• DocumentCode
    2161968
  • Title

    A novel initialization scheme for blind equalization algorithms

  • Author

    Xanthopoulos, S. ; Constantinides, A.G.

  • Author_Institution
    Digital Signal Process. Sect., Imperial Coll., London, UK
  • Volume
    2
  • fYear
    2002
  • fDate
    2002
  • Firstpage
    773
  • Abstract
    A new algorithm for equalizer initialization for blind equalization algorithms is presented. The proposed algorithm initially employs a heuristic approach in order to obtain an estimation of the channel´s characteristics. Then, through a least squares inversion, an approximation of the channel´s estimate inverse is produced and is used to initialize the equalizer´s tap weights. The proposed algorithm exhibits superior performance compared with the center-tap initialization scheme in terms of convergence speed, shorter required equalizer lengths and lower bit error rates.
  • Keywords
    blind equalisers; channel estimation; least squares approximations; bit error rates; blind equalization algorithms; channel estimation; convergence speed; equalizer initialization; equalizer lengths; heuristic approach; least squares inversion; performance; tap weights; Additive white noise; Blind equalizers; Cost function; Digital signal processing; Educational institutions; Equations; Finite impulse response filter; Gaussian noise; Least squares approximation; Signal processing algorithms;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Digital Signal Processing, 2002. DSP 2002. 2002 14th International Conference on
  • Print_ISBN
    0-7803-7503-3
  • Type

    conf

  • DOI
    10.1109/ICDSP.2002.1028205
  • Filename
    1028205