Results 21 to 30 of about 60 (51)

Iterative decoding of SOVA and LDPC product code for bit-patterned media recoding

AIP Advances, 2018
The demand for high-density storage systems has increased due to the exponential growth of data. Bit-patterned media recording (BPMR) is one of the promising technologies to achieve the density of 1Tbit/in2 and higher.
Seongkwon Jeong, Jaejin Lee
doaj   +1 more source

A Novel Structure and Detection for Double-Layer Bit-Patterned Media Recording

IEEE Access
With the rapid growth of data volumes, the demand for high-capacity storage systems continues to rise. To address this challenge, double-layer bit-patterned media recording (DLBPMR), a combination of double-layer magnetic recording (DLMR) and bit ...
Thien An Nguyen, Oh-Soon Shin, Jaejin Lee   +2 more
doaj   +1 more source

A Novel ITI Suppression Technique for Coded Dual-Track Dual-Head Bit-Patterned Magnetic Recording Systems

IEEE Access, 2020
Generally, an intertrack interference (ITI) is a critical problem in bit-patterned magnetic recording (BPMR) systems that can attain an areal density (AD) up to 4 Tb/in2.
Santi Koonkarnkhai, Chanon Warisarn, Piya Kovintavewat   +2 more
doaj   +1 more source

Bit-island arrangement and signal processing in double-layer magnetic recording technology

AIP Advances
The escalating demand for high-density storage of hard disk drives has prompted the innovation of advanced technologies to significantly boost an areal density (AD). Among these, three-dimensional magnetic recording systems incorporating double recording
V. Sawangarom, C. Buajong, K. Kankhunthod, C. Warisarn   +3 more
doaj   +1 more source

Recording media configurations for double-layered bit-patterned magnetic recording

AIP Advances
The current magnetic recording technology is approaching its recording density limit. Recently, concepts focused on vertically stacking multiple recording media have gained momentum, driven by the potential to significantly expand recording density.
Chaiwat Buajong, Chanon Warisarn
doaj   +1 more source

Single-Track equalization method with TMR correction system based on cross correlation functions for a patterned media recording system

Engineering and Applied Science Research, 2017
Bit-patterned media recording (BPMR) is a promising technology for ultra-high density media, however, there are some challenges that need to be addressed including two-dimensional (2D) interference, and track mis-registration (TMR).
Lin Min Min Myint, Chanon Warisarn, Wiparat Busyatras, Piya Kovintavewat   +3 more
doaj   +1 more source

Signal Processing Techniques for Enhancing an Areal Density in Two-Reader/Three-Track Detection of Staggered Bit-Patterned Magnetic Recording Systems

Applied System Innovation
As the demand for digital storage capacity continues to grow, bit-patterned magnetic recording (BPMR) has emerged as a promising technology to overcome the superparamagnetic limit of conventional recording methods.
Natthakan Rueangnetr, Satra Tor. Wattanaphol, Kittipon Kankhunthod, Simon J. Greaves, Chanon Warisarn   +4 more
doaj   +1 more source

Utilization of multiple read heads for TMR prediction and correction in bit-patterned media recording

AIP Advances, 2017
This paper proposes a utilization of multiple read heads to predict and correct a track mis-registration (TMR) in bit-patterned media recording (BPMR) based on the readback signals.
W. Busyatras, C. Warisarn, Y. Okamoto, Y. Nakamura, L. M. M. Myint, P. Supnithi, P. Kovintavewat   +6 more
doaj   +1 more source

MAP Detection for Double-Layer Bit-Patterned Media Recording

Applied Sciences
The rapid increase in global data generation has intensified the demand for magnetic storage systems with substantially higher areal density. Double-layer bit-patterned media recording (DLBPMR), which integrates the benefits of bit-patterned media ...
Thien An Nguyen, Jaejin Lee
doaj   +1 more source

Inter-track interference mitigation with two-dimensional variable equalizer for bit patterned media recording

AIP Advances, 2017
The increased track density in bit patterned media recording (BPMR) causes increased inter-track interference (ITI), which degrades the bit error rate (BER) performance.
Yao Wang, B. V. K. Vijaya Kumar
doaj   +1 more source