Adaptive equalizer method and apparatus

Details Adaptive equalizer method and apparatus Adaptive equalizer method and apparatus

H - Electricity

03

H

H03H 17/02 (2006.01) H04L 25/03 (2006.01)

Patent

CA 2104338

An equalizer is arranged for equalizing a received signal comprising 2-binary 1-quaternary-coded multi-level signals S(-3), S(-1) S(+1), S(+3) corresponding to predetermined signal levels -3, -1 +1 +3, respectively. The equalizer includes a gain unit (107) with an adjustable gain a filter (111) with an adjustable pole and zero, and a processor (119). The processor adjusts the equalizer by sampling equalized S(+3) signals and adjusting the gain the pole and the zero so that the average value of the equalized S(+3) signals is substantially equal to +3 volts and the variance of the equalized S(+3) signals is minimized.

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