DVB-H - Digital Video Broadcasting for Handhelds - Digital Video and Audio Broadcasting Technology - page 427

Part 10 AVC Advanced Video Coding or Windows Media 9) are requested
which are then transmitted either via the mobile radio network (UMTS) or
are remapped onto the DVB-H network. In DVB-H, a DVB-T network is
virtually used physically, with some modifications of the DVB-T Standard.
As part of DVB-H, additional operating modes were introduced:

• The 4K mode as a good compromise between the 2K and 8K
mode with 3409 carriers now used.
• In-depth interleaving is possible in the 4K and 2K modes
• 2 new TPS bits for additional signalling and additional signalling
via TPS bits already used,
• Time slicing to save power
• IP packets with FEC protection
• Introduction of a 5 MHz channel (US L band)

table_id = 0x78 = MPEFEC

table_id = 0x78 8 Bit

section_syntax_indicator 1

private_indicator=1 1

reserved =11 2

section_length 12

MPE_FEC_section_body()
CRC 32 Bit

MPE_FEC_section_body()
{

padding_columns 8 Bit

reserved_for_future_use 8

reserved 2

reserved_for_future_use 5

current_next_indicator 1

section_number 8

last_section_number 8

real_time parameters() 42 Bit

RS_data()

}

Fig. 22.9. Structure of a DVB-H MPE FEC section with time slot parameters