Method and device for training an adaptive equalizer by...

Details Method and device for training an adaptive equalizer by... Method and device for training an adaptive equalizer by...

H - Electricity

04

B

354/143, 325/80

H04B 1/16 (2006.01) H04L 25/03 (2006.01)

Patent

CA 1151246

METHOD AND DEVICE FOR TRAINING AN ADAPTIVE EQUALIZER BY MEANS OF AN UNKNOWN DATA SIGNAL IN A TRANSMISSION SYSTEM USING DOUBLE SIDEBAND-QUADRATURE CARRIER MODULATION Abstract In the receiver of a system using double sideband- quadrature carrier (DSB-QC) modulation, the equalizer is trained by adjusting its tap gains so as to minimize the dispersion of order p, Image , where E is the mathematical expectation, zn is the equalized signal, and R is a positive real constant. To minimize the dispersion D(1), the tap gains are adjusted as a func- tion of the distance between the point Zn representative of Zn and a circle of radius R.

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