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Channel estimation method and system using fast fourier transforms

  • US 20040196782A1
  • Filed: 07/11/2003
  • Published: 10/07/2004
  • Est. Priority Date: 04/04/2003
  • Status: Active Grant
First Claim
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1. In a wireless communication system, a method of performing channel estimation, the method comprising:

  • (a) receiving reference signals having different lengths;

    (b) processing the reference signals using a fast Fourier transform (FFT); and

    (c) extending the FFT to a desired length L for more efficient computation.

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