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Fast acquisition of timing and carrier frequency from received signal

  • US 7,151,807 B2
  • Filed: 10/24/2003
  • Issued: 12/19/2006
  • Est. Priority Date: 04/27/2001
  • Status: Expired due to Fees
First Claim
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1. A method of determining symbol timing in an input signal, comprising the steps of:

  • computing a temporally varying magnitude of the input signal;

    determining a frequency domain representation of the computed magnitude of the input signal;

    identifying a spectral component at a symbol frequency ƒ

    s away from a DC component of the frequency domain representation of the computed magnitude of the input signal, the spectral component having a magnitude and a phase; and

    determining the symbol timing phase of the input signal from the phase of the spectral component.

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