Journal
IEEE TRANSACTIONS ON MAGNETICS
Volume 57, Issue 3, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2020.3027015
Keywords
2-D equalizer; array-reader-based magnetic recording (ARMR); hard disk drives (HDDs); interlaced magnetic recording (IMR); magnetic recording
Funding
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [2017R1D1A1B03034987]
- GIST Research Institute (GRI) - GIST
- National Research Foundation of Korea [2017R1D1A1B03034987] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This study proposes a novel joint multi-track multi-level (MTML) read channel signal processing scheme to enhance data transfer rate in array-reader-based interlaced magnetic recording (ARIMR). Numerical evaluations using a micro-pixelated magnetic channel model show improvements in the cross-track profile of bit error rate with the proposed MTML-ARIMR approach for dual-reader and triple-track readback configurations.
In this study, a novel joint multi-track multi-level (MTML) read channel signal processing scheme is proposed to enhance the data transfer rate in an array-reader-based interlaced magnetic recording (ARIMR). Wide individual readers capture mixtures of multiple track contributions and proposed MTML read channel effectively disaggregates individual track data for joint track data retrieval in a single revolution. Numerical evaluations with the micro-pixelated magnetic channel model shows improvements of the cross-track profile of bit error rate with the proposed MTML-ARIMR approach for a dual-reader and triple-track readback configuration.
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