DekTec DTC-300 StreamXpress - Manual (Page 42)

DTC-300-SP – StreamXpress
USER MANUAL
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#1 PLP type:
The DVB-T2 modulation supports different type of PLP. With this setting the user can select between
Type1, Type 2 and Common.
Type 1 PLP: PLP having one slice per T2 frame, transmitted before any Type 2 PLPs
Type 2 PLP: PLP having two or more sub-slices per T2 frame, transmitted after any Type 1 PLPs
Common PLP: PLP having one slice per T2 frame, transmitted just after the L1 signalling. The L1
field may contain data shared by multiple PLPs.
#2 Modulation:
The DVB-T2 modulation supports 4 sub modulation modes. QPSK, 16-QAM, 64-QAM, 256-QAM.
#3 Code Rate:
The DVB-T2 modulation offers multi FEC code rate. StreamXpress supports ½, 2/3, ¾, 3/5, 4/5,
5/6 code rate.
#4 FEC type:
The DVB-T2 allows for 2 types of FEC: LDPC 16K and LDPC 64K. LDPC stands for Low Density
Parity Check.
#5 Time IL Type:
This 1-bit field indicates the type of time-interleaving.
A value of '0' indicates that one Interleaving Frame corresponds to one T2-frame and contains one
or more TI-blocks. A value of '1' indicates that one Interleaving Frame is carried in more than one
T2-frame and contains only one TI-block
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