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Carrier Synchronization Method, Circuit, and System

  • US 20140177489A1
  • Filed: 02/25/2014
  • Published: 06/26/2014
  • Est. Priority Date: 05/09/2012
  • Status: Active Grant
First Claim
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1. A carrier synchronization method, comprising:

  • performing frequency multiplication on a received signal, the frequency multiplication being performed n times, wherein n is a positive integer greater than or equal to 4;

    performing narrowband filtering at least twice and rectangular wave shaping at least twice on the signal obtained after the frequency multiplication has been performed n times; and

    performing frequency division on the signal obtained after the filtering and shaping, the frequency division being performed n times to restore a carrier signal.

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