Grundig Digital Radio User Manual Page 39

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DIGITAL RADIO GUIDE TERRESTRIAL TRANSMISSION SYSTEMS - ISDB-TSB
39
Figure 4.6: Example of connected transmission (three TS’s)
Figure 4.7: CP carrier in an ordinary transmission
Figure 4.8: CP carrier in connected transmission
Parameter restrictions in connected transmission
The same mode should be applied for all segments. Mode means an identification
of transmission mode based on the carrier spacing of OFDM carriers.
The same guard interval length must be used for segments. Because all OFDM
symbols in connected transmission should be synchronised with each other,
modes having different symbol lengths cannot be mixed.
The first carrier of the upper adjacent
segment is substituted for CP.
CP
(a) 1-segment format
CP
(b) 3-segment format
TS1
TS2
TS3
OFDM
Frame
OFDM Frame
Adaptation
OFDM Frame
Adaptation
IFFT-
Input
adaptation
IFFT
Guard
interval
Insertion
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