Use of signaling for auto-configuration of modulators and repeaters
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United States of America Patent
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Dec 1, 2009
Grant Date -
Oct 20, 2005
app pub date -
Apr 20, 2004
filing date -
Apr 20, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides methods and apparatuses for configuring a modulator in a digital broadcast system using service information that is also broadcast to wireless terminals. In an embodiment of the invention, the service information is provided by a generator that encapsulates the service information in a transport stream that is received by a cell transmitter. The service information is parsed by each cell transmitter to determine the current modulator parameters. If at least one of the modulation parameters has changed, the associated modulator is reconfigured with the updated modulation parameters. The invention also provides methods and apparatuses for supporting repeaters in the digital broadcast system in order to provide supplementary RF coverage in associated cells. A repeater may retransmit a received radio signal at the same frequency or at a different frequency.
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