Notes on DVB-H
Notes on DVB-H
Notes on DVB-H
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Mobile recepti<strong>on</strong> of <strong>DVB</strong>-T<br />
• <strong>DVB</strong>-T includes hierarchical modes where two<br />
transport streams can be sent simultaneously<br />
– Low capacity, high capacity<br />
• <strong>DVB</strong>-T can also be used for broadcast to mobile<br />
devices, but a suitable mode have to be selected<br />
– 8k 64 QAM: < 50 km/h<br />
– 2k QPSK: > 400 km/h tolerable problem with<br />
echos/coverage!!!<br />
• A separate network for <strong>DVB</strong>-H is desired<br />
– Optimizati<strong>on</strong> of speed, coverage and capacity
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