Adaptive equalizers compensate for signal distortion attributed to intersymbol interference (ISI), which is caused by multipath within time-dispersive channels. 􀂃 Typically employed in high-speed communication systems, which do not use differential modulation schemes or frequency division multiplexing 􀂃 The equalizer is the most expensive component of a data demodulator and can consume over 80 of the total computations needed to demodulate a given signal [01] Adaptive Equalization KEVIN BANOVIC Slide 3 RESEARCH CENTRE FOR INTEGRATED MICROSYSTEMS – UNIVERSITY OF WINDSOR EQUALIZATION TUTORIAL Channel Equalizer Adjustment FIR Equalizer Decision Device Error Computation s k ( ) y k ( ) e k ( ) r k ( ) s k ( ) Training Sequence Symbol Statistics Blind Mode Decision-Directed Mode Training Mode Adaptive Equalization

Equalization_Tutorial.pdf

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