By Topic

Allpass forward equalizer for decision feedback equalization

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$33 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

2 Author(s)
P. A. McEwen ; Center for Magnetic Recording Res., California Univ., San Diego, La Jolla, CA, USA ; J. G. Kenney

An allpass forward equalizer (APFE) for use with decision feedback equalization (DFE) is described, The APFE has poles, unlike the normally implemented FIR (finite impulse response) forward equalizer; equalizers with poles can provide superior performance or reduced hardware complexity when compared to all-zero equalizers, but can have local optima and are more difficult to design. A theoretical basis for the allpass is presented and a systematic design procedure is described. It is shown that there are no local optima in a sufficient region about the global optimum such that adaptation is feasible. A performance vs. complexity advantage is shown for the APFE relative to the FIR forward equalizer, and implementation as a continuous-time filter is proposed

Published in:

IEEE Transactions on Magnetics  (Volume:31 ,  Issue: 6 )