Bit-Patterned Media With Written-In Errors: Modeling, Detection, and Theoretical Limits

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...

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Veröffentlicht in:	IEEE transactions on magnetics 2007-08, Vol.43 (8), p.3517-3524
Hauptverfasser:	Jun Hu, Duman, T.M., Kurtas, E.M., Erden, M.F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Achievable information rates Algorithms bit-patterned media Channels Computer errors Cross-disciplinary physics: materials science rheology Detection algorithms Error analysis Error detection Error probability Exact sciences and technology Information rates Intersymbol interference intersymbol interference (ISI) Magnetic heads Magnetism Materials science Mathematical model maximum a posteriori (MAP) detection Media Other topics in materials science Performance assessment Physics Recording Signal processing algorithms Time measurements Timing Writing written-in errors
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