6-28
September 2016
TRANSMISSION MODES
Standard
DVB-T2 version 1.1.1
IFFT lengths
1K, 2K, 4K, 8K, 8K ext, 16K, 16K ext, 32K, 32K ext
Guard interval
1/4, 19/128, 1/8, 19/256, 1/16, 1/32, 1/128
Code Rate
1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 7/8 for short and normal LDPCs
Constellation
QPSK, 16QAM, 64QAM, 256QAM (Normal or Rotated)
L1 constellation
BPSK, QPSK, 16QAM and 64QAM
Rotated constellation
29
°
, 16.8
°
, 8.6
°
, Atan (1/16)
Pilot pattern
PP1 – PP8
PAPR
Tone Reservation
Network type
MFN or SFN
Bandwidth
5, 6, 7, 8 MHz
Diversity
SISO, MISO groups 1 and 2
Time interleaving
Bypass, options 1 and 3 (no multi-frame interleaving)
Number of PLP
1 (System A). From 1 to 8 (System B) with optional sub-slicing
Configuration parameters
From the L1 and Individual Addressing T2-MI packets or local
programming via register map
Local parameter insertion
Cell ID, Network ID, T2 system ID, RF frequency
Others
TS and BBFRAME input bit rate measurement Estimates of the
primary and secondary TS network delay margins Modulator latency
available for any T2 configuration
SFN DELAY INSERTION
Dynamic Delay
Automatically calculated from the 1pps signal and the T2-MI
timestamp
Local delay
Adjustable between -500,000.0 µs and +500,000.0 µs with 100-ns
resolution
