34 13241640192338 1 283621 9 6 2 4244 8 4333 5 2241322945151826372731 101730111420 7 3 35 4 392512
1:1 12 2714351338 7 39 9 194333242510 6 4521 2 28 4 3 1715404222 8 41113216 18443137302629 343623 5 20 1
8/15 1:2 8 25 22 18 28 20 3 23 4 33 38 19 27 31 11 6 45 24 29 39 7 26 41 2 10 40 32 13 14 9 1 34 5 35 36 21 42 37 12 16 30 17 15 44 43
1:4 34 13241615182332 1 283621 9 6 2 4244 8 3733 5 2219142945404126432731 101730113820 7 3 35 4 392512
1:1 32 38 25 18 28 34 7 39 15 20 40 44 19 12 29 14 17 21 33 5 24 36 41 31 10 6 27 45 42 37 13 43 11 26 16 22 2 1 3 8 30 9 23 4 35
3/5
1:2 31 43262044391828 11371236344240 9 7 2122 6 16272913 8 3019384532 4 2 10 5 1 14174124 35 3 23153325
1:4 23 5 22 42 45 20 43 18 11 27 39 34 41 37 6 24 16 8 30 40 12 35 21 31 36 10 33 44 38 14 4 3 13 9 29 19 32 15 25 28 26 17 1 2 7
1:1 19 33 39 10 14 34 27 3 40 20 36 32 16 17 43 7 9 26 11 44 21 5 42 31 6 41 8 4 24 13 25 15 18 23 1 45 30 2 38 12 29 22 35 28 37
2/3 1:2 10 2431 4 5 432234 2118361211 9 133541152029 8 16 2 40272539 6 33453028 3723 1 14 7 3 26 424438191732
1:4 45 392838162010 8 144435 4 2434122632153022 112143171913 6 2 5 373142 9 7 401825 1 27 23 3 29334136
1:1 5 3539 3 25164417 4 321312 8 264510 6 152140 43272433 2 28412919381420 3036 7 2334 1 18 224211 9 3731
11/15
1:2 5 3539 3 25164417 4 321312 8 264510 6 152140 43272433 2 28412919381420 3036 7 2334 1 18 224211 9 3731
1:4 45 1 39 13 34 18 22 3 19 20 37 17 36 30 27 16 31 2 8 42 35 6 38 33 28 23 9 21 43 4 12 15 29 32 40 24 14 7 5 10 41 44 25 11 26
Table 2: QB permutations for 8 bits per channel use
QB permutations for 8 bits per channel use
Code Power
rate imbalance
Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11
1:1 9 37 33 39 38 28 14 3 43 36 1 20 4 7 12 6 13 35 8 23 19 32 42 25 41 10 44 30 24 31 40 27 15 26 21 29 5 17 11 34 22 16 18 2 45
1/3 1:2 4 16 25 1 19 42 36 8 13 34 41 6 37 9 12 17 3 35 32 22 2 39 11 21 14 33 15 23 44 18 26 40 43 24 10 5 28 20 29 31 7 27 30 38 45
1:4 4 16 25 1 19 42 36 8 13 34 41 6 37 9 12 17 3 35 32 22 2 39 11 21 14 33 15 23 44 18 26 40 43 24 10 5 28 20 29 31 7 27 30 38 45
1:1 7 21 43 35 27 4 24 5 16 20 30 10 17 42 41 44 15 13 31 36 23 12 37 18 1 19 40 22 29 9 38 8 6 34 14 26 39 3 25 32 28 33 11 2 45
2/5
1:2 7 21 43 35 27 4 24 5 16 20 30 10 17 42 41 44 15 13 31 36 23 12 37 18 1 19 40 22 29 9 38 8 6 34 14 26 39 3 25 32 28 33 11 2 45
1:4 38 3 28 4 17 9 16 12 36 29 19 6 8 35 7 40 37 10 44 34 2 15 14 39 32 5 42 20 1 26 18 13 23 33 11 22 31 25 43 21 27 24 41 30 45
1:1 8 123821281924 6 3117272032 5 35 2 37 1 4 3 43 9 413326153918291130 7 44232516141034 362242134045
7/15 1:2 41 14332227102112 351934 8 3715 5 2028242932 11 4 1 3 3044 6 7 23422517 26 2 3613394338 1640 9 311845
1:4 35 15 8 5 402042 1 2 1131 3 4137 6 1036143428 44221230291726272343 9 4 38182421321613 39331925 7 45
1:1 17 39 38 26 41 10 33 6 28 5 14 3 42 22 31 43 25 40 44 24 8 1 12 4 29 15 7 20 34 2 36 23 37 16 11 9 30 27 32 21 35 13 18 19 45
8/15
1:2 28 29 19 22 35 43 44 16 21 38 41 5 27 37 15 42 7 18 9 20 25 10 40 4 34 3 31 2 12 14 6 17 26 8 30 1 33 39 23 13 36 11 32 24 45
1:4 16 2444 3 3934 8 11 372526 7 294342 1 35222117 4 2 33 5 27101314361923 9 41403220281831 153012 6 3845
1:1 24 3 15 2 40112918 421234163121411944143825 373632 7 1 28 5 1033 9 6 17 4 133923302643 8 3520272245
3/5 1:2 27 2032184133 6 12 352114 9 3137231642404313 363426223028 8 19 1 44 3 38 11391024292517 7 5 15 4 2 45
1:4 27 2032184133 6 12 352114 9 3137231642404313 363426223028 8 19 1 44 3 38 11391024292517 7 5 15 4 2 45
1:1 40 383635 1 2318 9 24294327 2 19 3 10252037 6 4 7 413942171411 8 223212 281521 5 342613 301633443145
2/3
1:2 2 23 3 16 1 12 19 17 30 41 43 24 35 33 22 42 34 13 5 40 15 8 11 32 28 29 36 10 38 39 21 14 44 18 7 26 4 31 9 6 37 27 25 20 45
1:4 2 23 3 16 1 12 19 17 30 41 43 24 35 33 22 42 34 13 5 40 15 8 11 32 28 29 36 10 38 39 21 14 44 18 7 26 4 31 9 6 37 27 25 20 45
1:1 15 5 37201843 1 33 12293027212434 4 7 444136 2516401119322823 8 223835 17 2 4213142639 3 31 6 10 9 45
11/15 1:2 15 5 37201843 1 33 12293027212434 4 7 444136 2516401119322823 8 223835 17 2 4213142639 3 31 6 10 9 45
1:4 37 282021222712 6 44251813 1 14 3 42 9 412624 1911303339 2 233215 5 1743 3416 4 29 7 3835 103640 8 3145
ETSI
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...
SLOVENSKI STANDARD
oSIST prEN 303 105-2 V1.0.3:2022
01-april-2022
Digitalna videoradiodifuzija (DVB) - Radiodifuzijski sistem naslednje generacije za
dlančnike, specifikacija fizične plasti (DVB-NGH) - 2. del: Profil MIMO
Digital Video Broadcasting (DVB) - Next Generation broadcasting system to Handheld,
physical layer specification (DVB-NGH) - Part 2: MIMO Profile
Ta slovenski standard je istoveten z: ETSI EN 303 105-2 V1.0.3 (2021-12)
ICS:
33.170 Televizijska in radijska Television and radio
difuzija broadcasting
35.100.10 Fizični sloj Physical layer
oSIST prEN 303 105-2 V1.0.3:2022 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
---------------------- Page: 1 ----------------------
oSIST prEN 303 105-2 V1.0.3:2022
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oSIST prEN 303 105-2 V1.0.3:2022
Draft ETSI EN 303 105-2 V1.0.3 (2021-12)
EUROPEAN STANDARD
Digital Video Broadcasting (DVB);
Next Generation broadcasting system to Handheld,
physical layer specification (DVB-NGH);
Part 2: MIMO Profile
---------------------- Page: 3 ----------------------
oSIST prEN 303 105-2 V1.0.3:2022
2 Draft ETSI EN 303 105-2 V1.0.3 (2021-12)
Reference
DEN/JTC-DVB-373-2
Keywords
audio, broadcasting, data, digital, DVB, hybrid,
MIMO, MPEG, radio, satellite, terrestrial 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 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871
Important notice
The present document can be downloaded from:
http://www.etsi.org/standards-search
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ETSI
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oSIST prEN 303 105-2 V1.0.3:2022
3 Draft ETSI EN 303 105-2 V1.0.3 (2021-12)
Contents
Intellectual Property Rights . 4
Foreword . 4
Modal verbs terminology . 5
1 Scope . 6
2 References . 6
2.1 Normative references . 6
2.2 Informative references . 6
3 Definition of terms, symbols and abbreviations . 6
3.1 Terms . 6
3.2 Symbols . 6
3.3 Abbreviations . 7
4 DVB-NGH MIMO system definition . . 7
4.1 System overview and architecture . 7
4.1.1 Overview . 7
4.1.2 Bit interleaved coding and modulation, MISO and MIMO precoding . 7
4.1.3 FEC encoding and interleaving inside a FEC block . 8
4.1.4 Modulation and component interleaving . 8
4.1.5 Time interleaving (inter-frame convolutional interleaving plus intra-frame block interleaving) . 8
4.1.6 Frame building, frequency interleaving . 9
4.1.7 OFDM generation . 9
5 Transmit/receive system compatibility. 9
6 Bit interleaver . 10
7 Complex symbol generation . 12
8 Power imbalance . 13
9 MIMO precoding . 14
9.1 Overview . 14
9.2 Spatial-multiplexing encoding . 15
9.3 Phase hopping . 15
10 eSFN processing for MIXO . 16
11 SISO/MIXO options for P1, aP1 and P2 symbols . 16
12 Layer 1 signalling data specific for the MIMO Profile . 16
12.1 P1 and additional P1 signalling data. 16
12.2 L1-PRE signalling data . 17
12.3 L1-POST signalling data . 18
12.3.1 L1-POST-configurable signalling data . 18
12.3.2 L1-POST-dynamic signalling data . 19
12.3.3 In-band signalling type A . 19
Annex A (informative): Bibliography . 20
History . 21
ETSI
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oSIST prEN 303 105-2 V1.0.3:2022
4 Draft ETSI EN 303 105-2 V1.0.3 (2021-12)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are 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 Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
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.
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.
Foreword
This draft European Standard (EN) 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), and is now submitted for the combined Public Enquiry and Vote phase
of the ETSI standards EN Approval Procedure.
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 DVB Project is an industry-led consortium of broadcasters, manufacturers, network operators, software developers,
regulators and others from around the world committed to designing open, interoperable technical specifications for the
global delivery of digital media and broadcast services. DVB specifications 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.
The present document is part 2 of a multi-part deliverable. Full details of the entire series can be found in part 1 [1].
ETSI
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5 Draft ETSI EN 303 105-2 V1.0.3 (2021-12)
Proposed national transposition dates
Date of latest announcement of this EN (doa): 3 months after ETSI publication
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 6 months after doa
Date of withdrawal of any conflicting National Standard (dow): 6 months after doa
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
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oSIST prEN 303 105-2 V1.0.3:2022
6 Draft ETSI EN 303 105-2 V1.0.3 (2021-12)
1 Scope
The present document describes the next generation transmission system for digital terrestrial MIMO broadcasting to
handheld terminals making use of multi-aerial structures at the transmitting and receiving ends. It specifies the
differences of the MIMO Profile physical layer part to the physical layer part of the Base Profile ETSI
EN 303 105-1 [1] - from the input streams to the transmitted signals. This transmission system is intended for carrying
Transport Streams or generic data streams feeding linear and non-linear applications like television, radio and data
services. DVB-NGH terminals might also process DVB-T2-lite signals.
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
https://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 EN 303 105-1: "Digital Video Broadcasting (DVB); Next Generation broadcasting system to
Handheld, physical layer specification (DVB-NGH); Part 1: Base Profile".
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.
[i.1] ETSI EN 303 105-4: "Digital Video Broadcasting (DVB); Next Generation broadcasting system to
Handheld, physical layer specification (DVB-NGH); Part 4: Hybrid MIMO Profile".
3 Definition of terms, symbols and abbreviations
3.1 Terms
For the purposes of the present document, the terms given in ETSI EN 303 105-1 [1] apply.
3.2 Symbols
For the purposes of the present document, the symbols given in ETSI EN 303 105-1 [1] apply.
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7 Draft ETSI EN 303 105-2 V1.0.3 (2021-12)
3.3 Abbreviations
For the purposes of the present document, the abbreviations given in ETSI EN 303 105-1 [1] apply:
4 DVB-NGH MIMO system definition
4.1 System overview and architecture
4.1.1 Overview
MIMO transmission options are included in the optional MIMO Profile - reflected by the present document - in order to
exploit the diversity and capacity advantages made possible by the use of multiple transmission elements at the
transmitter and receiver. Channel estimation suitable for MIMO is provided by an appropriate pilot structure, identical
to that provided in the Base Profile ETSI EN 303 105-1 [1] for MISO frames. The term 'MIXO frames' encompasses all
frames containing such pilots. MIMO may hence form part of a transmission including MISO PLPs as well as SISO
frames as defined in the Base Profile [1]. Within MIXO frames, different schemes may be applied to constituent PLPs
according to the desired transmission characteristics; for instance MISO is specified for L1 signalling and may also be
used for any other low-rate high-robustness transmission. Rate 2 MIMO, which increases the data multiplexing rate by
sending distinct information from each transmit element, can be chosen where high data throughput efficiency is the
primary goal.
In the following clauses, the differences to the Base Profile ETSI EN 303 105-1 [1] are outlined with reference to their
Base Profile [1] counterparts.
Compared to the Base Profile [1], only the BICM and the OFDM generation stage contains functional differences.
NOTE: Blocks differing from the Base Profile ETSI EN 303 105-1 [1] are shaded to grey.
Figure 1: High level NGH physical layer block diagram of the MIMO Profile
4.1.2 Bit interleaved coding and modulation, MISO and MIMO precoding
The block diagram illustrating the functional differences in the BICM stage is shown in figure 2.
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oSIST prEN 303 105-2 V1.0.3:2022
8 Draft ETSI EN 303 105-2 V1.0.3 (2021-12)
Figure 2: Bit Interleaved Coding and Modulation (BICM) of the MIMO Profile
NOTE: Layer 1 signalling as in figure 2 above.
Figure 3: Bit Interleaved Coding and Modulation (BICM) with mixed MIMO and MISO PLPs
4.1.3 FEC encoding and interleaving inside a FEC block
MIMO PLPs within the MIMO Profile - reflected by the present document - employ a revised bit interleaver intended to
simplify iterative MIMO decoding at the receiver. The Base Profile ETSI EN 303 105-1 [1] bit to cell demultiplexing is
no longer explicitly present.
4.1.4 Modulation and component interleaving
The constellation is non-rotated QPSK, 16-QAM and 64-QAM. The constellation may be the same or different on the
output MIMO pair depending on the chosen operational mode.
4.1.5 Time interleaving (inter-frame convolutional interleaving plus intra-
frame block interleaving)
Since the time interleaving is carried out after the generation of two MIMO streams there are two parallel time
interleavers. The time interleaving applied to both MIMO streams is identical. To keep the total memory requirement
the same, each of these MIMO streams has half the maximum depth as the Base Profile [1].
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9 Draft ETSI EN 303 105-2 V1.0.3 (2021-12)
4.1.6 Frame building, frequency interleaving
MIMO frames are built according to figure 4. This is the same architecture as the Base Profile [1] except for the
allocation of space for the aP1 symbol.
The frequency interleaver is a pairwise interleaver defined in Base Profile [1], clause 9.10.
Figure 4: MIMO Frame Builder
4.1.7 OFDM generation
The ACE PAPR technique cannot be applied to frames of preamble format "NGH-MIMO".
Figure 5: OFDM generation
5 Transmit/receive system compatibility
To make use of the MIMO Profile reflected by the present document, the proposed transmitter hardware shall include
individually-fed cross-polar antennas (Horizontal (HP) and Vertical POLARIZATION (VP)). In addition, to receive and
decode the MIMO signal, a cross-polar pair of antennas is necessary at the receive terminal.
In a given PLP, only one of MISO or MIMO encoding may be used, i.e. they are not cascadable.
The bit interleaver for the MIMO Profile described below in clause 6 is a replacement for that described in ETSI
EN 303 105-1 [1].
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10 Draft ETSI EN 303 105-2 V1.0.3 (2021-12)
6 Bit interleaver
The bit interleaver used for MIMO PLPs is different from the one used in the Base Profile [1]. Figure 6 shows the basic
block diagram.
Figure 6: Bit Interleaver of the MIMO Profile
In order to allow for a more efficient receiver implementation, the new bit interleaver is adapted to the quasi-cyclic
structure of the LDPC code. The new bit interleaver for MIMO consists of two components: a parity interleaver and a
parallel bit interleaver.
The parity interleaver is identical to the one used in the bit interleaver of the Base Profile (see ETSI EN 303 105-1 [1],
clause 6.1.4). Its role is to convert the staircase structure of the parity-part of the LDPC parity-check matrix into a quasi-
cyclic structure similar to the information-part of the matrix. At the output of the parity interleaver the LDPC codeword
consists of 45 adjacent Quasi-cyclic Blocks (QB), each block consisting of 360 bits (note also the Q parameter in
ldpc
ETSI EN 303 105-1 [1], clause 6.1.2). The parity-interleaved codeword is interleaved by the parallel bit interleaver and
then mapped to a sequence of Spatial-Multiplexing (SM) blocks of N bits each, as shown in figure 7 for N = 8.
bpcu bpcu
QB 1 QB 2 QB 3 QB 45
b b b b b b b b
1 360 1 360 1 360 1 360
Parallel Bit Interleaver
SM block SM block SM block SM block
1 2 3 4050
Figure 7: Parallel bit interleaver, QB and section interleaver part
The parallel interleaver in turn comprises two stages: a QB interleaver and a section interleaver.
The QB interleaver permutes the order of the 45 Quasi-cyclic Blocks (QBs) of the LDPC codeword. The corresponding
QB permutation is optimized for each combination of N , code rate, and power imbalance. Tables 1 to 3 show these
bpcu
permutations for N = 6, 8 and 10, respectively, each table containing the permutations for all code rates and power
bpcu
imbalances. The QB indices range from 1 to 45.
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11 Draft ETSI EN 303 105-2 V1.0.3 (2021-12)
Table 1: QB permutations for 6 bits per channel use
QB permutations for 6 bits per channel use
Code Power
rate imbalance
Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11 Section 12 Section 13 Section 14 Section 15
1:1 17 5 343328382213 321444 7 2723184110352115 45422631392912 4 1 2 4036 192043 9 16 3 24 11372530 8 6
1/3
1:2 20 23 40 15 19 21 27 44 9 10 11 36 18 38 32 35 39 31 16 33 42 30 1 7 34 43 45 17 28 22 8 4 2 14 24 41 37 25 12 26 5 3 6 13 29
1:4 6 2736 3 19 1 2838 16 8 322433133515 2 7 4143 31422522113044231821 4 26 39 5 2945203440 37141710 9 12
1:1 20 16344128361935 424543 2 1 8 3012 9 141038 1522 6 5 2413313223274039 1833 3 2925 7 21 4417263711 4
2/5 1:2 20 16344128361935 424543 2 1 8 3012 9 141038 1522 6 5 2413313223274039 1833 3 2925 7 21 4417263711 4
1:4 20 16344128361935 424543 2 1 8 3012 9 141038 1522 6 5 2413313223274039 1833 3 2925 7 21 4417263711 4
1:1 13 11444124121627 142232 5 172939 6 353010 8 37 3 38 1 7 4226152834 9 23 43 4 40 2 202536 213331181945
7/15
1:2 34 13241640192338 1 283621 9 6 2 4244 8 4333 5 2241322945151826372731 101730111420 7 3 35 4 392512
1:4 34 13241640192338 1 283621 9 6 2 4244 8 4333 5 2241322945151826372731 101730111420 7 3 35 4 392512
1:1 12 2714351338 7 39 9 194333242510 6 4521 2 28 4 3 1715404222 8 41113216 18443137302629 343623 5 20 1
8/15 1:2 8 25 22 18 28 20 3 23 4 33 38 19 27 31 11 6 45 24 29 39 7 26 41 2 10 40 32 13 14 9 1 34 5 35 36 21 42 37 12 16 30 17 15 44 43
1:4 34 13241615182332 1 283621 9 6 2 4244 8 3733 5 2219142945404126432731 101730113820 7 3 35 4 392512
1:1 32 38 25 18 28 34 7 39 15 20 40 44 19 12 29 14 17 21 33 5 24 36 41 31 10 6 27 45 42 37 13 43 11 26 16 22 2 1 3 8 30 9 23 4 35
3/5
1:2 31 43262044391828 11371236344240 9 7 2122 6 16272913 8 3019384532 4 2 10 5 1 14174124 35 3 23153325
1:4 23 5 22 42 45 20 43 18 11 27 39 34 41 37 6 24 16 8 30 40 12 35 21 31 36 10 33 44 38 14 4 3 13 9 29 19 32 15 25 28 26 17 1 2 7
1:1 19 33 39 10 14 34 27 3 40 20 36 32 16 17 43 7 9 26 11 44 21 5 42 31 6 41 8 4 24 13 25 15 18 23 1 45 30 2 38 12 29 22 35 28 37
2/3 1:2 10 2431 4 5 432234 2118361211 9 133541152029 8 16 2 40272539 6 33453028 3723 1 14 7 3 26 424438191732
1:4 45 392838162010 8 144435 4 2434122632153022 112143171913 6 2 5 373142 9 7 401825 1 27 23 3 29334136
1:1 5 3539 3 25164417 4 321312 8 264510 6 152140 43272433 2 28412919381420 3036 7 2334 1 18 224211 9 3731
11/15
1:2 5 3539 3 25164417 4 321312 8 264510 6 152140 43272433 2 28412919381420 3036 7 2334 1 18 224211 9 3731
1:4 45 1 39 13 34 18 22 3 19 20 37 17 36 30 27 16 31 2 8 42 35 6 38 33 28 23 9 21 43 4 12 15 29 32 40 24 14 7 5 10 41 44 25 11 26
Table 2: QB permutations for 8 bits per channel use
QB permutations for 8 bits per channel use
Code Power
rate imbalance
Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11
1:1 9 37 33 39 38 28 14 3 43 36 1 20 4 7 12 6 13 35 8 23 19 32 42 25 41 10 44 30 24 31 40 27 15 26 21 29 5 17 11 34 22 16 18 2 45
1/3 1:2 4 16 25 1 19 42 36 8 13 34 41 6 37 9 12 17 3 35 32 22 2 39 11 21 14 33 15 23 44 18 26 40 43 24 10 5 28 20 29 31 7 27 30 38 45
1:4 4 16 25 1 19 42 36 8 13 34 41 6 37 9 12 17 3 35 32 22 2 39 11 21 14 33 15 23 44 18 26 40 43 24 10 5 28 20 29 31 7 27 30 38 45
1:1 7 21 43 35 27 4 24 5 16 20 30 10 17 42 41 44 15 13 31 36 23 12 37 18 1 19 40 22 29 9 38 8 6 34 14 26 39 3 25 32 28 33 11 2 45
2/5
1:2 7 21 43 35 27 4 24 5 16 20 30 10 17 42 41 44 15 13 31 36 23 12 37 18 1 19 40 22 29 9 38 8 6 34 14 26 39 3 25 32 28 33 11 2 45
1:4 38 3 28 4 17 9 16 12 36 29 19 6 8 35 7 40 37 10 44 34 2 15 14 39 32 5 42 20 1 26 18 13 23 33 11 22 31 25 43 21 27 24 41 30 45
1:1 8 123821281924 6 3117272032 5 35 2 37 1 4 3 43 9 413326153918291130 7 44232516141034 362242134045
7/15 1:2 41 14332227102112 351934 8 3715 5 2028242932 11 4 1 3 3044 6 7 23422517 26 2 3613394338 1640 9 311845
1:4 35 15 8 5 402042 1 2 1131 3 4137 6 1036143428 44221230291726272343 9 4 38182421321613 39331925 7 45
1:1 17 39 38 26 41 10 33 6 28 5 14 3 42 22 31 43 25 40 44 24 8 1 12 4 29 15 7 20 34 2 36 23 37 16 11 9 30 27 32 21 35 13 18 19 45
8/15
1:2 28 29 19 22 35 43 44 16 21 38 41 5 27 37 15 42 7 18 9 20 25 10 40 4 34 3 31 2 12 14 6 17 26 8 30 1 33 39 23 13 36 11 32 24 45
1:4 16 2444 3 3934 8 11 372526 7 294342 1 35222117 4 2 33 5 27101314361923 9 41403220281831 153012 6 3845
1:1 24 3 15 2 40112918 421234163121411944143825 373632 7 1 28 5 1033 9 6 17 4 133923302643 8 3520272245
3/5 1:2 27 2032184133 6 12 352114 9 3137231642404313 363426223028 8 19 1 44 3 38 11391024292517 7 5 15 4 2 45
1:4 27 2032184133 6 12 352114 9 3137231642404313 363426223028 8 19 1 44 3 38 11391024292517 7 5 15 4 2 45
1:1 40 383635 1 2318 9 24294327 2 19 3 10252037 6 4 7 413942171411 8 223212 281521 5 342613 301633443145
2/3
1:2 2 23 3 16 1 12 19 17 30 41 43 24 35 33 22 42 34 13 5 40 15 8 11 32 28 29 36 10 38 39 21 14 44 18 7 26 4 31 9 6 37 27 25 20 45
1:4 2 23 3 16 1 12 19 17 30 41 43 24 35 33 22 42 34 13 5 40 15 8 11 32 28 29 36 10 38 39 21 14 44 18 7 26 4 31 9 6 37 27 25 20 45
1:1 15 5 37201843 1 33 12293027212434 4 7 444136 2516401119322823 8 223835 17 2 4213142639 3 31 6 10 9 45
11/15 1:2 15 5 37201843 1 33 12293027212434 4 7 444136 2516401119322823 8 223835 17 2 4213142639 3 31 6 10 9 45
1:4 37 282021222712 6 44251813 1 14 3 42 9 412624 1911303339 2 233215 5 1743 3416 4 29 7 3835 103640 8 3145
ETSI
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...
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