T2-frame parameters, Dtc-378 t2xpress – DekTec DTC-378 T2Xpress User Manual
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DTC-378 T2Xpress Manual
Essential Tools for Digital-TV Professionals
February 2015
DTC-378 T2Xpress
Version
DVB-T2 version selection: 1.1.1, 1.2.1 or 1.3.1
Profile
DVB-T2 profile selection: Base or Lite
T2 Base Lite
T2 Base Lite flag to indicate that the T2-base profile parameters must be
consistent with the T2-lite profile restrictions.
NW ID
Network ID. Uniquely identifies the DVB-T2 network
T2 ID
T2 System ID. Uniquely identifies a T2 system within the DVB-T2 network
Cell ID
Cell ID. Uniquely identifies a geographic cell in a DVB-T2 network
7.4. T2-Frame Parameters
This group of parameters allows you to specify the DVB-T2 frame structure.
DVB-T2 frame related parameters
Parameter
Description
#Frames per superframe
The number of T2-frames in a super frame
#Subslices
The number of sub-slices per T2-frame for each RF channel
#Data syms
The number of data OFDM symbols per T2-frame, excluding P1 and P2
RBM validation
If checked, Receiver Buffer Model (RBM) validation is performed. In case
errors are detected, they are reported in the “Messages” tab.
Note that RMB validation uses some extra CPU time, therefore it can’t be
executed real-time for all parameter settings.
If the DVB-T2 parameter set is valid, this area also displays the derived frame information.
Parameter
Description
Optimum #subslices
The largest allowable sub-slicing value
Frame size
The total number of cells per T2-frame
Duration
The duration of a T2-frame in number of elementary periods
Bitrate
The total Transport Stream bitrate of the PLPs
L1 pre+post
The number of L1 signalling cells in a T2-frame
#Data cells
The number of data cells in a T2-frame
#Dummy cells
The number of dummy cells in a T2-frame