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An error rate improvement of decision feedback equalization by extraordinary level detection

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1 Author(s)
M. Umemoto ; Central Res. Lab., Hitachi Ltd., Tokyo, Japan

Decision feedback equalization, which uses extraordinary level detection (Ex-DFE), with two feedback loops in parallel, is a detection technique which achieves not only significant error rate improvements but also detecting performance of burst-errors. As extraordinary level detection does not use any constraint on channel codes, Ex-DFE is effective for both runlength limited codes with minimum runlength parameters d=0 and d=1. The simple implementation, which contains no high-accuracy A/D convertor or Viterbi detector, is suggested

Published in:

IEEE Transactions on Magnetics  (Volume:34 ,  Issue: 4 )