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Article: Magnetoresistive read/write channel models

TitleMagnetoresistive read/write channel models
Authors
KeywordsChannel Models
Magnetoresistive Channels
Nonlinear Channels
Volterra Models
Issue Date1999
PublisherIEEE
Citation
IEEE Transactions on Magnetics, 1999, v. 35 n. 6, p. 4528-4531 How to Cite?
AbstractWe studied the magnetic read/write channel with a magnetoresistive (MR) read head at a normalized channel density range of 2.5-3.0, observing and modeling partial erasure and nonlinear transition shift. The asymmetry of the MR head had a significant effect on the channel. We applied the transition-width-reduction model, the partial-erasure-plus-transition-shift model, and the Volterra model to the MR read/write channel, and evaluated the accuracy of these models on the basis of parameters obtained from experimental data. In order to consider the asymmetry of the MR head, we introduced a nonlinear MR head model into the read/write channel. These modified models achieved higher accuracy. Of all the models considered, the Volterra model provides the largest improvement over the linear model. © 1999 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/90873
ISSN
2015 Impact Factor: 1.277
2015 SCImago Journal Rankings: 0.602
References

 

DC FieldValueLanguage
dc.contributor.authorLin, Ben_HK
dc.contributor.authorHild, KEen_HK
dc.contributor.authorCruz, JRen_HK
dc.date.accessioned2010-09-17T10:09:39Z-
dc.date.available2010-09-17T10:09:39Z-
dc.date.issued1999en_HK
dc.identifier.citationIEEE Transactions on Magnetics, 1999, v. 35 n. 6, p. 4528-4531en_HK
dc.identifier.issn0018-9464en_HK
dc.identifier.urihttp://hdl.handle.net/10722/90873-
dc.description.abstractWe studied the magnetic read/write channel with a magnetoresistive (MR) read head at a normalized channel density range of 2.5-3.0, observing and modeling partial erasure and nonlinear transition shift. The asymmetry of the MR head had a significant effect on the channel. We applied the transition-width-reduction model, the partial-erasure-plus-transition-shift model, and the Volterra model to the MR read/write channel, and evaluated the accuracy of these models on the basis of parameters obtained from experimental data. In order to consider the asymmetry of the MR head, we introduced a nonlinear MR head model into the read/write channel. These modified models achieved higher accuracy. Of all the models considered, the Volterra model provides the largest improvement over the linear model. © 1999 IEEE.en_HK
dc.languageengen_HK
dc.publisherIEEEen_HK
dc.relation.ispartofIEEE Transactions on Magneticsen_HK
dc.subjectChannel Modelsen_HK
dc.subjectMagnetoresistive Channelsen_HK
dc.subjectNonlinear Channelsen_HK
dc.subjectVolterra Modelsen_HK
dc.titleMagnetoresistive read/write channel modelsen_HK
dc.typeArticleen_HK
dc.identifier.emailLin, B:blin@hku.hken_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0033220892en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0033220892&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume35en_HK
dc.identifier.issue6en_HK
dc.identifier.spage4528en_HK
dc.identifier.epage4531en_HK

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