DEVICE, METHOD AND SYSTEM FOR TRANSMITTING DIGITAL BROADCAST SIGNALS
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United States of America Patent
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app pub date -
Dec 22, 2010
filing date -
Jun 27, 2008
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Abandoned
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Abstract
A device for transmitting digital broadcast signals comprises: at least a first encoding unit, each of which executes forward error correction encoding for data in a sub-channel; at least a time domain interleaving unit, each of which receives the output data from a first encoding unit and interleaves the data in time domain; a first multiplexing unit, for multiplexing the interleaved data to form Main Service Channel (MSC) data a second encoding unit, for executing forward error correction encoding for a second group of data information to acquire Fast Information Channel (FIC) data a differential modulating unit, for performing differential modulation to FIC data, and performing differential modulation to MSC data adopting at least two modulation modes; and a frame generating and transmitting unit, for generating transmission frames using differential modulation symbol sequences generated by the differential and transmitting.
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