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Digital broadcast receiver and method of processing data in digital broadcast receiver

  • US 7,831,885 B2
  • Filed: 07/07/2008
  • Issued: 11/09/2010
  • Est. Priority Date: 07/04/2007
  • Status: Expired due to Fees
First Claim
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1. A receiving system, comprising:

  • a signal receiving unit receiving a broadcast signal, the broadcast signal comprising a data group, the data group comprising mobile service data and a plurality of known data sequences, wherein at least two of the plurality of known data sequences differ from each other in length and are spaced 16 segments apart, wherein one of the plurality of known data sequences includes a first M-symbol sequence and a second M-symbol sequence that have a first pattern, the rest of the plurality of known data sequences includes a N-symbol sequence that has a second pattern that is different from the first pattern, and wherein N is greater than M;

    a known data detector detecting the plurality of known data sequences from the data group; and

    an equalizer compensating for channel distortion generated in the data group using the plurality of detected known data sequences.

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