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
Link To Document :
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