Results 31 to 40 of about 76 (59)

Advances in Modeling and Signal Processing for Bit-Patterned Magnetic Recording Channels with Written-In Errors [PDF]

, 2012
In the past perpendicular magnetic recording on continuous media has served as the storage mechanism for the hard-disk drive (HDD) industry, allowing for growth in areal densities approaching 0.5 Tb/in2. Under the current system design, further increases
Keele, Rodney
core  

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

ADVANCED SIGNAL PROCESSING FOR MAGNETIC RECORDING ON PERPENDICULARLY MAGNETIZED MEDIA [PDF]

, 2010
In magnetic recording channels (MRCs) the readback signal is corrupted by many kinds of impairments, such as electronic noise, media noise, intersymbol interference (ISI), inter-track interference (ITI) and different types of erasures.
CHANG, WU
core  

Optimized LDPC Matrices: Reducing and Redistributing 1 bits for Enhanced MAP Detection in Bit-Patterned Media Recording Systems

IEEE Access
Bit-patterned media recording (BPMR) is increasingly recognized as a leading technology for next-generation storage systems due to its potential for achieving extremely high area density. In BPMR, data is stored on discrete magnetic islands arranged in a
Thien An Nguyen, Jaejin Lee, Jong-Ho Lee
doaj   +1 more source

Coding and signal processing for high density granular magnetic recording systems

, 2016
The Hard Disk Drive (HDD) industry has, in recent years, struggled with attempting to attain continual growth in storage capacity to meet the needs of a rapidly growing storage demand in the information age. Conventional Perpendicular Magnetic Recording (
Sari Shafidah Shafi'ee
core   +1 more source

Enhancing Signal Processing Capability with Tabu Search Algorithm Utilization for Rate-4/5 Modulation Coded Bit-Patterned Magnetic Recording

Applied Sciences
To meet the growing demand for higher storage capacities, bit-patterned magnetic recording (BPMR) has emerged as a leading solution for achieving ultra-high user densities (UDs).
Mutita Mattayakan, Chanon Warisarn, Jaejin Lee, Kittipon Kankhunthod   +3 more
doaj   +1 more source

Two-Dimensional 15/24 Non-Isolated Patterned Modulation Codes With Minimum Hamming Distance 3 in Bit-Patterned Media Recording

IEEE Access
Reducing the distance between magnetic islands is essential for increasing the areal density in bit-patterned media recording (BPMR). Consequently, significant two-dimensional (2D) interference emerges, encompassing inter-symbol interference (ISI) and ...
Thien An Nguyen, Jaejin Lee
doaj   +1 more source

Graph Neural Network (GNN) for Joint Detection–Decoder MAP–LDPC in Bit-Patterned Media Recording Systems

With its high area density, bit-patterned media recording (BPMR) is emerging as a leading technology for next-generation storage systems. However, as area density increases, magnetic islands are positioned closer together, causing significant two ...
Thien An Nguyen, Jaejin Lee
core   +1 more source

Coding and Signal Processing Techniques for High Efficiency Data Storage and Transmission Systems

, 2013
Generally speaking, a communication channel refers to a medium through which an information-bearing signal is corrupted by noise and distortion. A communication channel may result from data storage over time or data transmission through space.
Pan, Lu
core  

Effects of SiO₂ content on the nanomechanical properties of CoCrPt-SiO₂ granular films. [PDF]

Sci Rep, 2019
Zhang Y, Shakil A, Wang H, Li X, Tang H, Polycarpou AA.   +5 more
europepmc   +1 more source