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    Signal Processing and Coding Techniques for 2-D Magnetic Recording: An Overview

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    Name:
    Signal_Processing_and_Coding_T ...
    Size:
    4.421Mb
    Format:
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    Description:
    Final Accepted Manuscript
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    Author
    Garani, Shayan Srinivasa
    Dolecek, Lara
    Barry, John
    Sala, Frederic
    Vasic, Bane
    Affiliation
    Univ Arizona, Dept Elect & Comp Engn
    Issue Date
    2018-02
    Keywords
    2-D intersymbol interference channels
    2-D signal processing
    coding techniques
    magnetic storage
    read write channels
    systems architecture
    
    Metadata
    Show full item record
    Publisher
    IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
    Citation
    S. S. Garani, L. Dolecek, J. Barry, F. Sala and B. Vasić, "Signal Processing and Coding Techniques for 2-D Magnetic Recording: An Overview," in Proceedings of the IEEE, vol. 106, no. 2, pp. 286-318, Feb. 2018. doi: 10.1109/JPROC.2018.2795961
    Journal
    PROCEEDINGS OF THE IEEE
    Rights
    Copyright © 2018, IEEE
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    Two-dimensional magnetic recording (TDMR) is an emerging storage technology that aims to achieve areal densities on the order of 10 Tb/in 2, mainly driven by innovative channels engineering with minimal changes to existing head/ media designs within a systems framework. Significant additive areal density gains can be achieved by using TDMR over bit patterned media (BPM) and energy-assisted magnetic recording (EAMR). In TDMR, the sectors are inherently 2-D with reduced track pitch and bit widths, leading to severe 2-D intersymbol interference (ISI). This necessitates the development of powerful 2-D signal processing and coding algorithms for mitigating 2-D ISI, timing artifacts, jitter, and electronics noise resulting from irregular media grain positions and read-head electronics. The algorithms have to be eventually realized within a read/write channel architecture as a part of a system-on-chip (SoC) within the disk controller system. In this work, we provide a wide overview of TDMR technology, channel models and capacity, signal processing algorithms (detection and timing recovery), and error-correcting codes attuned to 2-D channels. The innovations and advances described not only make TDMR a promising future technology, but may serve a broader engineering audience as well.
    ISSN
    0018-9219
    1558-2256
    DOI
    10.1109/JPROC.2018.2795961
    Version
    Final accepted manuscript
    Sponsors
    IUSSTF under the Indo-U.S. Joint R&D Network Joint Centre on Data Storage Research Award; DST [SB/S3/EECE/0056/2013]; National Science Foundation (NSF) [CCF-0963726, CCF-1314147, ECCS-1500170]; NSF CAREER award; IDEMA ASTC
    Additional Links
    http://ieeexplore.ieee.org/document/8290590/
    ae974a485f413a2113503eed53cd6c53
    10.1109/JPROC.2018.2795961
    Scopus Count
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