Standardized DVB-T2 RF specifications - DigitalEurope

DIGITALEUROPE White paper: 

Standardized DVB-T2 RF specifications 

DIGITALEUROPE 

Rue de la Science, 14>> B-1040 Brussels [Belgium] 

T. +32 2 609 53 10 >>F. +32 2 609 53 39 

www.digitaleurope.org 

Transparency register member for the Commission: 64270747023-20 

Brussels, April 17, 2012 

DIGITALEUROPE represents the digital technology industry in Europe. Our 100+ members 

include some of the world’s largest IT, telecommunications and consumer electronics 

companies, as well as national associations from every part of Europe. 

This paper summarises recent work of the DIGITALEUROPE E-book RF group on defining a 

minimum RF specification for DVB-T2 receivers. Some of the specification is derived from 

work carried out in the UK DTG D-Book RF group but it also includes new test areas not 

covered by other DVB-T2 RF specifications. The aim is to show the current best practice for 

DVB-T2 receiver specification and testing. The specification has been verified on recent 

DVB-T2 receivers. It is hoped this white paper will assist countries rolling out new T2 

services. This specification will eventually be published as an update to the IEC 62216 E- 

Book. 

1- DVB-T2 MODES 

DVB-T2 is a very flexible physical layer standard with many configuration options. 

Unfortunately this very flexibility makes standardising on common operating modes difficult 

due to the large number of possible mode combinations. To keep receiver compliance testing 

time within reasonable limits, we have defined a subset of 9 modes for detailed performance 

testing in difficult channels (Table 1). These modes cover many important areas of 

functionality in the DVB-T2 specification. In addition it is expected that the receiver should be 

able to demodulate an impairment free signal with all the following options from the DVB-T2 

specification (EN 302 755). Receivers should be able to automatically detect the mode being 

received when channel scanning. 

� Constellation (QPSK, 16-QAM, 64-QAM, 256QAM, rotated or normal) 

� Code rate (1/2, 3/5, 2/3, 3/4, 4/5 or 5/6), 

� Guard interval (1/4, 1/8, 1/16, 1/32, 1/128, 19/256, 19/128), 

� Transmission modes (1K, 2K, 4K, 8K, 16K, 32K), 

� Extended carrier modes (8K, 16K and 32K only) 

� Pilot patterns PP1-PP7 

� SISO and MISO 

� HEM (high efficiency) and normal modes 

� Normal and short FEC frames 

� 7 and 8 MHz bandwidths 

� Single and multiple PLP modes 

>>1 of 27

Most of these options can be tested using large sets of functional tests, however any 

changes to the DVB-T2 mode chosen for broadcasting must also be RF performance tested 

with the legacy receiver population to ensure a smooth transition. 

Table 1 – Selected DVB-T2 modes for performance testing 

Mode: 1 2 3 4 5 6 1 7 8 9 

Test 

Coverage 

FFTSIZE 

E=Ext. N=Normal 

AWGN & Static 0dB Echo Tests All Performance Tests 

CCI Tests with 

modes 4 & 5 

SFN SFN MFN SFN SFN 

8KE 16KE 16KE 16KN 32KN 32KN 32KE 32KE 32KE 

GI 1/16 19/128 19/256 1/32 1/32 1/8 1/128 1/16 1/32 

LF 252 120 118 128 62 44 60 62 62 

SISO/MISO SISO SISO SISO SISO 

SISO/ 

SISO SISO SISO SISO 

(MISO) 2 

PAPR None TR None TR TR TR None TR TR 

Frames per 

superframe (NT2) 

Channel 

Bandwidth (MHz) 

Signal 

Bandwidth (MHz) 

2 2 2 2 2 2 2 2 2 

8 8 8 8 8 7 8 8 8 

7.71 7.77 7.77 7.61 7.61 7.61 7.77 7.77 7.77 

Pilot Pattern PP4 PP3 PP2 PP4 PP4 PP2 PP7 PP4 PP6 

L1 Modulation QPSK 16QAM 64QAM 64QAM 64QAM 64QAM 64QAM 64QAM 64QAM 

PLP #0 

Type 1 1 1 1 1 1 1 1 1 

Modulation QPSK 16QAM 64QAM 256QAM 256QAM 256QAM 256QAM 256QAM 256QAM 

Rate 1/2 2/3 2/3 3/5 3/5 3/5 2/3 2/3 3/4 

FEC Type 64800 64800 64800 64800 64800 64800 64800 64800 64800 

Rotated QAM Yes Yes Yes Yes Yes Yes Yes Yes Yes 

FEC blocks per 

interleaving frame 

TI blocks per 

frame (N_TI) 

T2 frames per 

Interleaving 

Frame (P_I) 

Frame Interval 

(I_JUMP) 

Type of timeinterleaving 

Time Interleaving 

Length 

51 96 138 202 

196/ 

(195) 

132 202 200 204 

3 3 3 3 3 2 3 3 3 

1 1 1 1 1 1 1 1 1 

1 1 1 1 1 1 1 1 1 

0 0 0 0 0 0 0 0 0 

3 3 3 3 3 2 3 3 3 

Data Rate Mbit/s 6.8601 16.7738 26.2131 33.1148 

Sensitivity dBm 

(NF=7dB) 

33.1667/( 

32.9974) 

25.2380 40.2146 36.5519 43.2113 

-94.5 -86.6 -81.4 -78.7 -78.8 -78.8 -77.8 -77.2 -75.7 

1 Note performance testing for the 7MHz mode 6 should use frequencies in VHF band III. 

2 When mode 5 is used in MISO mode, the number of FEC blocks per interleaving frame needs to be set to 195 

instead of the SISO value of 196. 

>>2 of 27

All single PLP modes use HEM (High Efficiency) input stage mode. There is no null packet 

deletion, in-band signaling, L1 repetition or auxiliary streams. In order to comply with v1.2.1 

of the DVB-T2 specification, ISSY should be used in all but the simplest of modes and so the 

use of ISSY is explicitly indicated in this document where it is required. Network operators 

should be aware that some signal configurations allowed by version 1.1.1 but prohibited by 

version 1.2.1 might not be correctly received and decoded by receivers designed to the later 

versions. It is therefore recommended that only parameter combinations permitted by version 

1.2.1 and later be used. The L1 signaling may however be transmitted according to version 

1.1.1. 

To reduce receiver testing times, modes 1-4 in Table 1 are only tested for basic AWGN and 

0dB echo C/N, and mode 4 is additionally used for co-channel ATV interference testing. 

Modes 5-9 represent more commonly used SFN and MFN modes and are specified with all 

the performance tests. 

2- RF FREQUENCIES 

This specification covers operation in VHF band III (7MHz channel bandwidth) and/or UHF 

bands IV and V (8MHz channel bandwidth). Receivers should be able to operate with 

transmission network frequency errors of up to +/-50 KHz, and channel bandwidths of 7 

and/or 8MHz. 

3- FAILURE POINT CRITERIA 

Due to the sharp “cliff-edge” BER characteristic of LDPC decoding, BER measurements are 

very time consuming to perform for DVB-T2 measurements, but picture failure 

measurements are easier to make than for DVB-T. For this reason, two different picture 

failure point criteria are defined for different tests: 

1. Picture failure point1 (PFP1), defined as the minimum C/N or C/I value when two out 

of three 10-second periods are free from picture artefacts. 

2. Picture failure point2 (PFP2), defined as the minimum C/N or C/I value when two out 

of three 20-second periods are free from picture artefacts. This reduces the 

probability of incorrect results when testing DVB-T2 impulse noise immunity for 

patterns 7-12 which have a long burst repetition period of 1000 ms. 

4- MINIMUM RECEIVER SIGNAL INPUT LEVELS 

The receiver should have a noise figure equal or better than 7 dB. 

The required minimum input signal levels (P min) for PFP1 are: 

P min = -98.1 dBm + C/N [dB ] [for 8 MHz modes 1-3, 7-9 ] 

P min = -98.2 dBm + C/N [dB ] [for 8 MHz modes 4-5 ] 

P min = -98.7 dBm + C/N [dB ] [for 7 MHz mode 6] 

where C/N is specified in Table 2 

>>3 of 27

5- MAXIMUM RECEIVER INPUT LEVEL 

The receiver should be able to handle DVB-T2 signals up to a level of -25 dBm while 

providing the specified performance. Maximum level for ATV/DTV interfering signals is 

-25dBm. 

6- C/N PERFORMANCE CALCULATION METHOD FOR AWGN AND 0dB ECHO 

The DVB-T2 implementation lines in the A133 Blue Book (ref.1) show two sets of simulations 

in tables 44 and 47. The simulations in table 44 represent the absolute best possible 

theoretical performance assuming a theoretical receiver that can perform “Genie Aided” demapping 

(an infinite number of de-mapping iterations). Table 44 also assumes an infinite 

number of LDPC iterations. Clearly neither of these two assumptions is valid for a real 

receiver due to finite limits on clock rate and silicon area. In contrast table 47 shows 

simulated performance for a receiver using a non-iterative de-mapper and 50 LDPC 

iterations (see also section 10.5.5 of ref.1). Table 47 is used to calculate the required AWGN 

C/N in this specification. However because table 47 does not include 0dB echo simulations 

but table 44 does, both these sets of simulation results are used derive the required C/N 

performance in 0dB echo channels as shown below. 

6- 1- AWGN C/N calculation 

C/N = (C/N)table_47 + A + Pboost+ IL + Dpx, where 

(C/N)table_47 = AWGN C/N for post LDPC BER=10 -6 (table 47 of ref.1) 

A = additional C/N required to reach post LDPC BER=10 -7 – around 0.1dB 

Pboost= correction for pilot boosting (from table 46 of ref.1) 

IL = loss due to real channel estimation, imperfect LDPC decoding and other 

imperfections not considered part of the back-stop noise. This is derived from ref.1 

and includes a small additional allowance for receiver synchronization, fixed point 

losses etc. For the E-book specification IL varies with pilot pattern as follows 2.5dB 

(PP1-PP2), 2.0dB (PP3-PP4), 1.5dB (PP5-PP7). 

Dpx= additional C/N term corresponding to a back-stop noise level at -33 dBc. This 

term is derived by first calculating the sum of all terms except Dpx and then checking 

how much C/N degradation is caused by the -33 dBc backstop noise level. The term 

Dpx is identical to this degradation. 

6- 2- 0dB echo C/N calculation 

C/N0db = (C/N)table_47 +[END of 0dB echo channel] + A + Pboost+ IL+IL(CR) + Dpx 

= (C/N)table_47 +[(C/N)0dB_table_44 – (C/N)AWGN_table_44] + A + Pboost+ IL+IL(CR) + Dpx, where 

(C/N)table_47, A, Pboost, IL and Dpx as defined above for the AWGN C/N calculation 

END = effective noise degradation (difference between 0dB echo and AWGN C/N) 

>>4 of 27

(C/N)0dB_table_44 = 0dB echo C/N for genie aided simulation (table 44 of ref.1) 

(C/N)AWGN_table_44 = AWGN C/N for genie aided simulation (table 44 of ref.1) 

IL(CR) = code rate dependent implementation loss due to additional losses in a 0dB 

echo channel. These are 1.0, 1.2, 1.4, 1.6, 1.8, 2.0 dB for 1/2 rate to 5/6 rate 

respectively). These have been verified on several different receiver implementations. 

7- AWGN C/N PERFORMANCE 

The receiver should have the performance given in Table 2 when noise (N) is applied 

together with the wanted carrier (C) in a signal bandwidth of 7.61, 7.71 & 7.77 MHz 

depending upon mode. The values are calculated using a receiver backstop noise value Px 

of -33 dBc. An ideal transmitter is assumed. The DVB-T2 signal is set to -50dBm at the tuner 

input. 

Table 2 - C/N (dB) for PFP1 

Mode Details 

Gaussian PFP1 

dB 

1 8KE QPSK 1/2 1/16 PP4 3.6 

2 16KE 16 QAM 2/3 19/128PP3 11.5 

3 16KE 64 QAM 2/3 19/256 PP2 16.7 

4 16KN 256 QAM 3/5 1/32 PP4 19.5 

5 32KN 256 QAM 3/5 1/32 PP4 19.4 

6 32KN 256 QAM 3/5 1/8 PP2 19.9 

7 32KE 256 QAM 2/3 1/128 PP7 20.3 

8 32KE 256 QAM 2/3 1/16 PP4 20.9 

9 32KE 256 QAM 3/4 1/32 PP6 22.4 

8- IMMUNITY TO ANALOGUE AND DIGITAL SIGNALS IN OTHER CHANNELS 

8- 1- General notes for testing 

All TV interferer signals are held at a constant at -25dBm at the tuner input whilst the wanted 

signal is attenuated until PFP1 is obtained. 

The RF signal should be broken after each change in wanted signal level to ensure the 

receiver re-acquires. This is to ensure any weaknesses in the receiver acquisition processes 

are included in the overall result. 

A band pass filter on the interference source is normally needed on N±3 measurements and 

beyond to achieve accurate results by reducing out of band interference from the 

interference source. 

>>5 of 27

8- 2- Immunity to analogue signals in other channels 

The immunity for interference from analogue TV signals in adjacent and non-adjacent 

channels is specified as the maximum ratio of the interference to wanted signal (I/C) for 

reception (PFP1). 

Table 3 shows recommended I/C levels for different types of analogue TV interference. 

Table 3 – Immunity to analogue signals on other channels (I/C PFP1) 

Mode 

N±1 

PAL G 

PAL I1 

N±1 

PAL B 3 

N-1 

SECAM L 

PAL D1 4 

N+1 

SECAM L 

PAL D1 4 

N±m (m�1) 

andN+9 5 

SECAM L 

PAL D1 4 

N±m (m�1) 

and image 

channel 5 

PAL B/G/I1 5 

Bandwidth: 8 MHz 7 MHz 8 MHz 8 MHz 8 MHz 7/8 MHz 

5 – 32KN 256Q 3/5 1/32 PP4 

8MHz 

6 – 32KN 256Q 3/5 1/8 PP2 

7MHz 

7 – 32KE 256Q 2/3 1/128 PP7 

8MHz 

8 – 32KE 256Q 2/3 1/16 PP4 

8MHz 

9 – 32KE 256Q 3/4 1/32 PP6 

8MHz 

8- 3- Immunity to DTT signals in other channels 

36 28 30 43 44 

32 43 

35 27 29 42 43 

34 26 28 41 42 

33 25 27 40 41 

The immunity for interference from digital TV signals in adjacent and non-adjacent channels 

is specified as the maximum ratio of the interference to wanted signal (I/C) for reception 

(PFP1). Table 4 shows recommended I/C levels for DVB-T/T2 interference. 

Note immunity to digital signals in other channels should use a DVB-T or non-extended DVB- 

T2 interferer for the 7MHz mode and an extended DVB-T2 mode interferer for 8MHz modes. 

Table 4 – Immunity to digital signals on other channels (I/C PFP1) 

Mode N±1 N±2 N±3 

N±m (m�1, m>3) 

except N+9 5 

5 – 32KN 256Q 3/5 1/32 PP4 8MHz 27 37 42 45 30 

6 – 32KN 256Q 3/5 1/8 PP2 7MHz 26 36 41 44 29 

7 – 32KE 256Q 2/3 1/128 PP7 8MHz 26 36 41 44 29 

8 – 32KE 256Q 2/3 1/16 PP4 8MHz 25 35 40 43 28 

9 – 32KE 256Q 3/4 1/32 PP6 8MHz 24 34 39 42 27 

3 Note that if PAL B N-1 is using NICAM sound, the digital channel on N cannot be used without an offset, 

because of the overlapping spectrums. The offset to be used in this test is recommended to be +167KHz on 

the wanted signal. 

4 Note that the figures for PAL D1 are provisional. Performance for PAL D/K is similar to D1. 

5 Note that N+9 is a popular choice for the image channel in tuner designs using 36MHz IF for 8MHz channel 

systems. For 7MHz systems, the image channel is N+10 (70MHz). 

N+9 5 

>>6 of 27

8- 4- Immunity to LTE signals in other channels 

Figure 1 shows the harmonized 800MHz spectrum organization for LTE deployment. There 

is only a small 1 MHz guard band between the top TV channel 60 and the lowest LTE base 

station in block A. Also the LTE handset (UE) block C falls on the N+9 image channel of TV 

tuner designs employing a 36MHz IF frequency. It is important to test immunity to these 

types of adjacent channel interference. Recent tests on existing DTT receivers have shown 

the most challenging form of interference for some receivers is when the LTE interferer is 

bursty – typical of a lightly loaded or idling LTE network. Signals captured from a real LTE 

base station (BS) and handset (UE) are used as interference sources to test that receivers 

provide a reasonable level of immunity against this type of bursty interference. The I/C 

specification set in Table 5 is designed to reject badly behaving receivers. These interference 

signals are in the following files available on the DIGITALEUROPE website: 

766- 

774 

MHz 

DTT 

CH58 

� Base Station: LTE_BS-idle_V2.wv (a lightly loaded 10MHz LTE BS signal consisting 

mainly of synchronisation and broadcast signals) 

� Handset : LTE_UE_1Mbs_V2.wv (a lightly loaded 10MHz LTE UE signal with 1Mbit/s 

data traffic) 

774- 

782 

MHz 

DTT 

CH59 

Figure 1– Harmonised 800MHz spectrum for LTE Deployment 

782- 

790 

MHz 

DTT 

CH60 

791- 

796 

MHz 

1 MHz 

Guard Band 

796- 

801 

MHz 

10 MHz BS 

Block A 

801- 

806 

MHz 

806- 

811 

MHz 

10 MHz BS 

Block B 

811- 

816 

MHz 

Downlink (BS) 

6 blocks of 5MHz or 

3 blocks of 10 MHz 

816- 

821 

MHz 

10 MHz BS 

Block C 

821-832 

MHz 

11 MHz 

Duplex Gap 

832- 

837 

MHz 

837- 

842 

MHz 

10 MHz UE 

Block A 

842- 

847 

MHz 

847- 

852 

MHz 

10 MHz UE 

Block B 

852- 

857 

MHz 

Uplink (UE) 

6 blocks of 5MHz or 

3 blocks of 10 MHz 

Table 5 – Immunity to LTE signals on other channels (I/C PFP1) 

Mode 

Note : Wanted signal centre at 

786 MHz 

BS-A 

(796 

MHz) 

BS-B 

(806 

MHz) 

UE-A 

(837 

MHz) 

UE-C 

(757 

MHz) 

857- 

862 

MHz 

10 MHz UE 

Block C 

Interferer power at tuner 

input(measured during 

active part of LTE signal) 6 

5 – 32KN 256Q 3/5 1/32 PP4 8MHz 30 dB 30 dB 30 dB 30 dB -15 dBm 

7 – 32KE 256Q 2/3 1/128 PP7 8MHz 30 dB 30 dB 30 dB 30 dB -15 dBm 



6 Note the power of the LTE BS and UE signal is defined as the RMS power during the active part of 

the signal. To assist setting the power level of the LTE BS_idle downlink signal, the RMS power 

measured by a power meter shall be set approximately 8.3 dB lower (e.g. -23.3dBm). Similarly for 

the LTE UE_1Mbs signal, the RMS power measured by a power meter shall be set approximately 

9.7 dB lower (e.g. -24.7 dBm). 

>>7 of 27

8- 5- Immunity to pattern L3 

This is a tuner linearity test with one digital DVB-T signal on the N+4 channel and another 

digital DVB-T signal on the N+2 channel in addition to the wanted DVB-T2 signal on channel 

N. This type of test is becoming increasingly important in today’s crowded spectrum. 

The DVB-T2 receiver should provide the PFP1 when the unwanted signals are at the highest 

allowed level (-25dBm at the tuner input) and the wanted signal is I/C dB lower, where I/C is 

given in Table 6. 

Table 6 – Immunity to Pattern L3 (I/C PFP1) 

Mode I/C [N+2 and N+4] 

5 – 32KN 256Q 3/5 1/32 PP4 8MHz 28 

6 – 32KN 256Q 3/5 1/8 PP2 7MHz 27 

7 – 32KE 256Q 2/3 1/128 PP7 8MHz 27 

8 – 32KE 256Q 2/3 1/16 PP4 8MHz 26 

9 – 32KE 256Q 3/4 1/32 PP6 8MHz 25 

9- IMMUNITY TO CO-CHANNEL INTERFERENCE 

9- 1- Immunity to co-channel interference from analogue TV signals 

The immunity for interference from co-channel analogue TV-signals is specified as the 

maximum ratio of the interference to wanted signal (I/C) for reception (PFP1). The wanted 

DVB-T2 signal should be set to -50 dBm at the tuner input. 

Table 7 – Immunity to co-channel interference 7 from analogue signals (I/C PFP1) 

Mode PAL-I1 PAL B PAL G/D1 SECAM-L 

4 – 16KN 256Q 3/5 1/32 PP4 8MHz -5 -5 -6 

5 – 32KN 256Q 3/5 1/32 PP4 8MHz -5 -5 -6 

6 – 32KN 256Q 3/5 1/8 PP2 7MHz -6 

7 – 32KE 256Q 2/3 1/128 PP7 8MHz -6 -6 -7 

8 – 32KE 256Q 2/3 1/16 PP4 8MHz -7 -7 -8 

9 – 32KE 256Q 3/4 1/32 PP6 8MHz -8 -8 -9 

9- 2- Immunity to co-channel DAB interference 

The immunity for co-channel interference from a single 1.7MHz wide DAB signal in the 

centre of the wanted channel is specified as the maximum ratio of the interference to wanted 

signal (I/C) for reception (PFP1). Only two modes are specified to reduce testing. The 

wanted DVB-T2 signal should be set to -50 dBm at the tuner input. 

7 Note that the CCI interference generator should have its frequency reference locked to the DVB - 

T/T2 signal generator in order to obtain repeatable measurement results. 

>>8 of 27

Table 8 – Immunity to co-channel interference from a single 1.7MHz DAB signal 

(I/C PFP1) 

10- MULTIPATH PERFORMANCE 

10- 1- SFN multipath performance 

10- 1- 1- Static 0dB echo 

Mode I/C dB 

6 – 32KN 256Q 3/5 1/8 PP2 7MHz -4 

8 – 32KE 256Q 2/3 1/16 PP4 8MHz -5 

The required C/N for picture failure point PFP1 should be obtained when the channel 

contains two paths with relative delays as shown in Table 9. All paths have zero phase at the 

channel centre. 

The DVB-T2 signal should be set to -50 dBm at the tuner input. 

Table 9 – C/N Requirements for 0dB Echo (PFP1) 

Mode Echo Delay 

1.95 µsec 95% Guard 

Interval 

C/N dB C/N dB 

1 - 8KE QPSK 1/2 1/16 PP48MHz 5.3 5.3 

2 - 16KE 16 QAM 2/3 19/128 PP38MHz 14.5 14.5 

3 - 16KE 64 QAM 2/3 19/256 PP28MHz 20.2 20.2 

4 - 16KN 256 QAM 3/5 1/32 PP48MHz 23.2 23.2 

5 – 32KN 256Q 3/5 1/32 PP48MHz 23.2 23.2 

6 – 32KN 256Q 3/5 1/8 PP2 7MHz 23.6 23.6 

7 – 32KE 256Q 2/3 1/128 PP7 8MHz 24.5 24.5 

8 – 32KE 256Q 2/3 1/16 PP4 8MHz 25.2 25.2 

9 – 32KE 256Q 3/4 1/32 PP6 8MHz 27.4 27.4 

10- 1- 2- Variable power echo 

The required C/N for picture failure point (PFP1) shown in Table 10 should be obtained when 

the channel contains two paths with relative delays shown in Table 11, where the relative 

power level of the two paths are dynamically changing including 0dB echo level crossing. 

The C/N value is defined at the 0dB level crossing. On a typical channel simulator, a 

frequency separation of 0.1Hz would be selected as 0.1Hz “pure doppler”. All paths have 

zero phase at the channel centre. 

The DVB-T2 signal should be set to -50 dBm at the tuner input. 

>>9 of 27

Table 10 – C/N Requirements for Varying Echo Power Levels (PFP2) 

Mode C/N dB 

5 – 32KN 256Q 3/5 1/32 PP4 8MHz 26.2 

6 – 32KN 256Q 3/5 1/8 PP2 7MHz 26.6 

7 – 32KE 256Q 2/3 1/128 PP7 8MHz 27.5 

8 – 32KE 256Q 2/3 1/16 PP4 8MHz 28.2 

9 – 32KE 256Q 3/4 1/32 PP6 8MHz 30.4 

Table 11 – Definition of Varying Echo Power Channel 

Path No Relative 

Power (dB) 

Delay Frequency 

Separation 

1 0 0 None 

2 0 95% GI None 

3 -1 95% GI Pure 0.1Hz 

10- 1- 3- Performance with echoes outside the guard interval 

This test checks performance in the presence of either a single pre-echo or a single postecho 

outside the guard interval, with the main path at zero delay. This is important in SFN 

networks where it is possible to receive low level echoes outside the guard interval in certain 

situations. 

For the modes shown in Table 12, the attenuation of the single echo at the specified delay 

points is measured to achieve PFP1. The receiver should achieve PFP1 with the echo level 

greater than or equal to that shown in Table 12. All echoes have zero phase at channel 

centre. No noise is added. The DVB-T2 signal should be set to -50 dBm at the tuner input. 

For 7MHz channels, multiply the delay times in the tables by 8/7. 

Table 12 – Long echo test profile (Echo Level for PFP1) 

Mode Delay and Echo Level 

5 – 32KN 256Q 3/5 1/32 PP4 8MHz Delay µs ±120 ±150 ±200 ±230 ±266 

Echo level dB -2 -5 -8.5 -10 -11 

6 – 32KN 256Q 3/5 1/8 PP2 7MHz Delay µs ±540 ±560 ±580 ±600 ±608 

Echo level dB -4 -6 -7.5 -8.5 -9 

7 – 32KE 256Q 2/3 1/128 PP7 8MHz Delay µs ±30 ±60 ±90 ±120 ±133 

Echo level dB -2 -5.5 -8 -10 -10.5 


Echo level dB -2 -3.5 -5.5 -6.5 -7 


Echo level dB -2 -3 -4.5 -5.5 -6 

>>10 of 27

10- 2- MFN multipath performance 

10- 2- 1- Performance with short echoes 

The receiver should provide PFP1 for the C/N values shown in Table 14 when the channel 

profile in Table 13 is applied. All paths have zero phase at the channel centre. The DVB-T2 

signal should be set to -50 dBm at the tuner input. 

Note that due to the short echo delays in Table 13, some test equipment does not report 

back the correct C/N. 

Table 13 – Short echo test profile 

Tap Delay (µs) Relative Attenuation (dB) 

1 0 2,8 

2 0,05 0 

3 0,4 3,8 

4 1,45 0,1 

5 2,3 2,6 

6 2,8 1,3 

Table 14 – C/N Requirements for Short Echo Profile (PFP1) 

Mode C/N dB 

5 – 32KN 256Q 3/5 1/32 PP4 8MHz 21.5 

6 – 32KN 256Q 3/5 1/8 PP2 7MHz 22.0 

7 – 32KE 256Q 2/3 1/128 PP7 8MHz 22.7 

8 – 32KE 256Q 2/3 1/16 PP4 8MHz 23.4 

9 – 32KE 256Q 3/4 1/32 PP6 8MHz 25.7 

11- PERFORMANCE IN TIME VARYING CHANNELS 

Receivers should handle expected time variations of paths to fixed roof-top reception. Such 

variation is caused by the swaying of masts, antennas and branches of trees etc. Normally 

the required C/N increases with frequency separation as shown in Figure 2. 

The increase in required C/N for PFP1 reception should be less than or equal to the Δvalue 

shown in Table 15 for a 20μs 0dB echo with 0º phase at the channel centre using the 

frequency separation shown, when compared to a 20μs 0dB echo with frequency separation 

equal to 1 Hz (Doppler shift of +/- 0.5Hz after AFC). The DVB-T2 signal should be set to -50 

dBm at the tuner input. 

Note: On a typical channel simulator, a frequency separation of 10Hz corresponds to a “Pure 

Doppler” setting of 10Hz (+/-5Hz after receiver AFC), which at 666MHz with a frequency ratio 

of 1.0, corresponds to a speed of 4.5m/sec or 16.2km/hr. 

>>11 of 27

Figure 2 - Tolerance to a single echo with Doppler 

Table 15 – C/N Variation Requirements for Time Varying Channel (PFP1) 

Mode Frequency 

Separation 

f1 Hz 

Δ C/N dB (with 

respect to C/N at 

1Hz frequency 

separation) 

5 – 32KN 256Q 3/5 1/32 PP4 8MHz 10 3 dB 

6 – 32KN 256Q 3/5 1/8 PP2 7MHz 10 3 dB 

7 – 32KE 256Q 2/3 1/128 PP7 8MHz 10 3 dB 

8 – 32KE 256Q 2/3 1/16 PP4 8MHz 10 3 dB 

9 – 32KE 256Q 3/4 1/32 PP6 8MHz 10 5 dB 

12- TOLERANCE TO IMPULSE INTERFERENCE 

12- 1- General 

C/Nmin + � dB 

C/Nmin 

C/Nmin (dB) 

Impulse interference is different from other forms of interference, in that it is generated in 

short bursts. Sources include car ignition systems and domestic appliances such as switches 

and electric motors. In portable and mobile environment, the impulse interference will reach 

the receiver directly through the antenna. The damage is potentially serious because a single 

impulse burst can destroy several symbols of data. Research work on the impulse 

interference has been mainly carried out in the UK digital television group (DTG) (ref 2). 

Some of the specifications presented here are derived from that work. 

12- 2- Test patterns 

C/N (dB) 

1 f1 

Frequency 

Separation (Hz) 

Various test signals comprising gated bursts of Gaussian noise are defined based on the 

model shown in Figure 3. These have been chosen to match different categories of 

measured impulse noise in the domestic environment such as dishwashers, lights, and 

central heating thermostats. The DVB-T2 time interleaver improves impulse noise immunity 

significantly over DVB-T by breaking up the noise impulses over time. This requires longer 

noise burst durations, burst repetition periods and picture observation times (PFP2) to be 

used compared with DVB-T as shown in Table 16. 

>>12 of 27

Test 

No 

Pulses per 

burst 

Figure 3 – Definition of the impulse interference test pattern 

Burst 1 Burst 2 

Burst Du ration 

Burst repetition period 

1000ms DVB-T2 

Table 16 – DVB-T2 Impulse interference test patterns 

Minimum/maximum 

pulse spacing 

μs 

Burst 

duration 

μs 

Minimum/maximum 

burst duration 

μs 

Burst 

repetition 

period 

ms 

7 4 15 35 1 45.25 105.25 1000 

8 40 0.5 1 10 19.75 39.25 1000 

9 80 0.5 3 20 39.75 237.25 1000 

10 400 1 30 100 399.25 11,970.25 1000 

11 4,000 0.5 3 1,000 1,999.75 11,997.25 1000 

12 40,000 0.5 1 10,000 19,999.75 39,999.25 1000 

Table 17 - Minimum I/C values for DVB-T2 impulsive noise tests 

Mode Expected I/C (dB) for picture failure (PFP2) 

Test Pattern Number 

7 8 9 10 11 12 

5 – 32KN 256Q 3/5 1/32 PP4 8MHz 28.7 18.7 15.7 5.7 -4.8 -16.8 

6 – 32KN 256Q 3/5 1/8 PP2 7MHz 29.1 19.1 16.1 6.1 -4.4 -16.4 

7 – 32KE 256Q 2/3 1/128 PP7 8MHz 27.7 17.7 14.7 4.7 -5.8 -17.8 

8 – 32KE 256Q 2/3 1/16 PP4 8MHz 27.2 17.2 14.2 4.2 -6.3 -18.3 

9 – 32KE 256Q 3/4 1/32 PP6 8MHz 25.7 15.7 12.7 2.7 -7.8 -19.8 

12- 3- Test requirement and procedure 

Pulse Duration 250ns (fixed) 

The number of pulses per burst is defined, but the spacing between pulses is 

allowed to vary randomly between specified maximum and minimum values. 

The minimum I/C for picture failure point PFP2 should be obtained when the channel 

contains gated Gaussian noise as defined in Table 16, for the modes shown in Table 17. 

>>13 of 27

The wanted signal power should be set to -60dBm at the tuner input, and the impulse noise 

increased until the picture failure point condition PFP2 is reached. The wanted signal power 

and the un-gated noise power are then measured (in the bandwidth of the wanted signal) to 

calculate the I/C. 

13- OPERATION WITH FEFS 

DVB-T2 receivers should be able to operate in a system using FEFs continuously as defined 

in Table 18 which takes some of its parameters from the DTG D-book (ref.2). All single PLP 

modes with FEFs use HEM input stage mode, and ISSY. There is no Null Packet Deletion or 

in band signaling. L1 repetition and auxiliary streams are not used. Demodulating the actual 

FEF content is not required. 

Table 18 – Parameters for standard FEF tests 

Identifier DTG201 DTG202 DTG203 DTG204 DTG205 DTG206 DTG207 

Stream Name FEF_1 FEF_2 FEF_3 FEF_4 FEF_5 FEF_6 FEF_7 

Overall 

FEF 

40ms 

FEF 

20ms 

FEF 

10ms 

FEF 5ms FEF 

60ms 

FEF has 

power 

equal to 

T2 frame 

FFTSIZE 4K 32K 32K 32K 32K 32K 32K 

FEF 

100ms 

FEF has 

power 

equal to 

T2 frame 

GI 1/4 1/128 1/128 1/128 1/128 1/128 1/128 

Data Symbols 15 59 59 29 15 59 19 

SISO/MISO SISO SISO SISO SISO SISO SISO SISO 

PAPR None None None None None None None 

Frames per superframe 4 4 2 2 2 4 4 

Bandwidth 8MHz 8MHz 8MHz 8MHz 8MHz 8MHz 8MHz 

Extended Bandwidth Mode No Yes Yes Yes Yes Yes Yes 

Pilot Pattern PP1 PP7 PP7 PP7 PP7 PP7 PP7 

L1 Modulation QPSK BPSK BPSK BPSK BPSK BPSK BPSK 

FEF Type 0 0 0 0 0 0 0 

FEF Length (samples) 78848 365713 182856 91428 45714 550000 914286 

FEF Interval 2 4 2 2 2 1 1 

FEF P1: S1 Value 2 2 2 2 2 2 2 

FEF P1: S2 Value 1 1 1 1 1 1 1 

L1 Repetition 0 0 0 0 0 0 0 

PLP #0 

Type 1 1 1 1 1 1 1 

Modulation 16QAM 256QAM 256QAM 256QAM 256QAM 256QAM 256QAM 

Rate 1/2 2/3 2/3 2/3 2/3 2/3 2/3 

>>14 of 27

FEC Type 64800 64800 64800 64800 64800 64800 64800 

Rotated QAM Yes Yes Yes Yes Yes Yes Yes 

FEC blocks per interleaving 

frame 

3 201 201 99 53 201 66 

TI blocks per frame (N_TI) 1 3 3 3 1 3 1 

T2 frames per Interleaving 

Frame (P_I) 

1 1 1 1 1 1 1 

Frame Interval (I_JUMP) 1 1 1 1 1 1 1 

Type of time-interleaving 0 0 0 0 0 0 0 

Time Interleaving Length 1 3 3 3 1 3 1 

Design Delay 114053 667232 667232 335371 540324 667471 673827 

Additionally FEFs may be enabled and disabled over time and the FEF content may be 

changed dynamically. One application of this is to allow interference into the wanted channel 

to be measured on a live system. A test for this scenario is described below. 

The receiver should be able to continue normal reception throughout these changes of DVB- 

T2 signal configuration without requiring a channel rescan, however it is acceptable for the 

receiver to re-acquire the channel during the transition phases when FEFs are being enabled 

or disabled, causing a brief interruption in reception. 

To test receiver conformance, the receiver should be able to acquire and display error free 

video without requiring a channel re-scan each time the input is switched from a DVB-T2 

signal configured as mode 8, to a DVB-T2 signal configured as shown in Table 19, followed 

by switching back to the original mode 8 input. 

It is acceptable to have signal breaks during switching if necessary for re-configuring the 

DVB-T2 modulator and demodulator, but there should be no picture failures after each 

transition phase once the receiver has re-acquired. 

Table 19 – Parameters for FEF off/on/off test 

Parameter Value 

DVB-T2 mode used for testing Mode 8 with NT2 (number of frames per superframe) 

changed from 2 to 6 as shown below 

DVB-T2 signal level at tuner input -50dBm 

ISSY enabled Yes 

FEF enabled Yes 

Frames per superframe (NT2) 6 

FEF P1 S1 value 2 

FEF P1 S2 value 1 

T2 P1 S2 value 1 

FEF length 520000 samples or 56.875 ms 

FEF interval 6 T2 Frames 

FEF content Empty (zero power) 

Design Delay 719248 samples 

>>15 of 27

14- MISO OPERATION 

MISO transmissions of group 1 and group 2 can either be transmitted from a single 

transmitter location (co-located MISO), or from two or more transmitter locations (distributed 

MISO). In the latter case there is a possibility that only one MISO group can be received due 

to obstructions in the channel. Tests for basic MISO functionality under these different 

conditions are shown in Table 21. 

Table 20 – DVB-T2 MISO Test Setup 

Test Parameters Value 

DVB-T2 mode Mode 5 with 195 FEC blocks per interleaving frame 

DVB-T2 signal level at tuner input -50dBm 

Background AWGN applied -30dBc 

Table 21 – DVB-T2 MISO Test Definitions 

Test Number Test Details Expected Result 

1 Gaussian channel - MISO group 1 only PFP1 

2 Gaussian channel - MISO group 2 only PFP1 

3 MISO group 1 (with 10 µsec delay) + MISO group 2 (no delay) PFP1 

4 MISO group 1 (with 85 µsec delay) + MISO group 2 (no delay) PFP1 

5 MISO group 1 (with 10 µsec delay + MISO group 1 (no delay) PFP1 

6 MISO group 1 (with 85 µsec delay + MISO group 1 (no delay) PFP1 

15- MPLP / RECEIVER BUFFER MODEL OPERATION 

Functional tests to verify correct operation of the DVB-T2 receiver buffer model with multiple 

PLPs are shown in Table 22. The receiver should be able to detect the services during a 

channel scan, select the PLP number shown in Table 22 and display the video correctly. All 

the streams use 8MHz RF bandwidth. A description of how to generate the multiple PLP test 

signals is given in the Annex. Any transport stream with a bit rate of 3.3Mbit/s or lower can 

be used. 

Table 22 – DVB-T2 MPLP / RBM Operation 

Test Selected PLP for reception Test Signal Name 

VV702 0 VV702_plp0 

1 VV702_plp1 

VV705 0 VV705_plp0 

VV708 0 VV708_plp0 

2 VV708_plp2 

VV710 0 VV710_plp0 

3 VV710_plp3 

>>16 of 27

REFERENCES AND ACKNOWLEDGEMENTS 

1. DVB-T2 A133 Blue Book – Implementation guidelines for a second generation digital 

terrestrial television broadcasting system (DVB-T2) 

2. DTG D-Book 7 Part A, Digital Television Group, UK 

3. E-Book RF specification draft v2.16, DIGITALEUROPE 

>>17 of 27

ANNEX - GUIDELINES ON THE GENERATION OF REAL VIDEO MULTIPLE PLP 

TEST SIGNALS 

Summary 

The test signals are a subset of tests developed in the DVB-T2 V&V group to check corner 

cases of receiver buffer model operation and proper recognition of multiple PLP services in 

the received DVB-T2 RF signal by monitoring the displayed picture and sound of the TV 

product. It is expected that test equipment manufacturers will provide suitable test signals 

following the guidelines in this annex to enable receiver testing. A low bit rate transport 

stream >18 of 27

TS0 

TS1 

PLP0 

PLP1 

Common 

PLP 

Figure 5– Recombination of selected data PLP (PLP0 in this example) and the common 

PLP in the receiver to re-create TS0 

Normal 

slot for PLP 1 

TS0 

Null 

Packet 

TS0 

Null 

Packet 

Null 

Packet 

TS0 

Null 

Packet 

TS0 

Null 

Packet 

Null 

Packet 

TS0 

TS0 

TS1 

PLP0 

PLP1 

PLPC 

TS0 Comm 

Cat 1 

Null 

Packet 

TS0 

Null 

Packet 

Null 

Packet 

Comm 

Cat 1 

Null 

Packet TS0 

Null 

Packet 

Comm 

Cat 1 

TS0 

Null 

Packet 

Null 

Packet 

Null 

Packet 

Normal packet 

for TS0/PLP0 

TS0 TS0 TS0 TS0 TS0 Null Null TS0 Null TS0 TS0 TS0 TS0 TS0 

Null Null Null TS0 Null TS1 TS1 TS0 TS1 Null Null TS0 Null Null TS1 TS0 

TS1 TS1 Null TS0 Null TS1 

Common 

slot 

TS0 TS0 TS0 

Test signal composition 

First chapter: 2 repetitions of repeating unit with NumPackets[0]=4, NumPackets[1]=3 

4 

Null 

Packet 

TS1 

Null 

Packet 

TS1 

Null 

Packet 

Null 

Packet 

Null 

Packet 

Comm 

Null 

Cat 2 

Packet 

PLP 1 

TS1 

Comm 

Cat 2 

PLP 1 

TS1 

Comm 

Null 

Cat 2 

Packet 

PLP 1 

Null 

TS1 TS1 

Packet 

Comm 

Null 

Cat 2 

Packet 

PLP 1 

TS1 

Null Null Null Null TS0 TS0 

Figure 6 shows how the packets for TS0 are allocated to the selected PLP (PLP0) in units (in 

red boxes) of different numbers of packets (run lengths), and to common PLP slots that 

occur at regular spacing (M=4 in this example). In addition TS1 (PRBS) is assigned to PLP1. 

A chapter is formed by repeating units a specific number of times. A new chapter containing 

new run lengths for TS0 and TS1 and a new number of unit repetitions is shown starting to 

the right of the red line. 

Figure 6 - Test signal composition 

M packets (M=4) 

Null 

Packet 

TS0 

Null 

Packet 

TS0 

Null 

Packet 

Null 

Packet 

Normal packet 

for TS1/PLP1 

TS0 

Null 

Packet 

TS0 

Null 

Packet 

Null 

Packet 

Comm 

Cat 2 

PLP 2 

Comm 

Cat 2 

PLP 2 

Time 

Null 

Packet 

Comm 

Cat 2 

PLP 1 

Comm 

Cat 2 

PLP 2 

Comm 

Cat x 

PLP i 

Comm 

Comm 

Comm 

Null 

Null Null 

Null 

TS0 TS0 Cat 3 

TS0 Cat 3 TS0 

TS0 Cat 3 TS0 

Packet Packet Packet 

Packet 

PLP 1 

PLP 2 

PLP 2 

Null 

Packet 

Null Null Null Null 

Null 

Null 

Null 

TS0 TS0 

TS0 TS0 

TS0 

TS0 

Packet Packet Packet Packet Packet Packet Packet 

Null 

Packet 

Null 

Packet 

Null 

Packet 

Null 

Packet 

Null 

Packet 

TS0 TS0 

Null Null Null Null Null TS1 TS1 Null TS1 Null Null Null Null Null 

Null Null 

Null 

TS0 

Null 

Null TS0 Null Null Null TS0 Null Null Null TS0 Null Null Null TS0 Null Null Null TS0 Null Null 

TS1 

Comm 

Cat 3 

PLP 1 

TS1 

3 3 

Null 

TS1 TS1 

Packet 

Null 

Packet 

Comm 

Cat 3 

PLP 1 

Common packet, 

category x 

describing PLP i 

Null TS0 Null Null TS0 TS0 TS0 Null 

Null Null Null Null TS0 Null TS0 Null 

TS1 Null TS1 TS1 Null Null Null TS1 

Null 

Packet 

TS1 

TS1 

Null 

Packet 

Null 

Packet 

Null 

Packet 

New repeating unit with 

NumPackets[0]=2, 

NumPackets[1]=1 

4 2 2 

Comm 

Cat 3 

PLP 2 

Null 

Packet 

Comm 

Null 

Cat 3 

Packet 

PLP 2 

Null 

Packet 

Null 

Packet 

Null 

Packet 

TS1 

TS1 

Null 

Packet 

Null 

Packet 

1 

Null 

Packet 

Null 

Packet 

Comm 

Cat 3 

PLP 2 

Null 

Packet 

Comm 

Cat 3 

PLP 2 

>>19 of 27 

Null 

Packet 

Null 

Packet 

Null 

Packet

Input stream 

definition 

Input stream 

generation model 

Table 23 - Test signal generation parameters 

Number 702 705 708 710 

Mnemonic TDICC3 SPLPTDICC2 DJBCC2 TDICC1 

VV Reference VV702-TDICC3 VV705-SPLPTDICC2 VV708-DJBCC2 VV710-TDICC1 

Time Deinterleaver 

Buffer Corner Case 

3 below limit (OK) 

Dynamic multiple 

PLP 

Single PLP corner 

case (OK - below 

limit) FEF 

SPLP (Fixed bitrate) 

De-jitter Buffer 

corner case (OK - 

below limit) 


PLP 

Time Deinterleaver 

Buffer Corner Case 

(OK) Based on 

VV400 + FEF, with 

critical i/p 


PLP 

Input TS rate Mbit/s 36.234886 38.030308 5955840/178801 

Input one big TS file 

M Common slot 

interval 

L Number of 

chapters 

N_EIT Number of 

successive EIT 

packets 

NumReps Repeats of 

repeating unit 

RunLength(TS0) Run length for 

each TS.. 

RunLength(TS1) in each repeating 

unit.. 

22 11 11 

4 8 10 

50 100 100 

15, 1, 15, 1 15,1,15,1,15,1,15,1 15,1,15,1,15,1,15,1 

,15,1 

92, 20, 44, 27 102,95,102,95,102, 

95,102,95 

44, 27, 92, 20 15,29,15,29,15,29, 

15,29 

RunLength(TS2) ..in a chapter 8, 2, 8, 2 14,15,14,15,14,15, 

14,15 

RunLength(TS3) 8, 2, 8, 2 14,16,14,16,14,16, 

14,16 

Overall 

102,95,102,95,0,0, 

66,3,102,95 

13,11,13,11,19,13, 

8,17,13,11 

13,15,13,15,19,13, 

8,15,13,15 

13,14,13,14,18,11, 

7,3,13,14 

Length V&V minimum of 

one T2 frame 

4 frames 7 frames 3 frames 5 frames 

PLP Multiple Single Multiple Multiple 

FFTSIZE 32K 32K 32K 32K 

GI 1/128 1/16 1/128 1/128 

Data Symbols Including frame 

closing symbol (if 

present) 

27 61 27 27 

SISO/MISO SISO SISO SISO SISO 

PAPR P2-TR & L1-ACE TR & L1-ACE P2-TR & L1-ACE P2-TR & L1-ACE 

>>20 of 27

only only only 

Frames per 

superframe 

2 6 2 4 

Bandwidth 8MHz 8MHz 8MHz 8MHz 

Elementary period T 0.109375 0.109375 0.109375 0.109375 

Extended Carrier 

Mode 

Yes Yes Yes Yes 

Pilot Pattern PP7 PP4 PP7 PP7 

L1 Modulation 16QAM 64QAM 16QAM 16QAM 

Sub Slices per Frame Not required in 

Single PLP 

108 1 108 108 

FEF None Yes None Yes 

FEF Type 0000 0000 

FEF Length in samples 595420 380000 

FEF Interval 6 4 

FEF P1: S1 Value 010 010 

FEF P1: S2 Value 0001 0001 

FEF contents PRBS PRBS 

L1 Repetition Repetition of the 

dynamic signalling 

0 0 0 0 

Number of PLPs 5 1 5 5 

Number of RFs 1 1 1 1 

Number of AUXs 0 0 0 0 

AUX_CONFIG_RFU 

AUX_STREAM_TYPE 

AUX_PRIVATE_CONF 

AUX_PRIVATE_DYN 

Spec version 1.2.1 1.2.1 1.2.1 1.2.1 

Vclip infinity 3.55 infinity infinity 

L1 Extension Present? No No No No 

L1 Extension Block 

Type 

L1 Extension Data 

Length 

L1 Bias balancing cells 

present? 

Number of Active L1 

Bias balancing cells 

(per P2) 

No No No No 

L1_ACE_MAX 0 0.1 0 0 

Pseudo Fixed Frame 

Structure 

Use Max Cells Per 

T2 Frame for 

scheduling 

Yes No No Yes 

>>21 of 27

PLP 1 

PLP_ID 0 0 0 0 

PLP_GROUP_ID 0 1 0 0 

Type 1 1 2 2 

Modulation 256QAM 256QAM 256QAM 256QAM 

Rate 2/3 3/5 2/3 2/3 

FEC Type 64800 64800 64800 64800 

Rotated QAM Yes Yes Yes Yes 



Max FEC blocks per 


Comma-separated 

list gives the 

number of blocks 

in each 

Interleaving Frame 

dynamic 200 dynamic dynamic 

Value for 

configurable 

signalling. May 

exceed the max 

value used 

57 200 57 57 

derived parameter 1 3 1 1 

TI blocks per frame 

(N_TI) 



(P_I) 

derived parameter 1 1 1 1 


(I_JUMP) 

1 1 1 1 

First frame index 0 0 0 0 

Input stage 

Mode HEM HEM HEM HEM 

ISSY Yes Yes Yes Yes 

BUFS 1613824 2097152 1671168 1662976 

Design delay (samples) 939080 719388 935798 939195 

Null packet deletion Not required in 

Single PLP (I.G. 

7.7.3.1) 

Yes No Yes Yes 

In Band Signalling Type A No Type A Type A 

Number of other PLPs 

in-band signalling 

Number of NULL 

packets inserted each 

time (p) 

Frequency of NULL 

packets insertion in 

packets (q) 

PLP 2 

0 0 0 

PLP_ID 1 1 1 

PLP_GROUP_ID 0 0 0 

Type 1 2 2 

>>22 of 27

Modulation 256QAM 256QAM 256QAM 

Rate 2/3 2/3 2/3 

FEC Type 64800 64800 64800 

Rotated QAM Yes Yes Yes 



dynamic dynamic dynamic 



57 57 57 


(N_TI) 

1 1 1 



(P_I) 

1 1 1 


(I_JUMP) 

1 1 1 

First frame index 0 0 0 

Input stage 

Mode HEM HEM HEM 

ISSY Yes Yes Yes 

BUFS 1613824 1671168 1662976 

Design delay (samples) 939080 935798 939195 

Null packet deletion Yes Yes Yes 

In Band Signalling Type A Type A Type A 





time (p) 



packets (q) 

PLP 3 

0 0 0 

PLP_ID 2 2 2 


Type 1 2 2 


Rate 2/3 2/3 2/3 

FEC Type 64800 64800 64800 







(N_TI) 


22 57 57 

1 1 1 

>>23 of 27



(P_I) 

1 1 1 


(I_JUMP) 

1 1 1 


Input stage 



BUFS 1613824 1671168 1662976 








time (p) 



packets (q) 

PLP 4 

0 0 0 

PLP_ID 3 3 3 


Type 1 2 2 


Rate 2/3 2/3 2/3 

FEC Type 64800 64800 64800 







22 57 57 


(N_TI) 

1 1 1 



(P_I) 

1 1 1 


(I_JUMP) 

1 1 1 


Input stage 



BUFS 1613824 1671168 1662976 

>>24 of 27








time (p) 



packets (q) 

PLP 5 

0 0 0 

PLP_ID 4 4 4 


Type 0 0 0 


Rate 2/3 2/3 2/3 

FEC Type 16200 16200 16200 




17 35 33 



17 35 33 


(N_TI) 

1 1 1 



(P_I) 

1 1 1 


(I_JUMP) 

1 1 1 


Input stage 



BUFS 483328 425984 434176 








time (p) 

0 0 0 

>>25 of 27



packets (q) 

Max Cells Per T2 

Frame 

Common PLPs 45900 89100 

Type 1 PLPs 688500 0 

Type 2 PLPs 0 656100 

Dynamic Block 

Numbers 

PLP_GROUP_0 

Total FEC blocks 

common PLP 

17 35 33 

Total FEC blocks type 1 85 0 0 

Total FEC blocks type 2 0 82 81 


PLP type 1 


PLP type 2 

PLP_GROUP_1 

Total FEC blocks 

common PLP 

Total FEC blocks type 1 

Total FEC blocks type 2 


PLP type 1 


PLP type 2 

57 0 0 

0 57 57 

>>26 of 27

ABOUT DIGITALEUROPE 

DIGITALEUROPE represents the digital technology industry in Europe. Our 100+ members 

include some of the world's largest IT, telecoms and consumer electronics companies and 

national associations from every part of Europe. DIGITALEUROPE wants European 

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DIGITALEUROPE ensures industry participation in the development and implementation of 

EU policies. DIGITALEUROPE’s members include 58 global corporations and 34 national 

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SEPE; Hungary: IVSZ; Ireland: ICT IRELAND; Italy: ANITEC; Lithuania: INFOBALT; 

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>>27 of 27

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