Constructive inter-track interference (CITI) codes for perpendicular magnetic recording

Ahmed, Mohammed; Davey, Paul; Kurihara, Y.

doi:10.1016/j.jmmm.2004.10.072

Cited by 6 publications

(1 citation statement)

References 13 publications

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“…Constructive inter-track interference (CITI) codes based on readback level have been investigated not to have the transitions which give readback pulses of opposite polarity from adjacent tracks in the perpendicular magnetic recording (PMR) channel with a differentiator [1]. Because it is however impossible to design such CITI codes for the PMR channel without a differentiator, CITI codes based on equalized level were also investigated [2].…”

Section: Introductionmentioning

confidence: 99%

Constructive ITI-coded PRML system based on a two-track model for perpendicular magnetic recording

Kurihara

Takeda

Takaishi

et al. 2008

Journal of Magnetism and Magnetic Materials

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Section: Introductionmentioning

confidence: 99%

Constructive ITI-coded PRML system based on a two-track model for perpendicular magnetic recording

Kurihara

Takeda

Takaishi

et al. 2008

Journal of Magnetism and Magnetic Materials

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A simple 2D modulation code in single-reader two-track reading BPMR systems

Busyatras

Warisarn

Koonkarnkhai

et al. 2021

Digital Communications and Networks

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Physics considerations in the design of three-dimensional and multilevel magnetic recording

Khizroev

Hijazi

Amos

et al. 2006

Journal of Applied Physics

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The purpose of this paper is to explore three-dimensional magnetic recording as a next generation recording technology. To defer the superparamagnetic limit in magnetic recording substantially beyond the 1Tbit∕in.2 mark, it is proposed to stack magnetic bits in a third (vertical) dimension. The vertical stacking underlies the concept of three-dimensional (3D) magnetic memory and recording—the primary subject of this paper. A clear distinction between absolute 3D memory and its trivial multilevel implementation is drawn. The paper focuses on the study of the media design and write and read processes. To minimize the intersymbol interference and improve stability, it is proposed to pattern the recording media in all three dimensions. Basic Co∕Pd-based 3D recording media necessary for this study are fabricated using cosputter deposition. Focused-ion-beam-based fabrication is used to pattern the recording media into nanoscale bit cells. The physics of 3D magnetic recording is also investigated theoretically with Landau-Lifshits-Gilbert-based micromagnetic modeling. The ultimate goal of this paper is to help understand the physics of 3D and multilevel magnetic recordings and trigger wide interest in the studied concept.

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Constructive inter-track interference (CITI) codes for perpendicular magnetic recording

Cited by 6 publications

References 13 publications

Constructive ITI-coded PRML system based on a two-track model for perpendicular magnetic recording

Constructive ITI-coded PRML system based on a two-track model for perpendicular magnetic recording

A simple 2D modulation code in single-reader two-track reading BPMR systems

Physics considerations in the design of three-dimensional and multilevel magnetic recording

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