Pattern constraints limiting nonlinear transition shift in high density magnetic recording

Y Jian, K Luo, W Li, V Lomakin, J Chen, P Lu - Journal of Magnetism and …, 2023 - Elsevier
Nonlinear transition shift (NLTS) produced by the interaction between transitions is a major
source of distortions in magnetic recording. NLTS must be reduced to realize higher density …

2-D write/read channel model for bit-patterned media recording with large media noise

Y Wang, J Yao, BVKV Kumar - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
A 2-D write/read channel model, which can accurately capture the media, writer, and reader
characteristics, is proposed and investigated for very-high-density bit-patterned media …

A graded precompensation scheme by pattern classification on nonlinear transition shift for perpendicular magnetic recording

K Luo, Y Jian, Y Liao, K Zhang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
To achieve higher magnetic recording areal densities, signal distortions caused by the
crosstalk among consecutive magnetized transitions that lead to nonlinear transition shifts …

Tuning coercive force by adjusting electric potential in solution processed Co/Pt (111) and the mechanism involved

CHT Chang, WH Kuo, YC Chang, JS Tsay, SL Yau - Scientific reports, 2017 - nature.com
A combination of a solution process and the control of the electric potential for magnetism
represents a new approach to operating spintronic devices with a highly controlled efficiency …

Micromagnetics-based analysis of multi-track detection with simplified 2-D write precompensation on shingled magnetic recording

Y Wang, BVKV Kumar - IEEE Transactions on Magnetics, 2016 - ieeexplore.ieee.org
In shingled magnetic recording systems, a shingled writer is used to write narrow tracks by
overlapping the previous tracks, which also leads to severe inter-track interference, jitter …

2-D data-dependent media noise in shingled magnetic recording

Y Wang, RH Victora… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
This paper investigates 2-D media noise in shingled magnetic recording (SMR) systems.
The media noises caused by the overwriting of the next track and the residual information …

Fuzzy logic‐based adaptive equaliser for non‐linear perpendicular magnetic recording channels

R Wongsathan, P Supnithi - IET Communications, 2019 - Wiley Online Library
This paper proposes the fuzzy logic equaliser (FLE) for the detection of non‐linear
perpendicular magnetic recording (PMR) channels. The multi‐objective genetic algorithm …

Writer Performance Optimization with Shingled Rounded Corner and Exchange Coupled Composite Media

G Xie, Y Wu - Crystals, 2022 - mdpi.com
The shingled magnetic recording (SMR) with exchange coupled composite (ECC) media is
a feasible method to achieve the areal density of multi-Tera-bit/in2. However, a rounded …

The performance of neuro-fuzzy detection on nonlinear magnetic recording channels

R Wongsathan, P Supnithi - 2019 34th International Technical …, 2019 - ieeexplore.ieee.org
This work proposes the nonlinear detection scheme using an adaptive neuro-fuzzy
equalizer (NFE) for the nonlinear perpendicular magnetic recording (PMR) channels. Based …

[PDF][PDF] Optimal Neuro-Fuzzy Equalizers for Detecting Nonlinear Distortion Channels of the Perpendicular Magnetic Recording System

R Wongsathan, P Supnithi - ECTI Transactions on Electrical …, 2021 - scholar.archive.org
Nonlinear distortions caused by partial erasure and nonlinear transition shifts interacting
with inter-symbol interference, are a major hindrance to data storage systems, since they …