Bit-patterned media with written-in errors

Modeling, detection, and theoretical limits

Jun Hu, Tolga M. Duman, Erozan M. Kurtas, M. Fatih Erden

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

We report a study of bit-patterned media recording channels containing written-in errors. From a signal processing point of view, we consider an abstract model for the overall recording channel, incorporating errors caused by timing and write ability. Based on the resulting channel model, we develop various trellis structures, and propose several detection algorithms that can be used to recover the recorded data. Furthermore, we investigate achievable information rates for patterned media recording systems with different levels of written-in error probability, providing an information theoretical performance assessment for such systems.

Original languageEnglish (US)
Pages (from-to)3517-3524
Number of pages8
JournalIEEE Transactions on Magnetics
Volume43
Issue number8
DOIs
StatePublished - Aug 2007

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recording
Signal processing
signal processing
time measurement
Error probability

Keywords

  • Achievable information rates
  • Bit-patterned media
  • Intersymbol interference (ISI)
  • Maximum a posteriori (MAP) detection
  • Written-in errors

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Physics and Astronomy (miscellaneous)

Cite this

Bit-patterned media with written-in errors : Modeling, detection, and theoretical limits. / Hu, Jun; Duman, Tolga M.; Kurtas, Erozan M.; Fatih Erden, M.

In: IEEE Transactions on Magnetics, Vol. 43, No. 8, 08.2007, p. 3517-3524.

Research output: Contribution to journalArticle

Hu, Jun ; Duman, Tolga M. ; Kurtas, Erozan M. ; Fatih Erden, M. / Bit-patterned media with written-in errors : Modeling, detection, and theoretical limits. In: IEEE Transactions on Magnetics. 2007 ; Vol. 43, No. 8. pp. 3517-3524.
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