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RECEIVING SYSTEM AND METHOD FOR PROCESSING DIGITAL BROADCAST SIGNAL IN THE RECEIVING SYSTEM

  • US 20120099660A1
  • Filed: 10/19/2011
  • Published: 04/26/2012
  • Est. Priority Date: 10/20/2010
  • Status: Active Grant
First Claim
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1. An apparatus for receiving a broadcast signal, the apparatus comprising:

  • a tuner configured to receive a DTV signal including a data group, the data group including mobile service data, segmented known data sequences, long known data sequences and transmission parameter data;

    a channel synchronizer configured to compensate carrier frequency offset of the DTV signal; and

    a channel equalizer configured to channel-equalize the carrier frequency offset compensated DTV signal using at least one of the long known data sequences and segmented known data sequences in the data group of the DTV signal,wherein the channel equalizer further configured to perform a Error Correction (FEC) decoding on data located between the segmented known data sequences and estimate Channel Impulse Response (CIR) using the FEC decoded data as known data.

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