Method and apparatus for providing signal acquisition and frame synchronization in a hierarchical modulation scheme

Method and apparatus for providing signal acquisition and frame synchronization in a hierarchical modulation scheme

  • CN 1,612,557 A
  • Filed: 06/14/2004
  • Published: 05/04/2005
  • Est. Priority Date: 10/27/2003
  • Status: Active Application
First Claim
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1. method that is used for producing layered modulation signal in communication system (100), described method comprises step:

  • Receive a upper layer data stream and lower floor'"'"'s data flow;

    Revise described lower floor data flow by insert a data pattern in the front of described lower floor data flow by the bit rate decision;

    Described upper layer data stream and described modified lower floor set of streams are lumped together;

    AndSelect in a plurality of hierarchical signal constellation points one based on the data flow of described combination.

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