An ITI-mitigating 5/6 modulation code for bit-patterned media recording

C Warisarn, A Arrayangkool… - IEICE Transactions on …, 2015 - search.ieice.org
In bit-patterned media recording (BPMR), the readback signal is severely corrupted by the
inter-symbol interference (ISI) and inter-track interference (ITI), especially at high recording …

A rate-8/9 2-D modulation code for bit-patterned media recording

P Kovintavewat, A Arrayangkool… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
The 2-D interference consisting of intersymbol and intertrack interferences is a major
impairment in bit-patterned media recording (BPMR), especially at high-areal density (AD) …

A two-dimensional coding design for staggered islands bit-patterned media recording

A Arrayangkool, C Warisarn - Journal of Applied Physics, 2015 - pubs.aip.org
This paper proposes a two dimensional (2D) staggered recorded-bit patterning (SRBP)
coding scheme for staggered array bit-patterned media recording channel to alleviate the …

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

W Busyatras, C Warisarn, S Koonkarnkhai… - Digital Communications …, 2021 - Elsevier
A reduction in the track width of magnetic recording systems results in a welcome increase
in Areal Density (AD), but can severely deteriorate system performance in the unfortunate …

A TMR mitigation method based on readback signal in bit-patterned media recording

W Busyatras, C Warisarn, LMM Myint… - IEICE Transactions …, 2015 - search.ieice.org
Track mis-registration (TMR) is one of the major problems in high-density magnetic
recording systems such as bit-patterned media recording (BPMR). In general, TMR results …

A simple inter-track interference subtraction technique in bit-patterned media recording (BPMR) systems

C Buajong, C Warisarn - IEICE Transactions on Electronics, 2018 - search.ieice.org
In this paper, we demonstrate how to subtract the intertrack interference (ITI) before the
decoding process in multi-track multi-head bit-patterned media recording (BPMR) system …

Modified 2D Viterbi algorithm using 2D modulation encoding constraints in BPMR systems

S Sokjabok, C Warisarn… - 2020 17th …, 2020 - ieeexplore.ieee.org
The severity of inter-symbol interference (ISI) and inter-track interference (ITI) effects caused
by the reduction of the spacing between bit islands in the along-and across-track directions …

An improvement of BER using two-dimensional constrained code for array-reader-based magnetic recording

S Sokjabok, S Koonkarnkhai, J Lee… - AEU-International Journal …, 2021 - Elsevier
To achieve ultra-high areal densities in future magnetic recording technologies such as bit-
patterned magnetic recording (BPMR) systems, each bit-island must be closely moved …

Soft-output decoding approach of 2D modulation codes in bit-patterned media recording systems

C Warisarn, P Kovintavewat - IEICE Transactions on Electronics, 2015 - search.ieice.org
The two-dimensional (2D) interference is one of the major impairments in bit-patterned
media recording (BPMR) systems due to small bit and track pitches, especially at high …

Technology of FinFET for high RF and analog/mixed-signal performance circuits

T Ohguro, S Inaba, A Kaneko… - IEICE Transactions on …, 2015 - search.ieice.org
In this paper, we discuss the process, layout and device technologies of FinFET to obtain
high RF and analog/mixed-signal performance circuits. The fin patterning due to Side-wall …