DekTec DTC-300 StreamXpress User Manual

Page 33

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DTC-300-SP – StreamXpress

USER MANUAL

33

The DVB-H modulation uses different length for the guard interval to enable echo cancelation. The

StreamXpress offers 4 different guard interval length: 1/32, 1/16, 1/8 and 1/4. The fraction number

represents the ratio of empty symbol versus useful symbol duration.

#5 Code Rate:
The DVB-H modulation offers multi FEC code rate. The StreamXpress supports ½, 2/3, ¾, 5/6 7/8

code rate.

#6 More:
StreamXpress offers more settings for DVB-H modulation. Pressing on the “More” button will open a

new window with extended settings.

Variable

Type

Description

Details Diag

In Depth

Interleaver

Drop

down

Select whether to use native interleaver of in-depth interleaver

#7

7

Enable Cell

Identifier

Tick box Enable is S40 and S47 Cell Identifier

#8

8

Cell

Indentifier

Field

Enter the value of the Cell Identifier from 0 to 65535 when Cell

Identifier is enabled.

#9

9

Enable

S48,S49

Tick box Enable the modification of S48 and S49 inside the TPS

#10

10

S48- Time

Slicing

Drop

down

Enable Time slicing messaging (When S48,S49 enabled)

#11

11

S49- MPE-

FEC

Drop

down

Enable MPE-FEC messaging (When S48,S49 enabled)

#12

12


This sub-menu allows modifying the TPS (Transmission Parameters Signalling) of DVB-H signal

header. Each bit in the header is identified as Sxx (i.e. S1 is the first bit of the TPS)

7

10

8

10

9

12

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