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Cluster frame synchronization scheme for a satellite digital audio radio system

  • US 6,798,791 B1
  • Filed: 12/16/1999
  • Issued: 09/28/2004
  • Est. Priority Date: 12/16/1999
  • Status: Expired due to Term
First Claim
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1. A method for use in a transmitter, the method comprising the steps of processing N program channels into M clusters of program channels, such that at least k programs channels are grouped in each cluster, where k>

  • 1;

    M>

    1, and (M)(k)<

    N; and

    transmitting a transmission signal representing the M clusters and including cluster synchronization information for each of the M clusters such that the cluster synchronization information for each cluster is identical, wherein the identical cluster synchronization information is represented by a maximal length PN (pseudo-random number) sequence.

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