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Opposite Partial Response Filter for Shingled Magnetic Recording Systems

Nguyen, Dinh Chi and Nguyen, Thu Phuong and Lam, Sinh Cong (2020) Opposite Partial Response Filter for Shingled Magnetic Recording Systems. IEEE Magnetics Letters, 11 . pp. 1-4. ISSN 1949-307X

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Abstract

Shingled magnetic recording (SMR) is regarded as the most influential technology for the next-generation magnetic recording systems. The SMR tracks are partly overlapped by each other, and the SMR systems can obtain higher area densities by increasing track per inch density. As a result, this brings more interference from the adjacent sidetracks, i.e., intertrack interference (ITI) while reading the home track. In this letter, we are interested in applying the filtering process to the squeezed tracks before recording to improve the quality of retrieved data. The preprocessing is to reduce the effect of unwanted signals from the sidetracks on the home track. The results show that the SMR system's performance is vastly improved even under the extremely severe effects of the ITI.

Item Type: Article
Uncontrolled Keywords: Histograms;Target tracking;Media;Equalizers;Interference;Information storage;shingled magnetic recording;partial-response maximum likelihood;intertrack interference
Subjects: Electronics and Communications > Communications
Electronics and Communications
Electronics and Communications > Electronics and Computer Engineering
Scopus-indexed journals
ISI-indexed journals
Divisions: Faculty of Electronics and Telecommunications (FET)
Depositing User: Dr Sinh Cong Lam
Date Deposited: 14 Sep 2020 02:51
Last Modified: 14 Sep 2020 02:51
URI: http://eprints.uet.vnu.edu.vn/eprints/id/eprint/4056

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