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BROADBAND TELEVISION SEMINAR

• Broadband terminal

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Terminal and more
Terminal
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Digital TV decoder overview
audio decoder
demux
Tuner demod
graphics
video decoder
Data
CPU
RAM / Flash
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DSL decoder overview
audio decoder
demux
Tuner demod
graphics
video decoder
Data
CPU
RAM / Flash
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DSL decoder overview
audio decoder
demux
Tuner demod
graphics
video decoder
Data
CPU
RAM / Flash
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DSL decoder overview
audio decoder
demux
Tuner demod
graphics
video decoder
Data
CPU
RAM / Flash
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DSL decoder overview
audio decoder
demux
Tuner demod
graphics
video decoder
Data
xDSL
Data
CPU
RAM / Flash
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Broadband front-end

• USB, Ethernet, other
• Usually dedicated to data
• TV over IP not frozen
• Low volume
• Low multiplex bit-rate

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ADSL not just another access

• Satellite, cable, digital terrestrial
• TS mux, 6 to 8 channels
• close match with MPEG2
• designed for TV distribution
• Mature standards, products, systems

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ADSL is special narrowband
TV1
CATV
Splitter
TV2
Home 1
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ADSL is special Point-to-point
TV1
CATV
Splitter
Home 1
ADSL modem
DSL
Home 2
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ADSL is special bi-directional

•  Free  features
• Remote administration
• Pull mode download
•  Free  services
• End-to-end interactivity
• Peer-to-peer

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DSL leads to a new system

• Not equivalent to existing distribution
• Significantly different capabilities
• Migration path to new home
• Old service helps selling new hardware
• New service sells better on existing hardware

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Home network scenario
PSTN plug
Lap-top / notebook
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Built-in networking new function
PSTN plug
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Service Gateway (OSGi)
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Service gateway extension
PSTN plug
WAN data
Lap-top / notebook
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Key topics

• Signalling standard to match broadcasting system
  features
• Home networking system (player, server, gateway)
• Quality of service, ressource management
• Links with other access networks
• New codecs