NDLI: Generalized partial-response targets for perpendicular recording with jitter noise

Content Provider	IEEE Xplore Digital Library
Author	Kovintavewat, P. Ozgunes, I. Kurtas, E. Barry, J.R. McLaughlin, S.W.
Copyright Year	1965
Abstract	In this paper, we propose new generalized partial-response (GPR) targets for perpendicular recording whose transition response is modeled as an error function and compare their performance with the partial-response (PR) targets both in the presence and absence of jitter noise. Regardless of any jitter noise amount, results indicate that the GPR targets outperform the PR targets, especially at high linear-recording densities. We also determine that the dominant error sequence for this perpendicular recording is the same for all targets when jitter noise is low. Therefore, the system performance can be further improved by designing and using codes to avoid this dominant error sequence. Another significant point is the fact that the dominant error sequence of perpendicular recording is different from longitudinal recording, thus requiring design of different types of codes than the ones used for longitudinal recording. Finally, we show that the effective signal-to-noise ratio can be equivalently used instead of the bit-error-rate as a measure to compare the performance of different targets.
Sponsorship	IEEE Magnetics Society
Starting Page	2340
Ending Page	2342
Page Count	3
File Size	225116
File Format	PDF
ISSN	00189464
Volume Number	38
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Perpendicular magnetic recording Jitter Ground penetrating radar Equalizers Bit error rate Signal to noise ratio Computational modeling System performance Low-frequency noise Frequency
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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