A Study of Class I Partial Response Signaling for Magnetic Recording ¤

  title={A Study of Class I Partial Response Signaling for Magnetic Recording ¤},
  author={William E. Ryan and Bahjat Zafer},
Using a semianalytic technique based on the work of Agazzi and Seshadri, we compare the performance of PR1, PR4, and EPR4 partial response schemes on a magnetic recording channel. The technique includes the effect of imperfect equalization and, in the PR4 case, the effect of employing two interleaved Viterbi detectors. Assuming the Lorentzian channel model and superposition, we use this technique to compare these signaling schemes at medium and high recording densities. It is observed that… CONTINUE READING
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