Broadcast transmitter and method of processing broadcast service data for transmission
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United States of America Patent
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May 23, 2017
Grant Date -
Dec 1, 2016
app pub date -
Aug 8, 2016
filing date -
Jul 4, 2007
priority date (Note) -
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Abstract
A method is provided for processing broadcast data in a broadcast transmitter. Broadcast service data is randomized. The randomized broadcast service data is first-encoded to add parity data to the randomized broadcast service data. The first-encoded broadcast service data is second-encoded. The second-encoded broadcast service data is first interleaved. The first-interleaved broadcast service data is second-interleaved. Signaling data is encoded for signaling the broadcast service data. The encoded signaling data is third-interleaved. The third-interleaved signaling data is fourth interleaved. A frame is transmitted that is divided into a data region including the second-interleaved broadcast service data, a first signaling region including the fourth-interleaved signaling data and a second signaling region that includes at least one symbol that is used for synchronization and channel estimation. The frame includes known data. The encoded signaling data includes information for identifying the code rate and information related to the known data.
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